Method addMapping

lib/source-map-generator.js:100–132

* Add a single mapping from original source line and column to the generated * source's line and column for this source map being created. The mapping * object should have the following properties: * * - generated: An object with the generated line and column positions. * - origin

(aArgs)

   *   - name: An optional original token name for this mapping.
   */
  addMapping(aArgs) {
    const generated = util.getArg(aArgs, "generated");
    const original = util.getArg(aArgs, "original", null);
    let source = util.getArg(aArgs, "source", null);
    let name = util.getArg(aArgs, "name", null);

    if (!this._skipValidation) {
      this._validateMapping(generated, original, source, name);
    }

    if (source != null) {
      source = String(source);
      if (!this._sources.has(source)) {
        this._sources.add(source);
      }
    }

    if (name != null) {
      name = String(name);
      if (!this._names.has(name)) {
        this._names.add(name);
      }
    }

    this._mappings.add({
      generatedLine: generated.line,
      generatedColumn: generated.column,
      originalLine: original && original.line,
      originalColumn: original && original.column,
      source,
      name,
    });
  }

  /**
   * Set the source content for a source file.