clipboard.js 25 KB

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  1. /*!
  2. * clipboard.js v1.6.1
  3. * https://zenorocha.github.io/clipboard.js
  4. *
  5. * Licensed MIT © Zeno Rocha
  6. */
  7. (function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.Clipboard = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
  8. var DOCUMENT_NODE_TYPE = 9;
  9. /**
  10. * A polyfill for Element.matches()
  11. */
  12. if (typeof Element !== 'undefined' && !Element.prototype.matches) {
  13. var proto = Element.prototype;
  14. proto.matches = proto.matchesSelector ||
  15. proto.mozMatchesSelector ||
  16. proto.msMatchesSelector ||
  17. proto.oMatchesSelector ||
  18. proto.webkitMatchesSelector;
  19. }
  20. /**
  21. * Finds the closest parent that matches a selector.
  22. *
  23. * @param {Element} element
  24. * @param {String} selector
  25. * @return {Function}
  26. */
  27. function closest (element, selector) {
  28. while (element && element.nodeType !== DOCUMENT_NODE_TYPE) {
  29. if (element.matches(selector)) return element;
  30. element = element.parentNode;
  31. }
  32. }
  33. module.exports = closest;
  34. },{}],2:[function(require,module,exports){
  35. var closest = require('./closest');
  36. /**
  37. * Delegates event to a selector.
  38. *
  39. * @param {Element} element
  40. * @param {String} selector
  41. * @param {String} type
  42. * @param {Function} callback
  43. * @param {Boolean} useCapture
  44. * @return {Object}
  45. */
  46. function delegate(element, selector, type, callback, useCapture) {
  47. var listenerFn = listener.apply(this, arguments);
  48. element.addEventListener(type, listenerFn, useCapture);
  49. return {
  50. destroy: function() {
  51. element.removeEventListener(type, listenerFn, useCapture);
  52. }
  53. }
  54. }
  55. /**
  56. * Finds closest match and invokes callback.
  57. *
  58. * @param {Element} element
  59. * @param {String} selector
  60. * @param {String} type
  61. * @param {Function} callback
  62. * @return {Function}
  63. */
  64. function listener(element, selector, type, callback) {
  65. return function(e) {
  66. e.delegateTarget = closest(e.target, selector);
  67. if (e.delegateTarget) {
  68. callback.call(element, e);
  69. }
  70. }
  71. }
  72. module.exports = delegate;
  73. },{"./closest":1}],3:[function(require,module,exports){
  74. /**
  75. * Check if argument is a HTML element.
  76. *
  77. * @param {Object} value
  78. * @return {Boolean}
  79. */
  80. exports.node = function(value) {
  81. return value !== undefined
  82. && value instanceof HTMLElement
  83. && value.nodeType === 1;
  84. };
  85. /**
  86. * Check if argument is a list of HTML elements.
  87. *
  88. * @param {Object} value
  89. * @return {Boolean}
  90. */
  91. exports.nodeList = function(value) {
  92. var type = Object.prototype.toString.call(value);
  93. return value !== undefined
  94. && (type === '[object NodeList]' || type === '[object HTMLCollection]')
  95. && ('length' in value)
  96. && (value.length === 0 || exports.node(value[0]));
  97. };
  98. /**
  99. * Check if argument is a string.
  100. *
  101. * @param {Object} value
  102. * @return {Boolean}
  103. */
  104. exports.string = function(value) {
  105. return typeof value === 'string'
  106. || value instanceof String;
  107. };
  108. /**
  109. * Check if argument is a function.
  110. *
  111. * @param {Object} value
  112. * @return {Boolean}
  113. */
  114. exports.fn = function(value) {
  115. var type = Object.prototype.toString.call(value);
  116. return type === '[object Function]';
  117. };
  118. },{}],4:[function(require,module,exports){
  119. var is = require('./is');
  120. var delegate = require('delegate');
  121. /**
  122. * Validates all params and calls the right
  123. * listener function based on its target type.
  124. *
  125. * @param {String|HTMLElement|HTMLCollection|NodeList} target
  126. * @param {String} type
  127. * @param {Function} callback
  128. * @return {Object}
  129. */
  130. function listen(target, type, callback) {
  131. if (!target && !type && !callback) {
  132. throw new Error('Missing required arguments');
  133. }
  134. if (!is.string(type)) {
  135. throw new TypeError('Second argument must be a String');
  136. }
  137. if (!is.fn(callback)) {
  138. throw new TypeError('Third argument must be a Function');
  139. }
  140. if (is.node(target)) {
  141. return listenNode(target, type, callback);
  142. }
  143. else if (is.nodeList(target)) {
  144. return listenNodeList(target, type, callback);
  145. }
  146. else if (is.string(target)) {
  147. return listenSelector(target, type, callback);
  148. }
  149. else {
  150. throw new TypeError('First argument must be a String, HTMLElement, HTMLCollection, or NodeList');
  151. }
  152. }
  153. /**
  154. * Adds an event listener to a HTML element
  155. * and returns a remove listener function.
