Method parseSources

front_end/core/sdk/SourceMap.ts:502–533

(sourceMap: SourceMapV3Object)

  }

  private parseSources(sourceMap: SourceMapV3Object): void {
    const sourceRoot = sourceMap.sourceRoot ?? '';
    const ignoreList = new Set(sourceMap.ignoreList ?? sourceMap.x_google_ignoreList);
    for (let i = 0; i < sourceMap.sources.length; ++i) {
      let href = sourceMap.sources[i];
      // The source map v3 proposal says to prepend the sourceRoot to the source URL
      // and if the resulting URL is not absolute, then resolve the source URL against
      // the source map URL. Prepending the sourceRoot (if one exists) is not likely to
      // be meaningful or useful if the source URL is already absolute though. In this
      // case, use the source URL as is without prepending the sourceRoot.
      if (Common.ParsedURL.ParsedURL.isRelativeURL(href)) {
        if (sourceRoot && !sourceRoot.endsWith('/') && href && !href.startsWith('/')) {
          href = sourceRoot.concat('/', href);
        } else {
          href = sourceRoot.concat(href);
        }
      }
      const url =
          Common.ParsedURL.ParsedURL.completeURL(this.#baseURL, href) || (href as Platform.DevToolsPath.UrlString);
      const source = sourceMap.sourcesContent?.[i];
      const sourceInfo: SourceInfo = {
        sourceURL: url,
        content: source ?? null,
        ignoreListHint: ignoreList.has(i),
        reverseMappings: null,
      };
      this.#sourceInfos.push(sourceInfo);
      if (!this.#sourceInfoByURL.has(url)) {
        this.#sourceInfoByURL.set(url, sourceInfo);
      }
    }
  }

  private parseMap(map: SourceMapV3Object, baseSourceIndex: number, baseLineNumber: number, baseColumnNumber: number):
      void {