element-plus
Version:
A Component Library for Vue3.0
384 lines (373 loc) • 13 kB
JavaScript
;
Object.defineProperty(exports, '__esModule', { value: true });
var vue = require('vue');
var hooks = require('../hooks');
var debounce = require('lodash/debounce');
var directives = require('../directives');
var util = require('../utils/util');
var constants = require('../utils/constants');
var throwError = require('../utils/error');
var ElInput = require('../el-input');
var ElScrollbar = require('../el-scrollbar');
var ElPopper = require('../el-popper');
function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }
var debounce__default = /*#__PURE__*/_interopDefaultLegacy(debounce);
var throwError__default = /*#__PURE__*/_interopDefaultLegacy(throwError);
var ElInput__default = /*#__PURE__*/_interopDefaultLegacy(ElInput);
var ElScrollbar__default = /*#__PURE__*/_interopDefaultLegacy(ElScrollbar);
var ElPopper__default = /*#__PURE__*/_interopDefaultLegacy(ElPopper);
/**
* Make a map and return a function for checking if a key
* is in that map.
* IMPORTANT: all calls of this function must be prefixed with
* \/\*#\_\_PURE\_\_\*\/
* So that rollup can tree-shake them if necessary.
*/
const EMPTY_OBJ = (process.env.NODE_ENV !== 'production')
? Object.freeze({})
: {};
const EMPTY_ARR = (process.env.NODE_ENV !== 'production') ? Object.freeze([]) : [];
const NOOP = () => { };
var script = vue.defineComponent({
name: "ElAutocomplete",
components: {
ElPopper: ElPopper__default['default'],
ElInput: ElInput__default['default'],
ElScrollbar: ElScrollbar__default['default']
},
directives: {
clickoutside: directives.ClickOutside
},
inheritAttrs: false,
props: {
valueKey: {
type: String,
default: "value"
},
modelValue: {
type: [String, Number],
default: ""
},
debounce: {
type: Number,
default: 300
},
placement: {
type: String,
validator: (val) => {
return ["top", "top-start", "top-end", "bottom", "bottom-start", "bottom-end"].includes(val);
},
default: "bottom-start"
},
fetchSuggestions: {
type: Function,
default: NOOP
},
popperClass: {
type: String,
default: ""
},
triggerOnFocus: {
type: Boolean,
default: true
},
selectWhenUnmatched: {
type: Boolean,
default: false
},
hideLoading: {
type: Boolean,
default: false
},
popperAppendToBody: {
type: Boolean,
default: true
},
highlightFirstItem: {
type: Boolean,
default: false
}
},
emits: [constants.UPDATE_MODEL_EVENT, "input", "change", "focus", "blur", "clear", "select"],
setup(props, ctx) {
const attrs = hooks.useAttrs();
const suggestions = vue.ref([]);
const highlightedIndex = vue.ref(-1);
const dropdownWidth = vue.ref("");
const activated = vue.ref(false);
const suggestionDisabled = vue.ref(false);
const loading = vue.ref(false);
const inputRef = vue.ref(null);
const regionRef = vue.ref(null);
const popper = vue.ref(null);
const id = vue.computed(() => {
return `el-autocomplete-${util.generateId()}`;
});
const suggestionVisible = vue.computed(() => {
const isValidData = util.isArray(suggestions.value) && suggestions.value.length > 0;
return (isValidData || loading.value) && activated.value;
});
const suggestionLoading = vue.computed(() => {
return !props.hideLoading && loading.value;
});
const updatePopperPosition = () => {
vue.nextTick(popper.value.update);
};
vue.watch(suggestionVisible, () => {
dropdownWidth.value = `${inputRef.value.$el.offsetWidth}px`;
});
vue.onMounted(() => {
inputRef.value.inputOrTextarea.setAttribute("role", "textbox");
inputRef.value.inputOrTextarea.setAttribute("aria-autocomplete", "list");
inputRef.value.inputOrTextarea.setAttribute("aria-controls", "id");
