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-rw-r--r--docusaurus/static/katex/contrib/copy-tex.js213
1 files changed, 213 insertions, 0 deletions
diff --git a/docusaurus/static/katex/contrib/copy-tex.js b/docusaurus/static/katex/contrib/copy-tex.js
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+(function webpackUniversalModuleDefinition(root, factory) {
+ if(typeof exports === 'object' && typeof module === 'object')
+ module.exports = factory();
+ else if(typeof define === 'function' && define.amd)
+ define([], factory);
+ else {
+ var a = factory();
+ for(var i in a) (typeof exports === 'object' ? exports : root)[i] = a[i];
+ }
+})((typeof self !== 'undefined' ? self : this), function() {
+return /******/ (function(modules) { // webpackBootstrap
+/******/ // The module cache
+/******/ var installedModules = {};
+/******/
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+/******/
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+/******/
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+/******/ __webpack_require__.m = modules;
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+/******/
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+/******/ };
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+/******/ if(mode & 1) value = __webpack_require__(value);
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+/******/ return __webpack_require__(__webpack_require__.s = 1);
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+/************************************************************************/
+/******/ ([
+/* 0 */
+/***/ (function(module, exports, __webpack_require__) {
+
+// extracted by mini-css-extract-plugin
+
+/***/ }),
+/* 1 */
+/***/ (function(module, __webpack_exports__, __webpack_require__) {
+
+"use strict";
+__webpack_require__.r(__webpack_exports__);
+
+// EXTERNAL MODULE: ./contrib/copy-tex/copy-tex.css
+var copy_tex = __webpack_require__(0);
+
+// CONCATENATED MODULE: ./contrib/copy-tex/katex2tex.js
+// Set these to how you want inline and display math to be delimited.
+var defaultCopyDelimiters = {
+ inline: ['$', '$'],
+ // alternative: ['\(', '\)']
+ display: ['$$', '$$'] // alternative: ['\[', '\]']
+
+}; // Replace .katex elements with their TeX source (<annotation> element).
+// Modifies fragment in-place. Useful for writing your own 'copy' handler,
+// as in copy-tex.js.
+
+var katexReplaceWithTex = function katexReplaceWithTex(fragment, copyDelimiters) {
+ if (copyDelimiters === void 0) {
+ copyDelimiters = defaultCopyDelimiters;
+ }
+
+ // Remove .katex-html blocks that are preceded by .katex-mathml blocks
+ // (which will get replaced below).
+ var katexHtml = fragment.querySelectorAll('.katex-mathml + .katex-html');
+
+ for (var i = 0; i < katexHtml.length; i++) {
+ var element = katexHtml[i];
+
+ if (element.remove) {
+ element.remove(null);
+ } else {
+ element.parentNode.removeChild(element);
+ }
+ } // Replace .katex-mathml elements with their annotation (TeX source)
+ // descendant, with inline delimiters.
+
+
+ var katexMathml = fragment.querySelectorAll('.katex-mathml');
+
+ for (var _i = 0; _i < katexMathml.length; _i++) {
+ var _element = katexMathml[_i];
+
+ var texSource = _element.querySelector('annotation');
+
+ if (texSource) {
+ if (_element.replaceWith) {
+ _element.replaceWith(texSource);
+ } else {
+ _element.parentNode.replaceChild(texSource, _element);
+ }
+
+ texSource.innerHTML = copyDelimiters.inline[0] + texSource.innerHTML + copyDelimiters.inline[1];
+ }
+ } // Switch display math to display delimiters.
+
+
+ var displays = fragment.querySelectorAll('.katex-display annotation');
+
+ for (var _i2 = 0; _i2 < displays.length; _i2++) {
+ var _element2 = displays[_i2];
+ _element2.innerHTML = copyDelimiters.display[0] + _element2.innerHTML.substr(copyDelimiters.inline[0].length, _element2.innerHTML.length - copyDelimiters.inline[0].length - copyDelimiters.inline[1].length) + copyDelimiters.display[1];
+ }
+
+ return fragment;
+};
+/* harmony default export */ var katex2tex = (katexReplaceWithTex);
+// CONCATENATED MODULE: ./contrib/copy-tex/copy-tex.js
+ // Global copy handler to modify behavior on .katex elements.
+
+document.addEventListener('copy', function (event) {
+ var selection = window.getSelection();
+
+ if (selection.isCollapsed) {
+ return; // default action OK if selection is empty
+ }
+
+ var fragment = selection.getRangeAt(0).cloneContents();
+
+ if (!fragment.querySelector('.katex-mathml')) {
+ return; // default action OK if no .katex-mathml elements
+ } // Preserve usual HTML copy/paste behavior.
+
+
+ var html = [];
+
+ for (var i = 0; i < fragment.childNodes.length; i++) {
+ html.push(fragment.childNodes[i].outerHTML);
+ }
+
+ event.clipboardData.setData('text/html', html.join('')); // Rewrite plain-text version.
+
+ event.clipboardData.setData('text/plain', katex2tex(fragment).textContent); // Prevent normal copy handling.
+
+ event.preventDefault();
+});
+// CONCATENATED MODULE: ./contrib/copy-tex/copy-tex.webpack.js
+/**
+ * This is the webpack entry point for KaTeX. As ECMAScript doesn't support
+ * CSS modules natively, a separate entry point is used.
+ */
+
+
+
+/***/ })
+/******/ ])["default"];
+}); \ No newline at end of file