scyf/back/assets/module/ClipboardJS.js

/*!
 * clipboard.js v2.0.4
 * https://zenorocha.github.io/clipboard.js
 * 
 * Licensed MIT © Zeno Rocha
 */
(function webpackUniversalModuleDefinition(root, factory) {
    if (typeof exports === 'object' && typeof module === 'object') {
        module.exports = factory();
    } else if (typeof define === 'function' && define.amd) {
        define([], factory);
    } else if (typeof exports === 'object') {
        exports["ClipboardJS"] = factory();
    } else if (window.layui && layui.define) {  // layui加载
        layui.define(function (exports) {
            exports('ClipboardJS', factory());
        });
    } else {
        root["ClipboardJS"] = factory();
    }
})(this, function () {
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                return value[key];
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    /******/([
        /* 0 */
        /***/ (function (module, exports, __webpack_require__) {

            "use strict";


            var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
                return typeof obj;
            } : function (obj) {
                return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
            };

            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;
                };
            }();

            var _clipboardAction = __webpack_require__(1);

            var _clipboardAction2 = _interopRequireDefault(_clipboardAction);

            var _tinyEmitter = __webpack_require__(3);

            var _tinyEmitter2 = _interopRequireDefault(_tinyEmitter);

            var _goodListener = __webpack_require__(4);

            var _goodListener2 = _interopRequireDefault(_goodListener);

            function _interopRequireDefault(obj) {
                return obj && obj.__esModule ? obj : {default: obj};
            }

            function _classCallCheck(instance, Constructor) {
                if (!(instance instanceof Constructor)) {
                    throw new TypeError("Cannot call a class as a function");
                }
            }

            function _possibleConstructorReturn(self, call) {
                if (!self) {
                    throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
                }
                return call && (typeof call === "object" || typeof call === "function") ? call : self;
            }

            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;
            }

            /**
             * Base class which takes one or more elements, adds event listeners to them,
             * and instantiates a new `ClipboardAction` on each click.
             */
            var Clipboard = function (_Emitter) {
                _inherits(Clipboard, _Emitter);

                /**
                 * @param {String|HTMLElement|HTMLCollection|NodeList} trigger
                 * @param {Object} options
                 */
                function Clipboard(trigger, options) {
                    _classCallCheck(this, Clipboard);

                    var _this = _possibleConstructorReturn(this, (Clipboard.__proto__ || Object.getPrototypeOf(Clipboard)).call(this));

                    _this.resolveOptions(options);
                    _this.listenClick(trigger);
                    return _this;
                }

                /**
                 * Defines if attributes would be resolved using internal setter functions
                 * or custom functions that were passed in the constructor.
                 * @param {Object} options
                 */


                _createClass(Clipboard, [{
                    key: 'resolveOptions',
                    value: function resolveOptions() {
                        var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};

                        this.action = typeof options.action === 'function' ? options.action : this.defaultAction;
                        this.target = typeof options.target === 'function' ? options.target : this.defaultTarget;
                        this.text = typeof options.text === 'function' ? options.text : this.defaultText;
                        this.container = _typeof(options.container) === 'object' ? options.container : document.body;
                    }

                    /**
                     * Adds a click event listener to the passed trigger.
                     * @param {String|HTMLElement|HTMLCollection|NodeList} trigger
                     */

                }, {
                    key: 'listenClick',
                    value: function listenClick(trigger) {
                        var _this2 = this;

                        this.listener = (0, _goodListener2.default)(trigger, 'click', function (e) {
                            return _this2.onClick(e);
                        });
                    }

                    /**
                     * Defines a new `ClipboardAction` on each click event.
                     * @param {Event} e
                     */

                }, {
                    key: 'onClick',
                    value: function onClick(e) {
                        var trigger = e.delegateTarget || e.currentTarget;

                        if (this.clipboardAction) {
                            this.clipboardAction = null;
                        }

                        this.clipboardAction = new _clipboardAction2.default({
                            action: this.action(trigger),
                            target: this.target(trigger),
                            text: this.text(trigger),
                            container: this.container,
                            trigger: trigger,
                            emitter: this
                        });
                    }

                    /**
                     * Default `action` lookup function.
                     * @param {Element} trigger
                     */

                }, {
                    key: 'defaultAction',
                    value: function defaultAction(trigger) {
                        return getAttributeValue('action', trigger);
                    }

                    /**
                     * Default `target` lookup function.
                     * @param {Element} trigger
                     */

