Add WebGPU SPIR-V Assembler in JavaScript. (#2876) This CL adds a simple JavaScript library which will assemble SPIR-V Assembly compatable with WebGPU.

commit: 605c2e3c0ea7cab09c6cc3bc2a48030ba78d3a03 [log] [tgz]
author: dan sinclair <dsinclair@google.com> Wed Sep 18 18:11:10 2019 -0400
committer: GitHub <noreply@github.com> Wed Sep 18 18:11:10 2019 -0400
tree: 318108573518edf48574cf284276bc71151d8841
parent: acf20302cf923d436a6a2889beda6c069a29caba [diff]
diff --git a/tools/sva/.eslintrc.json b/tools/sva/.eslintrc.json
new file mode 100644
index 0000000..2f07726
--- /dev/null
+++ b/tools/sva/.eslintrc.json

@@ -0,0 +1,25 @@
+{
+    "env": {
+        "browser": true,
+        "es6": true,
+        "node": true,
+        "mocha": true
+    },
+    "extends": "eslint:recommended",
+    "parserOptions": {
+        "ecmaVersion": 2018,
+        "sourceType": "module"
+    },
+    "rules": {
+        "block-scoped-var": "error",
+        "consistent-return": "error",
+        "eqeqeq": ["error", "always"],
+        "indent": [ "error", 2 ],
+        "linebreak-style": [ "error", "unix" ],
+        "no-eval": "error",
+        "no-shadow": "error",
+        "no-shadow-restricted-names": "error",
+        "quotes": [ "error", "double" ],
+        "semi": [ "error", "always" ]
+    }
+}

diff --git a/tools/sva/.gitignore b/tools/sva/.gitignore
new file mode 100644
index 0000000..88e64c3
--- /dev/null
+++ b/tools/sva/.gitignore

@@ -0,0 +1,6 @@
+.DS_Store
+node_modules
+third_party/spirv-headers
+o.sva
+build
+yarn-error.log

diff --git a/tools/sva/README.md b/tools/sva/README.md
new file mode 100644
index 0000000..d80b4d2
--- /dev/null
+++ b/tools/sva/README.md

@@ -0,0 +1,41 @@
+# SVA
+
+SPIR-V Assember for WebGPU. The SPIR-V Assembler is a JavaScript library to
+convert SPIR-V assembly (as produced by spirv-dis in SPIR-V Tools) into a
+SPIR-V binary. The assembler assumes it is generating WebGPU SPIR-V and thus has
+the following limitations.
+
+ * Only 32 bit integers and floats supported
+ * Only GLSL accepted as an extended instruction set
+ * Doesn't support ! syntax for integers
+ * Doesn't support hex encoding for float
+
+```shell
+yarn install
+yarn test
+```
+
+You can also use `yarn watch` to watch all of the files and re-run tests as
+needed.
+
+## Webserver
+Using `yarn serve` will start a webserver on localhost:5000. If you load the
+`tests/index.html` file this will load the SVA files into browser.
+
+## Command Line
+There is a simple assembler binary with can be executed from the command line.
+
+```shell
+yarn sva tests/simple.spv_asm
+```
+
+The above will generate a `o.sva` file in the current directory.
+
+## Update spirv.data.json
+
+If there is a new spirv-headers release update the externals folder checkout
+and then:
+
+```shell
+./tools/process_grammar.rb > src/spirv.data.json
+```

diff --git a/tools/sva/bin/sva.js b/tools/sva/bin/sva.js
new file mode 100755
index 0000000..e2448d6
--- /dev/null
+++ b/tools/sva/bin/sva.js

@@ -0,0 +1,32 @@
+#!/usr/bin/env node
+//
+// Copyright 2019 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+"use strict";
+
+const fs = require("fs");
+
+import SVA from "../src/sva.js";
+
+let input = fs.readFileSync(process.argv[2], "utf-8");
+let u = SVA.assemble(input);
+
+if (typeof u === "string") {
+  console.log(u);
+} else {
+  fs.writeFileSync("o.sva", new Buffer(u.buffer), (err) => {
+    console.log(["ERROR", err]);
+  });
+}

diff --git a/tools/sva/mocha.opts b/tools/sva/mocha.opts
new file mode 100644
index 0000000..4a52320
--- /dev/null
+++ b/tools/sva/mocha.opts

@@ -0,0 +1 @@
+--recursive

diff --git a/tools/sva/package.json b/tools/sva/package.json
new file mode 100644
index 0000000..3072d4c
--- /dev/null
+++ b/tools/sva/package.json

@@ -0,0 +1,25 @@
+{
+  "name": "sva",
+  "version": "0.1.0",
+  "description": "SPIR-V Assembler",
+  "main": "index.js",
+  "author": "dan sinclair <dsinclair@google.com>",
+  "license": "Apache-2.0",
+  "private": true,
+  "scripts": {
+    "sva": "node -r esm bin/sva.js",
+    "lint": "eslint --fix --ext .js .",
+    "test": "mocha --require esm src/**/*_test.js",
+    "watch": "mocha --require esm --watch --watch-extension js \"src/**/*_test.js\"",
+    "serve": "serve",
+    "bundle": "rollup -c"
+  },
+  "devDependencies": {
+    "chai": "^4.2.0",
+    "eslint": "^6.3.0",
+    "esm": "^3.2.25",
+    "mocha": "^6.2.0",
+    "rollup": "^1.21.4",
+    "serve": "^11.1.0"
+  }
+}

diff --git a/tools/sva/rollup.config.js b/tools/sva/rollup.config.js
new file mode 100644
index 0000000..2056e16
--- /dev/null
+++ b/tools/sva/rollup.config.js

@@ -0,0 +1,7 @@
+export default {
+  input: 'src/sva.js',
+  output: {
+    file: 'build/sva.js',
+    format: 'esm',
+  }
+}

diff --git a/tools/sva/src/assembler.js b/tools/sva/src/assembler.js
new file mode 100644
index 0000000..7bc208e
--- /dev/null
+++ b/tools/sva/src/assembler.js

@@ -0,0 +1,98 @@
+// Copyright 2019 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+export default class Assembler {
+  static get GENERATOR_ID() { return 0; }
+
+  /**
+   * @param {AST} the AST to build the SPIR-V from
+   */
+  constructor(ast) {
+    this.ast_ = ast;
+  }
+
+  /**
+   * Assembles the AST into binary SPIR-V.
+   * @return {Uint32Array} The SPIR-V binary data.
+   */
+  assemble() {
+    let total_size = 5;
+    for (const inst of this.ast_.instructions()) {
+      total_size += 1;
+      for (const op of inst.operands()) {
+        total_size += op.length();
+      }
+    }
+
+    let u = new Uint32Array(total_size);
+    u[0] = 0x07230203;  // Magic
+    u[1] = 0x00010500;  // Version 1.5
+    u[2] = Assembler.GENERATOR_ID;  // Generator magic number
+    u[3] = this.ast_.getIdBounds();  // ID bounds
+    u[4] = 0;  // Reserved
+
+    let idx = 5;
+    for (const inst of this.ast_.instructions()) {
+      let op_size = 1;
+      for (const op of inst.operands()) {
+        op_size += op.length();
+      }
+
+      u[idx++] = op_size << 16 | inst.opcode();
+      for (const op of inst.operands()) {
+        idx = this.processOp(u, idx, op);
+      }
+    }
+
+    return u;
+  }
+
+  processOp(u, idx, op) {
+    if (op.type() === "string") {
+      let len = 0;
+      let v = 0;
+      for (const ch of op.value()) {
+        v = v | (ch.charCodeAt(0) << (len * 8));
+        len += 1;
+
+        if (len === 4) {
+          u[idx++] = v;
+          len = 0;
+          v = 0;
+        }
+      }
+      // Make sure either the terminating 0 byte is written or the last
+      // partial word is written.
+      u[idx++] = v;
+
+    } else if (op.type() === "float") {
+      // TODO(dsinclair): Handle 64 bit floats ...
+      let b = new ArrayBuffer(4);
+      let f = new Float32Array(b);
+      f[0] = op.value();
+
+      let u2 = new Uint32Array(b);
+
+      u[idx++] = u2[0];
+    } else {
+      u[idx++] = op.value();
+    }
+
+    for (const param of op.params()) {
+      idx = this.processOp(u, idx, param);
+    }
+
+    return idx;
+  }
+}

diff --git a/tools/sva/src/assembler_test.js b/tools/sva/src/assembler_test.js
new file mode 100644
index 0000000..a23d211
--- /dev/null
+++ b/tools/sva/src/assembler_test.js

@@ -0,0 +1,165 @@
+// Copyright 2019 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { assert } from "chai";
+import Lexer from "./lexer";
+import Parser from "./parser";
+import grammar from "./spirv.data.js";
+import Assembler from "./assembler";
+
+describe("assembler", () => {
+  it("generates SPIR-V magic number", () => {
+    let input = `; SPIR-V
+; Version: 1.0
+; Generator: Khronos Glslang Reference Front End; 7
+; Bound: 6
+; Schema: 0
+               OpCapability Shader
+          %1 = OpExtInstImport "GLSL.std.450"
+               OpMemoryModel Logical GLSL450
+               OpEntryPoint Fragment %main "main"
+               OpExecutionMode %main OriginUpperLeft
+               OpSource GLSL 440
+               OpName %main "main"
+       %void = OpTypeVoid
+          %3 = OpTypeFunction %void
+       %main = OpFunction %void None %3
+          %5 = OpLabel
+               OpReturn
+               OpFunctionEnd`;
+    let l = new Lexer(input);
+    let p = new Parser(grammar, l);
+
+    let ast = p.parse();
+    assert.exists(ast, p.error);
+
+    let a = new Assembler(ast);
+    let res = a.assemble();
+    assert.equal(res[0], 0x07230203);
+  });
+
+  it("assembles enumerant params", () => {
+    let input = "OpExecutionMode %main LocalSize 2 3 4";
+
+    let l = new Lexer(input);
+    let p = new Parser(grammar, l);
+
+    let ast = p.parse();
+    assert.exists(ast, p.error);
+
+    let a = new Assembler(ast);
+    let res = a.assemble();
+
+    assert.lengthOf(res, 11);
+    assert.equal(res[5], (6 /* word count */ << 16) | 16 /* opcode */);
+    assert.equal(res[6], 1 /* %main */);
+    assert.equal(res[7], 17 /* LocalSize */);
+    assert.equal(res[8], 2);
+    assert.equal(res[9], 3);
+    assert.equal(res[10], 4);
+  });
+
+  it("assembles float 32 values", () => {
+    let input = `%float = OpTypeFloat 32
+                 %float1 = OpConstant %float 0.400000006`;
+    let l = new Lexer(input);
+    let p = new Parser(grammar, l);
+
+    let ast = p.parse();
+    assert.exists(ast, p.error);
+
+    let a = new Assembler(ast);
+    let res = a.assemble();
+
+    assert.lengthOf(res, 12);
+    assert.equal(res[8], (4 /* word count */ << 16) | 43 /* opcode */);
+    assert.equal(res[9], 1 /* %float */);
+    assert.equal(res[10], 2 /* %float */);
+    assert.equal(res[11], 0x3ecccccd /* 0.400000006 */);
+  });
+
+  describe("strings", () => {
+    it("assembles 'abcd'", () => {
+      let input = `OpName %mains "abcd"`;
+      let l = new Lexer(input);
+      let p = new Parser(grammar, l);
+
+      let ast = p.parse();
+      assert.exists(ast, p.error);
+
+      let a = new Assembler(ast);
+      let res = a.assemble();
+
+      assert.lengthOf(res, 9);
+      assert.equal(res[5], (4 /* word count */ << 16) | 5 /* opcode */);
+      assert.equal(res[6], 1 /* %mains */);
+      assert.equal(res[7], 0x64636261 /* food */);
+      assert.equal(res[8], 0x00000000 /* null byte */);
+    });
+
+    it("assembles 'abcde'", () => {
+      let input = `OpName %mains "abcde"`;
+      let l = new Lexer(input);
+      let p = new Parser(grammar, l);
+
+      let ast = p.parse();
+      assert.exists(ast, p.error);
+
+      let a = new Assembler(ast);
+      let res = a.assemble();
+
+      assert.lengthOf(res, 9);
+      assert.equal(res[5], (4 /* word count */ << 16) | 5 /* opcode */);
+      assert.equal(res[6], 1 /* %mains */);
+      assert.equal(res[7], 0x64636261 /* abcd */);
+      assert.equal(res[8], 0x00000065 /* e */);
+    });
+
+    it("assembles 'abcdef'", () => {
+      let input = `OpName %mains "abcdef"`;
+      let l = new Lexer(input);
+      let p = new Parser(grammar, l);
+
+      let ast = p.parse();
+      assert.exists(ast, p.error);
+
+      let a = new Assembler(ast);
+      let res = a.assemble();
+
+      assert.lengthOf(res, 9);
+      assert.equal(res[5], (4 /* word count */ << 16) | 5 /* opcode */);
+      assert.equal(res[6], 1 /* %mains */);
+      assert.equal(res[7], 0x64636261 /* abcd */);
+      assert.equal(res[8], 0x00006665 /* ef */);
+    });
+
+    it("assembles 'abcdefg'", () => {
+      let input = `OpName %mains "abcdefg"`;
+      let l = new Lexer(input);
+      let p = new Parser(grammar, l);
+
+      let ast = p.parse();
+      assert.exists(ast, p.error);
+
+      let a = new Assembler(ast);
+      let res = a.assemble();
+
+      assert.lengthOf(res, 9);
+      assert.equal(res[5], (4 /* word count */ << 16) | 5 /* opcode */);
+      assert.equal(res[6], 1 /* %mains */);
+      assert.equal(res[7], 0x64636261 /* abcd */);
+      assert.equal(res[8], 0x00676665 /* efg */);
+    });
+  });
+});

diff --git a/tools/sva/src/ast.js b/tools/sva/src/ast.js
new file mode 100644
index 0000000..d396d2f
--- /dev/null
+++ b/tools/sva/src/ast.js

@@ -0,0 +1,141 @@
+// Copyright 2019 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+class Module {
+  constructor() {
+    this.instructions_ = [];
+    this.next_id_ = 1;
+
+    /**
+     * Maps {string, hash} where the string is the type name and the hash is:
+     *   type- 'float' or 'int'
+     *   width- number of bits needed to store number
+     *   signed- the sign of the number
+     */
+    this.types_ = {};
+
+    /**
+     * Maps {string, number} where the string is the type name and the number is
+     * the id value.
+     */
+    this.assigned_ids_ = {};
+  }
+
+  instructions() { return this.instructions_; }
+
+  instruction(val) { return this.instructions_[val]; }
+
+  addInstruction(inst) {
+    this.instructions_.push(inst);
+
+    // Record type information
+    if (inst.name() === "OpTypeInt" || inst.name() === "OpTypeFloat") {
+      let is_int = inst.name() === "OpTypeInt";
+
+      this.types_[inst.operand(0).name()] = {
+        type: is_int ? "int" : "float",
+        width: inst.operand(1).value(),
+        signed: is_int ? inst.operand(2).value() : 1
+      };
+    }
+
+    // Record operand result id's
+    inst.operands().forEach((op) => {
+      if (op.rawValue() !== undefined && op.type() === "result_id") {
+        this.next_id_ = Math.max(this.next_id_, op.rawValue() + 1);
+      }
+    });
+  }
+
+  getType(name) { return this.types_[name]; }
+
+  getId(name) {
+    if (this.assigned_ids_[name] !== undefined) {
+      return this.assigned_ids_[name];
+    }
+
+    let next = this.next_id_;
+    this.assigned_ids_[name] = next;
+
+    this.next_id_ += 1;
+    return next;
+  }
+
+  getIdBounds() { return this.next_id_; }
+}
+
+class Instruction {
+  constructor(name, opcode, operands) {
+    this.name_ = name;
+    this.opcode_ = opcode;
+    this.operands_ = operands;
+  }
+
+  name() { return this.name_; }
+
+  opcode() { return this.opcode_; }
+
+  operands() { return this.operands_; }
+
+  operand(val) { return this.operands_[val]; }
+}
+
+class Operand {
+  constructor(mod, name, type, value, params) {
+    this.module_ = mod;
+    this.name_ = name;
+    this.type_ = type;
+    this.value_ = value;
+    this.params_ = params;
+  }
+
+  name() { return this.name_; }
+
+  length() {
+    // Get the value just to force it to be filled.
+    this.value();
+
+    if (this.type_ === "string") {
+      return Math.ceil((this.value_.length + 1) / 4);
+    }
+
+    let size = 1;
+    for (const param of this.params_) {
+      size += param.length();
+    }
+    return size;
+  }
+
+  type() { return this.type_; }
+
+  rawValue() { return this.value_; }
+
+  // This method should only be called on ResultId's after the full parse is
+  // complete. This is because the AST will only have the maximum seen numeric
+  // ResultId when the parse is done.
+  value() {
+    if (this.value_ === undefined) {
+      this.value_ = this.module_.getId(this.name_);
+    }
+    return this.value_;
+  }
+
+  params() { return this.params_; }
+}
+
+export {
+  Module,
+  Instruction,
+  Operand
+};

diff --git a/tools/sva/src/lexer.js b/tools/sva/src/lexer.js
new file mode 100644
index 0000000..b39f93a
--- /dev/null
+++ b/tools/sva/src/lexer.js

@@ -0,0 +1,363 @@
+// Copyright 2019 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { Token, TokenType } from "./token.js";
+
+export default class Lexer {
+  /**
+   * @param {String} input The input string to tokenize.
+   */
+  constructor(input) {
+    this.input_ = input;
+    this.len_ = input.length;
+    this.cur_pos_ = 0;
+    this.cur_line_ = 1;
+
+    this.num_regex_ = /^[0-9]+$/;
+    this.alpha_regex_ = /^[a-zA-Z_]+$/;
+    this.op_regex_ = /^Op[A-Z][^\s]*$/;
+    this.hex_regex_ = /^[0-9a-fA-F]$/;
+  }
+
+  /**
+   * Parses the next token from the input stream.
+   * @return {Token} the next token.
+   */
+  next() {
+    this.skipWhitespace();
+    this.skipComments();
+
+    if (this.cur_pos_ >= this.len_)
+      return new Token(TokenType.kEOF, this.cur_line_);
+
+    let n = this.tryHexInteger();
+    if (n !== undefined)
+      return n;
+
+    n = this.tryFloat();
+    if (n !== undefined)
+      return n;
+
+    n = this.tryInteger();
+    if (n !== undefined)
+      return n;
+
+    n = this.tryString();
+    if (n !== undefined)
+      return n;
+
+    n = this.tryOp();
+    if (n !== undefined)
+      return n;
+
+    n = this.tryPunctuation();
+    if (n !== undefined)
+      return n;
+
+    n = this.tryResultId();
+    if (n !== undefined)
+      return n;
+
+    n = this.tryIdent();
+    if (n !== undefined)
+      return n;
+
+    return new Token(TokenType.kError, this.cur_line_, "Failed to match token");
+  }
+
+  is(str) {
+    if (this.len_ <= this.cur_pos_ + (str.length - 1))
+      return false;
+
+    for (let i = 0; i < str.length; ++i) {
+      if (this.input_[this.cur_pos_ + i] !== str[i])
+        return false;
+    }
+
+    return true;
+  }
+
+  isNum(ch) {
+    return ch.match(this.num_regex_);
+  }
+
+  isAlpha(ch) {
+    return ch.match(this.alpha_regex_);
+  }
+
+  isAlphaNum(ch) {
+    return this.isNum(ch) || this.isAlpha(ch);
+  }
+
+  isHex(char) {
+    return char.match(this.hex_regex_);
+  }
+
+  isCurWhitespace() {
+    return this.is(" ") || this.is("\t") || this.is("\r") || this.is("\n");
+  }
+
+  skipWhitespace() {
+    for(;;) {
+      let cur_pos = this.cur_pos_;
+      while (this.cur_pos_ < this.len_ &&
+          this.isCurWhitespace()) {
+        if (this.is("\n"))
+          this.cur_line_ += 1;
+
+        this.cur_pos_ += 1;
+      }
+
+      this.skipComments();
+
+      // Cursor didn't move so no whitespace matched.
+      if (cur_pos === this.cur_pos_)
+        break;
+    }
+  }
+
+  skipComments() {
+    if (!this.is(";"))
+      return;
+
+    while (this.cur_pos_ < this.len_ && !this.is("\n"))
+      this.cur_pos_ += 1;
+  }
+
+  /**
+   * Attempt to parse the next part of the input as a float.
+   * @return {Token|undefined} returns a Token if a float is matched,
+   *                           undefined otherwise.
+   */
+  tryFloat() {
+    let start = this.cur_pos_;
+    let end = start;
+
+    if (this.cur_pos_ >= this.len_)
+      return undefined;
+    if (this.input_[end] === "-")
+      end += 1;
+
+    while (end < this.len_ && this.isNum(this.input_[end]))
+      end += 1;
+
+    // Must have a "." in a float
+    if (end >= this.len_ || this.input_[end] !== ".")
+      return undefined;
+
+    end += 1;
+    while (end < this.len_ && this.isNum(this.input_[end]))
+      end += 1;
+
+    let substr = this.input_.substr(start, end - start);
+    if (substr === "." || substr === "-.")
+      return undefined;
+
+    this.cur_pos_ = end;
+
+    return new Token(TokenType.kFloatLiteral, this.cur_line_, parseFloat(substr));
+  }
+
+  /**
+   * Attempt to parse a hex encoded integer.
+   * @return {Token|undefined} returns a Token if a Hex number is matched,
+   *                           undefined otherwise.
+   */
+  tryHexInteger() {
+    let start = this.cur_pos_;
+    let end = start;
+
+    if (this.cur_pos_ >= this.len_)
+      return undefined;
+    if (end + 2 >= this.len_ || this.input_[end] !== "0" ||
+        this.input_[end + 1] !== "x") {
+      return undefined;
+    }
+
+    end += 2;
+
+    while (end < this.len_ && this.isHex(this.input_[end]))
+      end += 1;
+
+    this.cur_pos_ = end;
+
+    let val = parseInt(this.input_.substr(start, end - start), 16);
+    return new Token(TokenType.kIntegerLiteral, this.cur_line_, val);
+  }
+
+  /**
+   * Attempt to parse an encoded integer.
+   * @return {Token|undefined} returns a Token if a number is matched,
+   *                           undefined otherwise.
+   */
+  tryInteger() {
+    let start = this.cur_pos_;
+    let end = start;
+
+    if (this.cur_pos_ >= this.len_)
+      return undefined;
+    if (this.input_[end] === "-")
+      end += 1;
+
+    if (end >= this.len_ || !this.isNum(this.input_[end]))
+      return undefined;
+
+    while (end < this.len_ && this.isNum(this.input_[end]))
+      end += 1;
+
+    this.cur_pos_ = end;
+
+    let val = parseInt(this.input_.substr(start, end - start), 10);
+    return new Token(TokenType.kIntegerLiteral, this.cur_line_, val);
+  }
+
+  /**
+   * Attempt to parse a result id.
+   * @return {Token|undefined} returns a Token if a result id is matched,
+   *                           undefined otherwise.
+   */
+  tryResultId() {
+    let start = this.cur_pos_;
+    if (start >= this.len_)
+      return undefined;
+    if (!this.is("%"))
+      return undefined;
+
+    start += 1;
+    this.cur_pos_ += 1;
+    while (this.cur_pos_ < this.len_ &&
+        (this.isAlphaNum(this.input_[this.cur_pos_]) || this.is("_"))) {
+      this.cur_pos_ += 1;
+    }
+
+    let ident = this.input_.substr(start, this.cur_pos_ - start);
+    let value = undefined;
+    if (ident.match(this.num_regex_))
+      value = parseInt(ident, 10);
+
+    return new Token(TokenType.kResultId, this.cur_line_, {
+      name: ident,
+      val: value
+    });
+  }
+
+  /**
+   * Attempt to parse an identifier.
+   * @return {Token|undefined} returns a Token if an identifier is matched,
+   *                           undefined otherwise.
+   */
+  tryIdent() {
+    let start = this.cur_pos_;
+    if (start >= this.len_)
+      return undefined;
+
+    while (this.cur_pos_ < this.len_ &&
+        (this.isAlphaNum(this.input_[this.cur_pos_]) || this.is("_"))) {
+      this.cur_pos_ += 1;
+    }
+
+    let ident = this.input_.substr(start, this.cur_pos_ - start);
+    return new Token(TokenType.kIdentifier, this.cur_line_, ident);
+  }
+
+  /**
+   * Attempt to parse an Op command.
+   * @return {Token|undefined} returns a Token if an Op command is matched,
+   *                           undefined otherwise.
+   */
+  tryOp() {
+    let start = this.cur_pos_;
+    if (this.cur_pos_ >= this.len_ || (this.cur_pos_ + 1 >= this.len_))
+      return undefined;
+
+    if (this.input_[this.cur_pos_] !== "O" ||
+        this.input_[this.cur_pos_ + 1] !== "p") {
+      return undefined;
+    }
+
+    while (this.cur_pos_ < this.len_ &&
+        !this.isCurWhitespace()) {
+      this.cur_pos_ += 1;
+    }
+
+    return new Token(TokenType.kOp, this.cur_line_, {
+      name: this.input_.substr(start, this.cur_pos_ - start)
+    });
+  }
+
+  /**
+   * Attempts to match punctuation strings against the input
+   * @return {Token|undefined} Returns the Token for the punctuation or
+   *                           undefined if no matches found.
+   */
+  tryPunctuation() {
+    let type = undefined;
+    if (this.is("="))
+      type = TokenType.kEqual;
+    else if (this.is("|"))
+      type = TokenType.kPipe;
+
+    if (type === undefined)
+      return undefined;
+
+    this.cur_pos_ += type.length;
+    return new Token(type, this.cur_line_, type);
+  }
+
+  /**
+   * Attempts to match strings against the input
+   * @return {Token|undefined} Returns the Token for the string or undefined
+   *                           if no match found.
+   */
+  tryString() {
+    let start = this.cur_pos_;
+
+    // Must have at least 2 chars for a string.
+    if (this.cur_pos_ >= this.len_ || (this.cur_pos_ + 1 >= this.len_))
+      return undefined;
+    if (!this.is("\""))
+      return undefined;
+
+    this.cur_pos_ += 1;
+    let str = "";
+    while (this.cur_pos_ <= this.len_) {
+      if (this.is("\""))
+        break;
+
+      if (this.is("\\")) {
+        this.cur_pos_ += 1;
+        if (this.cur_pos_ >= this.len_)
+          return undefined;
+
+        if (this.is("\\")) {
+          str += "\\";
+        } else if (this.is("\"")) {
+          str += '"';
+        } else {
+          str += this.input_[this.cur_pos_];
+        }
+      } else {
+        str += this.input_[this.cur_pos_];
+      }
+      this.cur_pos_ += 1;
+    }
+
+    if (this.cur_pos_ >= this.len_)
+      return undefined;
+
+    this.cur_pos_ += 1;
+
+    return new Token(TokenType.kStringLiteral, this.cur_line_, str);
+  }
+}