  156. *
  157. * @param {HTMLElement} node
  158. * @param {String} type
  159. * @param {Function} callback
  160. * @return {Object}
  161. */
  162. function listenNode(node, type, callback) {
  163. node.addEventListener(type, callback);
  164. return {
  165. destroy: function() {
  166. node.removeEventListener(type, callback);
  167. }
  168. }
  169. }
  170. /**
  171. * Add an event listener to a list of HTML elements
  172. * and returns a remove listener function.
  173. *
  174. * @param {NodeList|HTMLCollection} nodeList
  175. * @param {String} type
  176. * @param {Function} callback
  177. * @return {Object}
  178. */
  179. function listenNodeList(nodeList, type, callback) {
  180. Array.prototype.forEach.call(nodeList, function(node) {
  181. node.addEventListener(type, callback);
  182. });
  183. return {
  184. destroy: function() {
  185. Array.prototype.forEach.call(nodeList, function(node) {
  186. node.removeEventListener(type, callback);
  187. });
  188. }
  189. }
  190. }
  191. /**
  192. * Add an event listener to a selector
  193. * and returns a remove listener function.
  194. *
  195. * @param {String} selector
  196. * @param {String} type
  197. * @param {Function} callback
  198. * @return {Object}
  199. */
  200. function listenSelector(selector, type, callback) {
  201. return delegate(document.body, selector, type, callback);
  202. }
  203. module.exports = listen;
  204. },{"./is":3,"delegate":2}],5:[function(require,module,exports){
  205. function select(element) {
  206. var selectedText;
  207. if (element.nodeName === 'SELECT') {
  208. element.focus();
  209. selectedText = element.value;
  210. }
  211. else if (element.nodeName === 'INPUT' || element.nodeName === 'TEXTAREA') {
  212. var isReadOnly = element.hasAttribute('readonly');
  213. if (!isReadOnly) {
  214. element.setAttribute('readonly', '');
  215. }
  216. element.select();
  217. element.setSelectionRange(0, element.value.length);
  218. if (!isReadOnly) {
  219. element.removeAttribute('readonly');
  220. }
  221. selectedText = element.value;
  222. }
  223. else {
  224. if (element.hasAttribute('contenteditable')) {
  225. element.focus();
  226. }
  227. var selection = window.getSelection();
  228. var range = document.createRange();
  229. range.selectNodeContents(element);
  230. selection.removeAllRanges();
  231. selection.addRange(range);
  232. selectedText = selection.toString();
  233. }
  234. return selectedText;
  235. }
  236. module.exports = select;
  237. },{}],6:[function(require,module,exports){
  238. function E () {
  239. // Keep this empty so it's easier to inherit from
  240. // (via https://github.com/lipsmack from https://github.com/scottcorgan/tiny-emitter/issues/3)
  241. }
  242. E.prototype = {
  243. on: function (name, callback, ctx) {
  244. var e = this.e || (this.e = {});
  245. (e[name] || (e[name] = [])).push({
  246. fn: callback,
  247. ctx: ctx
  248. });
  249. return this;
  250. },
  251. once: function (name, callback, ctx) {
  252. var self = this;
  253. function listener () {
  254. self.off(name, listener);
  255. callback.apply(ctx, arguments);
  256. };
  257. listener._ = callback
  258. return this.on(name, listener, ctx);
  259. },
  260. emit: function (name) {
  261. var data = [].slice.call(arguments, 1);
  262. var evtArr = ((this.e || (this.e = {}))[name] || []).slice();
  263. var i = 0;
  264. var len = evtArr.length;
  265. for (i; i < len; i++) {
  266. evtArr[i].fn.apply(evtArr[i].ctx, data);
  267. }
  268. return this;
  269. },
  270. off: function (name, callback) {
  271. var e = this.e || (this.e = {});
  272. var evts = e[name];
  273. var liveEvents = [];
  274. if (evts && callback) {
  275. for (var i = 0, len = evts.length; i < len; i++) {
  276. if (evts[i].fn !== callback && evts[i].fn._ !== callback)
  277. liveEvents.push(evts[i]);
  278. }
  279. }
  280. // Remove event from queue to prevent memory leak
  281. // Suggested by https://github.com/lazd
  282. // Ref: https://github.com/scottcorgan/tiny-emitter/commit/c6ebfaa9bc973b33d110a84a307742b7cf94c953#commitcomment-5024910
  283. (liveEvents.length)
  284. ? e[name] = liveEvents
  285. : delete e[name];
  286. return this;
  287. }
  288. };
  289. module.exports = E;
  290. },{}],7:[function(require,module,exports){
  291. (function (global, factory) {