                }, {
                    key: 'defaultTarget',
                    value: function defaultTarget(trigger) {
                        var selector = getAttributeValue('target', trigger);

                        if (selector) {
                            return document.querySelector(selector);
                        }
                    }

                    /**
                     * Returns the support of the given action, or all actions if no action is
                     * given.
                     * @param {String} [action]
                     */

                }, {
                    key: 'defaultText',


                    /**
                     * Default `text` lookup function.
                     * @param {Element} trigger
                     */
                    value: function defaultText(trigger) {
                        return getAttributeValue('text', trigger);
                    }

                    /**
                     * Destroy lifecycle.
                     */

                }, {
                    key: 'destroy',
                    value: function destroy() {
                        this.listener.destroy();

                        if (this.clipboardAction) {
                            this.clipboardAction.destroy();
                            this.clipboardAction = null;
                        }
                    }
                }], [{
                    key: 'isSupported',
                    value: function isSupported() {
                        var action = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : ['copy', 'cut'];

                        var actions = typeof action === 'string' ? [action] : action;
                        var support = !!document.queryCommandSupported;

                        actions.forEach(function (action) {
                            support = support && !!document.queryCommandSupported(action);
                        });

                        return support;
                    }
                }]);

                return Clipboard;
            }(_tinyEmitter2.default);

            /**
             * Helper function to retrieve attribute value.
             * @param {String} suffix
             * @param {Element} element
             */


            function getAttributeValue(suffix, element) {
                var attribute = 'data-clipboard-' + suffix;

                if (!element.hasAttribute(attribute)) {
                    return;
                }

                return element.getAttribute(attribute);
            }

            module.exports = Clipboard;

            /***/
        }),
        /* 1 */
        /***/ (function (module, exports, __webpack_require__) {

            "use strict";


            var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
                return typeof obj;
            } : function (obj) {
                return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
            };

            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;
                };
            }();

            var _select = __webpack_require__(2);

            var _select2 = _interopRequireDefault(_select);

            function _interopRequireDefault(obj) {
                return obj && obj.__esModule ? obj : {default: obj};
            }

            function _classCallCheck(instance, Constructor) {
                if (!(instance instanceof Constructor)) {
                    throw new TypeError("Cannot call a class as a function");
                }
            }

            /**
             * Inner class which performs selection from either `text` or `target`
             * properties and then executes copy or cut operations.
             */
            var ClipboardAction = function () {
                /**
                 * @param {Object} options
                 */
                function ClipboardAction(options) {
                    _classCallCheck(this, ClipboardAction);

                    this.resolveOptions(options);
                    this.initSelection();
                }

                /**
                 * Defines base properties passed from constructor.
                 * @param {Object} options
                 */


                _createClass(ClipboardAction, [{
                    key: 'resolveOptions',
                    value: function resolveOptions() {
                        var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};

                        this.action = options.action;
                        this.container = options.container;
                        this.emitter = options.emitter;
                        this.target = options.target;
                        this.text = options.text;
                        this.trigger = options.trigger;

                        this.selectedText = '';
                    }

                    /**
                     * Decides which selection strategy is going to be applied based
                     * on the existence of `text` and `target` properties.
                     */

                }, {
                    key: 'initSelection',
                    value: function initSelection() {
                        if (this.text) {
                            this.selectFake();
                        } else if (this.target) {
                            this.selectTarget();
                        }
                    }

                    /**
                     * Creates a fake textarea element, sets its value from `text` property,
                     * and makes a selection on it.
                     */

                }, {
                    key: 'selectFake',
                    value: function selectFake() {
                        var _this = this;

                        var isRTL = document.documentElement.getAttribute('dir') == 'rtl';

                        this.removeFake();

                        this.fakeHandlerCallback = function () {
                            return _this.removeFake();
                        };
                        this.fakeHandler = this.container.addEventListener('click', this.fakeHandlerCallback) || true;

                        this.fakeElem = document.createElement('textarea');
                        // Prevent zooming on iOS
                        this.fakeElem.style.fontSize = '12pt';
                        // Reset box model
                        this.fakeElem.style.border = '0';
                        this.fakeElem.style.padding = '0';
                        this.fakeElem.style.margin = '0';
                        // Move element out of screen horizontally
                        this.fakeElem.style.position = 'absolute';
                        this.fakeElem.style[isRTL ? 'right' : 'left'] = '-9999px';
                        // Move element to the same position vertically
                        var yPosition = window.pageYOffset || document.documentElement.scrollTop;
                        this.fakeElem.style.top = yPosition + 'px';

