Function textComputer

utils/makerQRPost.ts:60–81

(
    text: string,
    style: string,
    width: number,
    ctx: CanvasRenderingContext2D
  )

  // 文本换行处理
  const textComputer = (
    text: string,
    style: string,
    width: number,
    ctx: CanvasRenderingContext2D
  ): string[] => {
    if (text.replace(/\s/g, "").length === 0) {
      return []
    }
    ctx.font = style
    let temp = 0
    const row: string[] = []
    for (let i = 0; i <= text.length; i++) {
      if (ctx.measureText(text.substring(temp, i)).width >= width) {
        row.push(text.substring(temp, i - 1))
        temp = i - 1
      } else if (i === text.length) {
        row.push(text.substring(temp, i))
      }
    }
    return row
  }

  // 绘制文本
  const textWriter = (