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mldong-flow-designer-plus

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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/)

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import { defineComponent, inject, ref, computed, onBeforeUnmount, toRef, openBlock, createBlock, Transition, unref, withCtx, withDirectives, createElementVNode, normalizeClass, normalizeStyle, vShow, createElementBlock, Fragment, createVNode, watch, nextTick, provide, reactive, onActivated, onMounted, onUpdated, resolveDynamicComponent, renderSlot, createCommentVNode, withModifiers, getCurrentInstance, toRaw, toRefs, toDisplayString, watchEffect, shallowRef, resolveComponent, resolveDirective, toHandlerKey, renderList, createTextVNode, withKeys, vModelText } from "vue"; import { u as useTooltipContentProps, E as Ee, a as ElTooltip } from "./index-D7UNCCqf.js"; import { a as useEventListener, u as useResizeObserver, b as useMutationObserver } from "./index-B5MEhWj_.js"; import { b as buildProps, _ as _export_sfc, u as useNamespace, t as throwError, h as isClient, d as definePropType, j as isNumber, k as isObject, f as debugWarn, w as withInstall, i as isArray, l as isUndefined, m as isIOS, g as isFunction, n as isPlainObject, c as isString, o as isElement, a as withNoopInstall } from "./install-La2G4dPY.js"; import { u as useAriaProps } from "./index-Ds80FYRq.js"; import { a as addUnit, c as componentSizes, u as useSizeProp } from "./index-CLW2rQKZ.js"; import { E as ElIcon, c as close_default, V as ValidateComponentsMap, i as iconPropType, a as circle_close_default, b as arrow_down_default } from "./icon-DV3tCSN7.js"; import { a as useFormSize, u as useFormItem, e as useFormItemInputId } from "./use-form-common-props-BwON8RcZ.js"; import { b as castArray, k as get, i as isEqual, d as debounce, l as findLastIndex } from "./index-BLhyZWKY.js"; import { u as useId } from "./index-CRwh6fag.js"; import { u as useLocale, a as useEmptyValues, b as useEmptyValuesProps } from "./index-Ii41w6Nd.js"; import { a as useComposition, u as useFocusController } from "./index-BVZ8Smzo.js"; import { E as EVENT_CODE } from "./aria-DJRDfGoO.js"; import { U as UPDATE_MODEL_EVENT, C as CHANGE_EVENT } from "./event-DSz0kuqc.js"; import { s as scrollIntoView } from "./scroll-DwUi3pAD.js"; const GAP = 4; const BAR_MAP = { vertical: { offset: "offsetHeight", scroll: "scrollTop", scrollSize: "scrollHeight", size: "height", key: "vertical", axis: "Y", client: "clientY", direction: "top" }, horizontal: { offset: "offsetWidth", scroll: "scrollLeft", scrollSize: "scrollWidth", size: "width", key: "horizontal", axis: "X", client: "clientX", direction: "left" } }; const renderThumbStyle = ({ move, size, bar }) => ({ [bar.size]: size, transform: `translate${bar.axis}(${move}%)` }); const scrollbarContextKey = Symbol("scrollbarContextKey"); const thumbProps = buildProps({ vertical: Boolean, size: String, move: Number, ratio: { type: Number, required: true }, always: Boolean }); const COMPONENT_NAME$2 = "Thumb"; const _sfc_main$7 = /* @__PURE__ */ defineComponent({ __name: "thumb", props: thumbProps, setup(__props) { const props = __props; const scrollbar = inject(scrollbarContextKey); const ns = useNamespace("scrollbar"); if (!scrollbar) throwError(COMPONENT_NAME$2, "can not inject scrollbar context"); const instance = ref(); const thumb = ref(); const thumbState = ref({}); const visible = ref(false); let cursorDown = false; let cursorLeave = false; let originalOnSelectStart = isClient ? document.onselectstart : null; const bar = computed(() => BAR_MAP[props.vertical ? "vertical" : "horizontal"]); const thumbStyle = computed(() => renderThumbStyle({ size: props.size, move: props.move, bar: bar.value })); const offsetRatio = computed(() => instance.value[bar.value.offset] ** 2 / scrollbar.wrapElement[bar.value.scrollSize] / props.ratio / thumb.value[bar.value.offset]); const clickThumbHandler = (e) => { var _a; e.stopPropagation(); if (e.ctrlKey || [1, 2].includes(e.button)) return; (_a = window.getSelection()) == null ? void 0 : _a.removeAllRanges(); startDrag(e); const el = e.currentTarget; if (!el) return; thumbState.value[bar.value.axis] = el[bar.value.offset] - (e[bar.value.client] - el.getBoundingClientRect()[bar.value.direction]); }; const clickTrackHandler = (e) => { if (!thumb.value || !instance.value || !scrollbar.wrapElement) return; const offset = Math.abs(e.target.getBoundingClientRect()[bar.value.direction] - e[bar.value.client]); const thumbHalf = thumb.value[bar.value.offset] / 2; const thumbPositionPercentage = (offset - thumbHalf) * 100 * offsetRatio.value / instance.value[bar.value.offset]; scrollbar.wrapElement[bar.value.scroll] = thumbPositionPercentage * scrollbar.wrapElement[bar.value.scrollSize] / 100; }; const startDrag = (e) => { e.stopImmediatePropagation(); cursorDown = true; document.addEventListener("mousemove", mouseMoveDocumentHandler); document.addEventListener("mouseup", mouseUpDocumentHandler); originalOnSelectStart = document.onselectstart; document.onselectstart = () => false; }; const mouseMoveDocumentHandler = (e) => { if (!instance.value || !thumb.value) return; if (cursorDown === false) return; const prevPage = thumbState.value[bar.value.axis]; if (!prevPage) return; const offset = (instance.value.getBoundingClientRect()[bar.value.direction] - e[bar.value.client]) * -1; const