mldong-flow-designer-plus/lib/index-BVZ8Smzo.js

本项目包含了作者为B站课堂视频[《工作流设计器开发最佳实践》](https://www.bilibili.com/cheese/play/ss24484)的过程源码。教程中开发的组件也可用于实际生产环境中。以下是和使用文档和课程章节说明。 ## 实战项目 [演示地址](https://flow-pro.mldong.com/)

import { getCurrentInstance, shallowRef, ref, watch, onMounted, nextTick } from "vue";
import { a as useEventListener } from "./index-B5MEhWj_.js";
import { o as isElement, g as isFunction } from "./install-La2G4dPY.js";
function useFocusController(target, {
  beforeFocus,
  afterFocus,
  beforeBlur,
  afterBlur
} = {}) {
  const instance = getCurrentInstance();
  const { emit } = instance;
  const wrapperRef = shallowRef();
  const isFocused = ref(false);
  const handleFocus = (event) => {
    const cancelFocus = isFunction(beforeFocus) ? beforeFocus(event) : false;
    if (cancelFocus || isFocused.value)
      return;
    isFocused.value = true;
    emit("focus", event);
    afterFocus == null ? void 0 : afterFocus();
  };
  const handleBlur = (event) => {
    var _a;
    const cancelBlur = isFunction(beforeBlur) ? beforeBlur(event) : false;
    if (cancelBlur || event.relatedTarget && ((_a = wrapperRef.value) == null ? void 0 : _a.contains(event.relatedTarget)))
      return;
    isFocused.value = false;
    emit("blur", event);
    afterBlur == null ? void 0 : afterBlur();
  };
  const handleClick = () => {
    var _a, _b;
    if (((_a = wrapperRef.value) == null ? void 0 : _a.contains(document.activeElement)) && wrapperRef.value !== document.activeElement)
      return;
    (_b = target.value) == null ? void 0 : _b.focus();
  };
  watch(wrapperRef, (el) => {
    if (el) {
      el.setAttribute("tabindex", "-1");
    }
  });
  useEventListener(wrapperRef, "focus", handleFocus, true);
  useEventListener(wrapperRef, "blur", handleBlur, true);
  useEventListener(wrapperRef, "click", handleClick, true);
  if (process.env.NODE_ENV === "test") {
    onMounted(() => {
      const targetEl = isElement(target.value) ? target.value : document.querySelector("input,textarea");
      if (targetEl) {
        useEventListener(targetEl, "focus", handleFocus, true);
        useEventListener(targetEl, "blur", handleBlur, true);
      }
    });
  }
  return {
    isFocused,
    wrapperRef,
    handleFocus,
    handleBlur
  };
}
const isKorean = (text) => /([\uAC00-\uD7AF\u3130-\u318F])+/gi.test(text);
function useComposition({
  afterComposition,
  emit
}) {
  const isComposing = ref(false);
  const handleCompositionStart = (event) => {
    emit == null ? void 0 : emit("compositionstart", event);
    isComposing.value = true;
  };
  const handleCompositionUpdate = (event) => {
    var _a;
    emit == null ? void 0 : emit("compositionupdate", event);
    const text = (_a = event.target) == null ? void 0 : _a.value;
    const lastCharacter = text[text.length - 1] || "";
    isComposing.value = !isKorean(lastCharacter);
  };
  const handleCompositionEnd = (event) => {
    emit == null ? void 0 : emit("compositionend", event);
    if (isComposing.value) {
      isComposing.value = false;
      nextTick(() => afterComposition(event));
    }
  };
  const handleComposition = (event) => {
    event.type === "compositionend" ? handleCompositionEnd(event) : handleCompositionUpdate(event);
  };
  return {
    isComposing,
    handleComposition,
    handleCompositionStart,
    handleCompositionUpdate,
    handleCompositionEnd
  };
}
export {
  useComposition as a,
  useFocusController as u
};
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