  292. if (typeof define === "function" && define.amd) {
  293. define(['module', 'select'], factory);
  294. } else if (typeof exports !== "undefined") {
  295. factory(module, require('select'));
  296. } else {
  297. var mod = {
  298. exports: {}
  299. };
  300. factory(mod, global.select);
  301. global.clipboardAction = mod.exports;
  302. }
  303. })(this, function (module, _select) {
  304. 'use strict';
  305. var _select2 = _interopRequireDefault(_select);
  306. function _interopRequireDefault(obj) {
  307. return obj && obj.__esModule ? obj : {
  308. default: obj
  309. };
  310. }
  311. var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
  312. return typeof obj;
  313. } : function (obj) {
  314. return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
  315. };
  316. function _classCallCheck(instance, Constructor) {
  317. if (!(instance instanceof Constructor)) {
  318. throw new TypeError("Cannot call a class as a function");
  319. }
  320. }
  321. var _createClass = function () {
  322. function defineProperties(target, props) {
  323. for (var i = 0; i < props.length; i++) {
  324. var descriptor = props[i];
  325. descriptor.enumerable = descriptor.enumerable || false;
  326. descriptor.configurable = true;
  327. if ("value" in descriptor) descriptor.writable = true;
  328. Object.defineProperty(target, descriptor.key, descriptor);
  329. }
  330. }
  331. return function (Constructor, protoProps, staticProps) {
  332. if (protoProps) defineProperties(Constructor.prototype, protoProps);
  333. if (staticProps) defineProperties(Constructor, staticProps);
  334. return Constructor;
  335. };
  336. }();
  337. var ClipboardAction = function () {
  338. /**
  339. * @param {Object} options
  340. */
  341. function ClipboardAction(options) {
  342. _classCallCheck(this, ClipboardAction);
  343. this.resolveOptions(options);
  344. this.initSelection();
  345. }
  346. /**
  347. * Defines base properties passed from constructor.
  348. * @param {Object} options
  349. */
  350. _createClass(ClipboardAction, [{
  351. key: 'resolveOptions',
  352. value: function resolveOptions() {
  353. var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
  354. this.action = options.action;
  355. this.emitter = options.emitter;
  356. this.target = options.target;
  357. this.text = options.text;
  358. this.trigger = options.trigger;
  359. this.selectedText = '';
  360. }
  361. }, {
  362. key: 'initSelection',
  363. value: function initSelection() {
  364. if (this.text) {
  365. this.selectFake();
  366. } else if (this.target) {
  367. this.selectTarget();
  368. }
  369. }
  370. }, {
  371. key: 'selectFake',
  372. value: function selectFake() {
  373. var _this = this;
  374. var isRTL = document.documentElement.getAttribute('dir') == 'rtl';
  375. this.removeFake();
  376. this.fakeHandlerCallback = function () {
  377. return _this.removeFake();
  378. };
  379. this.fakeHandler = document.body.addEventListener('click', this.fakeHandlerCallback) || true;
  380. this.fakeElem = document.createElement('textarea');
  381. // Prevent zooming on iOS
  382. this.fakeElem.style.fontSize = '12pt';
  383. // Reset box model
  384. this.fakeElem.style.border = '0';
  385. this.fakeElem.style.padding = '0';
  386. this.fakeElem.style.margin = '0';
  387. // Move element out of screen horizontally
  388. this.fakeElem.style.position = 'absolute';
  389. this.fakeElem.style[isRTL ? 'right' : 'left'] = '-9999px';
  390. // Move element to the same position vertically
  391. var yPosition = window.pageYOffset || document.documentElement.scrollTop;
  392. this.fakeElem.style.top = yPosition + 'px';
  393. this.fakeElem.setAttribute('readonly', '');
  394. this.fakeElem.value = this.text;
  395. document.body.appendChild(this.fakeElem);
  396. this.selectedText = (0, _select2.default)(this.fakeElem);
  397. this.copyText();
  398. }
  399. }, {
  400. key: 'removeFake',
  401. value: function removeFake() {
  402. if (this.fakeHandler) {
  403. document.body.removeEventListener('click', this.fakeHandlerCallback);
  404. this.fakeHandler = null;
  405. this.fakeHandlerCallback = null;
  406. }
  407. if (this.fakeElem) {
  408. document.body.removeChild(this.fakeElem);
  409. this.fakeElem = null;
  410. }
  411. }
  412. }, {
  413. key: 'selectTarget',
  414. value: function selectTarget() {
  415. this.selectedText = (0, _select2.default)(this.target);
  416. this.copyText();
  417. }
  418. }, {
  419. key: 'copyText',
  420. value: function copyText() {
  421. var succeeded = void 0;
  422. try {
  423. succeeded = document.execCommand(this.action);
  424. } catch (err) {
  425. succeeded = false;
  426. }
  427. this.handleResult(succeeded);
  428. }
  429. }, {
  430. key: 'handleResult',
  431. value: function handleResult(succeeded) {
  432. this.emitter.emit(succeeded ? 'success' : 'error', {
  433. action: this.action,
  434. text: this.selectedText,
  435. trigger: this.trigger,
  436. clearSelection: this.clearSelection.bind(this)
  437. });
  438. }
  439. }, {
  440. key: 'clearSelection',
  441. value: function clearSelection() {
  442. if (this.target) {
  443. this.target.blur();
  444. }
  445. window.getSelection().removeAllRanges();
  446. }
  447. }, {
  448. key: 'destroy',
  449. value: function destroy() {
  450. this.removeFake();
  451. }
  452. }, {
  453. key: 'action',
  454. set: function set() {
  455. var action = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 'copy';
  456. this._action = action;
  457. if (this._action !== 'copy' && this._action !== 'cut') {
  458. throw new Error('Invalid "action" value, use either "copy" or "cut"');
  459. }
  460. },
  461. get: function get() {
  462. return this._action;
  463. }
  464. }, {
  465. key: 'target',
  466. set: function set(target) {
  467. if (target !== undefined) {
  468. //console.log("target:" + target.nodeType);
  469. if (target && (typeof target === 'undefined' ? 'undefined' : _typeof(target)) === 'object' && target.nodeType === 1) {
  470. if (this.action === 'copy' && target.hasAttribute('disabled')) {
  471. throw new Error('Invalid "target" attribute. Please use "readonly" instead of "disabled" attribute');
  472. }
  473. if (this.action === 'cut' && (target.hasAttribute('readonly') || target.hasAttribute('disabled'))) {
  474. throw new Error('Invalid "target" attribute. You can\'t cut text from elements with "readonly" or "disabled" attributes');
  475. }
  476. this._target = target;
  477. } else {
  478. throw new Error('Invalid "target" value, use a valid Element');
  479. }
  480. }
  481. },
  482. get: function get() {
  483. return this._target;
  484. }
  485. }]);
  486. return ClipboardAction;
  487. }();
  488. module.exports = ClipboardAction;
  489. });
  490. },{"select":5}],8:[function(require,module,exports){
  491. (function (global, factory) {
  492. if (typeof define === "function" && define.amd) {
  493. define(['module', './clipboard-action', 'tiny-emitter', 'good-listener'], factory);
  494. } else if (typeof exports !== "undefined") {
  495. factory(module, require('./clipboard-action'), require('tiny-emitter'), require('good-listener'));
  496. } else {
  497. var mod = {
  498. exports: {}
  499. };
  500. factory(mod, global.clipboardAction, global.tinyEmitter, global.goodListener);
  501. global.clipboard = mod.exports;
  502. }
  503. })(this, function (module, _clipboardAction, _tinyEmitter, _goodListener) {
  504. 'use strict';
  505. var _clipboardAction2 = _interopRequireDefault(_clipboardAction);
  506. var _tinyEmitter2 = _interopRequireDefault(_tinyEmitter);
  507. var _goodListener2 = _interopRequireDefault(_goodListener);
  508. function _interopRequireDefault(obj) {
  509. return obj && obj.__esModule ? obj : {
  510. default: obj
  511. };
  512. }
  513. function _classCallCheck(instance, Constructor) {
  514. if (!(instance instanceof Constructor)) {
  515. throw new TypeError("Cannot call a class as a function");
  516. }
  517. }
  518. var _createClass = function () {
  519. function defineProperties(target, props) {
  520. for (var i = 0; i < props.length; i++) {
  521. var descriptor = props[i];
  522. descriptor.enumerable = descriptor.enumerable || false;
  523. descriptor.configurable = true;
  524. if ("value" in descriptor) descriptor.writable = true;
  525. Object.defineProperty(target, descriptor.key, descriptor);
  526. }
  527. }
  528. return function (Constructor, protoProps, staticProps) {
  529. if (protoProps) defineProperties(Constructor.prototype, protoProps);
  530. if (staticProps) defineProperties(Constructor, staticProps);
  531. return Constructor;
  532. };
  533. }();