thumbClickPosition = thumb.value[bar.value.offset] - prevPage; const thumbPositionPercentage = (offset - thumbClickPosition) * 100 * offsetRatio.value / instance.value[bar.value.offset]; scrollbar.wrapElement[bar.value.scroll] = thumbPositionPercentage * scrollbar.wrapElement[bar.value.scrollSize] / 100; }; const mouseUpDocumentHandler = () => { cursorDown = false; thumbState.value[bar.value.axis] = 0; document.removeEventListener("mousemove", mouseMoveDocumentHandler); document.removeEventListener("mouseup", mouseUpDocumentHandler); restoreOnselectstart(); if (cursorLeave) visible.value = false; }; const mouseMoveScrollbarHandler = () => { cursorLeave = false; visible.value = !!props.size; }; const mouseLeaveScrollbarHandler = () => { cursorLeave = true; visible.value = cursorDown; }; onBeforeUnmount(() => { restoreOnselectstart(); document.removeEventListener("mouseup", mouseUpDocumentHandler); }); const restoreOnselectstart = () => { if (document.onselectstart !== originalOnSelectStart) document.onselectstart = originalOnSelectStart; }; useEventListener(toRef(scrollbar, "scrollbarElement"), "mousemove", mouseMoveScrollbarHandler); useEventListener(toRef(scrollbar, "scrollbarElement"), "mouseleave", mouseLeaveScrollbarHandler); return (_ctx, _cache) => { return openBlock(), createBlock(Transition, { name: unref(ns).b("fade"), persisted: "" }, { default: withCtx(() => [ withDirectives(createElementVNode("div", { ref_key: "instance", ref: instance, class: normalizeClass([unref(ns).e("bar"), unref(ns).is(unref(bar).key)]), onMousedown: clickTrackHandler }, [ createElementVNode("div", { ref_key: "thumb", ref: thumb, class: normalizeClass(unref(ns).e("thumb")), style: normalizeStyle(unref(thumbStyle)), onMousedown: clickThumbHandler }, null, 38) ], 34), [ [vShow, _ctx.always || visible.value] ]) ]), _: 1 }, 8, ["name"]); }; } }); var Thumb = /* @__PURE__ */ _export_sfc(_sfc_main$7, [["__file", "thumb.vue"]]); const barProps = buildProps({ always: { type: Boolean, default: true }, minSize: { type: Number, required: true } }); const _sfc_main$6 = /* @__PURE__ */ defineComponent({ __name: "bar", props: barProps, setup(__props, { expose }) { const props = __props; const scrollbar = inject(scrollbarContextKey); const moveX = ref(0); const moveY = ref(0); const sizeWidth = ref(""); const sizeHeight = ref(""); const ratioY = ref(1); const ratioX = ref(1); const handleScroll = (wrap) => { if (wrap) { const offsetHeight = wrap.offsetHeight - GAP; const offsetWidth = wrap.offsetWidth - GAP; moveY.value = wrap.scrollTop * 100 / offsetHeight * ratioY.value; moveX.value = wrap.scrollLeft * 100 / offsetWidth * ratioX.value; } }; const update = () => { const wrap = scrollbar == null ? void 0 : scrollbar.wrapElement; if (!wrap) return; const offsetHeight = wrap.offsetHeight - GAP; const offsetWidth = wrap.offsetWidth - GAP; const originalHeight = offsetHeight ** 2 / wrap.scrollHeight; const originalWidth = offsetWidth ** 2 / wrap.scrollWidth; const height = Math.max(originalHeight, props.minSize); const width = Math.max(originalWidth, props.minSize); ratioY.value = originalHeight / (offsetHeight - originalHeight) / (height / (offsetHeight - height)); ratioX.value = originalWidth / (offsetWidth - originalWidth) / (width / (offsetWidth - width)); sizeHeight.value = height + GAP < offsetHeight ? `${height}px` : ""; sizeWidth.value = width + GAP < offsetWidth ? `${width}px` : ""; }; expose({ handleScroll, update }); return (_ctx, _cache) => { return openBlock(), createElementBlock(Fragment, null, [ createVNode(Thumb, { move: moveX.value, ratio: ratioX.value, size: sizeWidth.value, always: _ctx.always }, null, 8, ["move", "ratio", "size", "always"]), createVNode(Thumb, { move: moveY.value, ratio: ratioY.value, size: sizeHeight.value, vertical: "", always: _ctx.always }, null, 8, ["move", "ratio", "size", "always"]) ], 64); }; } }); var Bar = /* @__PURE__ */ _export_sfc(_sfc_main$6, [["__file", "bar.vue"]]); const scrollbarProps = buildProps({ height: { type: [String, Number], default: "" }, maxHeight: { type: [String, Number], default: "" }, native: { type: Boolean, default: false }, wrapStyle: { type: definePropType([String, Object, Array]), default: "" }, wrapClass: { type: [String, Array], default: "" }, viewClass: { type: [String, Array], default: "" }, viewStyle: { type: [String, Array, Object], default: "" }, noresize: Boolean, tag: { type: String, default: "div" }, always: Boolean, minSize: { type: Number, default: 20 }, tabindex: { type: [String, Number], default: void 0 }, id: String, role: String, ...useAriaProps(["ariaLabel", "ariaOrientation"]) }); const scrollbarEmits = { scroll: ({ scrollTop, scrollLeft }) => [scrollTop, scrollLeft].every(isNumber) }; const COMPONENT_NAME$1 = "ElScrollbar"; const __default__$1 = defineComponent({ name: COMPONENT_NAME$1 }); const _sfc_main$5 = /* @__PURE__ */ defineComponent({ ...