40 lines
1.8 KiB
Plaintext
40 lines
1.8 KiB
Plaintext
/*---------------------------------------------------------------------------------------------
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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(function (factory) {
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if (typeof module === "object" && typeof module.exports === "object") {
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var v = factory(require, exports);
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if (v !== undefined) module.exports = v;
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}
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else if (typeof define === "function" && define.amd) {
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define(["require", "exports"], factory);
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}
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})(function (require, exports) {
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.findMatchingTagPosition = void 0;
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function findMatchingTagPosition(document, position, htmlDocument) {
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const offset = document.offsetAt(position);
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const node = htmlDocument.findNodeAt(offset);
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if (!node.tag) {
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return null;
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}
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if (!node.endTagStart) {
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return null;
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}
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// Within open tag, compute close tag
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if (node.start + '<'.length <= offset && offset <= node.start + '<'.length + node.tag.length) {
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const mirrorOffset = (offset - '<'.length - node.start) + node.endTagStart + '</'.length;
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return document.positionAt(mirrorOffset);
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}
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// Within closing tag, compute open tag
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if (node.endTagStart + '</'.length <= offset && offset <= node.endTagStart + '</'.length + node.tag.length) {
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const mirrorOffset = (offset - '</'.length - node.endTagStart) + node.start + '<'.length;
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return document.positionAt(mirrorOffset);
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}
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return null;
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}
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exports.findMatchingTagPosition = findMatchingTagPosition;
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});
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