diff --git a/tools/sva/src/lexer_test.js b/tools/sva/src/lexer_test.js
new file mode 100644
index 0000000..32b24c7
--- /dev/null
+++ b/tools/sva/src/lexer_test.js

@@ -0,0 +1,191 @@
+// Copyright 2019 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { assert } from "chai";
+import Lexer from "./lexer";
+import { TokenType } from "./token";
+
+describe("lexer", () => {
+  describe("skipped content", () => {
+    it("skips whitespace", () => {
+      let input = " \t\r\n\t  \tOpKill\t\n\t  \r  ";
+      let l = new Lexer(input);
+
+      let t = l.next();
+      assert.equal(t.type, TokenType.kOp);
+      assert.equal(t.line, 2);
+      assert.equal(t.data.name, "OpKill");
+
+      t = l.next();
+      assert.equal(t.type, TokenType.kEOF);
+      assert.equal(t.line, 3);
+    });
+
+    it("skips ; comments", () => {
+      let input = `; start with comment
+OpKill ; end of line comment
+; another comment
+%1`;
+
+      let l = new Lexer(input);
+      let t = l.next();
+      assert.equal(t.type, TokenType.kOp);
+      assert.equal(t.data.name, "OpKill");
+      assert.equal(t.line, 2);
+
+      t = l.next();
+      assert.equal(t.type, TokenType.kResultId);
+      assert.equal(t.data.name, "1");
+      assert.equal(t.data.val, 1);
+      assert.equal(t.line, 4);
+    });
+  });
+
+  describe("numerics", () => {
+    it("parses floats", () => {
+      let input = ["0.0", "0.", ".0", "5.7", "5.", ".7", "-0.0", "-.0",
+        "-0.", "-5.7", "-5.", "-.7"];
+
+      let results = [0.0, 0.0, 0.0, 5.7, 5.0, 0.7, 0.0, 0.0, 0.0, -5.7, -5.0,
+        -0.7];
+      input.forEach((val, idx) => {
+        let l = new Lexer(val);
+        let t = l.next();
+
+        assert.equal(t.type, TokenType.kFloatLiteral,
+          `expected ${val} to be a float got ${t.type}`);
+        assert.equal(t.data, results[idx],
+          `expected ${results[idx]} === ${t.data}`);
+
+        t = l.next();
+        assert.equal(t.type, TokenType.kEOF);
+        assert.equal(t.data, undefined);
+      });
+    });
+
+    it("handles invalid floats", () => {
+      let input = [".", "-."];
+      input.forEach((val) => {
+        let l = new Lexer(val);
+        let t = l.next();
+
+        assert.notEqual(t.type, TokenType.kFloatLiteral,
+          `expect ${val} to not match type float`);
+      });
+    });
+
+    it("parses integers", () => {
+      let input = ["0", "-0", "123", "-123", "2147483647", "-2147483648",
+        "4294967295", "0x00", "0x24"];
+      let results = [0, 0, 123, -123,2147483647, -2147483648, 4294967295,
+        0x0, 0x24];
+
+      input.forEach((val, idx) => {
+        let l = new Lexer(val);
+        let t = l.next();
+
+        assert.equal(t.type, TokenType.kIntegerLiteral,
+          `expected ${val} to be an integer got ${t.type}`);
+        assert.equal(t.data, results[idx],
+          `expected ${results[idx]} === ${t.data}`);
+
+        t = l.next();
+        assert.equal(t.type, TokenType.kEOF);
+        assert.equal(t.data, undefined);
+      });
+    });
+  });
+
+  it("matches result_ids", () => {
+    let input = `%123
+%001
+%main
+%_a_b_c`;
+
+    let result = [
+      {name: "123", val: 123},
+      {name: "001", val: 1},
+      {name: "main", val: undefined},
+      {name: "_a_b_c", val: undefined}
+    ];
+
+    let l = new Lexer(input);
+    for (let i = 0; i < result.length; ++i) {
+      let t = l.next();
+      assert.equal(t.type, TokenType.kResultId);
+      assert.equal(t.data.name, result[i].name);
+      assert.equal(t.data.val, result[i].val);
+    }
+  });
+
+  it("matches punctuation", () => {
+    let input = "=";
+    let results = [TokenType.kEqual];
+
+    let l = new Lexer(input);
+    for (let i = 0; i < results.length; ++i) {
+      let t = l.next();
+      assert.equal(t.type, results[i]);
+      assert.equal(t.line, i + 1);
+    }
+
+    let t = l.next();
+    assert.equal(t.type, TokenType.kEOF);
+  });
+
+  describe("strings", () => {
+    it("matches strings", () => {
+      let input = "\"GLSL.std.450\"";
+
+      let l = new Lexer(input);
+      let t = l.next();
+      assert.equal(t.type, TokenType.kStringLiteral);
+      assert.equal(t.data, "GLSL.std.450");
+    });
+
+    it("handles unfinished strings", () => {
+      let input = "\"GLSL.std.450";
+
+      let l = new Lexer(input);
+      let t = l.next();
+      assert.equal(t.type, TokenType.kError);
+    });
+
+    it("handles escapes", () => {
+      let input = `"embedded\\"quote"
+"embedded\\\\slash"
+"embedded\\nchar"`;
+      let results = [`embedded\"quote`, `embedded\\slash`, `embeddednchar`];
+
+      let l = new Lexer(input);
+      for (let i = 0; i < results.length; ++i) {
+        let t = l.next();
+        assert.equal(t.type, TokenType.kStringLiteral, results[i]);
+        assert.equal(t.data, results[i]);
+      }
+    });
+  });
+
+  it("matches keywords", () => {
+    let input = "GLSL Function";
+    let results = ["GLSL", "Function"];
+
+    let l = new Lexer(input);
+    for (let i = 0; i < results.length; ++i) {
+      let t = l.next();
+      assert.equal(t.type, TokenType.kIdentifier, results[i]);
+      assert.equal(t.data, results[i]);
+    }
+  });
+});

diff --git a/tools/sva/src/parser.js b/tools/sva/src/parser.js
new file mode 100644
index 0000000..3eee661
--- /dev/null
+++ b/tools/sva/src/parser.js

@@ -0,0 +1,277 @@
+// Copyright 2019 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { TokenType } from "./token.js";
+import * as AST from "./ast.js";
+
+export default class Parser {
+  /**
+   * @param {Hash} The SPIR-V grammar
+   * @param {Lexer} The lexer
+   * @return {AST} Attempts to build an AST from the tokens returned by the
+   *               given lexer
+   */
+  constructor(grammar, lexer) {
+    this.grammar_ = grammar;
+    this.lexer_ = lexer;
+
+    this.peek_ = [];
+    this.error_ = "";
+  }
+
+  get error() { return this.error_; }
+
+  next() {
+    return this.peek_.shift() || this.lexer_.next();
+  }
+
+  peek(idx) {
+    while (this.peek_.length <= idx) {
+      this.peek_.push(this.lexer_.next());
+    }
+    return this.peek_[idx];
+  }
+
+  /**
+   * Executes the parser.
+   *
+   * @return {AST|undefined} returns a parsed AST on success or undefined
+   *                         on error. The error message can be retrieved by
+   *                         calling error().
+   */
+  parse() {
+    let ast = new AST.Module();
+    for(;;) {
+      let token = this.next();
+      if (token === TokenType.kError) {
+        this.error_ = token.line() + ": " + token.data();
+        return undefined;
+      }
+      if (token.type === TokenType.kEOF)
+        break;
+
+      let result_id = undefined;
+      if (token.type === TokenType.kResultId) {
+        result_id = token;
+
+        token = this.next();
+        if (token.type !== TokenType.kEqual) {
+          this.error_ = token.line + ": expected = after result id";
+          return undefined;
+        }
+
+        token = this.next();
+      }
+
+      if (token.type !== TokenType.kOp) {
+        this.error_ = token.line + ": expected Op got " + token.type;
+        return undefined;
+      }
+
+      let name = token.data.name;
+      let data = this.getInstructionData(name);
+      let operands = [];
+      let result_type = undefined;
+
+      for (let operand of data.operands) {
+        if (operand.kind === "IdResult") {
+          if (result_id === undefined) {
+            this.error_ = token.line + ": expected result id";
+            return undefined;
+          }
+          let o = new AST.Operand(ast, result_id.data.name, "result_id",
+            result_id.data.val, []);
+          if (o === undefined) {
+            return undefined;
+          }
+          operands.push(o);
+        } else {
+          if (operand.quantifier === "?") {
+            if (this.nextIsNewInstr()) {
+              break;
+            }
+          } else if (operand.quantifier === "*") {
+            while (!this.nextIsNewInstr()) {
+              let o = this.extractOperand(ast, result_type, operand);
+              if (o === undefined) {
+                return undefined;
+              }
+              operands.push(o);
+            }
+            break;
+          }
+
+          let o = this.extractOperand(ast, result_type, operand);
+          if (o === undefined) {
+            return undefined;
+          }
+
+          // Store the result type away so we can use it for context dependent
+          // numbers if needed.
+          if (operand.kind === "IdResultType") {
+            result_type = ast.getType(o.name());
+          }
+
+          operands.push(o);
+        }
+      }
+
+      // Verify only GLSL extended instructions are used
+      if (name === "OpExtInstImport" && operands[1].value() !== "GLSL.std.450") {
+        this.error_ = token.line + ": Only GLSL.std.450 external instructions supported";
+        return undefined;
+      }
+
+      let inst = new AST.Instruction(name, data.opcode, operands);
+
+      ast.addInstruction(inst);
+    }
+    return ast;
+  }
+
+  getInstructionData(name) {
+    return this.grammar_["instructions"][name];
+  }
+
+  nextIsNewInstr() {
+    let n0 = this.peek(0);
+    if (n0.type === TokenType.kOp || n0.type === TokenType.kEOF) {
+      return true;
+    }
+
+    let n1 = this.peek(1);
+    if (n1.type === TokenType.kEOF) {
+      return false;
+    }
+    if (n0.type === TokenType.kResultId && n1.type === TokenType.kEqual)
+      return true;
+
+    return false;
+  }
+
+  extractOperand(ast, result_type, data) {
+    let t = this.next();
+
+    let name = undefined;
+    let kind = undefined;
+    let value = undefined;
+    let params = [];
+
+    // TODO(dsinclair): There are a bunch of missing types here. See
+    // https://github.com/KhronosGroup/SPIRV-Tools/blob/master/source/text.cpp#L210
+    if (data.kind === "IdResult" || data.kind === "IdRef"
+        || data.kind === "IdResultType") {
+      if (t.type !== TokenType.kResultId) {
+        this.error_ = t.line + ": expected result id";
+        return undefined;
+      }
+
+      name = t.data.name;
+      kind = "result_id";
+      value = t.data.val;
+    } else if (data.kind === "LiteralString") {
+      if (t.type !== TokenType.kStringLiteral) {
+        this.error_ = t.line + ": expected string not found";
+        return undefined;
+      }
+
+      name = t.data;
+      kind = "string";
+      value = t.data;
+    } else if (data.kind === "LiteralInteger") {
+      if (t.type !== TokenType.kIntegerLiteral) {
+        this.error_ = t.line + ": expected integer not found";
+        return undefined;
+      }
+
+      name = "" + t.data;
+      kind = t.type;
+      value = t.data;
+    } else if (data.kind === "LiteralContextDependentNumber") {
+      if (result_type === undefined) {
+        this.error_ = t.line +
+            ": missing result type for context dependent number";
+        return undefined;
+      }
+      if (t.type !== TokenType.kIntegerLiteral
+          && t.type !== TokenType.kFloatLiteral) {
+        this.error_ = t.line + ": expected number not found";
+        return undefined;
+      }
+
+      name = "" + t.data;
+      kind = result_type.type;
+      value = t.data;
+
+    } else if (data.kind === "LiteralExtInstInteger") {
+      if (t.type !== TokenType.kIdentifier) {
+        this.error_ = t.line + ": expected instruction identifier";
+        return undefined;
+      }
+
+      if (this.grammar_.ext[t.data] === undefined) {
+        this.error_ = t.line + `: unable to find extended instruction (${t.data})`;
+        return undefined;
+      }
+
+      name = t.data;
+      kind = "integer";
+      value = this.grammar_.ext[t.data];
+
+    } else {
+      let d = this.grammar_.operand_kinds[data.kind];
+      if (d === undefined) {
+        this.error_ = t.line + ": expected " + data.kind + " not found";
+        return undefined;
+      }
+
+      let val = d.values[t.data]["value"];
+      let names = [t.data];
+      if (d.type === "BitEnum") {
+        for(;;) {
+          let tmp = this.peek(0);
+          if (tmp.type !== TokenType.kPipe) {
+            break;
+          }
+
+          this.next();  // skip pipe
+          tmp = this.next();
+
+          if (tmp.type !== TokenType.kIdentifier) {
+            this.error_ = tmp.line() + ": expected identifier";
+            return undefined;
+          }
+
+          val |= d.values[tmp.data]["value"];
+          names.push(tmp.data);
+        }
+      }
+
+      name = names.join("|");
+      kind = d.type;
+      value = val;
+
+      for (const op_name of names) {
+        if (d.values[op_name]['params'] === undefined) {
+          continue;
+        }
+
+        for (const param of d.values[op_name]["params"]) {
+          params.push(this.extractOperand(ast, result_type, { kind: param }));
+        }
+      }
+    }
+    return new AST.Operand(ast, name, kind, value, params);
+  }
+}

diff --git a/tools/sva/src/parser_test.js b/tools/sva/src/parser_test.js
new file mode 100644
index 0000000..e64aabd
--- /dev/null
+++ b/tools/sva/src/parser_test.js

