setText 设置文本

setText

类型: MethodDeclaration

所属类: CommandFunctionList

定义位置: command.ts

描述

设置文本

参数

参数名	类型	描述	默认值
\{element, properties\}	`{
element: ElementGetter
properties: Array<{key: string, value: any}>
}`	-	-

返回值

类型: CommandFunction

源代码

位置: 第 4342 行

protected setText({element, properties}: {
    element: ElementGetter
    properties: Array<{key: string, value: any}>
  }): CommandFunction {
    const getElement = Command.compileElement(element)
    const variables: Array<{key: string, value: any}> = []
    const constants: Array<any> = []
    for (const property of properties) {
      switch (property.key) {
        case 'content': {
          const getter = Command.compileTextContent(property.value)
          // @ts-ignore
          if (!getter.constant) {
            variables.push({
              key: property.key,
              value: getter,
            })
            continue
          }
          // 如果内容是常量，进入默认分支
        }
        default:
          constants.push(property)
          continue
      }
    }
    // 对单属性变量进行优化
    if (variables.length === 1 && constants.length === 0) {
      const {key, value} = variables[0]
      return () => {
        const element = getElement()
        if (element instanceof TextElement) {
          // @ts-ignore
          element[key] = value()
        }
        return true
      }
    }
    // 对单属性常量进行优化
    if (variables.length === 0 && constants.length === 1) {
      const {key, value} = constants[0]
      return () => {
        const element = getElement()
        if (element instanceof TextElement) {
          // @ts-ignore
          element[key] = value
        }
        return true
      }
    }
    return () => {
      const element = getElement()
      if (element instanceof TextElement) {
        for (const property of variables) {
          // @ts-ignore
          element[property.key] = property.value()
        }
        for (const property of constants) {
          // @ts-ignore
          element[property.key] = property.value
        }
      }
      return true
    }
  }

---

文档生成时间：2025/7/7 12:07:06