                        this.fakeElem.setAttribute('readonly', '');
                        this.fakeElem.value = this.text;

                        this.container.appendChild(this.fakeElem);

                        this.selectedText = (0, _select2.default)(this.fakeElem);
                        this.copyText();
                    }

                    /**
                     * Only removes the fake element after another click event, that way
                     * a user can hit `Ctrl+C` to copy because selection still exists.
                     */

                }, {
                    key: 'removeFake',
                    value: function removeFake() {
                        if (this.fakeHandler) {
                            this.container.removeEventListener('click', this.fakeHandlerCallback);
                            this.fakeHandler = null;
                            this.fakeHandlerCallback = null;
                        }

                        if (this.fakeElem) {
                            this.container.removeChild(this.fakeElem);
                            this.fakeElem = null;
                        }
                    }

                    /**
                     * Selects the content from element passed on `target` property.
                     */

                }, {
                    key: 'selectTarget',
                    value: function selectTarget() {
                        this.selectedText = (0, _select2.default)(this.target);
                        this.copyText();
                    }

                    /**
                     * Executes the copy operation based on the current selection.
                     */

                }, {
                    key: 'copyText',
                    value: function copyText() {
                        var succeeded = void 0;

                        try {
                            succeeded = document.execCommand(this.action);
                        } catch (err) {
                            succeeded = false;
                        }

                        this.handleResult(succeeded);
                    }

                    /**
                     * Fires an event based on the copy operation result.
                     * @param {Boolean} succeeded
                     */

                }, {
                    key: 'handleResult',
                    value: function handleResult(succeeded) {
                        this.emitter.emit(succeeded ? 'success' : 'error', {
                            action: this.action,
                            text: this.selectedText,
                            trigger: this.trigger,
                            clearSelection: this.clearSelection.bind(this)
                        });
                    }

                    /**
                     * Moves focus away from `target` and back to the trigger, removes current selection.
                     */

                }, {
                    key: 'clearSelection',
                    value: function clearSelection() {
                        if (this.trigger) {
                            this.trigger.focus();
                        }

                        window.getSelection().removeAllRanges();
                    }

                    /**
                     * Sets the `action` to be performed which can be either 'copy' or 'cut'.
                     * @param {String} action
                     */

                }, {
                    key: 'destroy',


                    /**
                     * Destroy lifecycle.
                     */
                    value: function destroy() {
                        this.removeFake();
                    }
                }, {
                    key: 'action',
                    set: function set() {
                        var action = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 'copy';

                        this._action = action;

                        if (this._action !== 'copy' && this._action !== 'cut') {
                            throw new Error('Invalid "action" value, use either "copy" or "cut"');
                        }
                    }

                    /**
                     * Gets the `action` property.
                     * @return {String}
                     */
                    ,
                    get: function get() {
                        return this._action;
                    }

                    /**
                     * Sets the `target` property using an element
                     * that will be have its content copied.
                     * @param {Element} target
                     */

                }, {
                    key: 'target',
                    set: function set(target) {
                        if (target !== undefined) {
                            if (target && (typeof target === 'undefined' ? 'undefined' : _typeof(target)) === 'object' && target.nodeType === 1) {
                                if (this.action === 'copy' && target.hasAttribute('disabled')) {
                                    throw new Error('Invalid "target" attribute. Please use "readonly" instead of "disabled" attribute');
                                }

                                if (this.action === 'cut' && (target.hasAttribute('readonly') || target.hasAttribute('disabled'))) {
                                    throw new Error('Invalid "target" attribute. You can\'t cut text from elements with "readonly" or "disabled" attributes');
                                }

                                this._target = target;
                            } else {
                                throw new Error('Invalid "target" value, use a valid Element');
                            }
                        }
                    }

                    /**
                     * Gets the `target` property.
                     * @return {String|HTMLElement}
                     */
                    ,
                    get: function get() {
                        return this._target;
                    }
                }]);

                return ClipboardAction;
            }();

            module.exports = ClipboardAction;

            /***/
        }),
        /* 2 */
        /***/ (function (module, exports) {

            function select(element) {
                var selectedText;

                if (element.nodeName === 'SELECT') {
                    element.focus();

                    selectedText = element.value;
                }
                else if (element.nodeName === 'INPUT' || element.nodeName === 'TEXTAREA') {
                    var isReadOnly = element.hasAttribute('readonly');

                    if (!isReadOnly) {
                        element.setAttribute('readonly', '');
                    }

                    element.select();
                    element.setSelectionRange(0, element.value.length);

                    if (!isReadOnly) {
                        element.removeAttribute('readonly');
                    }

                    selectedText = element.value;
                }
                else {
                    if (element.hasAttribute('contenteditable')) {
                        element.focus();
                    }

                    var selection = window.getSelection();
                    var range = document.createRange();

                    range.selectNodeContents(element);
                    selection.removeAllRanges();
                    selection.addRange(range);

                    selectedText = selection.toString();
                }

                return selectedText;
            }

            module.exports = select;