@@ -0,0 +1,464 @@
+// Copyright 2019 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { assert } from "chai";
+import Lexer from "./lexer";
+import Parser from "./parser";
+import grammar from "./spirv.data.js";
+
+describe("parser", () => {
+  it("parses an opcode", () => {
+    let input = "OpKill";
+    let l = new Lexer(input);
+    let p = new Parser(grammar, l);
+
+    let ast = p.parse();
+    assert.exists(ast);
+    assert.lengthOf(ast.instructions(), 1);
+
+    let inst = ast.instruction(0);
+    assert.equal(inst.name(), "OpKill");
+    assert.equal(inst.opcode(), 252);
+    assert.lengthOf(inst.operands, 0);
+  });
+
+  it("parses an opcode with an identifier", () => {
+    let input = "OpCapability Shader";
+    let l = new Lexer(input);
+    let p = new Parser(grammar, l);
+
+    let ast = p.parse();
+    assert.exists(ast, p.error);
+    assert.lengthOf(ast.instructions(), 1);
+
+    let inst = ast.instruction(0);
+    assert.equal(inst.name(), "OpCapability");
+    assert.equal(inst.opcode(), 17);
+    assert.lengthOf(inst.operands(), 1);
+
+    let op = inst.operand(0);
+    assert.equal(op.name(), "Shader");
+    assert.equal(op.type(), "ValueEnum");
+    assert.equal(op.value(), 1);
+  });
+
+  it("parses an opcode with a result", () => {
+    let input = "%void = OpTypeVoid";
+    let l = new Lexer(input);
+    let p = new Parser(grammar, l);
+
+    let ast = p.parse();
+    assert.exists(ast);
+    assert.lengthOf(ast.instructions(), 1);
+
+    let inst = ast.instruction(0);
+    assert.equal(inst.name(), "OpTypeVoid");
+    assert.equal(inst.opcode(), 19);
+    assert.lengthOf(inst.operands(), 1);
+
+    let op = inst.operand(0);
+    assert.equal(op.name(), "void");
+    assert.equal(op.value(), 1);
+  });
+
+  it("sets module bounds based on numeric result", () => {
+    let input = "%3 = OpTypeVoid";
+
+    let l = new Lexer(input);
+    let p = new Parser(grammar, l);
+
+    let ast = p.parse();
+    assert.exists(ast);
+    assert.equal(ast.getId("next"), 4);
+  });
+
+  it("returns the same value for a named result_id", () => {
+    let input = "%3 = OpTypeFunction %int %int";
+
+    let l = new Lexer(input);
+    let p = new Parser(grammar, l);
+
+    let ast = p.parse();
+    assert.exists(ast);
+    assert.lengthOf(ast.instructions(), 1);
+
+    let inst = ast.instruction(0);
+    let op1 = inst.operand(1);
+    assert.equal(op1.name(), "int");
+    assert.equal(op1.value(), 4);
+
+    let op2 = inst.operand(2);
+    assert.equal(op2.name(), "int");
+    assert.equal(op2.value(), 4);
+  });
+
+  it("parses an opcode with a string", () => {
+    let input = "OpEntryPoint Fragment %main \"main\"";
+
+    let l = new Lexer(input);
+    let p = new Parser(grammar, l);
+
+    let ast = p.parse();
+    assert.exists(ast);
+    assert.lengthOf(ast.instructions(), 1);
+
+    let inst = ast.instruction(0);
+    let op = inst.operand(2);
+    assert.equal(op.name(), "main");
+    assert.equal(op.value(), "main");
+  });
+
+  describe("numerics", () => {
+    describe("integers", () => {
+      it("parses an opcode with an integer", () => {
+        let input = "OpSource GLSL 440";
+
+        let l = new Lexer(input);
+        let p = new Parser(grammar, l);
+
+        let ast = p.parse();
+        assert.exists(ast);
+        assert.lengthOf(ast.instructions(), 1);
+
+        let inst = ast.instruction(0);
+        let op0 = inst.operand(0);
+        assert.equal(op0.name(), "GLSL");
+        assert.equal(op0.type(), "ValueEnum");
+        assert.equal(op0.value(), 2);
+
+        let op1 = inst.operand(1);
+        assert.equal(op1.name(), "440");
+        assert.equal(op1.value(), 440);
+      });
+
+      it("parses an opcode with a hex integer", () => {
+        let input = "OpSource GLSL 0x440";
+
+        let l = new Lexer(input);
+        let p = new Parser(grammar, l);
+
+        let ast = p.parse();
+        assert.exists(ast);
+        assert.lengthOf(ast.instructions(), 1);
+
+        let inst = ast.instruction(0);
+        let op0 = inst.operand(0);
+        assert.equal(op0.name(), "GLSL");
+        assert.equal(op0.type(), "ValueEnum");
+        assert.equal(op0.value(), 2);
+
+        let op1 = inst.operand(1);
+        assert.equal(op1.name(), "1088");
+        assert.equal(op1.value(), 0x440);
+      });
+
+      it.skip("parses immediate integers", () => {
+        // TODO(dsinclair): Support or skip?
+      });
+    });
+
+    describe("floats", () => {
+      it("parses floats", () => {
+        let input = `%float = OpTypeFloat 32
+                     %float1 = OpConstant %float 0.400000006`;
+
+        let l = new Lexer(input);
+        let p = new Parser(grammar, l);
+
+        let ast = p.parse();
+        assert.exists(ast, p.error);
+        assert.lengthOf(ast.instructions(), 2);
+
+        let inst = ast.instruction(1);
+        let op2 = inst.operand(2);
+        assert.equal(op2.value(), 0.400000006);
+      });
+
+      // TODO(dsinclair): Make hex encoded floats parse ...
+      it.skip("parses hex floats", () => {
+        let input = `%float = OpTypeFloat 32
+                     %nfloat = OpConstant %float -0.4p+2
+                     %pfloat = OpConstant %float 0.4p-2
+                     %inf = OpConstant %float32 0x1p+128
+                     %neginf = OpConstant %float32 -0x1p+128
+                     %aNaN = OpConstant %float32 0x1.8p+128
+                     %moreNaN = OpConstant %float32 -0x1.0002p+128`;
+
+        let results = [-40.0, .004, 0x00000, 0x00000, 0x7fc00000, 0xff800100];
+        let l = new Lexer(input);
+        let p = new Parser(grammar, l);
+
+        let ast = p.parse();
+        assert.exists(ast, p.error);
+        assert.lengthOf(ast.instructions(), 7);
+
+        for (const idx in results) {
+          let inst = ast.instruction(idx);
+          let op2 = inst.operand(2);
+          assert.equal(op2.value(), results[idx]);
+        }
+      });
+
+      it("parses a float that looks like an int", () => {
+        let input = `%float = OpTypeFloat 32
+                     %float1 = OpConstant %float 1`;
+
+        let l = new Lexer(input);
+        let p = new Parser(grammar, l);
+
+        let ast = p.parse();
+        assert.exists(ast, p.error);
+        assert.lengthOf(ast.instructions(), 2);
+
+        let inst = ast.instruction(1);
+        let op2 = inst.operand(2);
+        assert.equal(op2.value(), 1);
+        assert.equal(op2.type(), "float");
+      });
+    });
+  });
+
+  describe("enums", () => {
+    it("parses enum values", () => {
+      let input = `%1 = OpTypeFloat 32
+  %30 = OpImageSampleExplicitLod %1 %20 %18 Grad|ConstOffset %22 %24 %29`;
+
+      let vals = [{val: 1, name: "1"},
+        {val: 30, name: "30"},
+        {val: 20, name: "20"},
+        {val: 18, name: "18"},
+        {val: 12, name: "Grad|ConstOffset"}];
+
+      let l = new Lexer(input);
+      let p = new Parser(grammar, l);
+
+      let ast = p.parse();
+      assert.exists(ast, p.error);
+      assert.lengthOf(ast.instructions(), 2);
+
+      let inst = ast.instruction(1);
+      for (let idx in vals) {
+        let op = inst.operand(idx);
+        assert.equal(op.name(), vals[idx].name);
+        assert.equal(op.value(), vals[idx].val);
+      }
+
+      // BitEnum
+      let params = inst.operand(4).params();
+      assert.lengthOf(params, 3);
+      assert.equal(params[0].name(), "22");
+      assert.equal(params[0].value(), 22);
+      assert.equal(params[1].name(), "24");
+      assert.equal(params[1].value(), 24);
+      assert.equal(params[2].name(), "29");
+      assert.equal(params[2].value(), 29);
+    });
+
+    it("parses enumerants with parameters", () => {
+      let input ="OpExecutionMode %main LocalSize 2 3 4";
+
+      let l = new Lexer(input);
+      let p = new Parser(grammar, l);
+
+      let ast = p.parse();
+      assert.exists(ast, p.error);
+      assert.lengthOf(ast.instructions(), 1);
+
+      let inst = ast.instruction(0);
+      assert.equal(inst.name(), "OpExecutionMode");
+      assert.lengthOf(inst.operands(), 2);
+      assert.equal(inst.operand(0).name(), "main");
+      assert.equal(inst.operand(1).name(), "LocalSize");
+
+      let params = inst.operand(1).params();
+      assert.lengthOf(params, 3);
+      assert.equal(params[0].name(), "2");
+      assert.equal(params[1].name(), "3");
+      assert.equal(params[2].name(), "4");
+    });
+  });
+
+  it("parses result into second operand if needed", () => {
+    let input = `%int = OpTypeInt 32 1
+                 %int_3 = OpConstant %int 3`;
+    let l = new Lexer(input);
+    let p = new Parser(grammar, l);
+
+    let ast = p.parse();
+    assert.exists(ast);
+    assert.lengthOf(ast.instructions(), 2);
+
+    let inst = ast.instruction(1);
+    assert.equal(inst.name(), "OpConstant");
+    assert.equal(inst.opcode(), 43);
+    assert.lengthOf(inst.operands(), 3);
+
+    let op0 = inst.operand(0);
+    assert.equal(op0.name(), "int");
+    assert.equal(op0.value(), 1);
+
+    let op1 = inst.operand(1);
+    assert.equal(op1.name(), "int_3");
+    assert.equal(op1.value(), 2);
+
+    let op2 = inst.operand(2);
+    assert.equal(op2.name(), "3");
+    assert.equal(op2.value(), 3);
+  });
+
+  describe("quantifiers", () => {
+    describe("?", () => {
+      it("skips if missing", () => {
+        let input = `OpImageWrite %1 %2 %3
+OpKill`;
+        let l = new Lexer(input);
+        let p = new Parser(grammar, l);
+
+        let ast = p.parse();
+        assert.exists(ast);
+        assert.lengthOf(ast.instructions(), 2);
+
+        let inst = ast.instruction(0);
+        assert.equal(inst.name(), "OpImageWrite");
+        assert.lengthOf(inst.operands(), 3);
+      });
+
+      it("skips if missing at EOF", () => {
+        let input = "OpImageWrite %1 %2 %3";
+        let l = new Lexer(input);
+        let p = new Parser(grammar, l);
+
+        let ast = p.parse();
+        assert.exists(ast);
+        assert.lengthOf(ast.instructions(), 1);
+
+        let inst = ast.instruction(0);
+        assert.equal(inst.name(), "OpImageWrite");
+        assert.lengthOf(inst.operands(), 3);
+      });
+
+      it("extracts if available", () => {
+        let input = `OpImageWrite %1 %2 %3 ConstOffset %2
+OpKill`;
+        let l = new Lexer(input);
+        let p = new Parser(grammar, l);
+
+        let ast = p.parse();
+        assert.exists(ast);
+        assert.lengthOf(ast.instructions(), 2);
+
+        let inst = ast.instruction(0);
+        assert.equal(inst.name(), "OpImageWrite");
+        assert.lengthOf(inst.operands(), 4);
+        assert.equal(inst.operand(3).name(), "ConstOffset");
+      });
+    });
+
+    describe("*", () => {
+      it("skips if missing", () => {
+        let input = `OpEntryPoint Fragment %main "main"
+OpKill`;
+
+        let l = new Lexer(input);
+        let p = new Parser(grammar, l);
+
+        let ast = p.parse();
+        assert.exists(ast);
+        assert.lengthOf(ast.instructions(), 2);
+
+        let inst = ast.instruction(0);
+        assert.equal(inst.name(), "OpEntryPoint");
+        assert.lengthOf(inst.operands(), 3);
+        assert.equal(inst.operand(2).name(), "main");
+      });
+
+      it("extracts one if available", () => {
+        let input = `OpEntryPoint Fragment %main "main" %2
+OpKill`;
+
+        let l = new Lexer(input);
+        let p = new Parser(grammar, l);
+
+        let ast = p.parse();
+        assert.exists(ast);
+        assert.lengthOf(ast.instructions(), 2);
+
+        let inst = ast.instruction(0);
+        assert.equal(inst.name(), "OpEntryPoint");
+        assert.lengthOf(inst.operands(), 4);
+        assert.equal(inst.operand(3).name(), "2");
+      });
+
+      it("extracts multiple if available", () => {
+        let input = `OpEntryPoint Fragment %main "main" %2 %3 %4 %5
+OpKill`;
+
+        let l = new Lexer(input);
+        let p = new Parser(grammar, l);
+
+        let ast = p.parse();
+        assert.exists(ast);
+        assert.lengthOf(ast.instructions(), 2);
+
+        let inst = ast.instruction(0);
+        assert.equal(inst.name(), "OpEntryPoint");
+        assert.lengthOf(inst.operands(), 7);
+        assert.equal(inst.operand(3).name(), "2");
+        assert.equal(inst.operand(4).name(), "3");
+        assert.equal(inst.operand(5).name(), "4");
+        assert.equal(inst.operand(6).name(), "5");
+      });
+    });
+  });
+
+  describe("extended instructions", () => {
+    it("errors on non-glsl extensions", () => {
+      let input = "%1 = OpExtInstImport \"OpenCL.std.100\"";
+
+      let l = new Lexer(input);
+      let p = new Parser(grammar, l);
+
+      assert.isUndefined(p.parse());
+    });
+
+    it("handles extended instructions", () => {
+      let input = `%1 = OpExtInstImport "GLSL.std.450"
+  %44 = OpExtInst %7 %1 Sqrt %43`;
+
+      let l = new Lexer(input);
+      let p = new Parser(grammar, l);
+
+      let ast = p.parse();
+      assert.exists(ast, p.error);
+      assert.lengthOf(ast.instructions(), 2);
+
+      let inst = ast.instruction(1);
+      assert.lengthOf(inst.operands(), 5);
+      assert.equal(inst.operand(3).value(), 31);
+      assert.equal(inst.operand(3).name(), "Sqrt");
+      assert.equal(inst.operand(4).value(), 43);
+      assert.equal(inst.operand(4).name(), "43");
+    });
+  });
+
+  it.skip("handles spec constant ops", () => {
+    // let input = "%sum = OpSpecConstantOp %i32 IAdd %a %b";
+  });
+
+  it.skip("handles OpCopyMemory", () => {
+    // let input = "OpCopyMemory %1 %2 " +
+    //             "Volatile|Nontemporal|MakePointerVisible %3 " +
+    //             "Aligned|MakePointerAvailable|NonPrivatePointer 16 %4";
+  });
+});

diff --git a/tools/sva/src/spirv.data.js b/tools/sva/src/spirv.data.js
new file mode 100644
index 0000000..ba969d8
--- /dev/null
+++ b/tools/sva/src/spirv.data.js

@@ -0,0 +1,4567 @@
+/*Copyright (c) 2014-2016 The Khronos Group Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and/or associated documentation files (the "Materials"),
+to deal in the Materials without restriction, including without limitation
+the rights to use, copy, modify, merge, publish, distribute, sublicense,
+and/or sell copies of the Materials, and to permit persons to whom the
+Materials are furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Materials.
+
+MODIFICATIONS TO THIS FILE MAY MEAN IT NO LONGER ACCURATELY REFLECTS KHRONOS
+STANDARDS. THE UNMODIFIED, NORMATIVE VERSIONS OF KHRONOS SPECIFICATIONS AND
+HEADER INFORMATION ARE LOCATED AT https://www.khronos.org/registry/ 
+
+THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM,OUT OF OR IN CONNECTION WITH THE MATERIALS OR THE USE OR OTHER DEALINGS
+IN THE MATERIALS.*/
+
+// THIS FILE IS GENERATED WITH tools/process_grammar.rb
+
+export default {
+  "magic": "0x07230203",
+  "version": [
+    1,
+    5
+  ],
+  "instructions": {
+    "OpNop": {
+      "opcode": 0,
+      "operands": [
+
+      ]
+    },
+    "OpUndef": {
+      "opcode": 1,
+      "operands": [
+        {
+          "kind": "IdResultType"
+        },
+        {
+          "kind": "IdResult"
+        }
+      ]
+    },
+    "OpSourceContinued": {
+      "opcode": 2,
+      "operands": [
+        {
+          "kind": "LiteralString"
+        }
+      ]
+    },
+    "OpSource": {
+      "opcode": 3,
+      "operands": [
+        {
+          "kind": "SourceLanguage"
+        },
+        {
+          "kind": "LiteralInteger"
+        },
+        {
+          "kind": "IdRef",
+          "quantifier": "?"
+        },
+        {
+          "kind": "LiteralString",
+          "quantifier": "?"
+        }
+      ]
+    },
+    "OpSourceExtension": {
+      "opcode": 4,
+      "operands": [
+        {
+          "kind": "LiteralString"
+        }
+      ]
+    },
+    "OpName": {
+      "opcode": 5,
+      "operands": [
+        {
+          "kind": "IdRef"
+        },
+        {
+          "kind": "LiteralString"
+        }
+      ]
+    },
+    "OpMemberName": {
+      "opcode": 6,
+      "operands": [
+        {
+          "kind": "IdRef"
+        },
+        {
+          "kind": "LiteralInteger"
+        },
+        {
+          "kind": "LiteralString"
+        }
+      ]
+    },
+    "OpString": {
+      "opcode": 7,
+      "operands": [
+        {
+          "kind": "IdResult"
+        },
+        {
+          "kind": "LiteralString"
+        }
+      ]
+    },
+    "OpLine": {
+      "opcode": 8,
+      "operands": [
+        {
+          "kind": "IdRef"
+        },
+        {
+          "kind": "LiteralInteger"
+        },
+        {
+          "kind": "LiteralInteger"
+        }
+      ]
+    },
+    "OpExtension": {
+      "opcode": 10,
+      "operands": [
+        {
+          "kind": "LiteralString"
+        }
+      ]
+    },
+    "OpExtInstImport": {
+      "opcode": 11,
+      "operands": [
+        {
+          "kind": "IdResult"
+        },
+        {
+          "kind": "LiteralString"
+        }
+      ]
+    },
+    "OpExtInst": {
+      "opcode": 12,
+      "operands": [
+        {
+          "kind": "IdResultType"
+        },
+        {
+          "kind": "IdResult"
+        },
+        {
+          "kind": "IdRef"
+        },
+        {
+          "kind": "LiteralExtInstInteger"
+        },
+        {
+          "kind": "IdRef",
+          "quantifier": "*"
+        }
+      ]
+    },
+    "OpMemoryModel": {
+      "opcode": 14,
+      "operands": [
+        {
+          "kind": "AddressingModel"
+        },
+        {
+          "kind": "MemoryModel"
+        }
+      ]
+    },
+    "OpEntryPoint": {
+      "opcode": 15,
+      "operands": [
+        {
+          "kind": "ExecutionModel"
+        },
+        {
+          "kind": "IdRef"
+        },
+        {
+          "kind": "LiteralString"
+        },
+        {
+          "kind": "IdRef",
+          "quantifier": "*"
+        }
+      ]
+    },
+    "OpExecutionMode": {
+      "opcode": 16,
+      "operands": [
+        {
+          "kind": "IdRef"
+        },
+        {
+          "kind": "ExecutionMode"
+        }
+      ]
+    },
+    "OpCapability": {
+      "opcode": 17,
+      "operands": [
+        {
+          "kind": "Capability"
+        }
+      ]
+    },
+    "OpTypeVoid": {
+      "opcode": 19,
+      "operands": [
+        {
+          "kind": "IdResult"
+        }
+      ]
+    },
+    "OpTypeBool": {
+      "opcode": 20,
+      "operands": [
+        {
+          "kind": "IdResult"
+        }
+      ]
+    },
+    "OpTypeInt": {
+      "opcode": 21,
+      "operands": [
+        {
+          "kind": "IdResult"
+        },
+        {
+          "kind": "LiteralInteger"
+        },
+        {
+          "kind": "LiteralInteger"
+        }
+      ]
+    },
+    "OpTypeFloat": {
+      "opcode": 22,
+      "operands": [
+        {
+          "kind": "IdResult"
+        },
+        {
+          "kind": "LiteralInteger"
+        }
+      ]
+    },
+    "OpTypeVector": {
+      "opcode": 23,
+      "operands": [
+        {
+          "kind": "IdResult"
+        },
+        {
+          "kind": "IdRef"
+        },
+        {
+          "kind": "LiteralInteger"
+        }
+      ]
+    },
+    "OpTypeMatrix": {
+      "opcode": 24,
+      "operands": [
+        {
+          "kind": "IdResult"
+        },
+        {
+          "kind": "IdRef"
+        },
+        {
+          "kind": "LiteralInteger"
+        }
+      ]
+    },
+    "OpTypeImage": {
+      "opcode": 25,
+      "operands": [
+        {
+          "kind": "IdResult"
+        },
+        {
+          "kind": "IdRef"
+        },
+        {
+          "kind": "Dim"
+        },
+        {
+          "kind": "LiteralInteger"
+        },
+        {
+          "kind": "LiteralInteger"
+        },
+        {
+          "kind": "LiteralInteger"
+        },
+        {
+          "kind": "LiteralInteger"
+        },
+        {
+          "kind": "ImageFormat"
+        },
+        {
+          "kind": "AccessQualifier",
+          "quantifier": "?"
+        }
+      ]
+    },
+    "OpTypeSampler": {
+      "opcode": 26,
+      "operands": [
+        {
+          "kind": "IdResult"
+        }
+      ]
+    },
+    "OpTypeSampledImage": {
+      "opcode": 27,
+      "operands": [
+        {
+          "kind": "IdResult"
+        },
+        {
+          "kind": "IdRef"
+        }
+      ]
+    },
+    "OpTypeArray": {
+      "opcode": 28,
+      "operands": [
+        {
+          "kind": "IdResult"
+        },
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+        "NonPrivatePointerKHR": {
+          "value": 32
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+    "KernelProfilingInfo": {
+      "type": "BitEnum",
+      "values": {
+        "None": {
+          "value": 0
+        }
+      }
+    },
+    "SourceLanguage": {
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+      "values": {
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+        "HLSL": {
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+      }
+    },
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+      "values": {
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+        },
+        "Fragment": {
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+        },
+        "GLCompute": {
+          "value": 5
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+    "AddressingModel": {
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+      }
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+    "MemoryModel": {
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+        "GLSL450": {
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+        "Vulkan": {
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+        }
+      }
+    },
+    "ExecutionMode": {
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+      "values": {
+        "PixelCenterInteger": {
+          "value": 6
+        },
+        "OriginUpperLeft": {
+          "value": 7
+        },
+        "OriginLowerLeft": {
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+        "EarlyFragmentTests": {
+          "value": 9
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+        "DepthReplacing": {
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+        "DepthGreater": {
+          "value": 14
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+        "DepthLess": {
+          "value": 15
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+        "DepthUnchanged": {
+          "value": 16
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+        "LocalSize": {
+          "value": 17,
+          "params": [
+            "LiteralInteger",
+            "LiteralInteger",
+            "LiteralInteger"
+          ]
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+        "LocalSizeId": {
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+          "params": [
+            "IdRef",
+            "IdRef",
+            "IdRef"
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+        "Input": {
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+        "Uniform": {
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+        "Private": {
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+        "Function": {
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+        "PushConstant": {
+          "value": 9
+        },
+        "Image": {
+          "value": 11
+        },
+        "StorageBuffer": {
+          "value": 12
+        }
+      }
+    },
+    "Dim": {
+      "type": "ValueEnum",
+      "values": {
+        "1D": {
+          "value": 0
+        },
+        "2D": {
+          "value": 1
+        },
+        "3D": {
+          "value": 2
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+        "Cube": {
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+      }
+    },
+    "ImageFormat": {
+      "type": "ValueEnum",
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+        "Rgba32f": {
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+        "Rgba16f": {
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+        "Rgba8": {
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+        "Rgba8Snorm": {
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+        "Rgba32i": {
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+        "Centroid": {
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+        "NonReadable": {
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+          "params": [
+            "IdScope"
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+          "value": 32,
+          "params": [
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+          "params": [
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+          "value": 35,
+          "params": [
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+        "FPRoundingMode": {
+          "value": 39,
+          "params": [
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+        "NoContraction": {
+          "value": 42
+        },
+        "NoSignedWrap": {
+          "value": 4469
+        },
+        "NoUnsignedWrap": {
+          "value": 4470
+        },
+        "ExplicitInterpAMD": {
+          "value": 4999
+        },
+        "CounterBuffer": {
+          "value": 5634,
+          "params": [
+            "IdRef"
+          ]
+        },
+        "HlslCounterBufferGOOGLE": {
+          "value": 5634,
+          "params": [
+            "IdRef"
+          ]
+        },
+        "UserSemantic": {
+          "value": 5635,
+          "params": [
+            "LiteralString"
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+        },
+        "HlslSemanticGOOGLE": {
+          "value": 5635,
+          "params": [
+            "LiteralString"
+          ]
+        },
+        "UserTypeGOOGLE": {
+          "value": 5636,
+          "params": [
+            "LiteralString"
+          ]
+        }
+      }
+    },
+    "BuiltIn": {
+      "type": "ValueEnum",
+      "values": {
+        "Position": {
+          "value": 0
+        },
+        "PointSize": {
+          "value": 1
+        },
+        "VertexId": {
+          "value": 5
+        },
+        "InstanceId": {
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+        },
+        "FragCoord": {
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+        "PointCoord": {
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+        },
+        "FrontFacing": {
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+        },
+        "SampleMask": {
+          "value": 20
+        },
+        "FragDepth": {
+          "value": 22
+        },
+        "HelperInvocation": {
+          "value": 23
+        },
+        "NumWorkgroups": {
+          "value": 24
+        },
+        "WorkgroupSize": {
+          "value": 25
+        },
+        "WorkgroupId": {
+          "value": 26
+        },
+        "LocalInvocationId": {
+          "value": 27
+        },
+        "GlobalInvocationId": {
+          "value": 28
+        },
+        "LocalInvocationIndex": {
+          "value": 29
+        },
+        "VertexIndex": {
+          "value": 42
+        },
+        "InstanceIndex": {
+          "value": 43
+        },
+        "BaryCoordNoPerspAMD": {
+          "value": 4992
+        },
+        "BaryCoordNoPerspCentroidAMD": {
+          "value": 4993
+        },
+        "BaryCoordNoPerspSampleAMD": {
+          "value": 4994
+        },
+        "BaryCoordSmoothAMD": {
+          "value": 4995
+        },
+        "BaryCoordSmoothCentroidAMD": {
+          "value": 4996
+        },
+        "BaryCoordSmoothSampleAMD": {
+          "value": 4997
+        },
+        "BaryCoordPullModelAMD": {
+          "value": 4998
+        }
+      }
+    },
+    "Scope": {
+      "type": "ValueEnum",
+      "values": {
+        "CrossDevice": {
+          "value": 0
+        },
+        "Device": {
+          "value": 1
+        },
+        "Workgroup": {
+          "value": 2
+        },
+        "Subgroup": {
+          "value": 3
+        },
+        "Invocation": {
+          "value": 4
+        },
+        "QueueFamily": {
+          "value": 5
+        },
+        "QueueFamilyKHR": {
+          "value": 5
+        }
+      }
+    },
+    "Capability": {
+      "type": "ValueEnum",
+      "values": {
+        "Matrix": {
+          "value": 0
+        },
+        "Shader": {
+          "value": 1
+        },
+        "Geometry": {
+          "value": 2
+        },
+        "Tessellation": {
+          "value": 3
+        },
+        "Addresses": {
+          "value": 4
+        },
+        "Linkage": {
+          "value": 5
+        },
+        "Kernel": {
+          "value": 6
+        },
+        "Float16": {
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+        },
+        "Float64": {
+          "value": 10
+        },
+        "Int64": {
+          "value": 11
+        },
+        "Groups": {
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+        },
+        "AtomicStorage": {
+          "value": 21
+        },
+        "Int16": {
+          "value": 22
+        },
+        "ImageGatherExtended": {
+          "value": 25
+        },
+        "StorageImageMultisample": {
+          "value": 27
+        },
+        "UniformBufferArrayDynamicIndexing": {
+          "value": 28
+        },
+        "SampledImageArrayDynamicIndexing": {
+          "value": 29
+        },
+        "StorageBufferArrayDynamicIndexing": {
+          "value": 30
+        },
+        "StorageImageArrayDynamicIndexing": {
+          "value": 31
+        },
+        "ClipDistance": {
+          "value": 32
+        },
+        "CullDistance": {
+          "value": 33
+        },
+        "SampleRateShading": {
+          "value": 35
+        },
+        "SampledRect": {
+          "value": 37
+        },
+        "Int8": {
+          "value": 39
+        },
+        "InputAttachment": {
+          "value": 40
+        },
+        "SparseResidency": {
+          "value": 41
+        },
+        "MinLod": {
+          "value": 42
+        },
+        "Sampled1D": {
+          "value": 43
+        },
+        "Image1D": {
+          "value": 44
+        },
+        "SampledCubeArray": {
+          "value": 45
+        },
+        "SampledBuffer": {
+          "value": 46
+        },
+        "ImageMSArray": {
+          "value": 48
+        },
+        "StorageImageExtendedFormats": {
+          "value": 49
+        },
+        "ImageQuery": {
+          "value": 50
+        },
+        "DerivativeControl": {
+          "value": 51
+        },
+        "InterpolationFunction": {
+          "value": 52
+        },
+        "TransformFeedback": {
+          "value": 53
+        },
+        "StorageImageReadWithoutFormat": {
+          "value": 55
+        },
+        "StorageImageWriteWithoutFormat": {
+          "value": 56
+        },
+        "GroupNonUniform": {
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+        },
+        "ShaderLayer": {
+          "value": 69
+        },
+        "ShaderViewportIndex": {
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+        },
+        "SubgroupBallotKHR": {
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+        },
+        "DrawParameters": {
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+        },
+        "SubgroupVoteKHR": {
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+        },
+        "StorageBuffer16BitAccess": {
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+        },
+        "StorageUniformBufferBlock16": {
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+        },
+        "StoragePushConstant16": {
+          "value": 4435
+        },
+        "StorageInputOutput16": {
+          "value": 4436
+        },
+        "DeviceGroup": {
+          "value": 4437
+        },
+        "MultiView": {
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+        },
+        "VariablePointersStorageBuffer": {
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+        },
+        "AtomicStorageOps": {
+          "value": 4445
+        },
+        "SampleMaskPostDepthCoverage": {
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+        },
+        "StorageBuffer8BitAccess": {
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+        },
+        "StoragePushConstant8": {
+          "value": 4450
+        },
+        "DenormPreserve": {
+          "value": 4464
+        },
+        "DenormFlushToZero": {
+          "value": 4465
+        },
+        "SignedZeroInfNanPreserve": {
+          "value": 4466
+        },
+        "RoundingModeRTE": {
+          "value": 4467
+        },
+        "RoundingModeRTZ": {
+          "value": 4468
+        },
+        "Float16ImageAMD": {
+          "value": 5008
+        },
+        "ImageGatherBiasLodAMD": {
+          "value": 5009
+        },
+        "FragmentMaskAMD": {
+          "value": 5010
+        },
+        "StencilExportEXT": {
+          "value": 5013
+        },
+        "ImageReadWriteLodAMD": {
+          "value": 5015
+        },
+        "ShaderClockKHR": {
+          "value": 5055
+        },
+        "FragmentFullyCoveredEXT": {
+          "value": 5265
+        },
+        "MeshShadingNV": {
+          "value": 5266
+        },
+        "ImageFootprintNV": {
+          "value": 5282
+        },
+        "FragmentBarycentricNV": {
+          "value": 5284
+        },
+        "ComputeDerivativeGroupQuadsNV": {
+          "value": 5288
+        },
+        "FragmentDensityEXT": {
+          "value": 5291
+        },
+        "ShadingRateNV": {
+          "value": 5291
+        },
+        "GroupNonUniformPartitionedNV": {
+          "value": 5297
+        },
+        "ShaderNonUniform": {
+          "value": 5301
+        },
+        "ShaderNonUniformEXT": {
+          "value": 5301
+        },
+        "RuntimeDescriptorArray": {
+          "value": 5302
+        },
+        "RuntimeDescriptorArrayEXT": {
+          "value": 5302
+        },
+        "RayTracingNV": {
+          "value": 5340
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+        "VulkanMemoryModel": {
+          "value": 5345
+        },
+        "VulkanMemoryModelKHR": {
+          "value": 5345
+        },
+        "VulkanMemoryModelDeviceScope": {
+          "value": 5346
+        },
+        "VulkanMemoryModelDeviceScopeKHR": {
+          "value": 5346
+        },
+        "PhysicalStorageBufferAddresses": {
+          "value": 5347
+        },
+        "PhysicalStorageBufferAddressesEXT": {
+          "value": 5347
+        },
+        "ComputeDerivativeGroupLinearNV": {
+          "value": 5350
+        },
+        "CooperativeMatrixNV": {
+          "value": 5357
+        },
+        "FragmentShaderSampleInterlockEXT": {
+          "value": 5363
+        },
+        "FragmentShaderShadingRateInterlockEXT": {
+          "value": 5372
+        },
+        "ShaderSMBuiltinsNV": {
+          "value": 5373
+        },
+        "FragmentShaderPixelInterlockEXT": {
+          "value": 5378
+        },
+        "DemoteToHelperInvocationEXT": {
+          "value": 5379
+        },
+        "SubgroupShuffleINTEL": {
+          "value": 5568
+        },
+        "SubgroupBufferBlockIOINTEL": {
+          "value": 5569
+        },
+        "SubgroupImageBlockIOINTEL": {
+          "value": 5570
+        },
+        "SubgroupImageMediaBlockIOINTEL": {
+          "value": 5579
+        },
+        "IntegerFunctions2INTEL": {
+          "value": 5584
+        },
+        "SubgroupAvcMotionEstimationINTEL": {
+          "value": 5696
+        },
+        "SubgroupAvcMotionEstimationIntraINTEL": {
+          "value": 5697
+        },
+        "SubgroupAvcMotionEstimationChromaINTEL": {
+          "value": 5698
+        }
+      }
+    }
+  },
+  "ext": {
+    "Round": 1,
+    "RoundEven": 2,
+    "Trunc": 3,
+    "FAbs": 4,
+    "SAbs": 5,
+    "FSign": 6,
+    "SSign": 7,
+    "Floor": 8,
+    "Ceil": 9,
+    "Fract": 10,
+    "Radians": 11,
+    "Degrees": 12,
+    "Sin": 13,
+    "Cos": 14,
+    "Tan": 15,
+    "Asin": 16,
+    "Acos": 17,
+    "Atan": 18,
+    "Sinh": 19,
+    "Cosh": 20,
+    "Tanh": 21,
+    "Asinh": 22,
+    "Acosh": 23,
+    "Atanh": 24,
+    "Atan2": 25,
+    "Pow": 26,
+    "Exp": 27,
+    "Log": 28,
+    "Exp2": 29,
+    "Log2": 30,
+    "Sqrt": 31,
+    "InverseSqrt": 32,
+    "Determinant": 33,
+    "MatrixInverse": 34,
+    "Modf": 35,
+    "ModfStruct": 36,
+    "FMin": 37,
+    "UMin": 38,
+    "SMin": 39,
+    "FMax": 40,
+    "UMax": 41,
+    "SMax": 42,
+    "FClamp": 43,
+    "UClamp": 44,
+    "SClamp": 45,
+    "FMix": 46,
+    "IMix": 47,
+    "Step": 48,
+    "SmoothStep": 49,
+    "Fma": 50,
+    "Frexp": 51,
+    "FrexpStruct": 52,
+    "Ldexp": 53,
+    "PackSnorm4x8": 54,
+    "PackUnorm4x8": 55,
+    "PackSnorm2x16": 56,
+    "PackUnorm2x16": 57,
+    "PackHalf2x16": 58,
+    "PackDouble2x32": 59,
+    "UnpackSnorm2x16": 60,
+    "UnpackUnorm2x16": 61,
+    "UnpackHalf2x16": 62,
+    "UnpackSnorm4x8": 63,
+    "UnpackUnorm4x8": 64,
+    "UnpackDouble2x32": 65,
+    "Length": 66,
+    "Distance": 67,
+    "Cross": 68,
+    "Normalize": 69,
+    "FaceForward": 70,
+    "Reflect": 71,
+    "Refract": 72,
+    "FindILsb": 73,
+    "FindSMsb": 74,
+    "FindUMsb": 75,
+    "InterpolateAtCentroid": 76,
+    "InterpolateAtSample": 77,
+    "InterpolateAtOffset": 78,
+    "NMin": 79,
+    "NMax": 80,
+    "NClamp": 81
+  }
+}

