Method bumpTo

packages/icu-messageformat-parser/parser.ts:1217–1241

* Bump the parser to the target offset. * If target offset is beyond the end of the input, bump the parser to the end of the input.

(targetOffset: number)

   * If target offset is beyond the end of the input, bump the parser to the end of the input.
   */
  private bumpTo(targetOffset: number) {
    if (this.offset() > targetOffset) {
      throw Error(
        `targetOffset ${targetOffset} must be greater than or equal to the current offset ${this.offset()}`
      )
    }

    targetOffset = Math.min(targetOffset, this.message.length)
    while (true) {
      const offset = this.offset()
      if (offset === targetOffset) {
        break
      }
      if (offset > targetOffset) {
        throw Error(
          `targetOffset ${targetOffset} is at invalid UTF-16 code unit boundary`
        )
      }

      this.bump()
      if (this.isEOF()) {
        break
      }
    }
  }

  /** advance the parser through all whitespace to the next non-whitespace code unit. */
  private bumpSpace() {