            /***/
        }),
        /* 3 */
        /***/ (function (module, exports) {

            function E() {
                // Keep this empty so it's easier to inherit from
                // (via https://github.com/lipsmack from https://github.com/scottcorgan/tiny-emitter/issues/3)
            }

            E.prototype = {
                on: function (name, callback, ctx) {
                    var e = this.e || (this.e = {});

                    (e[name] || (e[name] = [])).push({
                        fn: callback,
                        ctx: ctx
                    });

                    return this;
                },

                once: function (name, callback, ctx) {
                    var self = this;

                    function listener() {
                        self.off(name, listener);
                        callback.apply(ctx, arguments);
                    };

                    listener._ = callback
                    return this.on(name, listener, ctx);
                },

                emit: function (name) {
                    var data = [].slice.call(arguments, 1);
                    var evtArr = ((this.e || (this.e = {}))[name] || []).slice();
                    var i = 0;
                    var len = evtArr.length;

                    for (i; i < len; i++) {
                        evtArr[i].fn.apply(evtArr[i].ctx, data);
                    }

                    return this;
                },

                off: function (name, callback) {
                    var e = this.e || (this.e = {});
                    var evts = e[name];
                    var liveEvents = [];

                    if (evts && callback) {
                        for (var i = 0, len = evts.length; i < len; i++) {
                            if (evts[i].fn !== callback && evts[i].fn._ !== callback)
                                liveEvents.push(evts[i]);
                        }
                    }

                    // Remove event from queue to prevent memory leak
                    // Suggested by https://github.com/lazd
                    // Ref: https://github.com/scottcorgan/tiny-emitter/commit/c6ebfaa9bc973b33d110a84a307742b7cf94c953#commitcomment-5024910

                    (liveEvents.length)
                        ? e[name] = liveEvents
                        : delete e[name];

                    return this;
                }
            };

            module.exports = E;


            /***/
        }),
        /* 4 */
        /***/ (function (module, exports, __webpack_require__) {

            var is = __webpack_require__(5);
            var delegate = __webpack_require__(6);

            /**
             * Validates all params and calls the right
             * listener function based on its target type.
             *
             * @param {String|HTMLElement|HTMLCollection|NodeList} target
             * @param {String} type
             * @param {Function} callback
             * @return {Object}
             */
            function listen(target, type, callback) {
                if (!target && !type && !callback) {
                    throw new Error('Missing required arguments');
                }

                if (!is.string(type)) {
                    throw new TypeError('Second argument must be a String');
                }

                if (!is.fn(callback)) {
                    throw new TypeError('Third argument must be a Function');
                }

                if (is.node(target)) {
                    return listenNode(target, type, callback);
                }
                else if (is.nodeList(target)) {
                    return listenNodeList(target, type, callback);
                }
                else if (is.string(target)) {
                    return listenSelector(target, type, callback);
                }
                else {
                    throw new TypeError('First argument must be a String, HTMLElement, HTMLCollection, or NodeList');
                }
            }

            /**
             * Adds an event listener to a HTML element
             * and returns a remove listener function.
             *
             * @param {HTMLElement} node
             * @param {String} type
             * @param {Function} callback
             * @return {Object}
             */
            function listenNode(node, type, callback) {
                node.addEventListener(type, callback);

                return {
                    destroy: function () {
                        node.removeEventListener(type, callback);
                    }
                }
            }

            /**
             * Add an event listener to a list of HTML elements
             * and returns a remove listener function.
             *
             * @param {NodeList|HTMLCollection} nodeList
             * @param {String} type
             * @param {Function} callback
             * @return {Object}
             */
            function listenNodeList(nodeList, type, callback) {
                Array.prototype.forEach.call(nodeList, function (node) {
                    node.addEventListener(type, callback);
                });

                return {
                    destroy: function () {
                        Array.prototype.forEach.call(nodeList, function (node) {
                            node.removeEventListener(type, callback);
                        });
                    }
                }
            }

            /**
             * Add an event listener to a selector
             * and returns a remove listener function.
             *
             * @param {String} selector
             * @param {String} type
             * @param {Function} callback
             * @return {Object}
             */
            function listenSelector(selector, type, callback) {
                return delegate(document.body, selector, type, callback);
            }

            module.exports = listen;


            /***/
        }),
        /* 5 */
        /***/ (function (module, exports) {

            /**
             * Check if argument is a HTML element.
             *
             * @param {Object} value
             * @return {Boolean}
             */
            exports.node = function (value) {
                return value !== undefined
                    && value instanceof HTMLElement
                    && value.nodeType === 1;
            };

            /**
             * Check if argument is a list of HTML elements.
             *
             * @param {Object} value
             * @return {Boolean}
             */
            exports.nodeList = function (value) {
                var type = Object.prototype.toString.call(value);

                return value !== undefined
                    && (type === '[object NodeList]' || type === '[object HTMLCollection]')
                    && ('length' in value)
                    && (value.length === 0 || exports.node(value[0]));
            };

            /**
             * Check if argument is a string.
             *
             * @param {Object} value
             * @return {Boolean}
             */
            exports.string = function (value) {
                return typeof value === 'string'
                    || value instanceof String;
            };

            /**
             * Check if argument is a function.
             *
             * @param {Object} value
             * @return {Boolean}
             */
            exports.fn = function (value) {
                var type = Object.prototype.toString.call(value);

                return type === '[object Function]';
            };


            /***/
        }),
        /* 6 */
        /***/ (function (module, exports, __webpack_require__) {

            var closest = __webpack_require__(7);

            /**
             * Delegates event to a selector.
             *
             * @param {Element} element
             * @param {String} selector
             * @param {String} type
             * @param {Function} callback
             * @param {Boolean} useCapture
             * @return {Object}
             */
            function _delegate(element, selector, type, callback, useCapture) {
                var listenerFn = listener.apply(this, arguments);

                element.addEventListener(type, listenerFn, useCapture);

                return {
                    destroy: function () {
                        element.removeEventListener(type, listenerFn, useCapture);
                    }
                }
            }

            /**
             * Delegates event to a selector.
             *
             * @param {Element|String|Array} [elements]
             * @param {String} selector
             * @param {String} type
             * @param {Function} callback
             * @param {Boolean} useCapture
             * @return {Object}
             */
            function delegate(elements, selector, type, callback, useCapture) {
                // Handle the regular Element usage
                if (typeof elements.addEventListener === 'function') {
                    return _delegate.apply(null, arguments);
                }

                // Handle Element-less usage, it defaults to global delegation
                if (typeof type === 'function') {
                    // Use `document` as the first parameter, then apply arguments
                    // This is a short way to .unshift `arguments` without running into deoptimizations
                    return _delegate.bind(null, document).apply(null, arguments);
                }

                // Handle Selector-based usage
                if (typeof elements === 'string') {
                    elements = document.querySelectorAll(elements);
                }

                // Handle Array-like based usage
                return Array.prototype.map.call(elements, function (element) {
                    return _delegate(element, selector, type, callback, useCapture);
                });
            }

            /**
             * Finds closest match and invokes callback.
             *
             * @param {Element} element
             * @param {String} selector
             * @param {String} type
             * @param {Function} callback
             * @return {Function}
             */
            function listener(element, selector, type, callback) {
                return function (e) {
                    e.delegateTarget = closest(e.target, selector);

                    if (e.delegateTarget) {
                        callback.call(element, e);
                    }
                }
            }

            module.exports = delegate;


            /***/
        }),
        /* 7 */
        /***/ (function (module, exports) {

            var DOCUMENT_NODE_TYPE = 9;

            /**
             * A polyfill for Element.matches()
             */
            if (typeof Element !== 'undefined' && !Element.prototype.matches) {
                var proto = Element.prototype;

                proto.matches = proto.matchesSelector ||
                    proto.mozMatchesSelector ||
                    proto.msMatchesSelector ||
                    proto.oMatchesSelector ||
                    proto.webkitMatchesSelector;
            }

            /**
             * Finds the closest parent that matches a selector.
             *
             * @param {Element} element
             * @param {String} selector
             * @return {Function}
             */
            function closest(element, selector) {
                while (element && element.nodeType !== DOCUMENT_NODE_TYPE) {
                    if (typeof element.matches === 'function' &&
                        element.matches(selector)) {
                        return element;
                    }
                    element = element.parentNode;
                }
            }

            module.exports = closest;


            /***/
        })
        /******/]);
});