__default__$1, props: scrollbarProps, emits: scrollbarEmits, setup(__props, { expose, emit }) { const props = __props; const ns = useNamespace("scrollbar"); let stopResizeObserver = void 0; let stopResizeListener = void 0; let wrapScrollTop = 0; let wrapScrollLeft = 0; const scrollbarRef = ref(); const wrapRef = ref(); const resizeRef = ref(); const barRef = ref(); const wrapStyle = computed(() => { const style = {}; if (props.height) style.height = addUnit(props.height); if (props.maxHeight) style.maxHeight = addUnit(props.maxHeight); return [props.wrapStyle, style]; }); const wrapKls = computed(() => { return [ props.wrapClass, ns.e("wrap"), { [ns.em("wrap", "hidden-default")]: !props.native } ]; }); const resizeKls = computed(() => { return [ns.e("view"), props.viewClass]; }); const handleScroll = () => { var _a; if (wrapRef.value) { (_a = barRef.value) == null ? void 0 : _a.handleScroll(wrapRef.value); wrapScrollTop = wrapRef.value.scrollTop; wrapScrollLeft = wrapRef.value.scrollLeft; emit("scroll", { scrollTop: wrapRef.value.scrollTop, scrollLeft: wrapRef.value.scrollLeft }); } }; function scrollTo(arg1, arg2) { if (isObject(arg1)) { wrapRef.value.scrollTo(arg1); } else if (isNumber(arg1) && isNumber(arg2)) { wrapRef.value.scrollTo(arg1, arg2); } } const setScrollTop = (value) => { if (!isNumber(value)) { debugWarn(COMPONENT_NAME$1, "value must be a number"); return; } wrapRef.value.scrollTop = value; }; const setScrollLeft = (value) => { if (!isNumber(value)) { debugWarn(COMPONENT_NAME$1, "value must be a number"); return; } wrapRef.value.scrollLeft = value; }; const update = () => { var _a; (_a = barRef.value) == null ? void 0 : _a.update(); }; watch(() => props.noresize, (noresize) => { if (noresize) { stopResizeObserver == null ? void 0 : stopResizeObserver(); stopResizeListener == null ? void 0 : stopResizeListener(); } else { ({ stop: stopResizeObserver } = useResizeObserver(resizeRef, update)); stopResizeListener = useEventListener("resize", update); } }, { immediate: true }); watch(() => [props.maxHeight, props.height], () => { if (!props.native) nextTick(() => { var _a; update(); if (wrapRef.value) { (_a = barRef.value) == null ? void 0 : _a.handleScroll(wrapRef.value); } }); }); provide(scrollbarContextKey, reactive({ scrollbarElement: scrollbarRef, wrapElement: wrapRef })); onActivated(() => { if (wrapRef.value) { wrapRef.value.scrollTop = wrapScrollTop; wrapRef.value.scrollLeft = wrapScrollLeft; } }); onMounted(() => { if (!props.native) nextTick(() => { update(); }); }); onUpdated(() => update()); expose({ wrapRef, update, scrollTo, setScrollTop, setScrollLeft, handleScroll }); return (_ctx, _cache) => { return openBlock(), createElementBlock("div", { ref_key: "scrollbarRef", ref: scrollbarRef, class: normalizeClass(unref(ns).b()) }, [ createElementVNode("div", { ref_key: "wrapRef", ref: wrapRef, class: normalizeClass(unref(wrapKls)), style: normalizeStyle(unref(wrapStyle)), tabindex: _ctx.tabindex, onScroll: handleScroll }, [ (openBlock(), createBlock(resolveDynamicComponent(_ctx.tag), { id: _ctx.id, ref_key: "resizeRef", ref: resizeRef, class: normalizeClass(unref(resizeKls)), style: normalizeStyle(_ctx.viewStyle), role: _ctx.role, "aria-label": _ctx.ariaLabel, "aria-orientation": _ctx.ariaOrientation }, { default: withCtx(() => [ renderSlot(_ctx.$slots, "default") ]), _: 3 }, 8, ["id", "class", "style", "role", "aria-label", "aria-orientation"])) ], 46, ["tabindex"]), !_ctx.native ? (openBlock(), createBlock(Bar, { key: 0, ref_key: "barRef", ref: barRef, always: _ctx.always, "min-size": _ctx.minSize }, null, 8, ["always", "min-size"])) : createCommentVNode("v-if", true) ], 2); }; } }); var Scrollbar = /* @__PURE__ */ _export_sfc(_sfc_main$5, [["__file", "scrollbar.vue"]]); const ElScrollbar = withInstall(Scrollbar); const tagProps = buildProps({ type: { type: String, values: ["primary", "success", "info", "warning", "danger"], default: "primary" }, closable: Boolean, disableTransitions: Boolean, hit: Boolean, color: String, size: { type: String, values: componentSizes }, effect: { type: String, values: ["dark", "light", "plain"], default: "light" }, round: Boolean }); const tagEmits = { close: (evt) => evt instanceof MouseEvent, click: (evt) => evt instanceof MouseEvent }; const __default__ = defineComponent({ name: "ElTag" }); const _sfc_main$4 = /* @__PURE__ */ defineComponent({ ...__default__, props: tagProps, emits: tagEmits, setup(__props, { emit }) { const props = __props; const tagSize = useFormSize(); const ns = useNamespace("tag"); const containerKls = computed(() => { const { type, hit, effect, closable, round } = props; return [ ns.b(), ns.is("closable", closable), ns.m(type || "primary"), ns.m(tagSize.value), ns.m(effect), ns.is("hit", hit), ns.is("round", round) ]; }); const handleClose = (event) => { emit("close", event); }; const handleClick = (event) => { emit("click", event); }; const handleVNodeMounted = (vnode) => { var _a, _b, _c; if ((_c = (_b = (_a = vnode == null ? void 0 : vnode.component) == null ? void 0 : _a.subTree) == null ? void 0 : _b.component) == null ? void 0 : _c.bum) { vnode.component.subTree.component.bum = null; } }; return (_ctx, _cache) => { return _ctx.disableTransitions ? (openBlock(), createElementBlock("span", { key: 0, class: normalizeClass(unref(containerKls)), style: normalizeStyle({ backgroundColor: _ctx.color }), onClick: handleClick }, [ createElementVNode("span", { class: normalizeClass(unref(ns).e("content")) }, [ renderSlot(_ctx.