inputRef.value.inputOrTextarea.setAttribute("aria-activedescendant", `${id.value}-item-${highlightedIndex.value}`);
const $ul = regionRef.value.querySelector(".el-autocomplete-suggestion__list");
$ul.setAttribute("role", "listbox");
$ul.setAttribute("id", id.value);
});
vue.onUpdated(updatePopperPosition);
const getData = (queryString) => {
if (suggestionDisabled.value) {
return;
}
loading.value = true;
updatePopperPosition();
props.fetchSuggestions(queryString, (suggestionsArg) => {
loading.value = false;
if (suggestionDisabled.value) {
return;
}
if (util.isArray(suggestionsArg)) {
suggestions.value = suggestionsArg;
highlightedIndex.value = props.highlightFirstItem ? 0 : -1;
} else {
throwError__default['default']("ElAutocomplete", "autocomplete suggestions must be an array");
}
});
};
const debouncedGetData = debounce__default['default'](getData, props.debounce);
const handleInput = (value) => {
ctx.emit("input", value);
ctx.emit(constants.UPDATE_MODEL_EVENT, value);
suggestionDisabled.value = false;
if (!props.triggerOnFocus && !value) {
suggestionDisabled.value = true;
suggestions.value = [];
return;
}
debouncedGetData(value);
};
const handleChange = (value) => {
ctx.emit("change", value);
};
const handleFocus = (e) => {
activated.value = true;
ctx.emit("focus", e);
if (props.triggerOnFocus) {
debouncedGetData(props.modelValue);
}
};
const handleBlur = (e) => {
ctx.emit("blur", e);
};
const handleClear = () => {
activated.value = false;
ctx.emit(constants.UPDATE_MODEL_EVENT, "");
ctx.emit("clear");
};
const handleKeyEnter = () => {
if (suggestionVisible.value && highlightedIndex.value >= 0 && highlightedIndex.value < suggestions.value.length) {
select(suggestions.value[highlightedIndex.value]);
} else if (props.selectWhenUnmatched) {
ctx.emit("select", { value: props.modelValue });
vue.nextTick(() => {
suggestions.value = [];
highlightedIndex.value = -1;
});
}
};
const close = () => {
activated.value = false;
};
const focus = () => {
inputRef.value.focus();
};
const select = (item) => {
ctx.emit("input", item[props.valueKey]);
ctx.emit(constants.UPDATE_MODEL_EVENT, item[props.valueKey]);
ctx.emit("select", item);
vue.nextTick(() => {
suggestions.value = [];
highlightedIndex.value = -1;
});
};
const highlight = (index) => {
if (!suggestionVisible.value || loading.value) {
return;
}
if (index < 0) {
highlightedIndex.value = -1;
return;
}
if (index >= suggestions.value.length) {
index = suggestions.value.length - 1;
}
const suggestion = regionRef.value.querySelector(".el-autocomplete-suggestion__wrap");
const suggestionList = suggestion.querySelectorAll(".el-autocomplete-suggestion__list li");
const highlightItem = suggestionList[index];
const scrollTop = suggestion.scrollTop;
const { offsetTop, scrollHeight } = highlightItem;
if (offsetTop + scrollHeight > scrollTop + suggestion.clientHeight) {
suggestion.scrollTop += scrollHeight;
}
if (offsetTop < scrollTop) {
suggestion.scrollTop -= scrollHeight;
}
highlightedIndex.value = index;
inputRef.value.inputOrTextarea.setAttribute("aria-activedescendant", `${id.value}-item-${highlightedIndex.value}`);
};
return {
attrs,
suggestions,
highlightedIndex,
dropdownWidth,
activated,
suggestionDisabled,
loading,
inputRef,
regionRef,
popper,
id,
suggestionVisible,
suggestionLoading,
getData,
handleInput,
handleChange,
handleFocus,
handleBlur,
handleClear,
handleKeyEnter,
close,
focus,
select,
highlight
};
}
});
const _hoisted_1 = { key: 0 };
const _hoisted_2 = /* @__PURE__ */ vue.createVNode("i", { class: "el-icon-loading" }, null, -1);
function render(_ctx, _cache, $props, $setup, $data, $options) {
const _component_el_input = vue.resolveComponent("el-input");
