element-plus
Version:
A Component Library for Vue 3
61 lines (59 loc) • 2.28 kB
JavaScript
import { CHANGE_EVENT, UPDATE_MODEL_EVENT } from "../../../constants/event.mjs";
import { isBoolean, isPromise } from "../../../utils/types.mjs";
import { debugWarn, throwError } from "../../../utils/error.mjs";
import { ensureArray } from "../../../utils/arrays.mjs";
import { useNamespace } from "../../../hooks/use-namespace/index.mjs";
import { collapseContextKey } from "./constants.mjs";
import { computed, provide, ref, watch } from "vue";
//#region ../../packages/components/collapse/src/use-collapse.ts
const SCOPE = "ElCollapse";
const useCollapse = (props, emit) => {
const activeNames = ref(ensureArray(props.modelValue));
const setActiveNames = (_activeNames) => {
activeNames.value = _activeNames;
const value = props.accordion ? activeNames.value[0] : activeNames.value;
emit(UPDATE_MODEL_EVENT, value);
emit(CHANGE_EVENT, value);
};
const handleChange = (name) => {
if (props.accordion) setActiveNames([activeNames.value[0] === name ? "" : name]);
else {
const _activeNames = [...activeNames.value];
const index = _activeNames.indexOf(name);
if (index > -1) _activeNames.splice(index, 1);
else _activeNames.push(name);
setActiveNames(_activeNames);
}
};
const handleItemClick = async (name) => {
const { beforeCollapse } = props;
if (!beforeCollapse) {
handleChange(name);
return;
}
const shouldChange = beforeCollapse(name);
if (![isPromise(shouldChange), isBoolean(shouldChange)].includes(true)) throwError(SCOPE, "beforeCollapse must return type `Promise<boolean>` or `boolean`");
if (isPromise(shouldChange)) shouldChange.then((result) => {
if (result !== false) handleChange(name);
}).catch((e) => {
debugWarn(SCOPE, `some error occurred: ${e}`);
});
else if (shouldChange) handleChange(name);
};
watch(() => props.modelValue, () => activeNames.value = ensureArray(props.modelValue), { deep: true });
provide(collapseContextKey, {
activeNames,
handleItemClick
});
return {
activeNames,
setActiveNames
};
};
const useCollapseDOM = (props) => {
const ns = useNamespace("collapse");
return { rootKls: computed(() => [ns.b(), ns.b(`icon-position-${props.expandIconPosition}`)]) };
};
//#endregion
export { useCollapse, useCollapseDOM };
//# sourceMappingURL=use-collapse.mjs.map