layui_back/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 () {
    return /******/ (function (modules) { // webpackBootstrap
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                return value[key];
            }.bind(null, 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;


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