/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
import { utf8Encode } from '../util';
// https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit
const VERSION = 3;
const JS_B64_PREFIX = '# sourceMappingURL=data:application/json;base64,';
export class SourceMapGenerator {
    constructor(file = null) {
        this.file = file;
        this.sourcesContent = new Map();
        this.lines = [];
        this.lastCol0 = 0;
        this.hasMappings = false;
    }
    // The content is `null` when the content is expected to be loaded using the URL
    addSource(url, content = null) {
        if (!this.sourcesContent.has(url)) {
            this.sourcesContent.set(url, content);
        }
        return this;
    }
    addLine() {
        this.lines.push([]);
        this.lastCol0 = 0;
        return this;
    }
    addMapping(col0, sourceUrl, sourceLine0, sourceCol0) {
        if (!this.currentLine) {
            throw new Error(`A line must be added before mappings can be added`);
        }
        if (sourceUrl != null && !this.sourcesContent.has(sourceUrl)) {
            throw new Error(`Unknown source file "${sourceUrl}"`);
        }
        if (col0 == null) {
            throw new Error(`The column in the generated code must be provided`);
        }
        if (col0 < this.lastCol0) {
            throw new Error(`Mapping should be added in output order`);
        }
        if (sourceUrl && (sourceLine0 == null || sourceCol0 == null)) {
            throw new Error(`The source location must be provided when a source url is provided`);
        }
        this.hasMappings = true;
        this.lastCol0 = col0;
        this.currentLine.push({ col0, sourceUrl, sourceLine0, sourceCol0 });
        return this;
    }
    /**
     * @internal strip this from published d.ts files due to
     * https://github.com/microsoft/TypeScript/issues/36216
     */
    get currentLine() {
        return this.lines.slice(-1)[0];
    }
    toJSON() {
        if (!this.hasMappings) {
            return null;
        }
        const sourcesIndex = new Map();
        const sources = [];
        const sourcesContent = [];
        Array.from(this.sourcesContent.keys()).forEach((url, i) => {
            sourcesIndex.set(url, i);
            sources.push(url);
            sourcesContent.push(this.sourcesContent.get(url) || null);
        });
        let mappings = '';
        let lastCol0 = 0;
        let lastSourceIndex = 0;
        let lastSourceLine0 = 0;
        let lastSourceCol0 = 0;
        this.lines.forEach(segments => {
            lastCol0 = 0;