diff --git a/tools/sva/src/sva.js b/tools/sva/src/sva.js
new file mode 100644
index 0000000..c76ed29
--- /dev/null
+++ b/tools/sva/src/sva.js

@@ -0,0 +1,40 @@
+// Copyright 2019 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import Parser from "./parser.js";
+import Lexer from "./lexer.js";
+import Assembler from "./assembler.js";
+
+import grammar from "./spirv.data.js";
+
+export default class SVA {
+  /**
+   * Attempts to convert |input| SPIR-V assembly into SPIR-V binary.
+   *
+   * @param {String} the input string containing the assembly
+   * @return {Uint32Array|string} returns a Uint32Array containing the binary
+   *                             SPIR-V or a string on error.
+   */
+  static assemble(input) {
+    let l = new Lexer(input);
+    let p = new Parser(grammar, l);
+
+    let ast = p.parse();
+    if (ast === undefined)
+      return p.error;
+
+    let a = new Assembler(ast);
+    return a.assemble();
+  }
+}

diff --git a/tools/sva/src/token.js b/tools/sva/src/token.js
new file mode 100644
index 0000000..3813191
--- /dev/null
+++ b/tools/sva/src/token.js

@@ -0,0 +1,55 @@
+// Copyright 2019 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+const TokenType = {
+  kEOF: "end of file",
+  kError: "error",
+
+  kIdentifier: "identifier",
+
+  kIntegerLiteral: "integer_literal",
+  kFloatLiteral: "float_literal",
+  kStringLiteral: "string_literal",
+  kResultId: "result_id",
+
+  kOp: "Op",
+  kEqual: "=",
+  kPipe: "|",
+};
+
+class Token {
+  /**
+   * @param {TokenType} type The type of token
+   * @param {Integer} line The line number this token was on
+   * @param {Any} data Data attached to the token
+   * @param {Integer} bits If the type is a float or integer the bit width
+   */
+  constructor(type, line, data) {
+    this.type_ = type;
+    this.line_ = line;
+    this.data_ = data;
+    this.bits_ = 0;
+  }
+
+  get type() { return this.type_; }
+  get line() { return this.line_; }
+
+  get data() { return this.data_; }
+  set data(val) { this.data_ = val; }
+
+  get bits() { return this.bits_; }
+  set bits(val) { this.bits_ = val; }
+}
+
+export {Token, TokenType};

diff --git a/tools/sva/tests/empty_main.spv_asm b/tools/sva/tests/empty_main.spv_asm
new file mode 100644
index 0000000..ad6e64b
--- /dev/null
+++ b/tools/sva/tests/empty_main.spv_asm

@@ -0,0 +1,18 @@
+; SPIR-V
+; Version: 1.0
+; Generator: Khronos Glslang Reference Front End; 7
+; Bound: 6
+; Schema: 0
+               OpCapability Shader
+          %1 = OpExtInstImport "GLSL.std.450"
+               OpMemoryModel Logical GLSL450
+               OpEntryPoint Fragment %main "main"
+               OpExecutionMode %main OriginUpperLeft
+               OpSource GLSL 440
+               OpName %main "main"
+       %void = OpTypeVoid
+          %3 = OpTypeFunction %void
+       %main = OpFunction %void None %3
+          %5 = OpLabel
+               OpReturn
+               OpFunctionEnd

diff --git a/tools/sva/tests/index.html b/tools/sva/tests/index.html
new file mode 100644
index 0000000..dd02847
--- /dev/null
+++ b/tools/sva/tests/index.html

@@ -0,0 +1,23 @@
+<!doctype html>
+<html>
+<head>
+  <meta charset='utf-8'>
+</head>
+<body>
+  <pre id='code'><code></code></pre>
+
+  <script type="module">
+    let c = document.getElementById('code');
+
+    import SVA from "/build/sva.js";
+
+    let assembly = SVA.assemble("OpCapability Shader");
+    if (typeof assembly === "string") {
+      c.innerText = assembly;
+    } else {
+      c.innerText = Array.from(assembly)
+        .map(b => b.toString(16).padStart(8, "0")).join(" ");
+    }
+  </script>
+</body>
+</html>

diff --git a/tools/sva/tests/simple.spv_asm b/tools/sva/tests/simple.spv_asm
new file mode 100644
index 0000000..b4b3f67
--- /dev/null
+++ b/tools/sva/tests/simple.spv_asm

@@ -0,0 +1,30 @@
+; SPIR-V
+; Version: 1.0
+; Generator: Khronos Glslang Reference Front End; 7
+; Bound: 14
+; Schema: 0
+               OpCapability Shader
+          %1 = OpExtInstImport "GLSL.std.450"
+               OpMemoryModel Logical GLSL450
+               OpEntryPoint Fragment %main "main" %gl_FragColor
+               OpExecutionMode %main OriginUpperLeft
+               OpSource GLSL 330
+               OpName %main "main"
+               OpName %gl_FragColor "gl_FragColor"
+               OpDecorate %gl_FragColor Location 0
+       %void = OpTypeVoid
+          %3 = OpTypeFunction %void
+      %float = OpTypeFloat 32
+    %v4float = OpTypeVector %float 4
+%_ptr_Output_v4float = OpTypePointer Output %v4float
+%gl_FragColor = OpVariable %_ptr_Output_v4float Output
+%float_0_400000006 = OpConstant %float 0.400000006
+%float_0_800000012 = OpConstant %float 0.800000012
+    %float_1 = OpConstant %float 1
+         %13 = OpConstantComposite %v4float %float_0_400000006 %float_0_400000006 %float_0_800000012 %float_1
+       %main = OpFunction %void None %3
+          %5 = OpLabel
+               OpStore %gl_FragColor %13
+               OpReturn
+               OpFunctionEnd
+

diff --git a/tools/sva/tools/process_grammar.rb b/tools/sva/tools/process_grammar.rb
new file mode 100755
index 0000000..1bbff68
--- /dev/null
+++ b/tools/sva/tools/process_grammar.rb

@@ -0,0 +1,119 @@
+#!/usr/bin/env ruby
+
+# Copyright 2019 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+require 'json'
+
+GRAMMAR = "../../external/spirv-headers/include/spirv/unified1/spirv.core.grammar.json"
+GLSL = "../../external/spirv-headers/include/spirv/unified1/extinst.glsl.std.450.grammar.json"
+
+CAPABILITIES = %w(
+      Matrix
+      Shader
+      Sampled1D
+      Image1D
+      DerivativeControl
+      ImageQuery
+      VulkanMemoryModel
+)
+
+g = JSON.parse(File.open(GRAMMAR).read)
+magic = g['magic_number']
+vers = [g['major_version'], g['minor_version']]
+instructions = {}
+
+g['instructions'].each do |inst|
+  if (inst.has_key?('capabilities'))
+    skip = true
+    inst['capabilities'].each do |cap|
+      if CAPABILITIES.include?(cap)
+        skip = false
+        break
+      end
+    end
+    next if skip
+  end
+
+  op = {
+    opcode: inst['opcode'],
+    operands: []
+  }
+
+  if !inst['operands'].nil?
+    inst['operands'].each do |operand|
+      operand.delete('name')
+      op[:operands] << operand
+    end
+  end
+
+  instructions[inst['opname']] = op
+end
+
+operand_kinds = {}
+g['operand_kinds'].each do |op_kind|
+  next if op_kind['category'] !~ /Enum/
+
+  kind = {
+    type: op_kind['category'],
+    values: {}
+  }
+
+  op_kind['enumerants'].each do |enum|
+    if (enum.has_key?('capabilities'))
+      skip = true
+      enum['capabilities'].each do |cap|
+        if CAPABILITIES.include?(cap)
+          skip = false
+          break
+        end
+      end
+      next if skip
+    end
+
+    v = if op_kind['category'] == 'BitEnum'
+      enum['value'].to_i(16)
+    else
+      enum['value'].to_i
+    end
+    params = []
+    if enum.has_key?('parameters')
+      enum['parameters'].each do |param|
+        params << param['kind']
+      end
+    end
+    kind[:values][enum['enumerant']] = {value: v}
+    kind[:values][enum['enumerant']][:params] = params unless params.empty?
+  end
+
+  next if kind[:values].empty?
+  operand_kinds[op_kind['kind']] = kind
+end
+
+# We only support GLSL extensions at the moment.
+ext = {}
+glsl = JSON.parse(File.open(GLSL).read)
+glsl['instructions'].each do |inst|
+  ext[inst['opname']] = inst['opcode']
+end
+
+puts "/*#{g['copyright'].join("\n")}*/"
+puts "\n// THIS FILE IS GENERATED WITH tools/process_grammar.rb\n\n"
+puts "export default " + JSON.pretty_generate({
+  magic: magic,
+  version: vers,
+  instructions: instructions,
+  operand_kinds: operand_kinds,
+  ext: ext
+})

diff --git a/tools/sva/yarn.lock b/tools/sva/yarn.lock
new file mode 100644
index 0000000..be19e7c
--- /dev/null
+++ b/tools/sva/yarn.lock