$slots, "default") ], 2), _ctx.closable ? (openBlock(), createBlock(unref(ElIcon), { key: 0, class: normalizeClass(unref(ns).e("close")), onClick: withModifiers(handleClose, ["stop"]) }, { default: withCtx(() => [ createVNode(unref(close_default)) ]), _: 1 }, 8, ["class", "onClick"])) : createCommentVNode("v-if", true) ], 6)) : (openBlock(), createBlock(Transition, { key: 1, name: `${unref(ns).namespace.value}-zoom-in-center`, appear: "", onVnodeMounted: handleVNodeMounted }, { default: withCtx(() => [ createElementVNode("span", { class: normalizeClass(unref(containerKls)), style: normalizeStyle({ backgroundColor: _ctx.color }), onClick: handleClick }, [ createElementVNode("span", { class: normalizeClass(unref(ns).e("content")) }, [ renderSlot(_ctx.$slots, "default") ], 2), _ctx.closable ? (openBlock(), createBlock(unref(ElIcon), { key: 0, class: normalizeClass(unref(ns).e("close")), onClick: withModifiers(handleClose, ["stop"]) }, { default: withCtx(() => [ createVNode(unref(close_default)) ]), _: 1 }, 8, ["class", "onClick"])) : createCommentVNode("v-if", true) ], 6) ]), _: 3 }, 8, ["name"])); }; } }); var Tag = /* @__PURE__ */ _export_sfc(_sfc_main$4, [["__file", "tag.vue"]]); const ElTag = withInstall(Tag); const selectGroupKey = Symbol("ElSelectGroup"); const selectKey = Symbol("ElSelect"); const escapeStringRegexp = (string = "") => string.replace(/[|\\{}()[\]^$+*?.]/g, "\\$&").replace(/-/g, "\\x2d"); function useOption(props, states) { const select = inject(selectKey); const selectGroup = inject(selectGroupKey, { disabled: false }); const itemSelected = computed(() => { return contains(castArray(select.props.modelValue), props.value); }); const limitReached = computed(() => { var _a; if (select.props.multiple) { const modelValue = castArray((_a = select.props.modelValue) != null ? _a : []); return !itemSelected.value && modelValue.length >= select.props.multipleLimit && select.props.multipleLimit > 0; } else { return false; } }); const currentLabel = computed(() => { return props.label || (isObject(props.value) ? "" : props.value); }); const currentValue = computed(() => { return props.value || props.label || ""; }); const isDisabled = computed(() => { return props.disabled || states.groupDisabled || limitReached.value; }); const instance = getCurrentInstance(); const contains = (arr = [], target) => { if (!isObject(props.value)) { return arr && arr.includes(target); } else { const valueKey = select.props.valueKey; return arr && arr.some((item) => { return toRaw(get(item, valueKey)) === get(target, valueKey); }); } }; const hoverItem = () => { if (!props.disabled && !selectGroup.disabled) { select.states.hoveringIndex = select.optionsArray.indexOf(instance.proxy); } }; const updateOption = (query) => { const regexp = new RegExp(escapeStringRegexp(query), "i"); states.visible = regexp.test(currentLabel.value) || props.created; }; watch(() => currentLabel.value, () => { if (!props.created && !select.props.remote) select.setSelected(); }); watch(() => props.value, (val, oldVal) => { const { remote, valueKey } = select.props; if (val !== oldVal) { select.onOptionDestroy(oldVal, instance.proxy); select.onOptionCreate(instance.proxy); } if (!props.created && !remote) { if (valueKey && isObject(val) && isObject(oldVal) && val[valueKey] === oldVal[valueKey]) { return; } select.setSelected(); } }); watch(() => selectGroup.disabled, () => { states.groupDisabled = selectGroup.disabled; }, { immediate: true }); return { select, currentLabel, currentValue, itemSelected, isDisabled, hoverItem, updateOption }; } const _sfc_main$3 = defineComponent({ name: "ElOption", componentName: "ElOption", props: { value: { required: true, type: [String, Number, Boolean, Object] }, label: [String, Number], created: Boolean, disabled: Boolean }, setup(props) { const ns = useNamespace("select"); const id = useId(); const containerKls = computed(() => [ ns.be("dropdown", "item"), ns.is("disabled", unref(isDisabled)), ns.is("selected", unref(itemSelected)), ns.is("hovering", unref(hover)) ]); const states = reactive({ index: -1, groupDisabled: false, visible: true, hover: false }); const { currentLabel, itemSelected, isDisabled, select, hoverItem, updateOption } = useOption(props, states); const { visible, hover } = toRefs(states); const vm = getCurrentInstance().proxy; select.onOptionCreate(vm); onBeforeUnmount(() => { const key = vm.value; const { selected: selectedOptions } = select.states; const doesSelected = selectedOptions.some((item) => { return item.value === vm.value; }); nextTick(() => { if (select.states.cachedOptions.get(key) === vm && !doesSelected) { select.states.cachedOptions.delete(key); } }); select.onOptionDestroy(key, vm); }); function selectOptionClick() { if (!isDisabled.value) { select.handleOptionSelect(vm); } } return { ns, id, containerKls, currentLabel, itemSelected, isDisabled, select, hoverItem, updateOption, visible, hover, selectOptionClick, states }; } }); function _sfc_render$3(_ctx, _cache, $props, $setup, $data, $options) { return withDirectives((openBlock(), createElementBlock("li", { id: _ctx.id, class: normalizeClass(_ctx.containerKls), role: "option", "aria-disabled": _ctx.isDisabled || void 0, "aria-selected": _ctx.itemSelected, onMousemove: _ctx.hoverItem, onClick: withModifiers(_ctx.selectOptionClick, ["stop"]) }, [ renderSlot(_ctx.