58 lines
1.8 KiB
JavaScript
58 lines
1.8 KiB
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.getFirstVNode = exports.flatten = exports.getSlot = void 0;
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const vue_1 = require("vue");
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function getSlot(scope, slots, slotName = 'default') {
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const slot = slots[slotName];
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if (slot === undefined) {
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throw new Error(`[vueuc/${scope}]: slot[${slotName}] is empty.`);
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}
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return slot();
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}
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exports.getSlot = getSlot;
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// o(n) flatten
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function flatten(vNodes, filterCommentNode = true, result = []) {
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vNodes.forEach((vNode) => {
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if (vNode === null)
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return;
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if (typeof vNode !== 'object') {
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if (typeof vNode === 'string' || typeof vNode === 'number') {
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result.push((0, vue_1.createTextVNode)(String(vNode)));
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}
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return;
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}
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if (Array.isArray(vNode)) {
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flatten(vNode, filterCommentNode, result);
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return;
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}
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if (vNode.type === vue_1.Fragment) {
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if (vNode.children === null)
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return;
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if (Array.isArray(vNode.children)) {
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flatten(vNode.children, filterCommentNode, result);
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}
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// rawSlot
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}
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else if (vNode.type !== vue_1.Comment) {
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result.push(vNode);
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}
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});
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return result;
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}
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exports.flatten = flatten;
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function getFirstVNode(scope, slots, slotName = 'default') {
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const slot = slots[slotName];
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if (slot === undefined) {
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throw new Error(`[vueuc/${scope}]: slot[${slotName}] is empty.`);
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}
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const content = flatten(slot());
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// vue will normalize the slot, so slot must be an array
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if (content.length === 1) {
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return content[0];
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}
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else {
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throw new Error(`[vueuc/${scope}]: slot[${slotName}] should have exactly one child.`);
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}
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}
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exports.getFirstVNode = getFirstVNode;
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