source: trip-planner-front/node_modules/@angular/compiler/src/output/source_map.js@ 6a3a178

Last change on this file since 6a3a178 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

  • Property mode set to 100644
File size: 22.2 KB
Line 
1/**
2 * @license
3 * Copyright Google LLC All Rights Reserved.
4 *
5 * Use of this source code is governed by an MIT-style license that can be
6 * found in the LICENSE file at https://angular.io/license
7 */
8(function (factory) {
9 if (typeof module === "object" && typeof module.exports === "object") {
10 var v = factory(require, exports);
11 if (v !== undefined) module.exports = v;
12 }
13 else if (typeof define === "function" && define.amd) {
14 define("@angular/compiler/src/output/source_map", ["require", "exports", "@angular/compiler/src/util"], factory);
15 }
16})(function (require, exports) {
17 "use strict";
18 Object.defineProperty(exports, "__esModule", { value: true });
19 exports.toBase64String = exports.SourceMapGenerator = void 0;
20 var util_1 = require("@angular/compiler/src/util");
21 // https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit
22 var VERSION = 3;
23 var JS_B64_PREFIX = '# sourceMappingURL=data:application/json;base64,';
24 var SourceMapGenerator = /** @class */ (function () {
25 function SourceMapGenerator(file) {
26 if (file === void 0) { file = null; }
27 this.file = file;
28 this.sourcesContent = new Map();
29 this.lines = [];
30 this.lastCol0 = 0;
31 this.hasMappings = false;
32 }
33 // The content is `null` when the content is expected to be loaded using the URL
34 SourceMapGenerator.prototype.addSource = function (url, content) {
35 if (content === void 0) { content = null; }
36 if (!this.sourcesContent.has(url)) {
37 this.sourcesContent.set(url, content);
38 }
39 return this;
40 };
41 SourceMapGenerator.prototype.addLine = function () {
42 this.lines.push([]);
43 this.lastCol0 = 0;
44 return this;
45 };
46 SourceMapGenerator.prototype.addMapping = function (col0, sourceUrl, sourceLine0, sourceCol0) {
47 if (!this.currentLine) {
48 throw new Error("A line must be added before mappings can be added");
49 }
50 if (sourceUrl != null && !this.sourcesContent.has(sourceUrl)) {
51 throw new Error("Unknown source file \"" + sourceUrl + "\"");
52 }
53 if (col0 == null) {
54 throw new Error("The column in the generated code must be provided");
55 }
56 if (col0 < this.lastCol0) {
57 throw new Error("Mapping should be added in output order");
58 }
59 if (sourceUrl && (sourceLine0 == null || sourceCol0 == null)) {
60 throw new Error("The source location must be provided when a source url is provided");
61 }
62 this.hasMappings = true;
63 this.lastCol0 = col0;
64 this.currentLine.push({ col0: col0, sourceUrl: sourceUrl, sourceLine0: sourceLine0, sourceCol0: sourceCol0 });
65 return this;
66 };
67 Object.defineProperty(SourceMapGenerator.prototype, "currentLine", {
68 /**
69 * @internal strip this from published d.ts files due to
