Class MagicString

src/MagicString.ts:140–1631

}

export class MagicString {
  declare public readonly original: string
  declare public offset: number

  /** @internal */
  declare private outro: string
  /** @internal */
  declare private intro: string
  /** @internal */
  declare private filename: string | undefined
  /** @internal */
  declare private ignoreList: boolean | undefined
  /** @internal */
  declare private firstChunk: Chunk
  /** @internal */
  declare private lastChunk: Chunk
  /** @internal */
  declare private lastSearchedChunk: Chunk
  /** @internal */
  declare private byStart: Map<number, Chunk>
  /** @internal */
  declare private byEnd: Map<number, Chunk>
  /** @internal */
  declare private sourcemapLocations: BitSet
  /** @internal */
  declare private storedNames: Record<string, true>
  /** @internal */
  declare private indentStr: string | null | undefined
  /** @internal */
  declare private stats: Stats
  /** @internal */
  declare private hasMovedChunks: boolean
  /** @internal */
  declare private indentExclusionRanges: MagicStringOptions['indentExclusionRanges']

  constructor(string: string, options: MagicStringOptions = {}) {
    const chunk = new Chunk(0, string.length, string)

    Object.defineProperties(this, {
      original: { writable: true, value: string },
      outro: { writable: true, value: '' },
      intro: { writable: true, value: '' },
      firstChunk: { writable: true, value: chunk },
      lastChunk: { writable: true, value: chunk },
      lastSearchedChunk: { writable: true, value: chunk },
      byStart: { writable: true, value: new Map<number, Chunk>([[0, chunk]]) },
      byEnd: { writable: true, value: new Map<number, Chunk>([[string.length, chunk]]) },
      filename: { writable: true, value: options.filename },
      indentExclusionRanges: { writable: true, value: options.indentExclusionRanges },
      sourcemapLocations: { writable: true, value: new BitSet() },
      storedNames: { writable: true, value: {} },
      indentStr: { writable: true, value: undefined },
      ignoreList: { writable: true, value: options.ignoreList },
      offset: { writable: true, value: options.offset || 0 },
      hasMovedChunks: { writable: true, value: false },
    })

    /* v8 ignore next 3 -- DEBUG is always true in tests */