Method append

packages/2d/src/lib/code/CodeSignal.ts:133–152

(
    first: string | number = 0.6,
    duration?: number,
  )

  public append(code: string, duration: number): ThreadGenerator;
  public append(duration?: number): TagGenerator;
  public append(
    first: string | number = 0.6,
    duration?: number,
  ): TOwner | ThreadGenerator | TagGenerator {
    if (typeof first === 'string') {
      if (duration === undefined) {
        const current = this.get();
        return this.set({
          progress: 0,
          fragments: [...current.fragments, first],
        });
      } else {
        return this.appendTween(first, duration);
      }
    }

    const savedDuration = first;
    return (strings, ...tags) =>
      this.append(resolveCodeTag(CODE(strings, ...tags), true), savedDuration);
  }

  public prepend(code: string): TOwner;
  public prepend(code: string, duration: number): ThreadGenerator;