80 lines
1.6 KiB
JavaScript
80 lines
1.6 KiB
JavaScript
(function(){
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if (typeof self === 'undefined' || !self.Prism || !self.document) {
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return;
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}
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if (!Prism.plugins.toolbar) {
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console.warn('Copy to Clipboard plugin loaded before Toolbar plugin.');
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return;
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}
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var Clipboard = window.Clipboard || undefined;
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if (Clipboard && /(native code)/.test(Clipboard.toString())) {
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Clipboard = undefined;
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}
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if (!Clipboard && typeof require === 'function') {
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Clipboard = require('clipboard');
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}
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var callbacks = [];
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if (!Clipboard) {
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var script = document.createElement('script');
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var head = document.querySelector('head');
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script.onload = function() {
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Clipboard = window.Clipboard;
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if (Clipboard) {
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while (callbacks.length) {
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callbacks.pop()();
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}
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}
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};
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script.src = 'https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/1.7.1/clipboard.min.js';
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head.appendChild(script);
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}
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Prism.plugins.toolbar.registerButton('copy-to-clipboard', function (env) {
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var linkCopy = document.createElement('a');
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linkCopy.textContent = 'Copy';
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if (!Clipboard) {
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callbacks.push(registerClipboard);
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} else {
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registerClipboard();
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}
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return linkCopy;
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function registerClipboard() {
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var clip = new Clipboard(linkCopy, {
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'text': function () {
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return env.code;
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}
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});
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clip.on('success', function() {
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linkCopy.textContent = 'Copied!';
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resetText();
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});
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clip.on('error', function () {
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linkCopy.textContent = 'Press Ctrl+C to copy';
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resetText();
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});
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}
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function resetText() {
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setTimeout(function () {
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linkCopy.textContent = 'Copy';
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}, 5000);
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}
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});
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})();
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