Method generateDecodedMap

src/MagicString.ts:244–293

* Generates a sourcemap object with raw mappings in array form, rather than encoded as a string. * Useful if you need to manipulate the sourcemap further, but most of the time you will use `generateMap` instead.

(options?: SourceMapOptions)

   * Useful if you need to manipulate the sourcemap further, but most of the time you will use `generateMap` instead.
   */
  generateDecodedMap(options?: SourceMapOptions): DecodedSourceMap {
    options = options || {}

    const sourceIndex = 0
    const names = Object.keys(this.storedNames)
    const mappings = new Mappings(options.hires)

    const locate = getLocator(this.original)

    if (this.intro) {
      mappings.advance(this.intro)
    }

    this.firstChunk.eachNext((chunk) => {
      const loc = locate(chunk.start)

      if (chunk.intro.length)
        mappings.advance(chunk.intro)

      if (chunk.edited) {
        mappings.addEdit(
          sourceIndex,
          chunk.content,
          loc,
          chunk.storeName ? names.indexOf(chunk.original) : -1,
        )
      }
      else {
        mappings.addUneditedChunk(sourceIndex, chunk, this.original, loc, this.sourcemapLocations)
      }

      if (chunk.outro.length)
        mappings.advance(chunk.outro)
    })

    if (this.outro) {
      mappings.advance(this.outro)
    }

    return {
      file: options.file ? options.file.split(/[/\\]/).pop() : undefined,
      sources: [
        options.source ? getRelativePath(options.file || '', options.source) : options.file || '',
      ],
      sourcesContent: options.includeContent ? [this.original] : undefined,
      names,
      mappings: mappings.raw,
      x_google_ignoreList: this.ignoreList ? [sourceIndex] : undefined,
    }
  }

  /**
   * Generates a version 3 sourcemap.