$slots, "default", {}, () => [ createElementVNode("span", null, toDisplayString(_ctx.currentLabel), 1) ]) ], 42, ["id", "aria-disabled", "aria-selected", "onMousemove", "onClick"])), [ [vShow, _ctx.visible] ]); } var Option = /* @__PURE__ */ _export_sfc(_sfc_main$3, [["render", _sfc_render$3], ["__file", "option.vue"]]); const _sfc_main$2 = defineComponent({ name: "ElSelectDropdown", componentName: "ElSelectDropdown", setup() { const select = inject(selectKey); const ns = useNamespace("select"); const popperClass = computed(() => select.props.popperClass); const isMultiple = computed(() => select.props.multiple); const isFitInputWidth = computed(() => select.props.fitInputWidth); const minWidth = ref(""); function updateMinWidth() { var _a; minWidth.value = `${(_a = select.selectRef) == null ? void 0 : _a.offsetWidth}px`; } onMounted(() => { updateMinWidth(); useResizeObserver(select.selectRef, updateMinWidth); }); return { ns, minWidth, popperClass, isMultiple, isFitInputWidth }; } }); function _sfc_render$2(_ctx, _cache, $props, $setup, $data, $options) { return openBlock(), createElementBlock("div", { class: normalizeClass([_ctx.ns.b("dropdown"), _ctx.ns.is("multiple", _ctx.isMultiple), _ctx.popperClass]), style: normalizeStyle({ [_ctx.isFitInputWidth ? "width" : "minWidth"]: _ctx.minWidth }) }, [ _ctx.$slots.header ? (openBlock(), createElementBlock("div", { key: 0, class: normalizeClass(_ctx.ns.be("dropdown", "header")) }, [ renderSlot(_ctx.$slots, "header") ], 2)) : createCommentVNode("v-if", true), renderSlot(_ctx.$slots, "default"), _ctx.$slots.footer ? (openBlock(), createElementBlock("div", { key: 1, class: normalizeClass(_ctx.ns.be("dropdown", "footer")) }, [ renderSlot(_ctx.$slots, "footer") ], 2)) : createCommentVNode("v-if", true) ], 6); } var ElSelectMenu = /* @__PURE__ */ _export_sfc(_sfc_main$2, [["render", _sfc_render$2], ["__file", "select-dropdown.vue"]]); const useSelect = (props, emit) => { const { t } = useLocale(); const contentId = useId(); const nsSelect = useNamespace("select"); const nsInput = useNamespace("input"); const states = reactive({ inputValue: "", options: /* @__PURE__ */ new Map(), cachedOptions: /* @__PURE__ */ new Map(), optionValues: [], selected: [], selectionWidth: 0, collapseItemWidth: 0, selectedLabel: "", hoveringIndex: -1, previousQuery: null, inputHovering: false, menuVisibleOnFocus: false, isBeforeHide: false }); const selectRef = ref(null); const selectionRef = ref(null); const tooltipRef = ref(null); const tagTooltipRef = ref(null); const inputRef = ref(null); const prefixRef = ref(null); const suffixRef = ref(null); const menuRef = ref(null); const tagMenuRef = ref(null); const collapseItemRef = ref(null); const scrollbarRef = ref(null); const { isComposing, handleCompositionStart, handleCompositionUpdate, handleCompositionEnd } = useComposition({ afterComposition: (e) => onInput(e) }); const { wrapperRef, isFocused, handleBlur } = useFocusController(inputRef, { beforeFocus() { return selectDisabled.value; }, afterFocus() { if (props.automaticDropdown && !expanded.value) { expanded.value = true; states.menuVisibleOnFocus = true; } }, beforeBlur(event) { var _a, _b; return ((_a = tooltipRef.value) == null ? void 0 : _a.isFocusInsideContent(event)) || ((_b = tagTooltipRef.value) == null ? void 0 : _b.isFocusInsideContent(event)); }, afterBlur() { expanded.value = false; states.menuVisibleOnFocus = false; } }); const expanded = ref(false); const hoverOption = ref(); const { form, formItem } = useFormItem(); const { inputId } = useFormItemInputId(props, { formItemContext: formItem }); const { valueOnClear, isEmptyValue } = useEmptyValues(props); const selectDisabled = computed(() => props.disabled || (form == null ? void 0 : form.disabled)); const hasModelValue = computed(() => { return isArray(props.modelValue) ? props.modelValue.length > 0 : !isEmptyValue(props.modelValue); }); const needStatusIcon = computed(() => { var _a; return (_a = form == null ? void 0 : form.statusIcon) != null ? _a : false; }); const showClose = computed(() => { return props.clearable && !selectDisabled.value && states.inputHovering && hasModelValue.value; }); const iconComponent = computed(() => props.remote && props.filterable && !props.remoteShowSuffix ? "" : props.suffixIcon); const iconReverse = computed(() => nsSelect.is("reverse", iconComponent.value && expanded.value)); const validateState = computed(() => (formItem == null ? void 0 : formItem.validateState) || ""); const validateIcon = computed(() => ValidateComponentsMap[validateState.value]); const debounce$1 = computed(() => props.remote ? 300 : 0); const isRemoteSearchEmpty = computed(() => props.remote && !states.inputValue && states.options.size === 0); const emptyText = computed(() => { if (props.loading) { return props.loadingText || t("el.select.loading"); } else { if (props.filterable && states.inputValue && states.options.size > 0 && filteredOptionsCount.value === 0) { return props.noMatchText || t("el.select.noMatch"); } if (states.options.size === 0) { return props.noDataText || t("el.select.noData"); } } return null; }); const filteredOptionsCount = computed(() => optionsArray.value.filter((option) => option.visible).length); const optionsArray = computed(() => { const list = Array.from(states.options.values()); const newList = []; states.optionValues.forEach((item) => { const index = list.findIndex((i) => i.value === item); if (index > -1) { newList.push(list[index]); } }); return newList.length >= list.length ? newList : list; }); const cachedOptionsArray = computed(() => Array.from(states.cachedOptions.values())); const showNewOption = computed(() => { const hasExistingOption = optionsArray.value.filter((option) => { return !option.created; }).some((option) => { return option.currentLabel === states.inputValue; }); return props.filterable && props.allowCreate && states.inputValue !