@@ -0,0 +1,1778 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+"@babel/code-frame@^7.0.0":
+  version "7.5.5"
+  resolved "https://registry.yarnpkg.com/@babel/code-frame/-/code-frame-7.5.5.tgz#bc0782f6d69f7b7d49531219699b988f669a8f9d"
+  integrity sha512-27d4lZoomVyo51VegxI20xZPuSHusqbQag/ztrBC7wegWoQ1nLREPVSKSW8byhTlzTKyNE4ifaTA6lCp7JjpFw==
+  dependencies:
+    "@babel/highlight" "^7.0.0"
+
+"@babel/highlight@^7.0.0":
+  version "7.5.0"
+  resolved "https://registry.yarnpkg.com/@babel/highlight/-/highlight-7.5.0.tgz#56d11312bd9248fa619591d02472be6e8cb32540"
+  integrity sha512-7dV4eu9gBxoM0dAnj/BCFDW9LFU0zvTrkq0ugM7pnHEgguOEeOz1so2ZghEdzviYzQEED0r4EAgpsBChKy1TRQ==
+  dependencies:
+    chalk "^2.0.0"
+    esutils "^2.0.2"
+    js-tokens "^4.0.0"
+
+"@types/estree@0.0.39":
+  version "0.0.39"
+  resolved "https://registry.yarnpkg.com/@types/estree/-/estree-0.0.39.tgz#e177e699ee1b8c22d23174caaa7422644389509f"
+  integrity sha512-EYNwp3bU+98cpU4lAWYYL7Zz+2gryWH1qbdDTidVd6hkiR6weksdbMadyXKXNPEkQFhXM+hVO9ZygomHXp+AIw==
+
+"@types/node@^12.7.5":
+  version "12.7.5"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-12.7.5.tgz#e19436e7f8e9b4601005d73673b6dc4784ffcc2f"
+  integrity sha512-9fq4jZVhPNW8r+UYKnxF1e2HkDWOWKM5bC2/7c9wPV835I0aOrVbS/Hw/pWPk2uKrNXQqg9Z959Kz+IYDd5p3w==
+
+"@zeit/schemas@2.6.0":
+  version "2.6.0"
+  resolved "https://registry.yarnpkg.com/@zeit/schemas/-/schemas-2.6.0.tgz#004e8e553b4cd53d538bd38eac7bcbf58a867fe3"
+  integrity sha512-uUrgZ8AxS+Lio0fZKAipJjAh415JyrOZowliZAzmnJSsf7piVL5w+G0+gFJ0KSu3QRhvui/7zuvpLz03YjXAhg==
+
+accepts@~1.3.5:
+  version "1.3.7"
+  resolved "https://registry.yarnpkg.com/accepts/-/accepts-1.3.7.tgz#531bc726517a3b2b41f850021c6cc15eaab507cd"
+  integrity sha512-Il80Qs2WjYlJIBNzNkK6KYqlVMTbZLXgHx2oT0pU/fjRHyEp+PEfEPY0R3WCwAGVOtauxh1hOxNgIf5bv7dQpA==
+  dependencies:
+    mime-types "~2.1.24"
+    negotiator "0.6.2"
+
+acorn-jsx@^5.0.2:
+  version "5.0.2"
+  resolved "https://registry.yarnpkg.com/acorn-jsx/-/acorn-jsx-5.0.2.tgz#84b68ea44b373c4f8686023a551f61a21b7c4a4f"
+  integrity sha512-tiNTrP1MP0QrChmD2DdupCr6HWSFeKVw5d/dHTu4Y7rkAkRhU/Dt7dphAfIUyxtHpl/eBVip5uTNSpQJHylpAw==
+
+acorn@^7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-7.0.0.tgz#26b8d1cd9a9b700350b71c0905546f64d1284e7a"
+  integrity sha512-PaF/MduxijYYt7unVGRuds1vBC9bFxbNf+VWqhOClfdgy7RlVkQqt610ig1/yxTgsDIfW1cWDel5EBbOy3jdtQ==
+
+ajv@6.5.3:
+  version "6.5.3"
+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.5.3.tgz#71a569d189ecf4f4f321224fecb166f071dd90f9"
+  integrity sha512-LqZ9wY+fx3UMiiPd741yB2pj3hhil+hQc8taf4o2QGRFpWgZ2V5C8HA165DY9sS3fJwsk7uT7ZlFEyC3Ig3lLg==
+  dependencies:
+    fast-deep-equal "^2.0.1"
+    fast-json-stable-stringify "^2.0.0"
+    json-schema-traverse "^0.4.1"
+    uri-js "^4.2.2"
+
+ajv@^6.10.0, ajv@^6.10.2:
+  version "6.10.2"
+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.10.2.tgz#d3cea04d6b017b2894ad69040fec8b623eb4bd52"
+  integrity sha512-TXtUUEYHuaTEbLZWIKUr5pmBuhDLy+8KYtPYdcV8qC+pOZL+NKqYwvWSRrVXHn+ZmRRAu8vJTAznH7Oag6RVRw==
+  dependencies:
+    fast-deep-equal "^2.0.1"
+    fast-json-stable-stringify "^2.0.0"
+    json-schema-traverse "^0.4.1"
+    uri-js "^4.2.2"
+
+ansi-align@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/ansi-align/-/ansi-align-2.0.0.tgz#c36aeccba563b89ceb556f3690f0b1d9e3547f7f"
+  integrity sha1-w2rsy6VjuJzrVW82kPCx2eNUf38=
+  dependencies:
+    string-width "^2.0.0"
+
+ansi-colors@3.2.3:
+  version "3.2.3"
+  resolved "https://registry.yarnpkg.com/ansi-colors/-/ansi-colors-3.2.3.tgz#57d35b8686e851e2cc04c403f1c00203976a1813"
+  integrity sha512-LEHHyuhlPY3TmuUYMh2oz89lTShfvgbmzaBcxve9t/9Wuy7Dwf4yoAKcND7KFT1HAQfqZ12qtc+DUrBMeKF9nw==
+
+ansi-escapes@^3.2.0:
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/ansi-escapes/-/ansi-escapes-3.2.0.tgz#8780b98ff9dbf5638152d1f1fe5c1d7b4442976b"
+  integrity sha512-cBhpre4ma+U0T1oM5fXg7Dy1Jw7zzwv7lt/GoCpr+hDQJoYnKVPLL4dCvSEFMmQurOQvSrwT7SL/DAlhBI97RQ==
+
+ansi-regex@^2.0.0:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-2.1.1.tgz#c3b33ab5ee360d86e0e628f0468ae7ef27d654df"
+  integrity sha1-w7M6te42DYbg5ijwRorn7yfWVN8=
+
+ansi-regex@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-3.0.0.tgz#ed0317c322064f79466c02966bddb605ab37d998"
+  integrity sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=
+
+ansi-regex@^4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-4.1.0.tgz#8b9f8f08cf1acb843756a839ca8c7e3168c51997"
+  integrity sha512-1apePfXM1UOSqw0o9IiFAovVz9M5S1Dg+4TrDwfMewQ6p/rmMueb7tWZjQ1rx4Loy1ArBggoqGpfqqdI4rondg==
+
+ansi-styles@^3.2.0, ansi-styles@^3.2.1:
+  version "3.2.1"
+  resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-3.2.1.tgz#41fbb20243e50b12be0f04b8dedbf07520ce841d"
+  integrity sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==
+  dependencies:
+    color-convert "^1.9.0"
+
+arch@^2.1.0:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/arch/-/arch-2.1.1.tgz#8f5c2731aa35a30929221bb0640eed65175ec84e"
+  integrity sha512-BLM56aPo9vLLFVa8+/+pJLnrZ7QGGTVHWsCwieAWT9o9K8UeGaQbzZbGoabWLOo2ksBCztoXdqBZBplqLDDCSg==
+
+arg@2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/arg/-/arg-2.0.0.tgz#c06e7ff69ab05b3a4a03ebe0407fac4cba657545"
+  integrity sha512-XxNTUzKnz1ctK3ZIcI2XUPlD96wbHP2nGqkPKpvk/HNRlPveYrXIVSTk9m3LcqOgDPg3B1nMvdV/K8wZd7PG4w==
+
+argparse@^1.0.7:
+  version "1.0.10"
+  resolved "https://registry.yarnpkg.com/argparse/-/argparse-1.0.10.tgz#bcd6791ea5ae09725e17e5ad988134cd40b3d911"
+  integrity sha512-o5Roy6tNG4SL/FOkCAN6RzjiakZS25RLYFrcMttJqbdd8BWrnA+fGz57iN5Pb06pvBGvl5gQ0B48dJlslXvoTg==
+  dependencies:
+    sprintf-js "~1.0.2"
+
+assertion-error@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/assertion-error/-/assertion-error-1.1.0.tgz#e60b6b0e8f301bd97e5375215bda406c85118c0b"
+  integrity sha512-jgsaNduz+ndvGyFt3uSuWqvy4lCnIJiovtouQN5JZHOKCS2QuhEdbcQHFhVksz2N2U9hXJo8odG7ETyWlEeuDw==
+
+astral-regex@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/astral-regex/-/astral-regex-1.0.0.tgz#6c8c3fb827dd43ee3918f27b82782ab7658a6fd9"
+  integrity sha512-+Ryf6g3BKoRc7jfp7ad8tM4TtMiaWvbF/1/sQcZPkkS7ag3D5nMBCe2UfOTONtAkaG0tO0ij3C5Lwmf1EiyjHg==
+
+balanced-match@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
+  integrity sha1-ibTRmasr7kneFk6gK4nORi1xt2c=
+
+boxen@1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/boxen/-/boxen-1.3.0.tgz#55c6c39a8ba58d9c61ad22cd877532deb665a20b"
+  integrity sha512-TNPjfTr432qx7yOjQyaXm3dSR0MH9vXp7eT1BFSl/C51g+EFnOR9hTg1IreahGBmDNCehscshe45f+C1TBZbLw==
+  dependencies:
+    ansi-align "^2.0.0"
+    camelcase "^4.0.0"
+    chalk "^2.0.1"
+    cli-boxes "^1.0.0"
+    string-width "^2.0.0"
+    term-size "^1.2.0"
+    widest-line "^2.0.0"
+
+brace-expansion@^1.1.7:
+  version "1.1.11"
+  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.11.tgz#3c7fcbf529d87226f3d2f52b966ff5271eb441dd"
+  integrity sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==
+  dependencies:
+    balanced-match "^1.0.0"
+    concat-map "0.0.1"
+
+browser-stdout@1.3.1:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/browser-stdout/-/browser-stdout-1.3.1.tgz#baa559ee14ced73452229bad7326467c61fabd60"
+  integrity sha512-qhAVI1+Av2X7qelOfAIYwXONood6XlZE/fXaBSmW/T5SzLAmCgzi+eiWE7fUvbHaeNBQH13UftjpXxsfLkMpgw==
+
+bytes@3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/bytes/-/bytes-3.0.0.tgz#d32815404d689699f85a4ea4fa8755dd13a96048"
+  integrity sha1-0ygVQE1olpn4Wk6k+odV3ROpYEg=
+
+callsites@^3.0.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/callsites/-/callsites-3.1.0.tgz#b3630abd8943432f54b3f0519238e33cd7df2f73"
+  integrity sha512-P8BjAsXvZS+VIDUI11hHCQEv74YT67YUi5JJFNWIqL235sBmjX4+qx9Muvls5ivyNENctx46xQLQ3aTuE7ssaQ==
+
+camelcase@^4.0.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-4.1.0.tgz#d545635be1e33c542649c69173e5de6acfae34dd"
+  integrity sha1-1UVjW+HjPFQmScaRc+Xeas+uNN0=
+
+camelcase@^5.0.0:
+  version "5.3.1"
+  resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-5.3.1.tgz#e3c9b31569e106811df242f715725a1f4c494320"
+  integrity sha512-L28STB170nwWS63UjtlEOE3dldQApaJXZkOI1uMFfzf3rRuPegHaHesyee+YxQ+W6SvRDQV6UrdOdRiR153wJg==
+
+chai@^4.2.0:
+  version "4.2.0"
+  resolved "https://registry.yarnpkg.com/chai/-/chai-4.2.0.tgz#760aa72cf20e3795e84b12877ce0e83737aa29e5"
+  integrity sha512-XQU3bhBukrOsQCuwZndwGcCVQHyZi53fQ6Ys1Fym7E4olpIqqZZhhoFJoaKVvV17lWQoXYwgWN2nF5crA8J2jw==
+  dependencies:
+    assertion-error "^1.1.0"
+    check-error "^1.0.2"
+    deep-eql "^3.0.1"
+    get-func-name "^2.0.0"
+    pathval "^1.1.0"
+    type-detect "^4.0.5"
+
+chalk@2.4.1:
+  version "2.4.1"
+  resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.4.1.tgz#18c49ab16a037b6eb0152cc83e3471338215b66e"
+  integrity sha512-ObN6h1v2fTJSmUXoS3nMQ92LbDK9be4TV+6G+omQlGJFdcUX5heKi1LZ1YnRMIgwTLEj3E24bT6tYni50rlCfQ==
+  dependencies:
+    ansi-styles "^3.2.1"
+    escape-string-regexp "^1.0.5"
+    supports-color "^5.3.0"
+
+chalk@^2.0.0, chalk@^2.0.1, chalk@^2.1.0, chalk@^2.4.2:
+  version "2.4.2"
+  resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.4.2.tgz#cd42541677a54333cf541a49108c1432b44c9424"
+  integrity sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==
+  dependencies:
+    ansi-styles "^3.2.1"
+    escape-string-regexp "^1.0.5"
+    supports-color "^5.3.0"
+
+chardet@^0.7.0:
+  version "0.7.0"
+  resolved "https://registry.yarnpkg.com/chardet/-/chardet-0.7.0.tgz#90094849f0937f2eedc2425d0d28a9e5f0cbad9e"
+  integrity sha512-mT8iDcrh03qDGRRmoA2hmBJnxpllMR+0/0qlzjqZES6NdiWDcZkCNAk4rPFZ9Q85r27unkiNNg8ZOiwZXBHwcA==
+
+check-error@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/check-error/-/check-error-1.0.2.tgz#574d312edd88bb5dd8912e9286dd6c0aed4aac82"
+  integrity sha1-V00xLt2Iu13YkS6Sht1sCu1KrII=
+
+cli-boxes@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/cli-boxes/-/cli-boxes-1.0.0.tgz#4fa917c3e59c94a004cd61f8ee509da651687143"
+  integrity sha1-T6kXw+WclKAEzWH47lCdplFocUM=
+
+cli-cursor@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/cli-cursor/-/cli-cursor-2.1.0.tgz#b35dac376479facc3e94747d41d0d0f5238ffcb5"
+  integrity sha1-s12sN2R5+sw+lHR9QdDQ9SOP/LU=
+  dependencies:
+    restore-cursor "^2.0.0"
+
+cli-width@^2.0.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/cli-width/-/cli-width-2.2.0.tgz#ff19ede8a9a5e579324147b0c11f0fbcbabed639"
+  integrity sha1-/xnt6Kml5XkyQUewwR8PvLq+1jk=
+
+clipboardy@1.2.3:
+  version "1.2.3"
+  resolved "https://registry.yarnpkg.com/clipboardy/-/clipboardy-1.2.3.tgz#0526361bf78724c1f20be248d428e365433c07ef"
+  integrity sha512-2WNImOvCRe6r63Gk9pShfkwXsVtKCroMAevIbiae021mS850UkWPbevxsBz3tnvjZIEGvlwaqCPsw+4ulzNgJA==
+  dependencies:
+    arch "^2.1.0"
+    execa "^0.8.0"
+
+cliui@^4.0.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/cliui/-/cliui-4.1.0.tgz#348422dbe82d800b3022eef4f6ac10bf2e4d1b49"
+  integrity sha512-4FG+RSG9DL7uEwRUZXZn3SS34DiDPfzP0VOiEwtUWlE+AR2EIg+hSyvrIgUUfhdgR/UkAeW2QHgeP+hWrXs7jQ==
+  dependencies:
+    string-width "^2.1.1"
+    strip-ansi "^4.0.0"
+    wrap-ansi "^2.0.0"
+
+code-point-at@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/code-point-at/-/code-point-at-1.1.0.tgz#0d070b4d043a5bea33a2f1a40e2edb3d9a4ccf77"
+  integrity sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c=
+
+color-convert@^1.9.0:
+  version "1.9.3"
+  resolved "https://registry.yarnpkg.com/color-convert/-/color-convert-1.9.3.tgz#bb71850690e1f136567de629d2d5471deda4c1e8"
+  integrity sha512-QfAUtd+vFdAtFQcC8CCyYt1fYWxSqAiK2cSD6zDB8N3cpsEBAvRxp9zOGg6G/SHHJYAT88/az/IuDGALsNVbGg==
+  dependencies:
+    color-name "1.1.3"
+
+color-name@1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/color-name/-/color-name-1.1.3.tgz#a7d0558bd89c42f795dd42328f740831ca53bc25"
+  integrity sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=
+
+compressible@~2.0.14:
+  version "2.0.17"
+  resolved "https://registry.yarnpkg.com/compressible/-/compressible-2.0.17.tgz#6e8c108a16ad58384a977f3a482ca20bff2f38c1"
+  integrity sha512-BGHeLCK1GV7j1bSmQQAi26X+GgWcTjLr/0tzSvMCl3LH1w1IJ4PFSPoV5316b30cneTziC+B1a+3OjoSUcQYmw==
+  dependencies:
+    mime-db ">= 1.40.0 < 2"
+
+compression@1.7.3:
+  version "1.7.3"
+  resolved "https://registry.yarnpkg.com/compression/-/compression-1.7.3.tgz#27e0e176aaf260f7f2c2813c3e440adb9f1993db"
+  integrity sha512-HSjyBG5N1Nnz7tF2+O7A9XUhyjru71/fwgNb7oIsEVHR0WShfs2tIS/EySLgiTe98aOK18YDlMXpzjCXY/n9mg==
+  dependencies:
+    accepts "~1.3.5"
+    bytes "3.0.0"
+    compressible "~2.0.14"
+    debug "2.6.9"
+    on-headers "~1.0.1"
+    safe-buffer "5.1.2"
+    vary "~1.1.2"
+
+concat-map@0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
+  integrity sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=
+
+content-disposition@0.5.2:
+  version "0.5.2"
+  resolved "https://registry.yarnpkg.com/content-disposition/-/content-disposition-0.5.2.tgz#0cf68bb9ddf5f2be7961c3a85178cb85dba78cb4"
+  integrity sha1-DPaLud318r55YcOoUXjLhdunjLQ=
+
+cross-spawn@^5.0.1:
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-5.1.0.tgz#e8bd0efee58fcff6f8f94510a0a554bbfa235449"
+  integrity sha1-6L0O/uWPz/b4+UUQoKVUu/ojVEk=
+  dependencies:
+    lru-cache "^4.0.1"
+    shebang-command "^1.2.0"
+    which "^1.2.9"
+
+cross-spawn@^6.0.0, cross-spawn@^6.0.5:
+  version "6.0.5"
+  resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-6.0.5.tgz#4a5ec7c64dfae22c3a14124dbacdee846d80cbc4"
+  integrity sha512-eTVLrBSt7fjbDygz805pMnstIs2VTBNkRm0qxZd+M7A5XDdxVRWO5MxGBXZhjY4cqLYLdtrGqRf8mBPmzwSpWQ==
+  dependencies:
+    nice-try "^1.0.4"
+    path-key "^2.0.1"
+    semver "^5.5.0"
+    shebang-command "^1.2.0"
+    which "^1.2.9"
+
+debug@2.6.9:
+  version "2.6.9"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.9.tgz#5d128515df134ff327e90a4c93f4e077a536341f"
+  integrity sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==
+  dependencies:
+    ms "2.0.0"
+
+debug@3.2.6:
+  version "3.2.6"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-3.2.6.tgz#e83d17de16d8a7efb7717edbe5fb10135eee629b"
+  integrity sha512-mel+jf7nrtEl5Pn1Qx46zARXKDpBbvzezse7p7LqINmdoIk8PYP5SySaxEmYv6TZ0JyEKA1hsCId6DIhgITtWQ==
+  dependencies:
+    ms "^2.1.1"
+
+debug@^4.0.1:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-4.1.1.tgz#3b72260255109c6b589cee050f1d516139664791"
+  integrity sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==
+  dependencies:
+    ms "^2.1.1"
+
+decamelize@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
+  integrity sha1-9lNNFRSCabIDUue+4m9QH5oZEpA=
+
+deep-eql@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/deep-eql/-/deep-eql-3.0.1.tgz#dfc9404400ad1c8fe023e7da1df1c147c4b444df"
+  integrity sha512-+QeIQyN5ZuO+3Uk5DYh6/1eKO0m0YmJFGNmFHGACpf1ClL1nmlV/p4gNgbl2pJGxgXb4faqo6UE+M5ACEMyVcw==
+  dependencies:
+    type-detect "^4.0.0"
+
+deep-extend@^0.6.0:
+  version "0.6.0"
+  resolved "https://registry.yarnpkg.com/deep-extend/-/deep-extend-0.6.0.tgz#c4fa7c95404a17a9c3e8ca7e1537312b736330ac"
+  integrity sha512-LOHxIOaPYdHlJRtCQfDIVZtfw/ufM8+rVj649RIHzcm/vGwQRXFt6OPqIFWsm2XEMrNIEtWR64sY1LEKD2vAOA==
+
+deep-is@~0.1.3:
+  version "0.1.3"
+  resolved "https://registry.yarnpkg.com/deep-is/-/deep-is-0.1.3.tgz#b369d6fb5dbc13eecf524f91b070feedc357cf34"
+  integrity sha1-s2nW+128E+7PUk+RsHD+7cNXzzQ=
+
+define-properties@^1.1.2, define-properties@^1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/define-properties/-/define-properties-1.1.3.tgz#cf88da6cbee26fe6db7094f61d870cbd84cee9f1"
+  integrity sha512-3MqfYKj2lLzdMSf8ZIZE/V+Zuy+BgD6f164e8K2w7dgnpKArBDerGYpM46IYYcjnkdPNMjPk9A6VFB8+3SKlXQ==
+  dependencies:
+    object-keys "^1.0.12"
+
+diff@3.5.0:
+  version "3.5.0"
+  resolved "https://registry.yarnpkg.com/diff/-/diff-3.5.0.tgz#800c0dd1e0a8bfbc95835c202ad220fe317e5a12"
+  integrity sha512-A46qtFgd+g7pDZinpnwiRJtxbC1hpgf0uzP3iG89scHk0AUC7A1TGxf5OiiOUv/JMZR8GOt8hL900hV0bOy5xA==
+
+doctrine@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/doctrine/-/doctrine-3.0.0.tgz#addebead72a6574db783639dc87a121773973961"
+  integrity sha512-yS+Q5i3hBf7GBkd4KG8a7eBNNWNGLTaEwwYWUijIYM7zrlYDM0BFXHjjPWlWZ1Rg7UaddZeIDmi9jF3HmqiQ2w==
+  dependencies:
+    esutils "^2.0.2"
+
+emoji-regex@^7.0.1:
+  version "7.0.3"
+  resolved "https://registry.yarnpkg.com/emoji-regex/-/emoji-regex-7.0.3.tgz#933a04052860c85e83c122479c4748a8e4c72156"
+  integrity sha512-CwBLREIQ7LvYFB0WyRvwhq5N5qPhc6PMjD6bYggFlI5YyDgl+0vxq5VHbMOFqLg7hfWzmu8T5Z1QofhmTIhItA==
+
+end-of-stream@^1.1.0:
+  version "1.4.1"
+  resolved "https://registry.yarnpkg.com/end-of-stream/-/end-of-stream-1.4.1.tgz#ed29634d19baba463b6ce6b80a37213eab71ec43"
+  integrity sha512-1MkrZNvWTKCaigbn+W15elq2BB/L22nqrSY5DKlo3X6+vclJm8Bb5djXJBmEX6fS3+zCh/F4VBK5Z2KxJt4s2Q==
+  dependencies:
+    once "^1.4.0"
+
+es-abstract@^1.5.1:
+  version "1.14.2"
+  resolved "https://registry.yarnpkg.com/es-abstract/-/es-abstract-1.14.2.tgz#7ce108fad83068c8783c3cdf62e504e084d8c497"
+  integrity sha512-DgoQmbpFNOofkjJtKwr87Ma5EW4Dc8fWhD0R+ndq7Oc456ivUfGOOP6oAZTTKl5/CcNMP+EN+e3/iUzgE0veZg==
+  dependencies:
+    es-to-primitive "^1.2.0"
+    function-bind "^1.1.1"
+    has "^1.0.3"
+    has-symbols "^1.0.0"
+    is-callable "^1.1.4"
+    is-regex "^1.0.4"
+    object-inspect "^1.6.0"
+    object-keys "^1.1.1"
+    string.prototype.trimleft "^2.0.0"
+    string.prototype.trimright "^2.0.0"
+
+es-to-primitive@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/es-to-primitive/-/es-to-primitive-1.2.0.tgz#edf72478033456e8dda8ef09e00ad9650707f377"
+  integrity sha512-qZryBOJjV//LaxLTV6UC//WewneB3LcXOL9NP++ozKVXsIIIpm/2c13UDiD9Jp2eThsecw9m3jPqDwTyobcdbg==
+  dependencies:
+    is-callable "^1.1.4"
+    is-date-object "^1.0.1"
+    is-symbol "^1.0.2"
+
+escape-string-regexp@1.0.5, escape-string-regexp@^1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz#1b61c0562190a8dff6ae3bb2cf0200ca130b86d4"
+  integrity sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ=
+
+eslint-scope@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/eslint-scope/-/eslint-scope-5.0.0.tgz#e87c8887c73e8d1ec84f1ca591645c358bfc8fb9"
