编辑 clipboard.js - 文件管理器

✏️ 编辑：clipboard.js

路径：/virtual/bigbrother/public_html/edream-inc.jp/ed/wp-includes/js/clipboard.js

大小：28.6 KB · 修改：2019-03-27 22:31:52 · 权限：0707 · 可写

/*!
 * 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
		root["ClipboardJS"] = factory();
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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 _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; }

/**
 * 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 _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;

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

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