== "" && !hasExistingOption; }); const updateOptions = () => { if (props.filterable && isFunction(props.filterMethod)) return; if (props.filterable && props.remote && isFunction(props.remoteMethod)) return; optionsArray.value.forEach((option) => { var _a; (_a = option.updateOption) == null ? void 0 : _a.call(option, states.inputValue); }); }; const selectSize = useFormSize(); const collapseTagSize = computed(() => ["small"].includes(selectSize.value) ? "small" : "default"); const dropdownMenuVisible = computed({ get() { return expanded.value && !isRemoteSearchEmpty.value; }, set(val) { expanded.value = val; } }); const shouldShowPlaceholder = computed(() => { if (props.multiple && !isUndefined(props.modelValue)) { return castArray(props.modelValue).length === 0 && !states.inputValue; } const value = isArray(props.modelValue) ? props.modelValue[0] : props.modelValue; return props.filterable || isUndefined(value) ? !states.inputValue : true; }); const currentPlaceholder = computed(() => { var _a; const _placeholder = (_a = props.placeholder) != null ? _a : t("el.select.placeholder"); return props.multiple || !hasModelValue.value ? _placeholder : states.selectedLabel; }); const mouseEnterEventName = computed(() => isIOS ? null : "mouseenter"); watch(() => props.modelValue, (val, oldVal) => { if (props.multiple) { if (props.filterable && !props.reserveKeyword) { states.inputValue = ""; handleQueryChange(""); } } setSelected(); if (!isEqual(val, oldVal) && props.validateEvent) { formItem == null ? void 0 : formItem.validate("change").catch((err) => debugWarn(err)); } }, { flush: "post", deep: true }); watch(() => expanded.value, (val) => { if (val) { handleQueryChange(states.inputValue); } else { states.inputValue = ""; states.previousQuery = null; states.isBeforeHide = true; } emit("visible-change", val); }); watch(() => states.options.entries(), () => { if (!isClient) return; setSelected(); if (props.defaultFirstOption && (props.filterable || props.remote) && filteredOptionsCount.value) { checkDefaultFirstOption(); } }, { flush: "post" }); watch(() => states.hoveringIndex, (val) => { if (isNumber(val) && val > -1) { hoverOption.value = optionsArray.value[val] || {}; } else { hoverOption.value = {}; } optionsArray.value.forEach((option) => { option.hover = hoverOption.value === option; }); }); watchEffect(() => { if (states.isBeforeHide) return; updateOptions(); }); const handleQueryChange = (val) => { if (states.previousQuery === val || isComposing.value) { return; } states.previousQuery = val; if (props.filterable && isFunction(props.filterMethod)) { props.filterMethod(val); } else if (props.filterable && props.remote && isFunction(props.remoteMethod)) { props.remoteMethod(val); } if (props.defaultFirstOption && (props.filterable || props.remote) && filteredOptionsCount.value) { nextTick(checkDefaultFirstOption); } else { nextTick(updateHoveringIndex); } }; const checkDefaultFirstOption = () => { const optionsInDropdown = optionsArray.value.filter((n) => n.visible && !n.disabled && !n.states.groupDisabled); const userCreatedOption = optionsInDropdown.find((n) => n.created); const firstOriginOption = optionsInDropdown[0]; const valueList = optionsArray.value.map((item) => item.value); states.hoveringIndex = getValueIndex(valueList, userCreatedOption || firstOriginOption); }; const setSelected = () => { if (!props.multiple) { const value = isArray(props.modelValue) ? props.modelValue[0] : props.modelValue; const option = getOption(value); states.selectedLabel = option.currentLabel; states.selected = [option]; return; } else { states.selectedLabel = ""; } const result = []; if (!isUndefined(props.modelValue)) { castArray(props.modelValue).forEach((value) => { result.push(getOption(value)); }); } states.selected = result; }; const getOption = (value) => { let option; const isObjectValue = isPlainObject(value); for (let i = states.cachedOptions.size - 1; i >= 0; i--) { const cachedOption = cachedOptionsArray.value[i]; const isEqualValue = isObjectValue ? get(cachedOption.value, props.valueKey) === get(value, props.valueKey) : cachedOption.value === value; if (isEqualValue) { option = { value, currentLabel: cachedOption.currentLabel, get isDisabled() { return cachedOption.isDisabled; } }; break; } } if (option) return option; const label = isObjectValue ? value.label : value != null ? value : ""; const newOption = { value, currentLabel: label }; return newOption; }; const updateHoveringIndex = () => { states.hoveringIndex = optionsArray.value.findIndex((item) => states.selected.some((selected) => getValueKey(selected) === getValueKey(item))); }; const resetSelectionWidth = () => { states.selectionWidth = selectionRef.value.getBoundingClientRect().width; }; const resetCollapseItemWidth = () => { states.collapseItemWidth = collapseItemRef.value.getBoundingClientRect().width; }; const updateTooltip = () => { var _a, _b; (_b = (_a = tooltipRef.value) == null ? void 0 : _a.updatePopper) == null ? void 0 : _b.call(_a); }; const updateTagTooltip = () => { var _a, _b; (_b = (_a = tagTooltipRef.value) == null ? void 0 : _a.updatePopper) == null ? void 0 : _b.call(_a); }; const onInputChange = () => { if (states.inputValue.length > 0 && !expanded.value) { expanded.value = true; } handleQueryChange(states.inputValue); }; const onInput = (event) => { states.inputValue = event.target.value; if (props.remote) { debouncedOnInputChange(); } else { return onInputChange(); } }; const debouncedOnInputChange = debounce(() => { onInputChange(); }, debounce$1.value); const emitChange = (val) => { if (!isEqual(props.modelValue, val)) { emit(CHANGE_EVENT, val); } }; const getLastNotDisabledIndex = (value) => findLastIndex(value, (it) => { const option = states.cachedOptions.get(it); return option && !option.disabled && !option.states.groupDisabled; }); const deletePrevTag = (e) => { if (!props.multiple) return; if (e.code === EVENT_CODE.delete) return; if (e.target.value.length <= 0) { const value = castArray(props.modelValue).slice(); const lastNotDisabledIndex = getLastNotDisabledIndex(value); if (lastNotDisabledIndex < 0) return; const removeTagValue = value[lastNotDisabledIndex]; value.splice(lastNotDisabledIndex, 1); emit(UPDATE_MODEL_EVENT, value); emitChange(value); emit("remove-tag", removeTagValue); } }; const deleteTag = (event, tag) => { const index = states.selected.indexOf(tag); if (index > -1 && !selectDisabled.value) { const value = castArray(props.modelValue).slice(); value.splice(index, 1); emit(UPDATE_MODEL_EVENT, value); emitChange(value); emit("remove-tag", tag.value); } event.stopPropagation(); focus(); }; const deleteSelected = (event) => { event.stopPropagation(); const value = props.multiple ? [] : valueOnClear.value; if (props.multiple) { for (const item of states.selected) { if (item.isDisabled) value.push(item.value); } } emit(UPDATE_MODEL_EVENT, value); emitChange(value); states.hoveringIndex = -1; expanded.value = false; emit("clear"); focus(); }; const handleOptionSelect = (option) => { var _a; if (props.multiple) { const value = castArray((_a = props.modelValue) != null ? _a : []).slice(); const optionIndex = getValueIndex(value, option); if (optionIndex > -1) { value.splice(optionIndex, 1); } else if (props.multipleLimit <= 0 || value.length < props.multipleLimit) { value.push(option.value); } emit(UPDATE_MODEL_EVENT, value); emitChange(value); if (option.created) { handleQueryChange(""); } if (props.filterable && !props.reserveKeyword) { states.inputValue = ""; } } else { emit(UPDATE_MODEL_EVENT, option.value); emitChange(option.value); expanded.value = false; } focus(); if (expanded.value) return; nextTick(() => { scrollToOption(option); }); }; const getValueIndex = (arr = [], option) => { if (isUndefined(option)) return -1; if (!isObject(option.value)) return arr.indexOf(option.value); return arr.findIndex((item) => { return isEqual(get(item, props.valueKey), getValueKey(option)); }); }; const scrollToOption = (option) => { var _a, _b, _c, _d, _e; const targetOption = isArray(option) ? option[0] : option; let target = null; if (targetOption == null ? void 0 : targetOption.value) { const options = optionsArray.value.filter((item) => item.value === targetOption.value); if (options.length > 0) { target = options[0].$el; } } if (tooltipRef.value && target) { const menu = (_d = (_c = (_b = (_a = tooltipRef.value) == null ? void 0 : _a.popperRef) == null ? void 0 : _b.contentRef) == null ? void 0 : _c.querySelector) == null ? void 0 : _d.call(_c, `.${nsSelect.be("dropdown", "wrap")}`); if (menu) { scrollIntoView(menu, target); } } (_e = scrollbarRef.value) == null ? void 0 : _e.handleScroll(); }; const onOptionCreate = (vm) => { states.options.set(vm.value, vm); states.cachedOptions.set(vm.value, vm); }; const onOptionDestroy = (key, vm) => { if (states.options.get(key) === vm) { states.options.delete(key); } }; const popperRef = computed(() => { var _a, _b; return (_b = (_a = tooltipRef.value) == null ? void 0 : _a.popperRef) == null ? void 0 : _b.contentRef; }); const handleMenuEnter = () => { states.isBeforeHide = false; nextTick(() => scrollToOption(states.selected)); }; const focus = () => { var _a; (_a = inputRef.value) == null ? void 0 : _a.focus(); }; const blur = () => { var _a; if (expanded.value) { expanded.value = false; nextTick(() => { var _a2; return (_a2 = inputRef.value) == null ? void 0 : _a2.blur(); }); return; } (_a = inputRef.value) == null ? void 0 : _a.blur(); }; const handleClearClick = (event) => { deleteSelected(event); }; const handleClickOutside = (event) => { expanded.value = false; if (isFocused.value) { const _event = new FocusEvent("focus", event); nextTick(() => handleBlur(_event)); } }; const handleEsc = () => { if (states.inputValue.length > 0) { states.inputValue = ""; } else { expanded.value = false; } }; const toggleMenu = () => { if (selectDisabled.value) return; if (isIOS) states.inputHovering = true; if (states.menuVisibleOnFocus) { states.menuVisibleOnFocus = false; } else { expanded.value = !expanded.value; } }; const selectOption = () => { if (!expanded.value) { toggleMenu(); } else { const option = optionsArray.value[states.hoveringIndex]; if (option && !option.isDisabled) { handleOptionSelect(option); } } }; const getValueKey = (item) => { return isObject(item.value) ? get(item.value, props.valueKey) : item.value; }; const optionsAllDisabled = computed(() => optionsArray.value.filter((option) => option.visible).every((option) => option.isDisabled)); const showTagList = computed(() => { if (!props.multiple) { return []; } return props.collapseTags ? states.selected.slice(0, props.maxCollapseTags) : states.selected; }); const