            mappings += segments
                .map(segment => {
                // zero-based starting column of the line in the generated code
                let segAsStr = toBase64VLQ(segment.col0 - lastCol0);
                lastCol0 = segment.col0;
                if (segment.sourceUrl != null) {
                    // zero-based index into the “sources” list
                    segAsStr +=
                        toBase64VLQ(sourcesIndex.get(segment.sourceUrl) - lastSourceIndex);
                    lastSourceIndex = sourcesIndex.get(segment.sourceUrl);
                    // the zero-based starting line in the original source
                    segAsStr += toBase64VLQ(segment.sourceLine0 - lastSourceLine0);
                    lastSourceLine0 = segment.sourceLine0;
                    // the zero-based starting column in the original source
                    segAsStr += toBase64VLQ(segment.sourceCol0 - lastSourceCol0);
                    lastSourceCol0 = segment.sourceCol0;
                }
                return segAsStr;
            })
                .join(',');
            mappings += ';';
        });
        mappings = mappings.slice(0, -1);
        return {
            'file': this.file || '',
            'version': VERSION,
            'sourceRoot': '',
            'sources': sources,
            'sourcesContent': sourcesContent,
            'mappings': mappings,
        };
    }
    toJsComment() {
        return this.hasMappings ? '//' + JS_B64_PREFIX + toBase64String(JSON.stringify(this, null, 0)) :
            '';
    }
}
export function toBase64String(value) {
    let b64 = '';
    const encoded = utf8Encode(value);
    for (let i = 0; i < encoded.length;) {
        const i1 = encoded[i++];
        const i2 = i < encoded.length ? encoded[i++] : null;
        const i3 = i < encoded.length ? encoded[i++] : null;
        b64 += toBase64Digit(i1 >> 2);
        b64 += toBase64Digit(((i1 & 3) << 4) | (i2 === null ? 0 : i2 >> 4));
        b64 += i2 === null ? '=' : toBase64Digit(((i2 & 15) << 2) | (i3 === null ? 0 : i3 >> 6));
        b64 += i2 === null || i3 === null ? '=' : toBase64Digit(i3 & 63);
    }
    return b64;
}
function toBase64VLQ(value) {
    value = value < 0 ? ((-value) << 1) + 1 : value << 1;
    let out = '';
    do {
        let digit = value & 31;
        value = value >> 5;
        if (value > 0) {
            digit = digit | 32;
        }
        out += toBase64Digit(digit);
    } while (value > 0);
    return out;
}
const B64_DIGITS = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
function toBase64Digit(value) {
    if (value < 0 || value >= 64) {
        throw new Error(`Can only encode value in the range [0, 63]`);
    }
    return B64_DIGITS[value];
}
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"source_map.js","sourceRoot":"","sources":["../../../../../../../packages/compiler/src/output/source_map.ts"],"names":[],"mappings":"AAAA;;;;;;GAMG;AAEH,OAAO,EAAC,UAAU,EAAC,MAAM,SAAS,CAAC;AAEnC,uFAAuF;AACvF,MAAM,OAAO,GAAG,CAAC,CAAC;AAElB,MAAM,aAAa,GAAG,kDAAkD,CAAC;AAkBzE,MAAM,OAAO,kBAAkB;IAM7B,YAAoB,OAAoB,IAAI;QAAxB,SAAI,GAAJ,IAAI,CAAoB;QALpC,mBAAc,GAA6B,IAAI,GAAG,EAAE,CAAC;QACrD,UAAK,GAAgB,EAAE,CAAC;QACxB,aAAQ,GAAW,CAAC,CAAC;QACrB,gBAAW,GAAG,KAAK,CAAC;IAEmB,CAAC;IAEhD,gFAAgF;IAChF,SAAS,CAAC,GAAW,EAAE,UAAuB,IAAI;QAChD,IAAI,CAAC,IAAI,CAAC,cAAc,CAAC,GAAG,CAAC,GAAG,CAAC,EAAE;YACjC,IAAI,CAAC,cAAc,CAAC,GAAG,CAAC,GAAG,EAAE,OAAO,CAAC,CAAC;SACvC;QACD,OAAO,IAAI,CAAC;IACd,CAAC;IAED,OAAO;QACL,IAAI,CAAC,KAAK,CAAC,IAAI,CAAC,EAAE,CAAC,CAAC;QACpB,IAAI,CAAC,QAAQ,GAAG,CAAC,CAAC;QAClB,OAAO,IAAI,CAAC;IACd,CAAC;IAED,UAAU,CAAC,IAAY,EAAE,SAAkB,EAAE,WAAoB,EAAE,UAAmB;QACpF,IAAI,CAAC,IAAI,CAAC,WAAW,EAAE;YACrB,MAAM,IAAI,KAAK,CAAC,mDAAmD,CAAC,CAAC;SACtE;QACD,IAAI,SAAS,IAAI,IAAI,IAAI,CAAC,IAAI,CAAC,cAAc,CAAC,GAAG,CAAC,SAAS,CAAC,EAAE;YAC5D,MAAM,IAAI,KAAK,CAAC,wBAAwB,SAAS,GAAG,CAAC,CAAC;SACvD;QACD,IAAI,IAAI,IAAI,IAAI,EAAE;YAChB,MAAM,IAAI,KAAK,CAAC,mDAAmD,CAAC,CAAC;SACtE;QACD,IAAI,IAAI,GAAG,IAAI,CAAC,QAAQ,EAAE;YACxB,MAAM,IAAI,KAAK,CAAC,yCAAyC,CAAC,CAAC;SAC5D;QACD,IAAI,SAAS,IAAI,CAAC,WAAW,IAAI,IAAI,IAAI,UAAU,IAAI,IAAI,CAAC,EAAE;YAC5D,MAAM,IAAI,KAAK,CAAC,oEAAoE,CAAC,CAAC;SACvF;QAED,IAAI,CAAC,WAAW,GAAG,IAAI,CAAC;QACxB,IAAI,CAAC,QAAQ,GAAG,IAAI,CAAC;QACrB,IAAI,CAAC,WAAW,CAAC,IAAI,CAAC,EAAC,IAAI,EAAE,SAAS,EAAE,WAAW,EAAE,UAAU,EAAC,CAAC,CAAC;QAClE,OAAO,IAAI,CAAC;IACd,CAAC;IAED;;;OAGG;IACH,IAAY,WAAW;QACrB,OAAO,IAAI,CAAC,KAAK,CAAC,KAAK,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC;IACjC,CAAC;IAED,MAAM;QACJ,IAAI,CAAC,IAAI,CAAC,WAAW,EAAE;YACrB,OAAO,IAAI,CAAC;SACb;QAED,MAAM,YAAY,GAAG,IAAI,GAAG,EAAkB,CAAC;QAC/C,MAAM,OAAO,GAAa,EAAE,CAAC;QAC7B,MAAM,cAAc,GAAoB,EAAE,CAAC;QAE3C,KAAK,CAAC,IAAI,CAAC,IAAI,CAAC,cAAc,CAAC,IAAI,EAAE,CAAC,CAAC,OAAO,CAAC,CAAC,GAAW,EAAE,CAAS,EAAE,EAAE;YACxE,YAAY,CAAC,GAAG,CAAC,GAAG,EAAE,CAAC,CAAC,CAAC;YACzB,OAAO,CAAC,IAAI,CAAC,GAAG,CAAC,CAAC;YAClB,cAAc,CAAC,IAAI,CAAC,IAAI,CAAC,cAAc,CAAC,GAAG,CAAC,GAAG,CAAC,IAAI,IAAI,CAAC,CAAC;QAC5D,CAAC,CAAC,CAAC;QAEH,IAAI,QAAQ,GAAW,EAAE,CAAC;QAC1B,IAAI,QAAQ,GAAW,CAAC,CAAC;QACzB,IAAI,eAAe,GAAW,CAAC,CAAC;QAChC,IAAI,eAAe,GAAW,CAAC,CAAC;QAChC,IAAI,cAAc,GAAW,CAAC,CAAC;QAE/B,IAAI,CAAC,KAAK,CAAC,OAAO,CAAC,QAAQ,CAAC,EAAE;YAC5B,QAAQ,GAAG,CAAC,CAAC;YAEb,QAAQ,IAAI,QAAQ;iBACH,GAAG,CAAC,OAAO,CAAC,EAAE;gBACb,+DAA+D;gBAC/D,IAAI,QAAQ,GAAG,WAAW,CAAC,OAAO,CAAC,IAAI,GAAG,QAAQ,CAAC,CAAC;gBACpD,QAAQ,GAAG,OAAO,CAAC,IAAI,CAAC;gBAExB,IAAI,OAAO,CAAC,SAAS,IAAI,IAAI,EAAE;oBAC7B,2CAA2C;oBAC3C,QAAQ;wBACJ,WAAW,CAAC,YAAY,CAAC,GAAG,CAAC,OAAO,CAAC,SAAS,CAAE,GAAG,eAAe,CAAC,CAAC;oBACxE,eAAe,GAAG,YAAY,CAAC,GAAG,CAAC,OAAO,CAAC,SAAS,CAAE,CAAC;oBACvD,sDAAsD;oBACtD,QAAQ,IAAI,WAAW,CAAC,OAAO,CAAC,WAAY,GAAG,eAAe,CAAC,CAAC;oBAChE,eAAe,GAAG,OAAO,CAAC,WAAY,CAAC;oBACvC,wDAAwD;oBACxD,QAAQ,IAAI,WAAW,CAAC,OAAO,CAAC,UAAW,GAAG,cAAc,CAAC,CAAC;oBAC9D,cAAc,GAAG,OAAO,CAAC,UAAW,CAAC;iBACtC;gBAED,OAAO,QAAQ,CAAC;YAClB,CAAC,CAAC;iBACD,IAAI,CAAC,GAAG,CAAC,CAAC;YAC3B,QAAQ,IAAI,GAAG,CAAC;QAClB,CAAC,CAAC,CAAC;QAEH,QAAQ,GAAG,QAAQ,CAAC,KAAK,CAAC,CAAC,EAAE,CAAC,CAAC,CAAC,CAAC;QAEjC,OAAO;YACL,MAAM,EAAE,IAAI,CAAC,IAAI,IAAI,EAAE;YACvB,SAAS,EAAE,OAAO;YAClB,YAAY,EAAE,EAAE;YAChB,SAAS,EAAE,OAAO;YAClB,gBAAgB,EAAE,cAAc;YAChC,UAAU,EAAE,QAAQ;SACrB,CAAC;IACJ,CAAC;IAED,WAAW;QACT,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;YACtE,EAAE,CAAC;IAC/B,CAAC;CACF;AAED,MAAM,UAAU,cAAc,CAAC,KAAa;IAC1C,IAAI,GAAG,GAAG,EAAE,CAAC;IACb,MAAM,OAAO,GAAG,UAAU,CAAC,KAAK,CAAC,CAAC;IAClC,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,OAAO,CAAC,MAAM,GAAG;QACnC,MAAM,EAAE,GAAG,OAAO,CAAC,CAAC,EAAE,CAAC,CAAC;QACxB,MAAM,EAAE,GAAG,CAAC,GAAG,OAAO,CAAC,MAAM,CAAC,CAAC,CAAC,OAAO,CAAC,CAAC,EAAE,CAAC,CAAC,CAAC,CAAC,IAAI,CAAC;QACpD,MAAM,EAAE,GAAG,CAAC,GAAG,OAAO,CAAC,MAAM,CAAC,CAAC,CAAC,OAAO,CAAC,CAAC,EAAE,CAAC,CAAC,CAAC,CAAC,IAAI,CAAC;QACpD,GAAG,IAAI,aAAa,CAAC,EAAE,IAAI,CAAC,CAAC,CAAC;QAC9B,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;QACpE,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;QACzF,GAAG,IAAI,EAAE,KAAK,IAAI,IAAI,EAAE,KAAK,IAAI,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC,aAAa,CAAC,EAAE,GAAG,EAAE,CAAC,CAAC;KAClE;IAED,OAAO,GAAG,CAAC;AACb,CAAC;AAED,SAAS,WAAW,CAAC,KAAa;IAChC,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;IAErD,IAAI,GAAG,GAAG,EAAE,CAAC;IACb,GAAG;QACD,IAAI,KAAK,GAAG,KAAK,GAAG,EAAE,CAAC;QACvB,KAAK,GAAG,KAAK,IAAI,CAAC,CAAC;QACnB,IAAI,KAAK,GAAG,CAAC,EAAE;YACb,KAAK,GAAG,KAAK,GAAG,EAAE,CAAC;SACpB;QACD,GAAG,IAAI,aAAa,CAAC,KAAK,CAAC,CAAC;KAC7B,QAAQ,KAAK,GAAG,CAAC,EAAE;IAEpB,OAAO,GAAG,CAAC;AACb,CAAC;AAED,MAAM,UAAU,GAAG,kEAAkE,CAAC;AAEtF,SAAS,aAAa,CAAC,KAAa;IAClC,IAAI,KAAK,GAAG,CAAC,IAAI,KAAK,IAAI,EAAE,EAAE;QAC5B,MAAM,IAAI,KAAK,CAAC,4CAA4C,CAAC,CAAC;KAC/D;IAED,OAAO,UAAU,CAAC,KAAK,CAAC,CAAC;AAC3B,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"]}