  534. function _possibleConstructorReturn(self, call) {
  535. if (!self) {
  536. throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
  537. }
  538. return call && (typeof call === "object" || typeof call === "function") ? call : self;
  539. }
  540. function _inherits(subClass, superClass) {
  541. if (typeof superClass !== "function" && superClass !== null) {
  542. throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
  543. }
  544. subClass.prototype = Object.create(superClass && superClass.prototype, {
  545. constructor: {
  546. value: subClass,
  547. enumerable: false,
  548. writable: true,
  549. configurable: true
  550. }
  551. });
  552. if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
  553. }
  554. var Clipboard = function (_Emitter) {
  555. _inherits(Clipboard, _Emitter);
  556. /**
  557. * @param {String|HTMLElement|HTMLCollection|NodeList} trigger
  558. * @param {Object} options
  559. */
  560. function Clipboard(trigger, options) {
  561. _classCallCheck(this, Clipboard);
  562. var _this = _possibleConstructorReturn(this, (Clipboard.__proto__ || Object.getPrototypeOf(Clipboard)).call(this));
  563. _this.resolveOptions(options);
  564. _this.listenClick(trigger);
  565. return _this;
  566. }
  567. /**
  568. * Defines if attributes would be resolved using internal setter functions
  569. * or custom functions that were passed in the constructor.
  570. * @param {Object} options
  571. */
  572. _createClass(Clipboard, [{
  573. key: 'resolveOptions',
  574. value: function resolveOptions() {
  575. var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
  576. this.action = typeof options.action === 'function' ? options.action : this.defaultAction;
  577. this.target = typeof options.target === 'function' ? options.target : this.defaultTarget;
  578. this.text = typeof options.text === 'function' ? options.text : this.defaultText;
  579. }
  580. }, {
  581. key: 'listenClick',
  582. value: function listenClick(trigger) {
  583. var _this2 = this;
  584. this.listener = (0, _goodListener2.default)(trigger, 'click', function (e) {
  585. return _this2.onClick(e);
  586. });
  587. }
  588. }, {
  589. key: 'onClick',
  590. value: function onClick(e) {
  591. var trigger = e.delegateTarget || e.currentTarget;
  592. if (this.clipboardAction) {
  593. this.clipboardAction = null;
  594. }
  595. this.clipboardAction = new _clipboardAction2.default({
  596. action: this.action(trigger),
  597. target: this.target(trigger),
  598. text: this.text(trigger),
  599. trigger: trigger,
  600. emitter: this
  601. });
  602. }
  603. }, {
  604. key: 'defaultAction',
  605. value: function defaultAction(trigger) {
  606. return getAttributeValue('action', trigger);
  607. }
  608. }, {
  609. key: 'defaultTarget',
  610. value: function defaultTarget(trigger) {
  611. var selector = getAttributeValue('target', trigger);
  612. if (selector) {
  613. return document.querySelector(selector);
  614. }
  615. }
  616. }, {
  617. key: 'defaultText',
  618. value: function defaultText(trigger) {
  619. return getAttributeValue('text', trigger);
  620. }
  621. }, {
  622. key: 'destroy',
  623. value: function destroy() {
  624. this.listener.destroy();
  625. if (this.clipboardAction) {
  626. this.clipboardAction.destroy();
  627. this.clipboardAction = null;
  628. }
  629. }
  630. }], [{
  631. key: 'isSupported',
  632. value: function isSupported() {
  633. var action = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : ['copy', 'cut'];
  634. var actions = typeof action === 'string' ? [action] : action;
  635. var support = !!document.queryCommandSupported;
  636. actions.forEach(function (action) {
  637. support = support && !!document.queryCommandSupported(action);
  638. });
  639. return support;
  640. }
  641. }]);
  642. return Clipboard;
  643. }(_tinyEmitter2.default);
  644. /**
  645. * Helper function to retrieve attribute value.
  646. * @param {String} suffix
  647. * @param {Element} element
  648. */
  649. function getAttributeValue(suffix, element) {
  650. var attribute = 'data-clipboard-' + suffix;
  651. if (!element.hasAttribute(attribute)) {
  652. return;
  653. }
  654. return element.getAttribute(attribute);
  655. }
  656. module.exports = Clipboard;
  657. });
  658. },{"./clipboard-action":7,"good-listener":4,"tiny-emitter":6}]},{},[8])(8)
  659. });