collapseTagList = computed(() => { if (!props.multiple) { return []; } return props.collapseTags ? states.selected.slice(props.maxCollapseTags) : []; }); const navigateOptions = (direction) => { if (!expanded.value) { expanded.value = true; return; } if (states.options.size === 0 || filteredOptionsCount.value === 0 || isComposing.value) return; if (!optionsAllDisabled.value) { if (direction === "next") { states.hoveringIndex++; if (states.hoveringIndex === states.options.size) { states.hoveringIndex = 0; } } else if (direction === "prev") { states.hoveringIndex--; if (states.hoveringIndex < 0) { states.hoveringIndex = states.options.size - 1; } } const option = optionsArray.value[states.hoveringIndex]; if (option.isDisabled || !option.visible) { navigateOptions(direction); } nextTick(() => scrollToOption(hoverOption.value)); } }; const getGapWidth = () => { if (!selectionRef.value) return 0; const style = window.getComputedStyle(selectionRef.value); return Number.parseFloat(style.gap || "6px"); }; const tagStyle = computed(() => { const gapWidth = getGapWidth(); const maxWidth = collapseItemRef.value && props.maxCollapseTags === 1 ? states.selectionWidth - states.collapseItemWidth - gapWidth : states.selectionWidth; return { maxWidth: `${maxWidth}px` }; }); const collapseTagStyle = computed(() => { return { maxWidth: `${states.selectionWidth}px` }; }); useResizeObserver(selectionRef, resetSelectionWidth); useResizeObserver(menuRef, updateTooltip); useResizeObserver(wrapperRef, updateTooltip); useResizeObserver(tagMenuRef, updateTagTooltip); useResizeObserver(collapseItemRef, resetCollapseItemWidth); onMounted(() => { setSelected(); }); return { inputId, contentId, nsSelect, nsInput, states, isFocused, expanded, optionsArray, hoverOption, selectSize, filteredOptionsCount, updateTooltip, updateTagTooltip, debouncedOnInputChange, onInput, deletePrevTag, deleteTag, deleteSelected, handleOptionSelect, scrollToOption, hasModelValue, shouldShowPlaceholder, currentPlaceholder, mouseEnterEventName, needStatusIcon, showClose, iconComponent, iconReverse, validateState, validateIcon, showNewOption, updateOptions, collapseTagSize, setSelected, selectDisabled, emptyText, handleCompositionStart, handleCompositionUpdate, handleCompositionEnd, onOptionCreate, onOptionDestroy, handleMenuEnter, focus, blur, handleClearClick, handleClickOutside, handleEsc, toggleMenu, selectOption, getValueKey, navigateOptions, dropdownMenuVisible, showTagList, collapseTagList, tagStyle, collapseTagStyle, popperRef, inputRef, tooltipRef, tagTooltipRef, prefixRef, suffixRef, selectRef, wrapperRef, selectionRef, scrollbarRef, menuRef, tagMenuRef, collapseItemRef }; }; var ElOptions = defineComponent({ name: "ElOptions", setup(_, { slots }) { const select = inject(selectKey); let cachedValueList = []; return () => { var _a, _b; const children = (_a = slots.default) == null ? void 0 : _a.call(slots); const valueList = []; function filterOptions(children2) { if (!isArray(children2)) return; children2.forEach((item) => { var _a2, _b2, _c, _d; const name = (_a2 = (item == null ? void 0 : item.type) || {}) == null ? void 0 : _a2.name; if (name === "ElOptionGroup") { filterOptions(!isString(item.children) && !isArray(item.children) && isFunction((_b2 = item.children) == null ? void 0 : _b2.default) ? (_c = item.children) == null ? void 0 : _c.default() : item.children); } else if (name === "ElOption") { valueList.push((_d = item.props) == null ? void 0 : _d.value); } else if (isArray(item.children)) { filterOptions(item.children); } }); } if (children.length) { filterOptions((_b = children[0]) == null ? void 0 : _b.children); } if (!isEqual(valueList, cachedValueList)) { cachedValueList = valueList; if (select) { select.states.optionValues = valueList; } } return children; }; } }); const SelectProps = buildProps({ name: String, id: String, modelValue: { type: [Array, String, Number, Boolean, Object], default: void 0 }, autocomplete: { type: String, default: "off" }, automaticDropdown: Boolean, size: useSizeProp, effect: { type: definePropType(String), default: "light" }, disabled: Boolean, clearable: Boolean, filterable: Boolean, allowCreate: Boolean, loading: Boolean, popperClass: { type: String, default: "" }, popperOptions: { type: definePropType(Object), default: () => ({}) }, remote: Boolean, loadingText: String, noMatchText: String, noDataText: String, remoteMethod: Function, filterMethod: Function, multiple: Boolean, multipleLimit: { type: Number, default: 0 }, placeholder: { type: String }, defaultFirstOption: Boolean, reserveKeyword: { type: Boolean, default: true }, valueKey: { type: String, default: "value" }, collapseTags: Boolean, collapseTagsTooltip: Boolean, maxCollapseTags: { type: Number, default: 1 }, teleported: useTooltipContentProps.teleported, persistent: { type: Boolean, default: true }, clearIcon: { type: iconPropType, default: circle_close_default }, fitInputWidth: Boolean, suffixIcon: { type: iconPropType, default: arrow_down_default }, tagType: { ...tagProps.type, default: "info" }, tagEffect: { ...tagProps.effect, default: "light" }, validateEvent: { type: Boolean, default: true }, remoteShowSuffix: Boolean, showArrow: { type: Boolean, default: true }, offset: { type: Number, default: 12 }, placement: { type: definePropType(String), values: Ee, default: "bottom-start" }, fallbackPlacements: { type: