mirror of
https://github.com/github/choosealicense.com
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587 lines
17 KiB
JavaScript
587 lines
17 KiB
JavaScript
/*!
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* clipboard.js v1.4.3
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* https://zenorocha.github.io/clipboard.js
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*
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* Licensed MIT © Zeno Rocha
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*/
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(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){
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var matches = require('matches-selector')
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module.exports = function (element, selector, checkYoSelf) {
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var parent = checkYoSelf ? element : element.parentNode
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while (parent && parent !== document) {
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if (matches(parent, selector)) return parent;
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parent = parent.parentNode
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}
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}
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},{"matches-selector":2}],2:[function(require,module,exports){
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/**
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* Element prototype.
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*/
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var proto = Element.prototype;
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/**
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* Vendor function.
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*/
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var vendor = proto.matchesSelector
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|| proto.webkitMatchesSelector
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|| proto.mozMatchesSelector
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|| proto.msMatchesSelector
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|| proto.oMatchesSelector;
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/**
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* Expose `match()`.
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*/
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module.exports = match;
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/**
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* Match `el` to `selector`.
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*
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* @param {Element} el
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* @param {String} selector
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* @return {Boolean}
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* @api public
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*/
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function match(el, selector) {
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if (vendor) return vendor.call(el, selector);
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var nodes = el.parentNode.querySelectorAll(selector);
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for (var i = 0; i < nodes.length; ++i) {
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if (nodes[i] == el) return true;
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}
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return false;
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}
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},{}],3:[function(require,module,exports){
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var closest = require('closest');
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/**
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* Delegate event `type` to `selector`
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* and invoke `fn(e)`. A callback function
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* is returned which may be passed to `.unbind()`.
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*
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* @param {Element} el
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* @param {String} selector
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* @param {String} type
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* @param {Function} fn
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* @param {Boolean} capture
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* @return {Function}
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*/
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exports.bind = function(el, selector, type, fn, capture){
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return el.addEventListener(type, function(e){
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var target = e.target || e.srcElement;
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e.delegateTarget = closest(target, selector, true, el);
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if (e.delegateTarget) fn.call(el, e);
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}, capture);
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};
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/**
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* Unbind event `type`'s callback `fn`.
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*
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* @param {Element} el
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* @param {String} type
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* @param {Function} fn
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* @param {Boolean} capture
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*/
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exports.unbind = function(el, type, fn, capture){
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el.removeEventListener(type, fn, capture);
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};
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},{"closest":1}],4:[function(require,module,exports){
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function select(element) {
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var selection = window.getSelection();
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if (element.nodeName === 'INPUT' || element.nodeName === 'TEXTAREA') {
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element.selectionStart = 0;
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element.selectionEnd = element.value.length;
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}
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else {
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var range = document.createRange();
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range.selectNodeContents(element);
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selection.removeAllRanges();
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selection.addRange(range);
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}
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return selection.toString();
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}
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module.exports = select;
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},{}],5:[function(require,module,exports){
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function E () {
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// Keep this empty so it's easier to inherit from
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// (via https://github.com/lipsmack from https://github.com/scottcorgan/tiny-emitter/issues/3)
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}
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E.prototype = {
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on: function (name, callback, ctx) {
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var e = this.e || (this.e = {});
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(e[name] || (e[name] = [])).push({
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fn: callback,
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ctx: ctx
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});
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return this;
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},
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once: function (name, callback, ctx) {
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var self = this;
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function listener () {
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self.off(name, listener);
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callback.apply(ctx, arguments);
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};
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listener._ = callback
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return this.on(name, listener, ctx);
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},
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emit: function (name) {
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var data = [].slice.call(arguments, 1);
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var evtArr = ((this.e || (this.e = {}))[name] || []).slice();
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var i = 0;
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var len = evtArr.length;
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for (i; i < len; i++) {
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evtArr[i].fn.apply(evtArr[i].ctx, data);
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}
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return this;
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},
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off: function (name, callback) {
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var e = this.e || (this.e = {});
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var evts = e[name];
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var liveEvents = [];
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if (evts && callback) {
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for (var i = 0, len = evts.length; i < len; i++) {
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if (evts[i].fn !== callback && evts[i].fn._ !== callback)
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liveEvents.push(evts[i]);
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}
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}
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// Remove event from queue to prevent memory leak
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// Suggested by https://github.com/lazd
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// Ref: https://github.com/scottcorgan/tiny-emitter/commit/c6ebfaa9bc973b33d110a84a307742b7cf94c953#commitcomment-5024910
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(liveEvents.length)
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? e[name] = liveEvents
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: delete e[name];
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return this;
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}
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};
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module.exports = E;
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},{}],6:[function(require,module,exports){
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'use strict';
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exports.__esModule = true;
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var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
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function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } }
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var _select = require('select');
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var _select2 = _interopRequireDefault(_select);
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/**
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* Inner class which performs selection from either `text` or `target`
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* properties and then executes copy or cut operations.
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*/
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var ClipboardAction = (function () {
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/**
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* @param {Object} options
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*/
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function ClipboardAction(options) {
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_classCallCheck(this, ClipboardAction);
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this.resolveOptions(options);
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this.initSelection();
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}
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/**
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* Defines base properties passed from constructor.
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* @param {Object} options
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*/
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ClipboardAction.prototype.resolveOptions = function resolveOptions() {
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var options = arguments.length <= 0 || arguments[0] === undefined ? {} : arguments[0];
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this.action = options.action;
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this.emitter = options.emitter;
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this.target = options.target;
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this.text = options.text;
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this.trigger = options.trigger;
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this.selectedText = '';
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};
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/**
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* Decides which selection strategy is going to be applied based
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* on the existence of `text` and `target` properties.
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*/
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ClipboardAction.prototype.initSelection = function initSelection() {
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if (this.text && this.target) {
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throw new Error('Multiple attributes declared, use either "target" or "text"');
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} else if (this.text) {
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this.selectFake();
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} else if (this.target) {
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this.selectTarget();
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} else {
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throw new Error('Missing required attributes, use either "target" or "text"');
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}
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};
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/**
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* Creates a fake textarea element, sets its value from `text` property,
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* and makes a selection on it.
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*/
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ClipboardAction.prototype.selectFake = function selectFake() {
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var _this = this;
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this.removeFake();
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this.fakeHandler = document.body.addEventListener('click', function () {
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return _this.removeFake();
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});
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this.fakeElem = document.createElement('textarea');
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this.fakeElem.style.position = 'absolute';
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this.fakeElem.style.left = '-9999px';
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this.fakeElem.style.top = (window.pageYOffset || document.documentElement.scrollTop) + 'px';
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this.fakeElem.setAttribute('readonly', '');
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this.fakeElem.value = this.text;
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document.body.appendChild(this.fakeElem);
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this.selectedText = _select2['default'](this.fakeElem);
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this.copyText();
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};
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/**
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* Only removes the fake element after another click event, that way
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* a user can hit `Ctrl+C` to copy because selection still exists.
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*/
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ClipboardAction.prototype.removeFake = function removeFake() {
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if (this.fakeHandler) {
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document.body.removeEventListener('click');
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this.fakeHandler = null;
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}
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if (this.fakeElem) {
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document.body.removeChild(this.fakeElem);
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this.fakeElem = null;
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}
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};
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/**
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* Selects the content from element passed on `target` property.
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*/
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ClipboardAction.prototype.selectTarget = function selectTarget() {
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this.selectedText = _select2['default'](this.target);
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this.copyText();
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};
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/**
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* Executes the copy operation based on the current selection.
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*/
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ClipboardAction.prototype.copyText = function copyText() {
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var succeeded = undefined;
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try {
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succeeded = document.execCommand(this.action);
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} catch (err) {
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succeeded = false;
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}
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this.handleResult(succeeded);
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};
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/**
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* Fires an event based on the copy operation result.
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* @param {Boolean} succeeded
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*/
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ClipboardAction.prototype.handleResult = function handleResult(succeeded) {
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if (succeeded) {
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this.emitter.emit('success', {
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action: this.action,
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text: this.selectedText,
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trigger: this.trigger,
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clearSelection: this.clearSelection.bind(this)
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});
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} else {
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this.emitter.emit('error', {
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action: this.action,
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trigger: this.trigger,
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clearSelection: this.clearSelection.bind(this)
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});
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}
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};
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/**
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* Removes current selection and focus from `target` element.
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*/
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ClipboardAction.prototype.clearSelection = function clearSelection() {
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if (this.target) {
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this.target.blur();
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}
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window.getSelection().removeAllRanges();
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};
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/**
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* Sets the `action` to be performed which can be either 'copy' or 'cut'.
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* @param {String} action
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*/
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/**
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* Destroy lifecycle.
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*/
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ClipboardAction.prototype.destroy = function destroy() {
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this.removeFake();
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};
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_createClass(ClipboardAction, [{
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key: 'action',
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set: function set() {
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var action = arguments.length <= 0 || arguments[0] === undefined ? 'copy' : arguments[0];
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this._action = action;
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if (this._action !== 'copy' && this._action !== 'cut') {
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throw new Error('Invalid "action" value, use either "copy" or "cut"');
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}
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},
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/**
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* Gets the `action` property.
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* @return {String}
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*/
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get: function get() {
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return this._action;
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}
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/**
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* Sets the `target` property using an element
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* that will be have its content copied.
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* @param {Element} target
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*/
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}, {
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key: 'target',
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set: function set(target) {
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if (target !== undefined) {
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if (target && typeof target === 'object' && target.nodeType === 1) {
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this._target = target;
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} else {
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throw new Error('Invalid "target" value, use a valid Element');
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}
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}
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},
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/**
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* Gets the `target` property.
