33 lines
1.3 KiB
JavaScript
33 lines
1.3 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.title = void 0;
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const x6_common_1 = require("@antv/x6-common");
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exports.title = {
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qualify(title, { elem }) {
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// HTMLElement title is specified via an attribute (i.e. not an element)
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return elem instanceof SVGElement;
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},
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set(val, { elem }) {
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const cacheName = 'x6-title';
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const title = `${val}`;
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const cache = x6_common_1.Dom.data(elem, cacheName);
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if (cache == null || cache !== title) {
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x6_common_1.Dom.data(elem, cacheName, title);
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// Generally SVGTitleElement should be the first child
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// element of its parent.
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const firstChild = elem.firstChild;
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if (firstChild && firstChild.tagName.toUpperCase() === 'TITLE') {
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// Update an existing title
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const titleElem = firstChild;
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titleElem.textContent = title;
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}
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else {
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// Create a new title
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const titleNode = document.createElementNS(elem.namespaceURI, 'title');
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titleNode.textContent = title;
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elem.insertBefore(titleNode, firstChild);
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}
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}
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},
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};
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//# sourceMappingURL=title.js.map
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