+  integrity sha512-oYrhJW7S0bxAFDvWqzvMPRm6pcgcnWc4QnofCAqRTRfQC0JcwenzGglTtsLyIuuWFfkqDG9vz67cnttSd53djw==
+  dependencies:
+    esrecurse "^4.1.0"
+    estraverse "^4.1.1"
+
+eslint-utils@^1.4.2:
+  version "1.4.2"
+  resolved "https://registry.yarnpkg.com/eslint-utils/-/eslint-utils-1.4.2.tgz#166a5180ef6ab7eb462f162fd0e6f2463d7309ab"
+  integrity sha512-eAZS2sEUMlIeCjBeubdj45dmBHQwPHWyBcT1VSYB7o9x9WRRqKxyUoiXlRjyAwzN7YEzHJlYg0NmzDRWx6GP4Q==
+  dependencies:
+    eslint-visitor-keys "^1.0.0"
+
+eslint-visitor-keys@^1.0.0, eslint-visitor-keys@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/eslint-visitor-keys/-/eslint-visitor-keys-1.1.0.tgz#e2a82cea84ff246ad6fb57f9bde5b46621459ec2"
+  integrity sha512-8y9YjtM1JBJU/A9Kc+SbaOV4y29sSWckBwMHa+FGtVj5gN/sbnKDf6xJUl+8g7FAij9LVaP8C24DUiH/f/2Z9A==
+
+eslint@^6.3.0:
+  version "6.4.0"
+  resolved "https://registry.yarnpkg.com/eslint/-/eslint-6.4.0.tgz#5aa9227c3fbe921982b2eda94ba0d7fae858611a"
+  integrity sha512-WTVEzK3lSFoXUovDHEbkJqCVPEPwbhCq4trDktNI6ygs7aO41d4cDT0JFAT5MivzZeVLWlg7vHL+bgrQv/t3vA==
+  dependencies:
+    "@babel/code-frame" "^7.0.0"
+    ajv "^6.10.0"
+    chalk "^2.1.0"
+    cross-spawn "^6.0.5"
+    debug "^4.0.1"
+    doctrine "^3.0.0"
+    eslint-scope "^5.0.0"
+    eslint-utils "^1.4.2"
+    eslint-visitor-keys "^1.1.0"
+    espree "^6.1.1"
+    esquery "^1.0.1"
+    esutils "^2.0.2"
+    file-entry-cache "^5.0.1"
+    functional-red-black-tree "^1.0.1"
+    glob-parent "^5.0.0"
+    globals "^11.7.0"
+    ignore "^4.0.6"
+    import-fresh "^3.0.0"
+    imurmurhash "^0.1.4"
+    inquirer "^6.4.1"
+    is-glob "^4.0.0"
+    js-yaml "^3.13.1"
+    json-stable-stringify-without-jsonify "^1.0.1"
+    levn "^0.3.0"
+    lodash "^4.17.14"
+    minimatch "^3.0.4"
+    mkdirp "^0.5.1"
+    natural-compare "^1.4.0"
+    optionator "^0.8.2"
+    progress "^2.0.0"
+    regexpp "^2.0.1"
+    semver "^6.1.2"
+    strip-ansi "^5.2.0"
+    strip-json-comments "^3.0.1"
+    table "^5.2.3"
+    text-table "^0.2.0"
+    v8-compile-cache "^2.0.3"
+
+esm@^3.2.25:
+  version "3.2.25"
+  resolved "https://registry.yarnpkg.com/esm/-/esm-3.2.25.tgz#342c18c29d56157688ba5ce31f8431fbb795cc10"
+  integrity sha512-U1suiZ2oDVWv4zPO56S0NcR5QriEahGtdN2OR6FiOG4WJvcjBVFB0qI4+eKoWFH483PKGuLuu6V8Z4T5g63UVA==
+
+espree@^6.1.1:
+  version "6.1.1"
+  resolved "https://registry.yarnpkg.com/espree/-/espree-6.1.1.tgz#7f80e5f7257fc47db450022d723e356daeb1e5de"
+  integrity sha512-EYbr8XZUhWbYCqQRW0duU5LxzL5bETN6AjKBGy1302qqzPaCH10QbRg3Wvco79Z8x9WbiE8HYB4e75xl6qUYvQ==
+  dependencies:
+    acorn "^7.0.0"
+    acorn-jsx "^5.0.2"
+    eslint-visitor-keys "^1.1.0"
+
+esprima@^4.0.0:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/esprima/-/esprima-4.0.1.tgz#13b04cdb3e6c5d19df91ab6987a8695619b0aa71"
+  integrity sha512-eGuFFw7Upda+g4p+QHvnW0RyTX/SVeJBDM/gCtMARO0cLuT2HcEKnTPvhjV6aGeqrCB/sbNop0Kszm0jsaWU4A==
+
+esquery@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/esquery/-/esquery-1.0.1.tgz#406c51658b1f5991a5f9b62b1dc25b00e3e5c708"
+  integrity sha512-SmiyZ5zIWH9VM+SRUReLS5Q8a7GxtRdxEBVZpm98rJM7Sb+A9DVCndXfkeFUd3byderg+EbDkfnevfCwynWaNA==
+  dependencies:
+    estraverse "^4.0.0"
+
+esrecurse@^4.1.0:
+  version "4.2.1"
+  resolved "https://registry.yarnpkg.com/esrecurse/-/esrecurse-4.2.1.tgz#007a3b9fdbc2b3bb87e4879ea19c92fdbd3942cf"
+  integrity sha512-64RBB++fIOAXPw3P9cy89qfMlvZEXZkqqJkjqqXIvzP5ezRZjW+lPWjw35UX/3EhUPFYbg5ER4JYgDw4007/DQ==
+  dependencies:
+    estraverse "^4.1.0"
+
+estraverse@^4.0.0, estraverse@^4.1.0, estraverse@^4.1.1:
+  version "4.3.0"
+  resolved "https://registry.yarnpkg.com/estraverse/-/estraverse-4.3.0.tgz#398ad3f3c5a24948be7725e83d11a7de28cdbd1d"
+  integrity sha512-39nnKffWz8xN1BU/2c79n9nB9HDzo0niYUqx6xyqUnyoAnQyyWpOTdZEeiCch8BBu515t4wp9ZmgVfVhn9EBpw==
+
+esutils@^2.0.2:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/esutils/-/esutils-2.0.3.tgz#74d2eb4de0b8da1293711910d50775b9b710ef64"
+  integrity sha512-kVscqXk4OCp68SZ0dkgEKVi6/8ij300KBWTJq32P/dYeWTSwK41WyTxalN1eRmA5Z9UU/LX9D7FWSmV9SAYx6g==
+
+execa@^0.7.0:
+  version "0.7.0"
+  resolved "https://registry.yarnpkg.com/execa/-/execa-0.7.0.tgz#944becd34cc41ee32a63a9faf27ad5a65fc59777"
+  integrity sha1-lEvs00zEHuMqY6n68nrVpl/Fl3c=
+  dependencies:
+    cross-spawn "^5.0.1"
+    get-stream "^3.0.0"
+    is-stream "^1.1.0"
+    npm-run-path "^2.0.0"
+    p-finally "^1.0.0"
+    signal-exit "^3.0.0"
+    strip-eof "^1.0.0"
+
+execa@^0.8.0:
+  version "0.8.0"
+  resolved "https://registry.yarnpkg.com/execa/-/execa-0.8.0.tgz#d8d76bbc1b55217ed190fd6dd49d3c774ecfc8da"
+  integrity sha1-2NdrvBtVIX7RkP1t1J08d07PyNo=
+  dependencies:
+    cross-spawn "^5.0.1"
+    get-stream "^3.0.0"
+    is-stream "^1.1.0"
+    npm-run-path "^2.0.0"
+    p-finally "^1.0.0"
+    signal-exit "^3.0.0"
+    strip-eof "^1.0.0"
+
+execa@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/execa/-/execa-1.0.0.tgz#c6236a5bb4df6d6f15e88e7f017798216749ddd8"
+  integrity sha512-adbxcyWV46qiHyvSp50TKt05tB4tK3HcmF7/nxfAdhnox83seTDbwnaqKO4sXRy7roHAIFqJP/Rw/AuEbX61LA==
+  dependencies:
+    cross-spawn "^6.0.0"
+    get-stream "^4.0.0"
+    is-stream "^1.1.0"
+    npm-run-path "^2.0.0"
+    p-finally "^1.0.0"
+    signal-exit "^3.0.0"
+    strip-eof "^1.0.0"
+
+external-editor@^3.0.3:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/external-editor/-/external-editor-3.1.0.tgz#cb03f740befae03ea4d283caed2741a83f335495"
+  integrity sha512-hMQ4CX1p1izmuLYyZqLMO/qGNw10wSv9QDCPfzXfyFrOaCSSoRfqE1Kf1s5an66J5JZC62NewG+mK49jOCtQew==
+  dependencies:
+    chardet "^0.7.0"
+    iconv-lite "^0.4.24"
+    tmp "^0.0.33"
+
+fast-deep-equal@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-2.0.1.tgz#7b05218ddf9667bf7f370bf7fdb2cb15fdd0aa49"
+  integrity sha1-ewUhjd+WZ79/Nwv3/bLLFf3Qqkk=
+
+fast-json-stable-stringify@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/fast-json-stable-stringify/-/fast-json-stable-stringify-2.0.0.tgz#d5142c0caee6b1189f87d3a76111064f86c8bbf2"
+  integrity sha1-1RQsDK7msRifh9OnYREGT4bIu/I=
+
+fast-levenshtein@~2.0.4:
+  version "2.0.6"
+  resolved "https://registry.yarnpkg.com/fast-levenshtein/-/fast-levenshtein-2.0.6.tgz#3d8a5c66883a16a30ca8643e851f19baa7797917"
+  integrity sha1-PYpcZog6FqMMqGQ+hR8Zuqd5eRc=
+
+fast-url-parser@1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/fast-url-parser/-/fast-url-parser-1.1.3.tgz#f4af3ea9f34d8a271cf58ad2b3759f431f0b318d"
+  integrity sha1-9K8+qfNNiicc9YrSs3WfQx8LMY0=
+  dependencies:
+    punycode "^1.3.2"
+
+figures@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/figures/-/figures-2.0.0.tgz#3ab1a2d2a62c8bfb431a0c94cb797a2fce27c962"
+  integrity sha1-OrGi0qYsi/tDGgyUy3l6L84nyWI=
+  dependencies:
+    escape-string-regexp "^1.0.5"
+
+file-entry-cache@^5.0.1:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/file-entry-cache/-/file-entry-cache-5.0.1.tgz#ca0f6efa6dd3d561333fb14515065c2fafdf439c"
+  integrity sha512-bCg29ictuBaKUwwArK4ouCaqDgLZcysCFLmM/Yn/FDoqndh/9vNuQfXRDvTuXKLxfD/JtZQGKFT8MGcJBK644g==
+  dependencies:
+    flat-cache "^2.0.1"
+
+find-up@3.0.0, find-up@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/find-up/-/find-up-3.0.0.tgz#49169f1d7993430646da61ecc5ae355c21c97b73"
+  integrity sha512-1yD6RmLI1XBfxugvORwlck6f75tYL+iR0jqwsOrOxMZyGYqUuDhJ0l4AXdO1iX/FTs9cBAMEk1gWSEx1kSbylg==
+  dependencies:
+    locate-path "^3.0.0"
+
+flat-cache@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/flat-cache/-/flat-cache-2.0.1.tgz#5d296d6f04bda44a4630a301413bdbc2ec085ec0"
+  integrity sha512-LoQe6yDuUMDzQAEH8sgmh4Md6oZnc/7PjtwjNFSzveXqSHt6ka9fPBuso7IGf9Rz4uqnSnWiFH2B/zj24a5ReA==
+  dependencies:
+    flatted "^2.0.0"
+    rimraf "2.6.3"
+    write "1.0.3"
+
+flat@^4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/flat/-/flat-4.1.0.tgz#090bec8b05e39cba309747f1d588f04dbaf98db2"
+  integrity sha512-Px/TiLIznH7gEDlPXcUD4KnBusa6kR6ayRUVcnEAbreRIuhkqow/mun59BuRXwoYk7ZQOLW1ZM05ilIvK38hFw==
+  dependencies:
+    is-buffer "~2.0.3"
+
+flatted@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/flatted/-/flatted-2.0.1.tgz#69e57caa8f0eacbc281d2e2cb458d46fdb449e08"
+  integrity sha512-a1hQMktqW9Nmqr5aktAux3JMNqaucxGcjtjWnZLHX7yyPCmlSV3M54nGYbqT8K+0GhF3NBgmJCc3ma+WOgX8Jg==
+
+fs.realpath@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
+  integrity sha1-FQStJSMVjKpA20onh8sBQRmU6k8=
+
+function-bind@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/function-bind/-/function-bind-1.1.1.tgz#a56899d3ea3c9bab874bb9773b7c5ede92f4895d"
+  integrity sha512-yIovAzMX49sF8Yl58fSCWJ5svSLuaibPxXQJFLmBObTuCr0Mf1KiPopGM9NiFjiYBCbfaa2Fh6breQ6ANVTI0A==
+
+functional-red-black-tree@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/functional-red-black-tree/-/functional-red-black-tree-1.0.1.tgz#1b0ab3bd553b2a0d6399d29c0e3ea0b252078327"
+  integrity sha1-GwqzvVU7Kg1jmdKcDj6gslIHgyc=
+
+get-caller-file@^1.0.1:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/get-caller-file/-/get-caller-file-1.0.3.tgz#f978fa4c90d1dfe7ff2d6beda2a515e713bdcf4a"
+  integrity sha512-3t6rVToeoZfYSGd8YoLFR2DJkiQrIiUrGcjvFX2mDw3bn6k2OtwHN0TNCLbBO+w8qTvimhDkv+LSscbJY1vE6w==
+
+get-caller-file@^2.0.1:
+  version "2.0.5"
+  resolved "https://registry.yarnpkg.com/get-caller-file/-/get-caller-file-2.0.5.tgz#4f94412a82db32f36e3b0b9741f8a97feb031f7e"
+  integrity sha512-DyFP3BM/3YHTQOCUL/w0OZHR0lpKeGrxotcHWcqNEdnltqFwXVfhEBQ94eIo34AfQpo0rGki4cyIiftY06h2Fg==
+
+get-func-name@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/get-func-name/-/get-func-name-2.0.0.tgz#ead774abee72e20409433a066366023dd6887a41"
+  integrity sha1-6td0q+5y4gQJQzoGY2YCPdaIekE=
+
+get-stream@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/get-stream/-/get-stream-3.0.0.tgz#8e943d1358dc37555054ecbe2edb05aa174ede14"
+  integrity sha1-jpQ9E1jcN1VQVOy+LtsFqhdO3hQ=
+
+get-stream@^4.0.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/get-stream/-/get-stream-4.1.0.tgz#c1b255575f3dc21d59bfc79cd3d2b46b1c3a54b5"
+  integrity sha512-GMat4EJ5161kIy2HevLlr4luNjBgvmj413KaQA7jt4V8B4RDsfpHk7WQ9GVqfYyyx8OS/L66Kox+rJRNklLK7w==
+  dependencies:
+    pump "^3.0.0"
+
+glob-parent@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/glob-parent/-/glob-parent-5.0.0.tgz#1dc99f0f39b006d3e92c2c284068382f0c20e954"
+  integrity sha512-Z2RwiujPRGluePM6j699ktJYxmPpJKCfpGA13jz2hmFZC7gKetzrWvg5KN3+OsIFmydGyZ1AVwERCq1w/ZZwRg==
+  dependencies:
+    is-glob "^4.0.1"
+
+glob@7.1.3:
+  version "7.1.3"
+  resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.3.tgz#3960832d3f1574108342dafd3a67b332c0969df1"
+  integrity sha512-vcfuiIxogLV4DlGBHIUOwI0IbrJ8HWPc4MU7HzviGeNho/UJDfi6B5p3sHeWIQ0KGIU0Jpxi5ZHxemQfLkkAwQ==
+  dependencies:
+    fs.realpath "^1.0.0"
+    inflight "^1.0.4"
+    inherits "2"
+    minimatch "^3.0.4"
+    once "^1.3.0"
+    path-is-absolute "^1.0.0"
+
+glob@^7.1.3:
+  version "7.1.4"
+  resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.4.tgz#aa608a2f6c577ad357e1ae5a5c26d9a8d1969255"
+  integrity sha512-hkLPepehmnKk41pUGm3sYxoFs/umurYfYJCerbXEyFIWcAzvpipAgVkBqqT9RBKMGjnq6kMuyYwha6csxbiM1A==
+  dependencies:
+    fs.realpath "^1.0.0"
+    inflight "^1.0.4"
+    inherits "2"
+    minimatch "^3.0.4"
+    once "^1.3.0"
+    path-is-absolute "^1.0.0"
+
+globals@^11.7.0:
+  version "11.12.0"
+  resolved "https://registry.yarnpkg.com/globals/-/globals-11.12.0.tgz#ab8795338868a0babd8525758018c2a7eb95c42e"
+  integrity sha512-WOBp/EEGUiIsJSp7wcv/y6MO+lV9UoncWqxuFfm8eBwzWNgyfBd6Gz+IeKQ9jCmyhoH99g15M3T+QaVHFjizVA==
+
+growl@1.10.5:
+  version "1.10.5"
+  resolved "https://registry.yarnpkg.com/growl/-/growl-1.10.5.tgz#f2735dc2283674fa67478b10181059355c369e5e"
+  integrity sha512-qBr4OuELkhPenW6goKVXiv47US3clb3/IbuWF9KNKEijAy9oeHxU9IgzjvJhHkUzhaj7rOUD7+YGWqUjLp5oSA==
+
+has-flag@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-3.0.0.tgz#b5d454dc2199ae225699f3467e5a07f3b955bafd"
+  integrity sha1-tdRU3CGZriJWmfNGfloH87lVuv0=
+
+has-symbols@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/has-symbols/-/has-symbols-1.0.0.tgz#ba1a8f1af2a0fc39650f5c850367704122063b44"
+  integrity sha1-uhqPGvKg/DllD1yFA2dwQSIGO0Q=
+
+has@^1.0.1, has@^1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/has/-/has-1.0.3.tgz#722d7cbfc1f6aa8241f16dd814e011e1f41e8796"
+  integrity sha512-f2dvO0VU6Oej7RkWJGrehjbzMAjFp5/VKPp5tTpWIV4JHHZK1/BxbFRtf/siA2SWTe09caDmVtYYzWEIbBS4zw==
+  dependencies:
+    function-bind "^1.1.1"
+
+he@1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/he/-/he-1.2.0.tgz#84ae65fa7eafb165fddb61566ae14baf05664f0f"
+  integrity sha512-F/1DnUGPopORZi0ni+CvrCgHQ5FyEAHRLSApuYWMmrbSwoN2Mn/7k+Gl38gJnR7yyDZk6WLXwiGod1JOWNDKGw==
+
+iconv-lite@^0.4.24:
+  version "0.4.24"
+  resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.24.tgz#2022b4b25fbddc21d2f524974a474aafe733908b"
+  integrity sha512-v3MXnZAcvnywkTUEZomIActle7RXXeedOR31wwl7VlyoXO4Qi9arvSenNQWne1TcRwhCL1HwLI21bEqdpj8/rA==
+  dependencies:
+    safer-buffer ">= 2.1.2 < 3"
+
+ignore@^4.0.6:
+  version "4.0.6"
+  resolved "https://registry.yarnpkg.com/ignore/-/ignore-4.0.6.tgz#750e3db5862087b4737ebac8207ffd1ef27b25fc"
+  integrity sha512-cyFDKrqc/YdcWFniJhzI42+AzS+gNwmUzOSFcRCQYwySuBBBy/KjuxWLZ/FHEH6Moq1NizMOBWyTcv8O4OZIMg==
+
+import-fresh@^3.0.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/import-fresh/-/import-fresh-3.1.0.tgz#6d33fa1dcef6df930fae003446f33415af905118"
+  integrity sha512-PpuksHKGt8rXfWEr9m9EHIpgyyaltBy8+eF6GJM0QCAxMgxCfucMF3mjecK2QsJr0amJW7gTqh5/wht0z2UhEQ==
+  dependencies:
+    parent-module "^1.0.0"
+    resolve-from "^4.0.0"
+
+imurmurhash@^0.1.4:
+  version "0.1.4"
+  resolved "https://registry.yarnpkg.com/imurmurhash/-/imurmurhash-0.1.4.tgz#9218b9b2b928a238b13dc4fb6b6d576f231453ea"
+  integrity sha1-khi5srkoojixPcT7a21XbyMUU+o=
+
+inflight@^1.0.4:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/inflight/-/inflight-1.0.6.tgz#49bd6331d7d02d0c09bc910a1075ba8165b56df9"
+  integrity sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=
+  dependencies:
+    once "^1.3.0"
+    wrappy "1"
+
+inherits@2:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.4.tgz#0fa2c64f932917c3433a0ded55363aae37416b7c"
+  integrity sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==
+
+ini@~1.3.0:
+  version "1.3.5"
+  resolved "https://registry.yarnpkg.com/ini/-/ini-1.3.5.tgz#eee25f56db1c9ec6085e0c22778083f596abf927"
+  integrity sha512-RZY5huIKCMRWDUqZlEi72f/lmXKMvuszcMBduliQ3nnWbx9X/ZBQO7DijMEYS9EhHBb2qacRUMtC7svLwe0lcw==
+
+inquirer@^6.4.1:
+  version "6.5.2"
+  resolved "https://registry.yarnpkg.com/inquirer/-/inquirer-6.5.2.tgz#ad50942375d036d327ff528c08bd5fab089928ca"
+  integrity sha512-cntlB5ghuB0iuO65Ovoi8ogLHiWGs/5yNrtUcKjFhSSiVeAIVpD7koaSU9RM8mpXw5YDi9RdYXGQMaOURB7ycQ==
+  dependencies:
+    ansi-escapes "^3.2.0"
+    chalk "^2.4.2"
+    cli-cursor "^2.1.0"
+    cli-width "^2.0.0"
+    external-editor "^3.0.3"
+    figures "^2.0.0"
+    lodash "^4.17.12"
+    mute-stream "0.0.7"
+    run-async "^2.2.0"
+    rxjs "^6.4.0"
+    string-width "^2.1.0"
+    strip-ansi "^5.1.0"
+    through "^2.3.6"
+
+invert-kv@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/invert-kv/-/invert-kv-2.0.0.tgz#7393f5afa59ec9ff5f67a27620d11c226e3eec02"
+  integrity sha512-wPVv/y/QQ/Uiirj/vh3oP+1Ww+AWehmi1g5fFWGPF6IpCBCDVrhgHRMvrLfdYcwDh3QJbGXDW4JAuzxElLSqKA==
+
+is-buffer@~2.0.3:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-2.0.3.tgz#4ecf3fcf749cbd1e472689e109ac66261a25e725"
+  integrity sha512-U15Q7MXTuZlrbymiz95PJpZxu8IlipAp4dtS3wOdgPXx3mqBnslrWU14kxfHB+Py/+2PVKSr37dMAgM2A4uArw==
+
+is-callable@^1.1.4:
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/is-callable/-/is-callable-1.1.4.tgz#1e1adf219e1eeb684d691f9d6a05ff0d30a24d75"
+  integrity sha512-r5p9sxJjYnArLjObpjA4xu5EKI3CuKHkJXMhT7kwbpUyIFD1n5PMAsoPvWnvtZiNz7LjkYDRZhd7FlI0eMijEA==
+
+is-date-object@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/is-date-object/-/is-date-object-1.0.1.tgz#9aa20eb6aeebbff77fbd33e74ca01b33581d3a16"
+  integrity sha1-mqIOtq7rv/d/vTPnTKAbM1gdOhY=
+
+is-extglob@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/is-extglob/-/is-extglob-2.1.1.tgz#a88c02535791f02ed37c76a1b9ea9773c833f8c2"
+  integrity sha1-qIwCU1eR8C7TfHahueqXc8gz+MI=
+
+is-fullwidth-code-point@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-fullwidth-code-point/-/is-fullwidth-code-point-1.0.0.tgz#ef9e31386f031a7f0d643af82fde50c457ef00cb"
+  integrity sha1-754xOG8DGn8NZDr4L95QxFfvAMs=
+  dependencies:
+    number-is-nan "^1.0.0"
+
+is-fullwidth-code-point@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz#a3b30a5c4f199183167aaab93beefae3ddfb654f"
+  integrity sha1-o7MKXE8ZkYMWeqq5O+764937ZU8=
+
+is-glob@^4.0.0, is-glob@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/is-glob/-/is-glob-4.0.1.tgz#7567dbe9f2f5e2467bc77ab83c4a29482407a5dc"
+  integrity sha512-5G0tKtBTFImOqDnLB2hG6Bp2qcKEFduo4tZu9MT/H6NQv/ghhy30o55ufafxJ/LdH79LLs2Kfrn85TLKyA7BUg==
+  dependencies:
+    is-extglob "^2.1.1"
+
+is-promise@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/is-promise/-/is-promise-2.1.0.tgz#79a2a9ece7f096e80f36d2b2f3bc16c1ff4bf3fa"
+  integrity sha1-eaKp7OfwlugPNtKy87wWwf9L8/o=
+
+is-regex@^1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/is-regex/-/is-regex-1.0.4.tgz#5517489b547091b0930e095654ced25ee97e9491"
+  integrity sha1-VRdIm1RwkbCTDglWVM7SXul+lJE=
+  dependencies:
+    has "^1.0.1"
+
+is-stream@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/is-stream/-/is-stream-1.1.0.tgz#12d4a3dd4e68e0b79ceb8dbc84173ae80d91ca44"
+  integrity sha1-EtSj3U5o4Lec6428hBc66A2RykQ=
+
+is-symbol@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/is-symbol/-/is-symbol-1.0.2.tgz#a055f6ae57192caee329e7a860118b497a950f38"
+  integrity sha512-HS8bZ9ox60yCJLH9snBpIwv9pYUAkcuLhSA1oero1UB5y9aiQpRA8y2ex945AOtCZL1lJDeIk3G5LthswI46Lw==
+  dependencies:
+    has-symbols "^1.0.0"
+
+isexe@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/isexe/-/isexe-2.0.0.tgz#e8fbf374dc556ff8947a10dcb0572d633f2cfa10"
+  integrity sha1-6PvzdNxVb/iUehDcsFctYz8s+hA=
+
