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https://github.com/Smaug123/KaTeX
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fbffdc5fc7
* Initial webpack config. Moving to ES6 modules. Some module cleanup. * WIP * WIP * Removing commented out code. * Removing old deps. * Removing the build script (used for testing). * Working tests. * Switching to node api over cli. * Updating per comments. Still need to fix server.js to properly run the selenium tests. * Cleaning up the config. * More cleanup. * Bringing back server.js for selenium tests. * Bringing back old dependencies. * Adding back eslint rules for webpack config. Final cleanup for webpack config. * Pointing to correct pre-existing module versions. Adding some extra logic to server.js to ensure it gets transpiled properly. * Getting make build to work again. Updating package.json with some shortcut scripts. * Resolving conflict. * Reverting back to commonjs modules. * Removing extra spaces in babelrc
25 lines
943 B
JavaScript
25 lines
943 B
JavaScript
import katexReplaceWithTex from './katex2tex';
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// Global copy handler to modify behavior on .katex elements.
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document.addEventListener('copy', function(event) {
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const selection = window.getSelection();
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if (selection.isCollapsed) {
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return; // default action OK if selection is empty
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}
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const fragment = selection.getRangeAt(0).cloneContents();
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if (!fragment.querySelector('.katex-mathml')) {
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return; // default action OK if no .katex-mathml elements
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}
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// Preserve usual HTML copy/paste behavior.
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const html = [];
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for (let i = 0; i < fragment.childNodes.length; i++) {
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html.push(fragment.childNodes[i].outerHTML);
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}
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event.clipboardData.setData('text/html', html.join(''));
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// Rewrite plain-text version.
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event.clipboardData.setData('text/plain',
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katexReplaceWithTex(fragment).textContent);
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// Prevent normal copy handling.
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event.preventDefault();
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});
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