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* @return {String|HTMLElement}
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*/
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get: function get() {
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return this._target;
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}
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}]);
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return ClipboardAction;
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})();
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exports['default'] = ClipboardAction;
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module.exports = exports['default'];
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},{"select":4}],7:[function(require,module,exports){
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'use strict';
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exports.__esModule = true;
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
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function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } }
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function _inherits(subClass, superClass) { if (typeof superClass !== 'function' && superClass !== null) { throw new TypeError('Super expression must either be null or a function, not ' + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
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var _clipboardAction = require('./clipboard-action');
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var _clipboardAction2 = _interopRequireDefault(_clipboardAction);
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var _delegate = require('delegate');
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var _delegate2 = _interopRequireDefault(_delegate);
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var _tinyEmitter = require('tiny-emitter');
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var _tinyEmitter2 = _interopRequireDefault(_tinyEmitter);
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/**
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* Base class which takes a selector, delegates a click event to it,
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* and instantiates a new `ClipboardAction` on each click.
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*/
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var Clipboard = (function (_Emitter) {
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_inherits(Clipboard, _Emitter);
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/**
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* @param {String} selector
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* @param {Object} options
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*/
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function Clipboard(selector, options) {
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_classCallCheck(this, Clipboard);
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_Emitter.call(this);
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this.resolveOptions(options);
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this.delegateClick(selector);
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}
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/**
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* Helper function to retrieve attribute value.
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* @param {String} suffix
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* @param {Element} element
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*/
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/**
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* Defines if attributes would be resolved using internal setter functions
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* or custom functions that were passed in the constructor.
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* @param {Object} options
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*/
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Clipboard.prototype.resolveOptions = function resolveOptions() {
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var options = arguments.length <= 0 || arguments[0] === undefined ? {} : arguments[0];
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this.action = typeof options.action === 'function' ? options.action : this.defaultAction;
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this.target = typeof options.target === 'function' ? options.target : this.defaultTarget;
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this.text = typeof options.text === 'function' ? options.text : this.defaultText;
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};
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/**
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* Delegates a click event on the passed selector.
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* @param {String} selector
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*/
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Clipboard.prototype.delegateClick = function delegateClick(selector) {
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var _this = this;
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this.binding = _delegate2['default'].bind(document.body, selector, 'click', function (e) {
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return _this.onClick(e);
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});
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};
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/**
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* Undelegates a click event on body.
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* @param {String} selector
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*/
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Clipboard.prototype.undelegateClick = function undelegateClick() {
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_delegate2['default'].unbind(document.body, 'click', this.binding);
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};
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/**
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* Defines a new `ClipboardAction` on each click event.
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* @param {Event} e
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*/
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Clipboard.prototype.onClick = function onClick(e) {
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if (this.clipboardAction) {
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this.clipboardAction = null;
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}
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this.clipboardAction = new _clipboardAction2['default']({
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action: this.action(e.delegateTarget),
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target: this.target(e.delegateTarget),
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text: this.text(e.delegateTarget),
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trigger: e.delegateTarget,
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emitter: this
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});
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};
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/**
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* Default `action` lookup function.
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* @param {Element} trigger
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*/
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Clipboard.prototype.defaultAction = function defaultAction(trigger) {
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return getAttributeValue('action', trigger);
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};
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/**
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* Default `target` lookup function.
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* @param {Element} trigger
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*/
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Clipboard.prototype.defaultTarget = function defaultTarget(trigger) {
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var selector = getAttributeValue('target', trigger);
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if (selector) {
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return document.querySelector(selector);
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}
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};
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/**
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* Default `text` lookup function.
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* @param {Element} trigger
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*/
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Clipboard.prototype.defaultText = function defaultText(trigger) {
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return getAttributeValue('text', trigger);
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};
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/**
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* Destroy lifecycle.
|
|
*/
|
|
|
|
Clipboard.prototype.destroy = function destroy() {
|
|
this.undelegateClick();
|
|
|
|
if (this.clipboardAction) {
|
|
this.clipboardAction.destroy();
|
|
this.clipboardAction = null;
|
|
}
|
|
};
|
|
|
|
return Clipboard;
|
|
})(_tinyEmitter2['default']);
|
|
|
|
function getAttributeValue(suffix, element) {
|
|
var attribute = 'data-clipboard-' + suffix;
|
|
|
|
if (!element.hasAttribute(attribute)) {
|
|
return;
|
|
}
|
|
|
|
return element.getAttribute(attribute);
|
|
}
|
|
|
|
exports['default'] = Clipboard;
|
|
module.exports = exports['default'];
|
|
|
|
},{"./clipboard-action":6,"delegate":3,"tiny-emitter":5}]},{},[7])(7)
|
|
}); |