+js-tokens@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-4.0.0.tgz#19203fb59991df98e3a287050d4647cdeaf32499"
+  integrity sha512-RdJUflcE3cUzKiMqQgsCu06FPu9UdIJO0beYbPhHN4k6apgJtifcoCtT9bcxOpYBtpD2kCM6Sbzg4CausW/PKQ==
+
+js-yaml@3.13.1, js-yaml@^3.13.1:
+  version "3.13.1"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.13.1.tgz#aff151b30bfdfa8e49e05da22e7415e9dfa37847"
+  integrity sha512-YfbcO7jXDdyj0DGxYVSlSeQNHbD7XPWvrVWeVUujrQEoZzWJIRrCPoyk6kL6IAjAG2IolMK4T0hNUe0HOUs5Jw==
+  dependencies:
+    argparse "^1.0.7"
+    esprima "^4.0.0"
+
+json-schema-traverse@^0.4.1:
+  version "0.4.1"
+  resolved "https://registry.yarnpkg.com/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz#69f6a87d9513ab8bb8fe63bdb0979c448e684660"
+  integrity sha512-xbbCH5dCYU5T8LcEhhuh7HJ88HXuW3qsI3Y0zOZFKfZEHcpWiHU/Jxzk629Brsab/mMiHQti9wMP+845RPe3Vg==
+
+json-stable-stringify-without-jsonify@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/json-stable-stringify-without-jsonify/-/json-stable-stringify-without-jsonify-1.0.1.tgz#9db7b59496ad3f3cfef30a75142d2d930ad72651"
+  integrity sha1-nbe1lJatPzz+8wp1FC0tkwrXJlE=
+
+lcid@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/lcid/-/lcid-2.0.0.tgz#6ef5d2df60e52f82eb228a4c373e8d1f397253cf"
+  integrity sha512-avPEb8P8EGnwXKClwsNUgryVjllcRqtMYa49NTsbQagYuT1DcXnl1915oxWjoyGrXR6zH/Y0Zc96xWsPcoDKeA==
+  dependencies:
+    invert-kv "^2.0.0"
+
+levn@^0.3.0, levn@~0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/levn/-/levn-0.3.0.tgz#3b09924edf9f083c0490fdd4c0bc4421e04764ee"
+  integrity sha1-OwmSTt+fCDwEkP3UwLxEIeBHZO4=
+  dependencies:
+    prelude-ls "~1.1.2"
+    type-check "~0.3.2"
+
+locate-path@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/locate-path/-/locate-path-3.0.0.tgz#dbec3b3ab759758071b58fe59fc41871af21400e"
+  integrity sha512-7AO748wWnIhNqAuaty2ZWHkQHRSNfPVIsPIfwEOWO22AmaoVrWavlOcMR5nzTLNYvp36X220/maaRsrec1G65A==
+  dependencies:
+    p-locate "^3.0.0"
+    path-exists "^3.0.0"
+
+lodash@^4.17.11, lodash@^4.17.12, lodash@^4.17.14:
+  version "4.17.15"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
+  integrity sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==
+
+log-symbols@2.2.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/log-symbols/-/log-symbols-2.2.0.tgz#5740e1c5d6f0dfda4ad9323b5332107ef6b4c40a"
+  integrity sha512-VeIAFslyIerEJLXHziedo2basKbMKtTw3vfn5IzG0XTjhAVEJyNHnL2p7vc+wBDSdQuUpNw3M2u6xb9QsAY5Eg==
+  dependencies:
+    chalk "^2.0.1"
+
+lru-cache@^4.0.1:
+  version "4.1.5"
+  resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-4.1.5.tgz#8bbe50ea85bed59bc9e33dcab8235ee9bcf443cd"
+  integrity sha512-sWZlbEP2OsHNkXrMl5GYk/jKk70MBng6UU4YI/qGDYbgf6YbP4EvmqISbXCoJiRKs+1bSpFHVgQxvJ17F2li5g==
+  dependencies:
+    pseudomap "^1.0.2"
+    yallist "^2.1.2"
+
+map-age-cleaner@^0.1.1:
+  version "0.1.3"
+  resolved "https://registry.yarnpkg.com/map-age-cleaner/-/map-age-cleaner-0.1.3.tgz#7d583a7306434c055fe474b0f45078e6e1b4b92a"
+  integrity sha512-bJzx6nMoP6PDLPBFmg7+xRKeFZvFboMrGlxmNj9ClvX53KrmvM5bXFXEWjbz4cz1AFn+jWJ9z/DJSz7hrs0w3w==
+  dependencies:
+    p-defer "^1.0.0"
+
+mem@^4.0.0:
+  version "4.3.0"
+  resolved "https://registry.yarnpkg.com/mem/-/mem-4.3.0.tgz#461af497bc4ae09608cdb2e60eefb69bff744178"
+  integrity sha512-qX2bG48pTqYRVmDB37rn/6PT7LcR8T7oAX3bf99u1Tt1nzxYfxkgqDwUwolPlXweM0XzBOBFzSx4kfp7KP1s/w==
+  dependencies:
+    map-age-cleaner "^0.1.1"
+    mimic-fn "^2.0.0"
+    p-is-promise "^2.0.0"
+
+mime-db@1.40.0:
+  version "1.40.0"
+  resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.40.0.tgz#a65057e998db090f732a68f6c276d387d4126c32"
+  integrity sha512-jYdeOMPy9vnxEqFRRo6ZvTZ8d9oPb+k18PKoYNYUe2stVEBPPwsln/qWzdbmaIvnhZ9v2P+CuecK+fpUfsV2mA==
+
+"mime-db@>= 1.40.0 < 2":
+  version "1.41.0"
+  resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.41.0.tgz#9110408e1f6aa1b34aef51f2c9df3caddf46b6a0"
+  integrity sha512-B5gxBI+2K431XW8C2rcc/lhppbuji67nf9v39eH8pkWoZDxnAL0PxdpH32KYRScniF8qDHBDlI+ipgg5WrCUYw==
+
+mime-db@~1.33.0:
+  version "1.33.0"
+  resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.33.0.tgz#a3492050a5cb9b63450541e39d9788d2272783db"
+  integrity sha512-BHJ/EKruNIqJf/QahvxwQZXKygOQ256myeN/Ew+THcAa5q+PjyTTMMeNQC4DZw5AwfvelsUrA6B67NKMqXDbzQ==
+
+mime-types@2.1.18:
+  version "2.1.18"
+  resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.18.tgz#6f323f60a83d11146f831ff11fd66e2fe5503bb8"
+  integrity sha512-lc/aahn+t4/SWV/qcmumYjymLsWfN3ELhpmVuUFjgsORruuZPVSwAQryq+HHGvO/SI2KVX26bx+En+zhM8g8hQ==
+  dependencies:
+    mime-db "~1.33.0"
+
+mime-types@~2.1.24:
+  version "2.1.24"
+  resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.24.tgz#b6f8d0b3e951efb77dedeca194cff6d16f676f81"
+  integrity sha512-WaFHS3MCl5fapm3oLxU4eYDw77IQM2ACcxQ9RIxfaC3ooc6PFuBMGZZsYpvoXS5D5QTWPieo1jjLdAm3TBP3cQ==
+  dependencies:
+    mime-db "1.40.0"
+
+mimic-fn@^1.0.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/mimic-fn/-/mimic-fn-1.2.0.tgz#820c86a39334640e99516928bd03fca88057d022"
+  integrity sha512-jf84uxzwiuiIVKiOLpfYk7N46TSy8ubTonmneY9vrpHNAnp0QBt2BxWV9dO3/j+BoVAb+a5G6YDPW3M5HOdMWQ==
+
+mimic-fn@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/mimic-fn/-/mimic-fn-2.1.0.tgz#7ed2c2ccccaf84d3ffcb7a69b57711fc2083401b"
+  integrity sha512-OqbOk5oEQeAZ8WXWydlu9HJjz9WVdEIvamMCcXmuqUYjTknH/sqsWvhQ3vgwKFRR1HpjvNBKQ37nbJgYzGqGcg==
+
+minimatch@3.0.4, minimatch@^3.0.4:
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.4.tgz#5166e286457f03306064be5497e8dbb0c3d32083"
+  integrity sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==
+  dependencies:
+    brace-expansion "^1.1.7"
+
+minimist@0.0.8:
+  version "0.0.8"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
+  integrity sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=
+
+minimist@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
+  integrity sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=
+
+mkdirp@0.5.1, mkdirp@^0.5.1:
+  version "0.5.1"
+  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
+  integrity sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=
+  dependencies:
+    minimist "0.0.8"
+
+mocha@^6.2.0:
+  version "6.2.0"
+  resolved "https://registry.yarnpkg.com/mocha/-/mocha-6.2.0.tgz#f896b642843445d1bb8bca60eabd9206b8916e56"
+  integrity sha512-qwfFgY+7EKAAUAdv7VYMZQknI7YJSGesxHyhn6qD52DV8UcSZs5XwCifcZGMVIE4a5fbmhvbotxC0DLQ0oKohQ==
+  dependencies:
+    ansi-colors "3.2.3"
+    browser-stdout "1.3.1"
+    debug "3.2.6"
+    diff "3.5.0"
+    escape-string-regexp "1.0.5"
+    find-up "3.0.0"
+    glob "7.1.3"
+    growl "1.10.5"
+    he "1.2.0"
+    js-yaml "3.13.1"
+    log-symbols "2.2.0"
+    minimatch "3.0.4"
+    mkdirp "0.5.1"
+    ms "2.1.1"
+    node-environment-flags "1.0.5"
+    object.assign "4.1.0"
+    strip-json-comments "2.0.1"
+    supports-color "6.0.0"
+    which "1.3.1"
+    wide-align "1.1.3"
+    yargs "13.2.2"
+    yargs-parser "13.0.0"
+    yargs-unparser "1.5.0"
+
+ms@2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
+  integrity sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=
+
+ms@2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.1.tgz#30a5864eb3ebb0a66f2ebe6d727af06a09d86e0a"
+  integrity sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg==
+
+ms@^2.1.1:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.2.tgz#d09d1f357b443f493382a8eb3ccd183872ae6009"
+  integrity sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==
+
+mute-stream@0.0.7:
+  version "0.0.7"
+  resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.7.tgz#3075ce93bc21b8fab43e1bc4da7e8115ed1e7bab"
+  integrity sha1-MHXOk7whuPq0PhvE2n6BFe0ee6s=
+
+natural-compare@^1.4.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/natural-compare/-/natural-compare-1.4.0.tgz#4abebfeed7541f2c27acfb29bdbbd15c8d5ba4f7"
+  integrity sha1-Sr6/7tdUHywnrPspvbvRXI1bpPc=
+
+negotiator@0.6.2:
+  version "0.6.2"
+  resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-0.6.2.tgz#feacf7ccf525a77ae9634436a64883ffeca346fb"
+  integrity sha512-hZXc7K2e+PgeI1eDBe/10Ard4ekbfrrqG8Ep+8Jmf4JID2bNg7NvCPOZN+kfF574pFQI7mum2AUqDidoKqcTOw==
+
+nice-try@^1.0.4:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/nice-try/-/nice-try-1.0.5.tgz#a3378a7696ce7d223e88fc9b764bd7ef1089e366"
+  integrity sha512-1nh45deeb5olNY7eX82BkPO7SSxR5SSYJiPTrTdFUVYwAl8CKMA5N9PjTYkHiRjisVcxcQ1HXdLhx2qxxJzLNQ==
+
+node-environment-flags@1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/node-environment-flags/-/node-environment-flags-1.0.5.tgz#fa930275f5bf5dae188d6192b24b4c8bbac3d76a"
+  integrity sha512-VNYPRfGfmZLx0Ye20jWzHUjyTW/c+6Wq+iLhDzUI4XmhrDd9l/FozXV3F2xOaXjvp0co0+v1YSR3CMP6g+VvLQ==
+  dependencies:
+    object.getownpropertydescriptors "^2.0.3"
+    semver "^5.7.0"
+
+npm-run-path@^2.0.0:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/npm-run-path/-/npm-run-path-2.0.2.tgz#35a9232dfa35d7067b4cb2ddf2357b1871536c5f"
+  integrity sha1-NakjLfo11wZ7TLLd8jV7GHFTbF8=
+  dependencies:
+    path-key "^2.0.0"
+
+number-is-nan@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/number-is-nan/-/number-is-nan-1.0.1.tgz#097b602b53422a522c1afb8790318336941a011d"
+  integrity sha1-CXtgK1NCKlIsGvuHkDGDNpQaAR0=
+
+object-inspect@^1.6.0:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/object-inspect/-/object-inspect-1.6.0.tgz#c70b6cbf72f274aab4c34c0c82f5167bf82cf15b"
+  integrity sha512-GJzfBZ6DgDAmnuaM3104jR4s1Myxr3Y3zfIyN4z3UdqN69oSRacNK8UhnobDdC+7J2AHCjGwxQubNJfE70SXXQ==
+
+object-keys@^1.0.11, object-keys@^1.0.12, object-keys@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/object-keys/-/object-keys-1.1.1.tgz#1c47f272df277f3b1daf061677d9c82e2322c60e"
+  integrity sha512-NuAESUOUMrlIXOfHKzD6bpPu3tYt3xvjNdRIQ+FeT0lNb4K8WR70CaDxhuNguS2XG+GjkyMwOzsN5ZktImfhLA==
+
+object.assign@4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/object.assign/-/object.assign-4.1.0.tgz#968bf1100d7956bb3ca086f006f846b3bc4008da"
+  integrity sha512-exHJeq6kBKj58mqGyTQ9DFvrZC/eR6OwxzoM9YRoGBqrXYonaFyGiFMuc9VZrXf7DarreEwMpurG3dd+CNyW5w==
+  dependencies:
+    define-properties "^1.1.2"
+    function-bind "^1.1.1"
+    has-symbols "^1.0.0"
+    object-keys "^1.0.11"
+
+object.getownpropertydescriptors@^2.0.3:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/object.getownpropertydescriptors/-/object.getownpropertydescriptors-2.0.3.tgz#8758c846f5b407adab0f236e0986f14b051caa16"
+  integrity sha1-h1jIRvW0B62rDyNuCYbxSwUcqhY=
+  dependencies:
+    define-properties "^1.1.2"
+    es-abstract "^1.5.1"
+
+on-headers@~1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/on-headers/-/on-headers-1.0.2.tgz#772b0ae6aaa525c399e489adfad90c403eb3c28f"
+  integrity sha512-pZAE+FJLoyITytdqK0U5s+FIpjN0JP3OzFi/u8Rx+EV5/W+JTWGXG8xFzevE7AjBfDqHv/8vL8qQsIhHnqRkrA==
+
+once@^1.3.0, once@^1.3.1, once@^1.4.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/once/-/once-1.4.0.tgz#583b1aa775961d4b113ac17d9c50baef9dd76bd1"
+  integrity sha1-WDsap3WWHUsROsF9nFC6753Xa9E=
+  dependencies:
+    wrappy "1"
+
+onetime@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/onetime/-/onetime-2.0.1.tgz#067428230fd67443b2794b22bba528b6867962d4"
+  integrity sha1-BnQoIw/WdEOyeUsiu6UotoZ5YtQ=
+  dependencies:
+    mimic-fn "^1.0.0"
+
+optionator@^0.8.2:
+  version "0.8.2"
+  resolved "https://registry.yarnpkg.com/optionator/-/optionator-0.8.2.tgz#364c5e409d3f4d6301d6c0b4c05bba50180aeb64"
+  integrity sha1-NkxeQJ0/TWMB1sC0wFu6UBgK62Q=
+  dependencies:
+    deep-is "~0.1.3"
+    fast-levenshtein "~2.0.4"
+    levn "~0.3.0"
+    prelude-ls "~1.1.2"
+    type-check "~0.3.2"
+    wordwrap "~1.0.0"
+
+os-locale@^3.0.0, os-locale@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/os-locale/-/os-locale-3.1.0.tgz#a802a6ee17f24c10483ab9935719cef4ed16bf1a"
+  integrity sha512-Z8l3R4wYWM40/52Z+S265okfFj8Kt2cC2MKY+xNi3kFs+XGI7WXu/I309QQQYbRW4ijiZ+yxs9pqEhJh0DqW3Q==
+  dependencies:
+    execa "^1.0.0"
+    lcid "^2.0.0"
+    mem "^4.0.0"
+
+os-tmpdir@~1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/os-tmpdir/-/os-tmpdir-1.0.2.tgz#bbe67406c79aa85c5cfec766fe5734555dfa1274"
+  integrity sha1-u+Z0BseaqFxc/sdm/lc0VV36EnQ=
+
+p-defer@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/p-defer/-/p-defer-1.0.0.tgz#9f6eb182f6c9aa8cd743004a7d4f96b196b0fb0c"
+  integrity sha1-n26xgvbJqozXQwBKfU+WsZaw+ww=
+
+p-finally@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/p-finally/-/p-finally-1.0.0.tgz#3fbcfb15b899a44123b34b6dcc18b724336a2cae"
+  integrity sha1-P7z7FbiZpEEjs0ttzBi3JDNqLK4=
+
+p-is-promise@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/p-is-promise/-/p-is-promise-2.1.0.tgz#918cebaea248a62cf7ffab8e3bca8c5f882fc42e"
+  integrity sha512-Y3W0wlRPK8ZMRbNq97l4M5otioeA5lm1z7bkNkxCka8HSPjR0xRWmpCmc9utiaLP9Jb1eD8BgeIxTW4AIF45Pg==
+
+p-limit@^2.0.0:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/p-limit/-/p-limit-2.2.1.tgz#aa07a788cc3151c939b5131f63570f0dd2009537"
+  integrity sha512-85Tk+90UCVWvbDavCLKPOLC9vvY8OwEX/RtKF+/1OADJMVlFfEHOiMTPVyxg7mk/dKa+ipdHm0OUkTvCpMTuwg==
+  dependencies:
+    p-try "^2.0.0"
+
+p-locate@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/p-locate/-/p-locate-3.0.0.tgz#322d69a05c0264b25997d9f40cd8a891ab0064a4"
+  integrity sha512-x+12w/To+4GFfgJhBEpiDcLozRJGegY+Ei7/z0tSLkMmxGZNybVMSfWj9aJn8Z5Fc7dBUNJOOVgPv2H7IwulSQ==
+  dependencies:
+    p-limit "^2.0.0"
+
+p-try@^2.0.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/p-try/-/p-try-2.2.0.tgz#cb2868540e313d61de58fafbe35ce9004d5540e6"
+  integrity sha512-R4nPAVTAU0B9D35/Gk3uJf/7XYbQcyohSKdvAxIRSNghFl4e71hVoGnBNQz9cWaXxO2I10KTC+3jMdvvoKw6dQ==
+
+parent-module@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/parent-module/-/parent-module-1.0.1.tgz#691d2709e78c79fae3a156622452d00762caaaa2"
+  integrity sha512-GQ2EWRpQV8/o+Aw8YqtfZZPfNRWZYkbidE9k5rpl/hC3vtHHBfGm2Ifi6qWV+coDGkrUKZAxE3Lot5kcsRlh+g==
+  dependencies:
+    callsites "^3.0.0"
+
+path-exists@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-3.0.0.tgz#ce0ebeaa5f78cb18925ea7d810d7b59b010fd515"
+  integrity sha1-zg6+ql94yxiSXqfYENe1mwEP1RU=
+
+path-is-absolute@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/path-is-absolute/-/path-is-absolute-1.0.1.tgz#174b9268735534ffbc7ace6bf53a5a9e1b5c5f5f"
+  integrity sha1-F0uSaHNVNP+8es5r9TpanhtcX18=
+
+path-is-inside@1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/path-is-inside/-/path-is-inside-1.0.2.tgz#365417dede44430d1c11af61027facf074bdfc53"
+  integrity sha1-NlQX3t5EQw0cEa9hAn+s8HS9/FM=
+
+path-key@^2.0.0, path-key@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/path-key/-/path-key-2.0.1.tgz#411cadb574c5a140d3a4b1910d40d80cc9f40b40"
+  integrity sha1-QRyttXTFoUDTpLGRDUDYDMn0C0A=
+
+path-to-regexp@2.2.1:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/path-to-regexp/-/path-to-regexp-2.2.1.tgz#90b617025a16381a879bc82a38d4e8bdeb2bcf45"
+  integrity sha512-gu9bD6Ta5bwGrrU8muHzVOBFFREpp2iRkVfhBJahwJ6p6Xw20SjT0MxLnwkjOibQmGSYhiUnf2FLe7k+jcFmGQ==
+
+pathval@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/pathval/-/pathval-1.1.0.tgz#b942e6d4bde653005ef6b71361def8727d0645e0"
+  integrity sha1-uULm1L3mUwBe9rcTYd74cn0GReA=
+
+prelude-ls@~1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.1.2.tgz#21932a549f5e52ffd9a827f570e04be62a97da54"
+  integrity sha1-IZMqVJ9eUv/ZqCf1cOBL5iqX2lQ=
+
+progress@^2.0.0:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/progress/-/progress-2.0.3.tgz#7e8cf8d8f5b8f239c1bc68beb4eb78567d572ef8"
+  integrity sha512-7PiHtLll5LdnKIMw100I+8xJXR5gW2QwWYkT6iJva0bXitZKa/XMrSbdmg3r2Xnaidz9Qumd0VPaMrZlF9V9sA==
+
+pseudomap@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/pseudomap/-/pseudomap-1.0.2.tgz#f052a28da70e618917ef0a8ac34c1ae5a68286b3"
+  integrity sha1-8FKijacOYYkX7wqKw0wa5aaChrM=
+
+pump@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/pump/-/pump-3.0.0.tgz#b4a2116815bde2f4e1ea602354e8c75565107a64"
+  integrity sha512-LwZy+p3SFs1Pytd/jYct4wpv49HiYCqd9Rlc5ZVdk0V+8Yzv6jR5Blk3TRmPL1ft69TxP0IMZGJ+WPFU2BFhww==
+  dependencies:
+    end-of-stream "^1.1.0"
+    once "^1.3.1"
+
+punycode@^1.3.2:
+  version "1.4.1"
+  resolved "https://registry.yarnpkg.com/punycode/-/punycode-1.4.1.tgz#c0d5a63b2718800ad8e1eb0fa5269c84dd41845e"
+  integrity sha1-wNWmOycYgArY4esPpSachN1BhF4=
+
+punycode@^2.1.0:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/punycode/-/punycode-2.1.1.tgz#b58b010ac40c22c5657616c8d2c2c02c7bf479ec"
+  integrity sha512-XRsRjdf+j5ml+y/6GKHPZbrF/8p2Yga0JPtdqTIY2Xe5ohJPD9saDJJLPvp9+NSBprVvevdXZybnj2cv8OEd0A==
+
+range-parser@1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/range-parser/-/range-parser-1.2.0.tgz#f49be6b487894ddc40dcc94a322f611092e00d5e"
+  integrity sha1-9JvmtIeJTdxA3MlKMi9hEJLgDV4=
+
+rc@^1.0.1, rc@^1.1.6:
+  version "1.2.8"
+  resolved "https://registry.yarnpkg.com/rc/-/rc-1.2.8.tgz#cd924bf5200a075b83c188cd6b9e211b7fc0d3ed"
+  integrity sha512-y3bGgqKj3QBdxLbLkomlohkvsA8gdAiUQlSBJnBhfn+BPxg4bc62d8TcBW15wavDfgexCgccckhcZvywyQYPOw==
+  dependencies:
+    deep-extend "^0.6.0"
+    ini "~1.3.0"
+    minimist "^1.2.0"
+    strip-json-comments "~2.0.1"
+
+regexpp@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/regexpp/-/regexpp-2.0.1.tgz#8d19d31cf632482b589049f8281f93dbcba4d07f"
+  integrity sha512-lv0M6+TkDVniA3aD1Eg0DVpfU/booSu7Eev3TDO/mZKHBfVjgCGTV4t4buppESEYDtkArYFOxTJWv6S5C+iaNw==
+
+registry-auth-token@3.3.2:
+  version "3.3.2"
+  resolved "https://registry.yarnpkg.com/registry-auth-token/-/registry-auth-token-3.3.2.tgz#851fd49038eecb586911115af845260eec983f20"
+  integrity sha512-JL39c60XlzCVgNrO+qq68FoNb56w/m7JYvGR2jT5iR1xBrUA3Mfx5Twk5rqTThPmQKMWydGmq8oFtDlxfrmxnQ==
+  dependencies:
+    rc "^1.1.6"
+    safe-buffer "^5.0.1"
+
+registry-url@3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/registry-url/-/registry-url-3.1.0.tgz#3d4ef870f73dde1d77f0cf9a381432444e174942"
+  integrity sha1-PU74cPc93h138M+aOBQyRE4XSUI=
+  dependencies:
+    rc "^1.0.1"
+
+require-directory@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/require-directory/-/require-directory-2.1.1.tgz#8c64ad5fd30dab1c976e2344ffe7f792a6a6df42"