const _component_el_scrollbar = vue.resolveComponent("el-scrollbar");
const _component_el_popper = vue.resolveComponent("el-popper");
const _directive_clickoutside = vue.resolveDirective("clickoutside");
return vue.openBlock(), vue.createBlock(_component_el_popper, {
ref: "popper",
visible: _ctx.suggestionVisible,
"onUpdate:visible": _cache[3] || (_cache[3] = ($event) => _ctx.suggestionVisible = $event),
placement: _ctx.placement,
"popper-class": `el-autocomplete__popper ${_ctx.popperClass}`,
"append-to-body": _ctx.popperAppendToBody,
pure: "",
"manual-mode": "",
effect: "light",
trigger: "click",
transition: "el-zoom-in-top",
"gpu-acceleration": false
}, {
trigger: vue.withCtx(() => [
vue.withDirectives(vue.createVNode("div", {
class: ["el-autocomplete", _ctx.$attrs.class],
style: _ctx.$attrs.style,
role: "combobox",
"aria-haspopup": "listbox",
"aria-expanded": _ctx.suggestionVisible,
"aria-owns": _ctx.id
}, [
vue.createVNode(_component_el_input, vue.mergeProps({ ref: "inputRef" }, _ctx.attrs, {
"model-value": _ctx.modelValue,
onInput: _ctx.handleInput,
onChange: _ctx.handleChange,
onFocus: _ctx.handleFocus,
onBlur: _ctx.handleBlur,
onClear: _ctx.handleClear,
onKeydown: [
_cache[1] || (_cache[1] = vue.withKeys(vue.withModifiers(($event) => _ctx.highlight(_ctx.highlightedIndex - 1), ["prevent"]), ["up"])),
_cache[2] || (_cache[2] = vue.withKeys(vue.withModifiers(($event) => _ctx.highlight(_ctx.highlightedIndex + 1), ["prevent"]), ["down"])),
vue.withKeys(_ctx.handleKeyEnter, ["enter"]),
vue.withKeys(_ctx.close, ["tab"])
]
}), vue.createSlots({ _: 2 }, [
_ctx.$slots.prepend ? {
name: "prepend",
fn: vue.withCtx(() => [
vue.renderSlot(_ctx.$slots, "prepend")
])
} : void 0,
_ctx.$slots.append ? {
name: "append",
fn: vue.withCtx(() => [
vue.renderSlot(_ctx.$slots, "append")
])
} : void 0,
_ctx.$slots.prefix ? {
name: "prefix",
fn: vue.withCtx(() => [
vue.renderSlot(_ctx.$slots, "prefix")
])
} : void 0,
_ctx.$slots.suffix ? {
name: "suffix",
fn: vue.withCtx(() => [
vue.renderSlot(_ctx.$slots, "suffix")
])
} : void 0
]), 1040, ["model-value", "onInput", "onChange", "onFocus", "onBlur", "onClear", "onKeydown"])
], 14, ["aria-expanded", "aria-owns"]), [
[_directive_clickoutside, _ctx.close]
])
]),
default: vue.withCtx(() => [
vue.createVNode("div", {
ref: "regionRef",
class: ["el-autocomplete-suggestion", _ctx.suggestionLoading && "is-loading"],
style: { width: _ctx.dropdownWidth, outline: "none" },
role: "region"
}, [
vue.createVNode(_component_el_scrollbar, {
tag: "ul",
"wrap-class": "el-autocomplete-suggestion__wrap",
"view-class": "el-autocomplete-suggestion__list"
}, {
default: vue.withCtx(() => [
_ctx.suggestionLoading ? (vue.openBlock(), vue.createBlock("li", _hoisted_1, [
_hoisted_2
])) : (vue.openBlock(true), vue.createBlock(vue.Fragment, { key: 1 }, vue.renderList(_ctx.suggestions, (item, index) => {
return vue.openBlock(), vue.createBlock("li", {
id: `${_ctx.id}-item-${index}`,
key: index,
class: { "highlighted": _ctx.highlightedIndex === index },
role: "option",
"aria-selected": _ctx.highlightedIndex === index,
onClick: ($event) => _ctx.select(item)
}, [
vue.renderSlot(_ctx.$slots, "default", { item }, () => [
vue.createTextVNode(vue.toDisplayString(item[_ctx.valueKey]), 1)
])
], 10, ["id", "aria-selected", "onClick"]);
}), 128))
]),
_: 3
})
], 6)
]),
_: 1
}, 8, ["visible", "placement", "popper-class", "append-to-body"]);
}
script.render = render;
script.__file = "packages/autocomplete/src/index.vue";
script.install = (app) => {
app.component(script.name, script);
};
const _Autocomplete = script;
exports.default = _Autocomplete;