70 * https://github.com/microsoft/TypeScript/issues/36216
71 */
72 get: function () {
73 return this.lines.slice(-1)[0];
74 },
75 enumerable: false,
76 configurable: true
77 });
78 SourceMapGenerator.prototype.toJSON = function () {
79 var _this = this;
80 if (!this.hasMappings) {
81 return null;
82 }
83 var sourcesIndex = new Map();
84 var sources = [];
85 var sourcesContent = [];
86 Array.from(this.sourcesContent.keys()).forEach(function (url, i) {
87 sourcesIndex.set(url, i);
88 sources.push(url);
89 sourcesContent.push(_this.sourcesContent.get(url) || null);
90 });
91 var mappings = '';
92 var lastCol0 = 0;
93 var lastSourceIndex = 0;
94 var lastSourceLine0 = 0;
95 var lastSourceCol0 = 0;
96 this.lines.forEach(function (segments) {
97 lastCol0 = 0;
98 mappings += segments
99 .map(function (segment) {
100 // zero-based starting column of the line in the generated code
101 var segAsStr = toBase64VLQ(segment.col0 - lastCol0);
102 lastCol0 = segment.col0;
103 if (segment.sourceUrl != null) {
104 // zero-based index into the “sources” list
105 segAsStr +=
106 toBase64VLQ(sourcesIndex.get(segment.sourceUrl) - lastSourceIndex);
107 lastSourceIndex = sourcesIndex.get(segment.sourceUrl);
108 // the zero-based starting line in the original source
109 segAsStr += toBase64VLQ(segment.sourceLine0 - lastSourceLine0);
110 lastSourceLine0 = segment.sourceLine0;
111 // the zero-based starting column in the original source
112 segAsStr += toBase64VLQ(segment.sourceCol0 - lastSourceCol0);
113 lastSourceCol0 = segment.sourceCol0;
114 }
115 return segAsStr;
116 })
117 .join(',');
118 mappings += ';';
119 });
120 mappings = mappings.slice(0, -1);
121 return {
122 'file': this.file || '',
123 'version': VERSION,
124 'sourceRoot': '',
125 'sources': sources,
126 'sourcesContent': sourcesContent,
127 'mappings': mappings,
128 };
129 };
130 SourceMapGenerator.prototype.toJsComment = function () {
131 return this.hasMappings ? '//' + JS_B64_PREFIX + toBase64String(JSON.stringify(this, null, 0)) :
132 '';
133 };
134 return SourceMapGenerator;
135 }());
136 exports.SourceMapGenerator = SourceMapGenerator;
137 function toBase64String(value) {
138 var b64 = '';
139 var encoded = util_1.utf8Encode(value);
140 for (var i = 0; i < encoded.length;) {
141 var i1 = encoded[i++];
142 var i2 = i < encoded.length ? encoded[i++] : null;
143 var i3 = i < encoded.length ? encoded[i++] : null;
144 b64 += toBase64Digit(i1 >> 2);
145 b64 += toBase64Digit(((i1 & 3) << 4) | (i2 === null ? 0 : i2 >> 4));
146 b64 += i2 === null ? '=' : toBase64Digit(((i2 & 15) << 2) | (i3 === null ? 0 : i3 >> 6));
147 b64 += i2 === null || i3 === null ? '=' : toBase64Digit(i3 & 63);
148 }
149 return b64;
150 }
151 exports.toBase64String = toBase64String;
152 function toBase64VLQ(value) {
153 value = value < 0 ? ((-value) << 1) + 1 : value << 1;
154 var out = '';
155 do {
156 var digit = value & 31;
157 value = value >> 5;
158 if (value > 0) {
159 digit = digit | 32;
160 }
161 out += toBase64Digit(digit);
162 } while (value > 0);
163 return out;
164 }
165 var B64_DIGITS = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
166 function toBase64Digit(value) {
167 if (value < 0 || value >= 64) {
168 throw new Error("Can only encode value in the range [0, 63]");
169 }
170 return B64_DIGITS[value];
171 }
172});
173//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"source_map.js","sourceRoot":"","sources":["../../../../../../../packages/compiler/src/output/source_map.ts"],"names":[],"mappings":"AAAA;;;;;;GAMG;;;;;;;;;;;;;IAEH,mDAAmC;IAEnC,uFAAuF;IACvF,IAAM,OAAO,GAAG,CAAC,CAAC;IAElB,IAAM,aAAa,GAAG,kDAAkD,CAAC;IAkBzE;QAME,4BAAoB,IAAwB;YAAxB,qBAAA,EAAA,WAAwB;YAAxB,SAAI,GAAJ,IAAI,CAAoB;YALpC,mBAAc,GAA6B,IAAI,GAAG,EAAE,CAAC;YACrD,UAAK,GAAgB,EAAE,CAAC;YACxB,aAAQ,GAAW,CAAC,CAAC;YACrB,gBAAW,GAAG,KAAK,CAAC;QAEmB,CAAC;QAEhD,gFAAgF;QAChF,sCAAS,GAAT,UAAU,GAAW,EAAE,OAA2B;YAA3B,wBAAA,EAAA,cAA2B;YAChD,IAAI,CAAC,IAAI,CAAC,cAAc,CAAC,GAAG,CAAC,GAAG,CAAC,EAAE;gBACjC,IAAI,CAAC,cAAc,CAAC,GAAG,CAAC,GAAG,EAAE,OAAO,CAAC,CAAC;aACvC;YACD,OAAO,IAAI,CAAC;QACd,CAAC;QAED,oCAAO,GAAP;YACE,IAAI,CAAC,KAAK,CAAC,IAAI,CAAC,EAAE,CAAC,CAAC;YACpB,IAAI,CAAC,QAAQ,GAAG,CAAC,CAAC;YAClB,OAAO,IAAI,CAAC;QACd,CAAC;QAED,uCAAU,GAAV,UAAW,IAAY,EAAE,SAAkB,EAAE,WAAoB,EAAE,UAAmB;YACpF,IAAI,CAAC,IAAI,CAAC,WAAW,EAAE;gBACrB,MAAM,IAAI,KAAK,CAAC,mDAAmD,CAAC,CAAC;aACtE;YACD,IAAI,SAAS,IAAI,IAAI,IAAI,CAAC,IAAI,CAAC,cAAc,CAAC,GAAG,CAAC,SAAS,CAAC,EAAE;gBAC5D,MAAM,IAAI,KAAK,CAAC,2BAAwB,SAAS,OAAG,CAAC,CAAC;aACvD;YACD,IAAI,IAAI,IAAI,IAAI,EAAE;gBAChB,MAAM,IAAI,KAAK,CAAC,mDAAmD,CAAC,CAAC;aACtE;YACD,IAAI,IAAI,GAAG,IAAI,CAAC,QAAQ,EAAE;gBACxB,MAAM,IAAI,KAAK,CAAC,yCAAyC,CAAC,CAAC;aAC5D;YACD,IAAI,SAAS,IAAI,CAAC,WAAW,IAAI,IAAI,IAAI,UAAU,IAAI,IAAI,CAAC,EAAE;gBAC5D,MAAM,IAAI,KAAK,CAAC,oEAAoE,CAAC,CAAC;aACvF;YAED,IAAI,CAAC,WAAW,GAAG,IAAI,CAAC;YACxB,IAAI,CAAC,QAAQ,GAAG,IAAI,CAAC;YACrB,IAAI,CAAC,WAAW,CAAC,IAAI,CAAC,EAAC,IAAI,MAAA,EAAE,SAAS,WAAA,EAAE,WAAW,aAAA,EAAE,UAAU,YAAA,EAAC,CAAC,CAAC;YAClE,OAAO,IAAI,CAAC;QACd,CAAC;QAMD,sBAAY,2CAAW;YAJvB;;;eAGG;iBACH;gBACE,OAAO,IAAI,CAAC,KAAK,CAAC,KAAK,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC;YACjC,CAAC;;;WAAA;QAED,mCAAM,GAAN;YAAA,iBA2DC;YA1DC,IAAI,CAAC,IAAI,CAAC,WAAW,EAAE;gBACrB,OAAO,IAAI,CAAC;aACb;YAED,IAAM,YAAY,GAAG,IAAI,GAAG,EAAkB,CAAC;YAC/C,IAAM,OAAO,GAAa,EAAE,CAAC;YAC7B,IAAM,cAAc,GAAoB,EAAE,CAAC;YAE3C,KAAK,CAAC,IAAI,CAAC,IAAI,CAAC,cAAc,CAAC,IAAI,EAAE,CAAC,CAAC,OAAO,CAAC,UAAC,GAAW,EAAE,CAAS;gBACpE,YAAY,CAAC,GAAG,CAAC,GAAG,EAAE,CAAC,CAAC,CAAC;gBACzB,OAAO,CAAC,IAAI,CAAC,GAAG,CAAC,CAAC;gBAClB,cAAc,CAAC,IAAI,CAAC,KAAI,CAAC,cAAc,CAAC,GAAG,CAAC,GAAG,CAAC,IAAI,IAAI,CAAC,CAAC;YAC5D,CAAC,CAAC,CAAC;YAEH,IAAI,QAAQ,GAAW,EAAE,CAAC;YAC1B,IAAI,QAAQ,GAAW,CAAC,CAAC;YACzB,IAAI,eAAe,GAAW,CAAC,CAAC;YAChC,IAAI,eAAe,GAAW,CAAC,CAAC;YAChC,IAAI,cAAc,GAAW,CAAC,CAAC;YAE/B,IAAI,CAAC,KAAK,CAAC,OAAO,CAAC,UAAA,QAAQ;gBACzB,QAAQ,GAAG,CAAC,CAAC;gBAEb,QAAQ,IAAI,QAAQ;qBACH,GAAG,CAAC,UAAA,OAAO;oBACV,+DAA+D;oBAC/D,IAAI,QAAQ,GAAG,WAAW,CAAC,OAAO,CAAC,IAAI,GAAG,QAAQ,CAAC,CAAC;oBACpD,QAAQ,GAAG,OAAO,CAAC,IAAI,CAAC;oBAExB,IAAI,OAAO,CAAC,SAAS,IAAI,IAAI,EAAE;wBAC7B,2CAA2C;wBAC3C,QAAQ;4BACJ,WAAW,CAAC,YAAY,CAAC,GAAG,CAAC,OAAO,CAAC,SAAS,CAAE,GAAG,eAAe,CAAC,CAAC;wBACxE,eAAe,GAAG,YAAY,CAAC,GAAG,CAAC,OAAO,CAAC,SAAS,CAAE,CAAC;wBACvD,sDAAsD;wBACtD,QAAQ,IAAI,WAAW,CAAC,OAAO,CAAC,WAAY,GAAG,eAAe,CAAC,CAAC;wBAChE,eAAe,GAAG,OAAO,CAAC,WAAY,CAAC;wBACvC,wDAAwD;wBACxD,QAAQ,IAAI,WAAW,CAAC,OAAO,CAAC,UAAW,GAAG,cAAc,CAAC,CAAC;wBAC9D,cAAc,GAAG,OAAO,CAAC,UAAW,CAAC;qBACtC;oBAED,OAAO,QAAQ,CAAC;gBAClB,CAAC,CAAC;qBACD,IAAI,CAAC,GAAG,CAAC,CAAC;gBAC3B,QAAQ,IAAI,GAAG,CAAC;YAClB,CAAC,CAAC,CAAC;YAEH,QAAQ,GAAG,QAAQ,CAAC,KAAK,CAAC,CAAC,EAAE,CAAC,CAAC,CAAC,CAAC;YAEjC,OAAO;gBACL,MAAM,EAAE,IAAI,CAAC,IAAI,IAAI,EAAE;gBACvB,SAAS,EAAE,OAAO;gBAClB,YAAY,EAAE,EAAE;gBAChB,SAAS,EAAE,OAAO;gBAClB,gBAAgB,EAAE,cAAc;gBAChC,UAAU,EAAE,QAAQ;aACrB,CAAC;QACJ,CAAC;QAED,wCAAW,GAAX;YACE,OAAO,IAAI,CAAC,WAAW,CAAC,CAAC,CAAC,IAAI,GAAG,aAAa,GAAG,cAAc,CAAC,IAAI,CAAC,SAAS,CAAC,IAAI,EAAE,IAAI,EAAE,CAAC,CAAC,CAAC,CAAC,CAAC;gBACtE,EAAE,CAAC;QAC/B,CAAC;QACH,yBAAC;IAAD,CAAC,AAtHD,IAsHC;IAtHY,gDAAkB;IAwH/B,SAAgB,cAAc,CAAC,KAAa;QAC1C,IAAI,GAAG,GAAG,EAAE,CAAC;QACb,IAAM,OAAO,GAAG,iBAAU,CAAC,KAAK,CAAC,CAAC;QAClC,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,OAAO,CAAC,MAAM,GAAG;YACnC,IAAM,EAAE,GAAG,OAAO,CAAC,CAAC,EAAE,CAAC,CAAC;YACxB,IAAM,EAAE,GAAG,CAAC,GAAG,OAAO,CAAC,MAAM,CAAC,CAAC,CAAC,OAAO,CAAC,CAAC,EAAE,CAAC,CAAC,CAAC,CAAC,IAAI,CAAC;YACpD,IAAM,EAAE,GAAG,CAAC,GAAG,OAAO,CAAC,MAAM,CAAC,CAAC,CAAC,OAAO,CAAC,CAAC,EAAE,CAAC,CAAC,CAAC,CAAC,IAAI,CAAC;YACpD,GAAG,IAAI,aAAa,CAAC,EAAE,IAAI,CAAC,CAAC,CAAC;YAC9B,GAAG,IAAI,aAAa,CAAC,CAAC,CAAC,EAAE,GAAG,CAAC,CAAC,IAAI,CAAC,CAAC,GAAG,CAAC,EAAE,KAAK,IAAI,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,EAAE,IAAI,CAAC,CAAC,CAAC,CAAC;YACpE,GAAG,IAAI,EAAE,KAAK,IAAI,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC,aAAa,CAAC,CAAC,CAAC,EAAE,GAAG,EAAE,CAAC,IAAI,CAAC,CAAC,GAAG,CAAC,EAAE,KAAK,IAAI,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,EAAE,IAAI,CAAC,CAAC,CAAC,CAAC;YACzF,GAAG,IAAI,EAAE,KAAK,IAAI,IAAI,EAAE,KAAK,IAAI,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC,aAAa,CAAC,EAAE,GAAG,EAAE,CAAC,CAAC;SAClE;QAED,OAAO,GAAG,CAAC;IACb,CAAC;IAdD,wCAcC;IAED,SAAS,WAAW,CAAC,KAAa;QAChC,KAAK,GAAG,KAAK,GAAG,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,KAAK,CAAC,IAAI,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC,KAAK,IAAI,CAAC,CAAC;QAErD,IAAI,GAAG,GAAG,EAAE,CAAC;QACb,GAAG;YACD,IAAI,KAAK,GAAG,KAAK,GAAG,EAAE,CAAC;YACvB,KAAK,GAAG,KAAK,IAAI,CAAC,CAAC;YACnB,IAAI,KAAK,GAAG,CAAC,EAAE;gBACb,KAAK,GAAG,KAAK,GAAG,EAAE,CAAC;aACpB;YACD,GAAG,IAAI,aAAa,CAAC,KAAK,CAAC,CAAC;SAC7B,QAAQ,KAAK,GAAG,CAAC,EAAE;QAEpB,OAAO,GAAG,CAAC;IACb,CAAC;IAED,IAAM,UAAU,GAAG,kEAAkE,CAAC;IAEtF,SAAS,aAAa,CAAC,KAAa;QAClC,IAAI,KAAK,GAAG,CAAC,IAAI,KAAK,IAAI,EAAE,EAAE;YAC5B,MAAM,IAAI,KAAK,CAAC,4CAA4C,CAAC,CAAC;SAC/D;QAED,OAAO,UAAU,CAAC,KAAK,CAAC,CAAC;IAC3B,CAAC","sourcesContent":["/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {utf8Encode} from '../util';\n\n// https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit\nconst VERSION = 3;\n\nconst JS_B64_PREFIX = '# sourceMappingURL=data:application/json;base64,';\n\ntype Segment = {\n  col0: number,\n  sourceUrl?: string,\n  sourceLine0?: number,\n  sourceCol0?: number,\n};\n\nexport type SourceMap = {\n  version: number,\n  file?: string,\n      sourceRoot: string,\n      sources: string[],\n      sourcesContent: (string|null)[],\n      mappings: string,\n};\n\nexport class SourceMapGenerator {\n  private sourcesContent: Map<string, string|null> = new Map();\n  private lines: Segment[][] = [];\n  private lastCol0: number = 0;\n  private hasMappings = false;\n\n  constructor(private file: string|null = null) {}\n\n  // The content is `null` when the content is expected to be loaded using the URL\n  addSource(url: string, content: string|null = null): this {\n    if (!this.sourcesContent.has(url)) {\n      this.sourcesContent.set(url, content);\n    }\n    return this;\n  }\n\n  addLine(): this {\n    this.lines.push([]);\n    this.lastCol0 = 0;\n    return this;\n  }\n\n  addMapping(col0: number, sourceUrl?: string, sourceLine0?: number, sourceCol0?: number): this {\n    if (!this.currentLine) {\n      throw new Error(`A line must be added before mappings can be added`);\n    }\n    if (sourceUrl != null && !this.sourcesContent.has(sourceUrl)) {\n      throw new Error(`Unknown source file \"${sourceUrl}\"`);\n    }\n    if (col0 == null) {\n      throw new Error(`The column in the generated code must be provided`);\n    }\n    if (col0 < this.lastCol0) {\n      throw new Error(`Mapping should be added in output order`);\n    }\n    if (sourceUrl && (sourceLine0 == null || sourceCol0 == null)) {\n      throw new Error(`The source location must be provided when a source url is provided`);\n    }\n\n    this.hasMappings = true;\n    this.lastCol0 = col0;\n    this.currentLine.push({col0, sourceUrl, sourceLine0, sourceCol0});\n    return this;\n  }\n\n  /**\n   * @internal strip this from published d.ts files due to\n   * https://github.com/microsoft/TypeScript/issues/36216\n   */\n  private get currentLine(): Segment[]|null {\n    return this.lines.slice(-1)[0];\n  }\n\n  toJSON(): SourceMap|null {\n    if (!this.hasMappings) {\n      return null;\n    }\n\n    const sourcesIndex = new Map<string, number>();\n    const sources: string[] = [];\n    const sourcesContent: (string|null)[] = [];\n\n    Array.from(this.sourcesContent.keys()).forEach((url: string, i: number) => {\n      sourcesIndex.set(url, i);\n      sources.push(url);\n      sourcesContent.push(this.sourcesContent.get(url) || null);\n    });\n\n    let mappings: string = '';\n    let lastCol0: number = 0;\n    let lastSourceIndex: number = 0;\n    let lastSourceLine0: number = 0;\n    let lastSourceCol0: number = 0;\n\n    this.lines.forEach(segments => {\n      lastCol0 = 0;\n\n      mappings += segments\n                      .map(segment => {\n                        // zero-based starting column of the line in the generated code\n                        let segAsStr = toBase64VLQ(segment.col0 - lastCol0);\n                        lastCol0 = segment.col0;\n\n                        if (segment.sourceUrl != null) {\n                          // zero-based index into the “sources” list\n                          segAsStr +=\n                              toBase64VLQ(sourcesIndex.get(segment.sourceUrl)! - lastSourceIndex);\n                          lastSourceIndex = sourcesIndex.get(segment.sourceUrl)!;\n                          // the zero-based starting line in the original source\n                          segAsStr += toBase64VLQ(segment.sourceLine0! - lastSourceLine0);\n                          lastSourceLine0 = segment.sourceLine0!;\n                          // the zero-based starting column in the original source\n                          segAsStr += toBase64VLQ(segment.sourceCol0! - lastSourceCol0);\n                          lastSourceCol0 = segment.sourceCol0!;\n                        }\n\n                        return segAsStr;\n                      })\n                      .join(',');\n      mappings += ';';\n    });\n\n    mappings = mappings.slice(0, -1);\n\n    return {\n      'file': this.file || '',\n      'version': VERSION,\n      'sourceRoot': '',\n      'sources': sources,\n      'sourcesContent': sourcesContent,\n      'mappings': mappings,\n    };\n  }\n\n  toJsComment(): string {\n    return this.hasMappings ? '//' + JS_B64_PREFIX + toBase64String(JSON.stringify(this, null, 0)) :\n                              '';\n  }\n}\n\nexport function toBase64String(value: string): string {\n  let b64 = '';\n  const encoded = utf8Encode(value);\n  for (let i = 0; i < encoded.length;) {\n    const i1 = encoded[i++];\n    const i2 = i < encoded.length ? encoded[i++] : null;\n    const i3 = i < encoded.length ? encoded[i++] : null;\n    b64 += toBase64Digit(i1 >> 2);\n    b64 += toBase64Digit(((i1 & 3) << 4) | (i2 === null ? 0 : i2 >> 4));\n    b64 += i2 === null ? '=' : toBase64Digit(((i2 & 15) << 2) | (i3 === null ? 0 : i3 >> 6));\n    b64 += i2 === null || i3 === null ? '=' : toBase64Digit(i3 & 63);\n  }\n\n  return b64;\n}\n\nfunction toBase64VLQ(value: number): string {\n  value = value < 0 ? ((-value) << 1) + 1 : value << 1;\n\n  let out = '';\n  do {\n    let digit = value & 31;\n    value = value >> 5;\n    if (value > 0) {\n      digit = digit | 32;\n    }\n    out += toBase64Digit(digit);\n  } while (value > 0);\n\n  return out;\n}\n\nconst B64_DIGITS = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';\n\nfunction toBase64Digit(value: number): string {\n  if (value < 0 || value >= 64) {\n    throw new Error(`Can only encode value in the range [0, 63]`);\n  }\n\n  return B64_DIGITS[value];\n}\n"]}
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