+  integrity sha1-jGStX9MNqxyXbiNE/+f3kqam30I=
+
+require-main-filename@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/require-main-filename/-/require-main-filename-1.0.1.tgz#97f717b69d48784f5f526a6c5aa8ffdda055a4d1"
+  integrity sha1-l/cXtp1IeE9fUmpsWqj/3aBVpNE=
+
+require-main-filename@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/require-main-filename/-/require-main-filename-2.0.0.tgz#d0b329ecc7cc0f61649f62215be69af54aa8989b"
+  integrity sha512-NKN5kMDylKuldxYLSUfrbo5Tuzh4hd+2E8NPPX02mZtn1VuREQToYe/ZdlJy+J3uCpfaiGF05e7B8W0iXbQHmg==
+
+resolve-from@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/resolve-from/-/resolve-from-4.0.0.tgz#4abcd852ad32dd7baabfe9b40e00a36db5f392e6"
+  integrity sha512-pb/MYmXstAkysRFx8piNI1tGFNQIFA3vkE3Gq4EuA1dF6gHp/+vgZqsCGJapvy8N3Q+4o7FwvquPJcnZ7RYy4g==
+
+restore-cursor@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/restore-cursor/-/restore-cursor-2.0.0.tgz#9f7ee287f82fd326d4fd162923d62129eee0dfaf"
+  integrity sha1-n37ih/gv0ybU/RYpI9YhKe7g368=
+  dependencies:
+    onetime "^2.0.0"
+    signal-exit "^3.0.2"
+
+rimraf@2.6.3:
+  version "2.6.3"
+  resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.6.3.tgz#b2d104fe0d8fb27cf9e0a1cda8262dd3833c6cab"
+  integrity sha512-mwqeW5XsA2qAejG46gYdENaxXjx9onRNCfn7L0duuP4hCuTIi/QO7PDK07KJfp1d+izWPrzEJDcSqBa0OZQriA==
+  dependencies:
+    glob "^7.1.3"
+
+rollup@^1.21.4:
+  version "1.21.4"
+  resolved "https://registry.yarnpkg.com/rollup/-/rollup-1.21.4.tgz#00a41a30f90095db890301b226cbe2918e4cf54d"
+  integrity sha512-Pl512XVCmVzgcBz5h/3Li4oTaoDcmpuFZ+kdhS/wLreALz//WuDAMfomD3QEYl84NkDu6Z6wV9twlcREb4qQsw==
+  dependencies:
+    "@types/estree" "0.0.39"
+    "@types/node" "^12.7.5"
+    acorn "^7.0.0"
+
+run-async@^2.2.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/run-async/-/run-async-2.3.0.tgz#0371ab4ae0bdd720d4166d7dfda64ff7a445a6c0"
+  integrity sha1-A3GrSuC91yDUFm19/aZP96RFpsA=
+  dependencies:
+    is-promise "^2.1.0"
+
+rxjs@^6.4.0:
+  version "6.5.3"
+  resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-6.5.3.tgz#510e26317f4db91a7eb1de77d9dd9ba0a4899a3a"
+  integrity sha512-wuYsAYYFdWTAnAaPoKGNhfpWwKZbJW+HgAJ+mImp+Epl7BG8oNWBCTyRM8gba9k4lk8BgWdoYm21Mo/RYhhbgA==
+  dependencies:
+    tslib "^1.9.0"
+
+safe-buffer@5.1.2:
+  version "5.1.2"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
+  integrity sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==
+
+safe-buffer@^5.0.1:
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.0.tgz#b74daec49b1148f88c64b68d49b1e815c1f2f519"
+  integrity sha512-fZEwUGbVl7kouZs1jCdMLdt95hdIv0ZeHg6L7qPeciMZhZ+/gdesW4wgTARkrFWEpspjEATAzUGPG8N2jJiwbg==
+
+"safer-buffer@>= 2.1.2 < 3":
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/safer-buffer/-/safer-buffer-2.1.2.tgz#44fa161b0187b9549dd84bb91802f9bd8385cd6a"
+  integrity sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==
+
+semver@^5.5.0, semver@^5.7.0:
+  version "5.7.1"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-5.7.1.tgz#a954f931aeba508d307bbf069eff0c01c96116f7"
+  integrity sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==
+
+semver@^6.1.2:
+  version "6.3.0"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-6.3.0.tgz#ee0a64c8af5e8ceea67687b133761e1becbd1d3d"
+  integrity sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==
+
+serve-handler@6.1.0:
+  version "6.1.0"
+  resolved "https://registry.yarnpkg.com/serve-handler/-/serve-handler-6.1.0.tgz#f1606dc6ff8f9029a1ee042c11dfe7903a5cb92e"
+  integrity sha512-63N075Tn3PsFYcu0NVV7tb367UbiW3gnC+/50ohL4oqOhAG6bmbaWqiRcXQgbzqc0ALBjSAzg7VTfa0Qw4E3hA==
+  dependencies:
+    bytes "3.0.0"
+    content-disposition "0.5.2"
+    fast-url-parser "1.1.3"
+    mime-types "2.1.18"
+    minimatch "3.0.4"
+    path-is-inside "1.0.2"
+    path-to-regexp "2.2.1"
+    range-parser "1.2.0"
+
+serve@^11.1.0:
+  version "11.1.0"
+  resolved "https://registry.yarnpkg.com/serve/-/serve-11.1.0.tgz#1bfe2f4a08d0130cbf44711cdb7996cb742172e0"
+  integrity sha512-+4wpDtOSS+4ZLyDWMxThutA3iOTawX2+yDovOI8cjOUOmemyvNlHyFAsezBlSgbZKTYChI3tzA1Mh0z6XZ62qA==
+  dependencies:
+    "@zeit/schemas" "2.6.0"
+    ajv "6.5.3"
+    arg "2.0.0"
+    boxen "1.3.0"
+    chalk "2.4.1"
+    clipboardy "1.2.3"
+    compression "1.7.3"
+    serve-handler "6.1.0"
+    update-check "1.5.2"
+
+set-blocking@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/set-blocking/-/set-blocking-2.0.0.tgz#045f9782d011ae9a6803ddd382b24392b3d890f7"
+  integrity sha1-BF+XgtARrppoA93TgrJDkrPYkPc=
+
+shebang-command@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/shebang-command/-/shebang-command-1.2.0.tgz#44aac65b695b03398968c39f363fee5deafdf1ea"
+  integrity sha1-RKrGW2lbAzmJaMOfNj/uXer98eo=
+  dependencies:
+    shebang-regex "^1.0.0"
+
+shebang-regex@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/shebang-regex/-/shebang-regex-1.0.0.tgz#da42f49740c0b42db2ca9728571cb190c98efea3"
+  integrity sha1-2kL0l0DAtC2yypcoVxyxkMmO/qM=
+
+signal-exit@^3.0.0, signal-exit@^3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.2.tgz#b5fdc08f1287ea1178628e415e25132b73646c6d"
+  integrity sha1-tf3AjxKH6hF4Yo5BXiUTK3NkbG0=
+
+slice-ansi@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/slice-ansi/-/slice-ansi-2.1.0.tgz#cacd7693461a637a5788d92a7dd4fba068e81636"
+  integrity sha512-Qu+VC3EwYLldKa1fCxuuvULvSJOKEgk9pi8dZeCVK7TqBfUNTH4sFkk4joj8afVSfAYgJoSOetjx9QWOJ5mYoQ==
+  dependencies:
+    ansi-styles "^3.2.0"
+    astral-regex "^1.0.0"
+    is-fullwidth-code-point "^2.0.0"
+
+sprintf-js@~1.0.2:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/sprintf-js/-/sprintf-js-1.0.3.tgz#04e6926f662895354f3dd015203633b857297e2c"
+  integrity sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw=
+
+string-width@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/string-width/-/string-width-1.0.2.tgz#118bdf5b8cdc51a2a7e70d211e07e2b0b9b107d3"
+  integrity sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=
+  dependencies:
+    code-point-at "^1.0.0"
+    is-fullwidth-code-point "^1.0.0"
+    strip-ansi "^3.0.0"
+
+"string-width@^1.0.2 || 2", string-width@^2.0.0, string-width@^2.1.0, string-width@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/string-width/-/string-width-2.1.1.tgz#ab93f27a8dc13d28cac815c462143a6d9012ae9e"
+  integrity sha512-nOqH59deCq9SRHlxq1Aw85Jnt4w6KvLKqWVik6oA9ZklXLNIOlqg4F2yrT1MVaTjAqvVwdfeZ7w7aCvJD7ugkw==
+  dependencies:
+    is-fullwidth-code-point "^2.0.0"
+    strip-ansi "^4.0.0"
+
+string-width@^3.0.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/string-width/-/string-width-3.1.0.tgz#22767be21b62af1081574306f69ac51b62203961"
+  integrity sha512-vafcv6KjVZKSgz06oM/H6GDBrAtz8vdhQakGjFIvNrHA6y3HCF1CInLy+QLq8dTJPQ1b+KDUqDFctkdRW44e1w==
+  dependencies:
+    emoji-regex "^7.0.1"
+    is-fullwidth-code-point "^2.0.0"
+    strip-ansi "^5.1.0"
+
+string.prototype.trimleft@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/string.prototype.trimleft/-/string.prototype.trimleft-2.1.0.tgz#6cc47f0d7eb8d62b0f3701611715a3954591d634"
+  integrity sha512-FJ6b7EgdKxxbDxc79cOlok6Afd++TTs5szo+zJTUyow3ycrRfJVE2pq3vcN53XexvKZu/DJMDfeI/qMiZTrjTw==
+  dependencies:
+    define-properties "^1.1.3"
+    function-bind "^1.1.1"
+
+string.prototype.trimright@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/string.prototype.trimright/-/string.prototype.trimright-2.1.0.tgz#669d164be9df9b6f7559fa8e89945b168a5a6c58"
+  integrity sha512-fXZTSV55dNBwv16uw+hh5jkghxSnc5oHq+5K/gXgizHwAvMetdAJlHqqoFC1FSDVPYWLkAKl2cxpUT41sV7nSg==
+  dependencies:
+    define-properties "^1.1.3"
+    function-bind "^1.1.1"
+
+strip-ansi@^3.0.0, strip-ansi@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-3.0.1.tgz#6a385fb8853d952d5ff05d0e8aaf94278dc63dcf"
+  integrity sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=
+  dependencies:
+    ansi-regex "^2.0.0"
+
+strip-ansi@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-4.0.0.tgz#a8479022eb1ac368a871389b635262c505ee368f"
+  integrity sha1-qEeQIusaw2iocTibY1JixQXuNo8=
+  dependencies:
+    ansi-regex "^3.0.0"
+
+strip-ansi@^5.1.0, strip-ansi@^5.2.0:
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-5.2.0.tgz#8c9a536feb6afc962bdfa5b104a5091c1ad9c0ae"
+  integrity sha512-DuRs1gKbBqsMKIZlrffwlug8MHkcnpjs5VPmL1PAh+mA30U0DTotfDZ0d2UUsXpPmPmMMJ6W773MaA3J+lbiWA==
+  dependencies:
+    ansi-regex "^4.1.0"
+
+strip-eof@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/strip-eof/-/strip-eof-1.0.0.tgz#bb43ff5598a6eb05d89b59fcd129c983313606bf"
+  integrity sha1-u0P/VZim6wXYm1n80SnJgzE2Br8=
+
+strip-json-comments@2.0.1, strip-json-comments@~2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/strip-json-comments/-/strip-json-comments-2.0.1.tgz#3c531942e908c2697c0ec344858c286c7ca0a60a"
+  integrity sha1-PFMZQukIwml8DsNEhYwobHygpgo=
+
+strip-json-comments@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/strip-json-comments/-/strip-json-comments-3.0.1.tgz#85713975a91fb87bf1b305cca77395e40d2a64a7"
+  integrity sha512-VTyMAUfdm047mwKl+u79WIdrZxtFtn+nBxHeb844XBQ9uMNTuTHdx2hc5RiAJYqwTj3wc/xe5HLSdJSkJ+WfZw==
+
+supports-color@6.0.0:
+  version "6.0.0"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-6.0.0.tgz#76cfe742cf1f41bb9b1c29ad03068c05b4c0e40a"
+  integrity sha512-on9Kwidc1IUQo+bQdhi8+Tijpo0e1SS6RoGo2guUwn5vdaxw8RXOF9Vb2ws+ihWOmh4JnCJOvaziZWP1VABaLg==
+  dependencies:
+    has-flag "^3.0.0"
+
+supports-color@^5.3.0:
+  version "5.5.0"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-5.5.0.tgz#e2e69a44ac8772f78a1ec0b35b689df6530efc8f"
+  integrity sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==
+  dependencies:
+    has-flag "^3.0.0"
+
+table@^5.2.3:
+  version "5.4.6"
+  resolved "https://registry.yarnpkg.com/table/-/table-5.4.6.tgz#1292d19500ce3f86053b05f0e8e7e4a3bb21079e"
+  integrity sha512-wmEc8m4fjnob4gt5riFRtTu/6+4rSe12TpAELNSqHMfF3IqnA+CH37USM6/YR3qRZv7e56kAEAtd6nKZaxe0Ug==
+  dependencies:
+    ajv "^6.10.2"
+    lodash "^4.17.14"
+    slice-ansi "^2.1.0"
+    string-width "^3.0.0"
+
+term-size@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/term-size/-/term-size-1.2.0.tgz#458b83887f288fc56d6fffbfad262e26638efa69"
+  integrity sha1-RYuDiH8oj8Vtb/+/rSYuJmOO+mk=
+  dependencies:
+    execa "^0.7.0"
+
+text-table@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/text-table/-/text-table-0.2.0.tgz#7f5ee823ae805207c00af2df4a84ec3fcfa570b4"
+  integrity sha1-f17oI66AUgfACvLfSoTsP8+lcLQ=
+
+through@^2.3.6:
+  version "2.3.8"
+  resolved "https://registry.yarnpkg.com/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
+  integrity sha1-DdTJ/6q8NXlgsbckEV1+Doai4fU=
+
+tmp@^0.0.33:
+  version "0.0.33"
+  resolved "https://registry.yarnpkg.com/tmp/-/tmp-0.0.33.tgz#6d34335889768d21b2bcda0aa277ced3b1bfadf9"
+  integrity sha512-jRCJlojKnZ3addtTOjdIqoRuPEKBvNXcGYqzO6zWZX8KfKEpnGY5jfggJQ3EjKuu8D4bJRr0y+cYJFmYbImXGw==
+  dependencies:
+    os-tmpdir "~1.0.2"
+
+tslib@^1.9.0:
+  version "1.10.0"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.10.0.tgz#c3c19f95973fb0a62973fb09d90d961ee43e5c8a"
+  integrity sha512-qOebF53frne81cf0S9B41ByenJ3/IuH8yJKngAX35CmiZySA0khhkovshKK+jGCaMnVomla7gVlIcc3EvKPbTQ==
+
+type-check@~0.3.2:
+  version "0.3.2"
+  resolved "https://registry.yarnpkg.com/type-check/-/type-check-0.3.2.tgz#5884cab512cf1d355e3fb784f30804b2b520db72"
+  integrity sha1-WITKtRLPHTVeP7eE8wgEsrUg23I=
+  dependencies:
+    prelude-ls "~1.1.2"
+
+type-detect@^4.0.0, type-detect@^4.0.5:
+  version "4.0.8"
+  resolved "https://registry.yarnpkg.com/type-detect/-/type-detect-4.0.8.tgz#7646fb5f18871cfbb7749e69bd39a6388eb7450c"
+  integrity sha512-0fr/mIH1dlO+x7TlcMy+bIDqKPsw/70tVyeHW787goQjhmqaZe10uwLujubK9q9Lg6Fiho1KUKDYz0Z7k7g5/g==
+
+update-check@1.5.2:
+  version "1.5.2"
+  resolved "https://registry.yarnpkg.com/update-check/-/update-check-1.5.2.tgz#2fe09f725c543440b3d7dabe8971f2d5caaedc28"
+  integrity sha512-1TrmYLuLj/5ZovwUS7fFd1jMH3NnFDN1y1A8dboedIDt7zs/zJMo6TwwlhYKkSeEwzleeiSBV5/3c9ufAQWDaQ==
+  dependencies:
+    registry-auth-token "3.3.2"
+    registry-url "3.1.0"
+
+uri-js@^4.2.2:
+  version "4.2.2"
+  resolved "https://registry.yarnpkg.com/uri-js/-/uri-js-4.2.2.tgz#94c540e1ff772956e2299507c010aea6c8838eb0"
+  integrity sha512-KY9Frmirql91X2Qgjry0Wd4Y+YTdrdZheS8TFwvkbLWf/G5KNJDCh6pKL5OZctEW4+0Baa5idK2ZQuELRwPznQ==
+  dependencies:
+    punycode "^2.1.0"
+
+v8-compile-cache@^2.0.3:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/v8-compile-cache/-/v8-compile-cache-2.1.0.tgz#e14de37b31a6d194f5690d67efc4e7f6fc6ab30e"
+  integrity sha512-usZBT3PW+LOjM25wbqIlZwPeJV+3OSz3M1k1Ws8snlW39dZyYL9lOGC5FgPVHfk0jKmjiDV8Z0mIbVQPiwFs7g==
+
+vary@~1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/vary/-/vary-1.1.2.tgz#2299f02c6ded30d4a5961b0b9f74524a18f634fc"
+  integrity sha1-IpnwLG3tMNSllhsLn3RSShj2NPw=
+
+which-module@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/which-module/-/which-module-2.0.0.tgz#d9ef07dce77b9902b8a3a8fa4b31c3e3f7e6e87a"
+  integrity sha1-2e8H3Od7mQK4o6j6SzHD4/fm6Ho=
+
+which@1.3.1, which@^1.2.9:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/which/-/which-1.3.1.tgz#a45043d54f5805316da8d62f9f50918d3da70b0a"
+  integrity sha512-HxJdYWq1MTIQbJ3nw0cqssHoTNU267KlrDuGZ1WYlxDStUtKUhOaJmh112/TZmHxxUfuJqPXSOm7tDyas0OSIQ==
+  dependencies:
+    isexe "^2.0.0"
+
+wide-align@1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/wide-align/-/wide-align-1.1.3.tgz#ae074e6bdc0c14a431e804e624549c633b000457"
+  integrity sha512-QGkOQc8XL6Bt5PwnsExKBPuMKBxnGxWWW3fU55Xt4feHozMUhdUMaBCk290qpm/wG5u/RSKzwdAC4i51YigihA==
+  dependencies:
+    string-width "^1.0.2 || 2"
+
+widest-line@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/widest-line/-/widest-line-2.0.1.tgz#7438764730ec7ef4381ce4df82fb98a53142a3fc"
+  integrity sha512-Ba5m9/Fa4Xt9eb2ELXt77JxVDV8w7qQrH0zS/TWSJdLyAwQjWoOzpzj5lwVftDz6n/EOu3tNACS84v509qwnJA==
+  dependencies:
+    string-width "^2.1.1"
+
+wordwrap@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-1.0.0.tgz#27584810891456a4171c8d0226441ade90cbcaeb"
+  integrity sha1-J1hIEIkUVqQXHI0CJkQa3pDLyus=
+
+wrap-ansi@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/wrap-ansi/-/wrap-ansi-2.1.0.tgz#d8fc3d284dd05794fe84973caecdd1cf824fdd85"
+  integrity sha1-2Pw9KE3QV5T+hJc8rs3Rz4JP3YU=
+  dependencies:
+    string-width "^1.0.1"
+    strip-ansi "^3.0.1"
+
+wrappy@1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
+  integrity sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=
+
+write@1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/write/-/write-1.0.3.tgz#0800e14523b923a387e415123c865616aae0f5c3"
+  integrity sha512-/lg70HAjtkUgWPVZhZcm+T4hkL8Zbtp1nFNOn3lRrxnlv50SRBv7cR7RqR+GMsd3hUXy9hWBo4CHTbFTcOYwig==
+  dependencies:
+    mkdirp "^0.5.1"
+
+"y18n@^3.2.1 || ^4.0.0", y18n@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/y18n/-/y18n-4.0.0.tgz#95ef94f85ecc81d007c264e190a120f0a3c8566b"
+  integrity sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w==
+
+yallist@^2.1.2:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/yallist/-/yallist-2.1.2.tgz#1c11f9218f076089a47dd512f93c6699a6a81d52"
+  integrity sha1-HBH5IY8HYImkfdUS+TxmmaaoHVI=
+
+yargs-parser@13.0.0:
+  version "13.0.0"
+  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-13.0.0.tgz#3fc44f3e76a8bdb1cc3602e860108602e5ccde8b"
+  integrity sha512-w2LXjoL8oRdRQN+hOyppuXs+V/fVAYtpcrRxZuF7Kt/Oc+Jr2uAcVntaUTNT6w5ihoWfFDpNY8CPx1QskxZ/pw==
+  dependencies:
+    camelcase "^5.0.0"
+    decamelize "^1.2.0"
+
+yargs-parser@^11.1.1:
+  version "11.1.1"
+  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-11.1.1.tgz#879a0865973bca9f6bab5cbdf3b1c67ec7d3bcf4"
+  integrity sha512-C6kB/WJDiaxONLJQnF8ccx9SEeoTTLek8RVbaOIsrAUS8VrBEXfmeSnCZxygc+XC2sNMBIwOOnfcxiynjHsVSQ==
+  dependencies:
+    camelcase "^5.0.0"
+    decamelize "^1.2.0"
+
+yargs-parser@^13.0.0:
+  version "13.1.1"
+  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-13.1.1.tgz#d26058532aa06d365fe091f6a1fc06b2f7e5eca0"
+  integrity sha512-oVAVsHz6uFrg3XQheFII8ESO2ssAf9luWuAd6Wexsu4F3OtIW0o8IribPXYrD4WC24LWtPrJlGy87y5udK+dxQ==
+  dependencies:
+    camelcase "^5.0.0"
+    decamelize "^1.2.0"
+
+yargs-unparser@1.5.0:
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/yargs-unparser/-/yargs-unparser-1.5.0.tgz#f2bb2a7e83cbc87bb95c8e572828a06c9add6e0d"
+  integrity sha512-HK25qidFTCVuj/D1VfNiEndpLIeJN78aqgR23nL3y4N0U/91cOAzqfHlF8n2BvoNDcZmJKin3ddNSvOxSr8flw==
+  dependencies:
+    flat "^4.1.0"
+    lodash "^4.17.11"
+    yargs "^12.0.5"
+
+yargs@13.2.2:
+  version "13.2.2"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-13.2.2.tgz#0c101f580ae95cea7f39d927e7770e3fdc97f993"
+  integrity sha512-WyEoxgyTD3w5XRpAQNYUB9ycVH/PQrToaTXdYXRdOXvEy1l19br+VJsc0vcO8PTGg5ro/l/GY7F/JMEBmI0BxA==
+  dependencies:
+    cliui "^4.0.0"
+    find-up "^3.0.0"
+    get-caller-file "^2.0.1"
+    os-locale "^3.1.0"
+    require-directory "^2.1.1"
+    require-main-filename "^2.0.0"
+    set-blocking "^2.0.0"
+    string-width "^3.0.0"
+    which-module "^2.0.0"
+    y18n "^4.0.0"
+    yargs-parser "^13.0.0"
+
+yargs@^12.0.5:
+  version "12.0.5"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-12.0.5.tgz#05f5997b609647b64f66b81e3b4b10a368e7ad13"
+  integrity sha512-Lhz8TLaYnxq/2ObqHDql8dX8CJi97oHxrjUcYtzKbbykPtVW9WB+poxI+NM2UIzsMgNCZTIf0AQwsjK5yMAqZw==
+  dependencies:
+    cliui "^4.0.0"
+    decamelize "^1.2.0"
+    find-up "^3.0.0"
+    get-caller-file "^1.0.1"
+    os-locale "^3.0.0"
+    require-directory "^2.1.1"
+    require-main-filename "^1.0.1"
+    set-blocking "^2.0.0"
+    string-width "^2.0.0"
+    which-module "^2.0.0"
+    y18n "^3.2.1 || ^4.0.0"
+    yargs-parser "^11.1.1"
commit	605c2e3c0ea7cab09c6cc3bc2a48030ba78d3a03	[log] [tgz]
author	dan sinclair <dsinclair@google.com>	Wed Sep 18 18:11:10 2019 -0400
committer	GitHub <noreply@github.com>	Wed Sep 18 18:11:10 2019 -0400
tree	318108573518edf48574cf284276bc71151d8841
parent	acf20302cf923d436a6a2889beda6c069a29caba [diff]