编辑文件

编辑文件：clipboard.js

/*!
 * clipboard.js v2.0.11
 * https://clipboardjs.com/
 *
 * 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();
})(this, function() {
return /******/ (function() { // webpackBootstrap
/******/ 	var __webpack_modules__ = ({

/***/ 686:
/***/ (function(__unused_webpack_module, __webpack_exports__, __webpack_require__) {

"use strict";

// EXPORTS
__webpack_require__.d(__webpack_exports__, {
  "default": function() { return /* binding */ clipboard; }
});

// EXTERNAL MODULE: ./node_modules/tiny-emitter/index.js
var tiny_emitter = __webpack_require__(279);
var tiny_emitter_default = /*#__PURE__*/__webpack_require__.n(tiny_emitter);
// EXTERNAL MODULE: ./node_modules/good-listener/src/listen.js
var listen = __webpack_require__(370);
var listen_default = /*#__PURE__*/__webpack_require__.n(listen);
// EXTERNAL MODULE: ./node_modules/select/src/select.js
var src_select = __webpack_require__(817);
var select_default = /*#__PURE__*/__webpack_require__.n(src_select);
;// CONCATENATED MODULE: ./src/common/command.js
/**
 * Executes a given operation type.
 * @param {String} type
 * @return {Boolean}
 */
function command(type) {
  try {
    return document.execCommand(type);
  } catch (err) {
    return false;
  }
}
;// CONCATENATED MODULE: ./src/actions/cut.js

/**
 * Cut action wrapper.
 * @param {String|HTMLElement} target
 * @return {String}
 */

var ClipboardActionCut = function ClipboardActionCut(target) {
  var selectedText = select_default()(target);
  command('cut');
  return selectedText;
};

/* harmony default export */ var actions_cut = (ClipboardActionCut);
;// CONCATENATED MODULE: ./src/common/create-fake-element.js
/**
 * Creates a fake textarea element with a value.
 * @param {String} value
 * @return {HTMLElement}
 */
function createFakeElement(value) {
  var isRTL = document.documentElement.getAttribute('dir') === 'rtl';
  var fakeElement = document.createElement('textarea'); // Prevent zooming on iOS

fakeElement.style.fontSize = '12pt'; // Reset box model

fakeElement.style.border = '0';
  fakeElement.style.padding = '0';
  fakeElement.style.margin = '0'; // Move element out of screen horizontally

fakeElement.style.position = 'absolute';
  fakeElement.style[isRTL ? 'right' : 'left'] = '-9999px'; // Move element to the same position vertically

var yPosition = window.pageYOffset || document.documentElement.scrollTop;
  fakeElement.style.top = "".concat(yPosition, "px");
  fakeElement.setAttribute('readonly', '');
  fakeElement.value = value;
  return fakeElement;
}
;// CONCATENATED MODULE: ./src/actions/copy.js

/**
 * Create fake copy action wrapper using a fake element.
 * @param {String} target
 * @param {Object} options
 * @return {String}
 */

var ClipboardActionCopy = function ClipboardActionCopy(target) {
  var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {
    container: document.body
  };
  var selectedText = '';

if (typeof target === 'string') {
    selectedText = fakeCopyAction(target, options);
  } else if (target instanceof HTMLInputElement && !['text', 'search', 'url', 'tel', 'password'].includes(target === null || target === void 0 ? void 0 : target.type)) {
    // If input type doesn't support `setSelectionRange`. Simulate it. https://developer.mozilla.org/en-US/docs/Web/API/HTMLInputElement/setSelectionRange
    selectedText = fakeCopyAction(target.value, options);
  } else {
    selectedText = select_default()(target);
    command('copy');
  }

return selectedText;
};

/* harmony default export */ var actions_copy = (ClipboardActionCopy);
;// CONCATENATED MODULE: ./src/actions/default.js
function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

/**
 * Inner function which performs selection from either `text` or `target`
 * properties and then executes copy or cut operations.
 * @param {Object} options
 */

var ClipboardActionDefault = function ClipboardActionDefault() {
  var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
  // Defines base properties passed from constructor.
  var _options$action = options.action,
      action = _options$action === void 0 ? 'copy' : _options$action,
      container = options.container,
      target = options.target,
      text = options.text; // Sets the `action` to be performed which can be either 'copy' or 'cut'.

if (action !== 'copy' && action !== 'cut') {
    throw new Error('Invalid "action" value, use either "copy" or "cut"');
  } // Sets the `target` property using an element that will be have its content copied.

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

if (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');
      }
    } else {
      throw new Error('Invalid "target" value, use a valid Element');
    }
  } // Define selection strategy based on `text` property.

if (text) {
    return actions_copy(text, {
      container: container
    });
  } // Defines which selection strategy based on `target` property.

if (target) {
    return action === 'cut' ? actions_cut(target) : actions_copy(target, {
      container: container
    });
  }
};

/* harmony default export */ var actions_default = (ClipboardActionDefault);
;// CONCATENATED MODULE: ./src/clipboard.js
function clipboard_typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { clipboard_typeof = function _typeof(obj) { return typeof obj; }; } else { clipboard_typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return clipboard_typeof(obj); }

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

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }

function _possibleConstructorReturn(self, call) { if (call && (clipboard_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }

function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }

function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }

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

function getAttributeValue(suffix, element) {
  var attribute = "data-clipboard-".concat(suffix);

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

return element.getAttribute(attribute);
}
/**
 * Base class which takes one or more elements, adds event listeners to them,
 * and instantiates a new `ClipboardAction` on each click.
 */

var Clipboard = /*#__PURE__*/function (_Emitter) {
  _inherits(Clipboard, _Emitter);

var _super = _createSuper(Clipboard);

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

_classCallCheck(this, Clipboard);

_this = _super.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 = clipboard_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 = listen_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;
      var action = this.action(trigger) || 'copy';
      var text = actions_default({
        action: action,
        container: this.container,
        target: this.target(trigger),
        text: this.text(trigger)
      }); // Fires an event based on the copy operation result.

this.emit(text ? 'success' : 'error', {
        action: action,
        text: text,
        trigger: trigger,
        clearSelection: function clearSelection() {
          if (trigger) {
            trigger.focus();
          }

window.getSelection().removeAllRanges();
        }
      });
    }
    /**
     * 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);
      }
    }
    /**
     * Allow fire programmatically a copy action
     * @param {String|HTMLElement} target
     * @param {Object} options
     * @returns Text copied.
     */

}, {
    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();
    }
  }], [{
    key: "copy",
    value: function copy(target) {
      var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {
        container: document.body
      };
      return actions_copy(target, options);
    }
    /**
     * Allow fire programmatically a cut action
     * @param {String|HTMLElement} target
     * @returns Text cutted.
     */

}, {
    key: "cut",
    value: function cut(target) {
      return actions_cut(target);
    }
    /**
     * Returns the support of the given action, or all actions if no action is
     * given.
     * @param {String} [action]
     */

}, {
    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;
}((tiny_emitter_default()));

/* harmony default export */ var clipboard = (Clipboard);

/***/ }),

/***/ 828:
/***/ (function(module) {

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;

/***/ }),

/***/ 438:
/***/ (function(module, __unused_webpack_exports, __webpack_require__) {

var closest = __webpack_require__(828);

/**
 * 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;

/***/ }),

/***/ 879:
/***/ (function(__unused_webpack_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]';
};

/***/ }),

/***/ 370:
/***/ (function(module, __unused_webpack_exports, __webpack_require__) {

var is = __webpack_require__(879);
var delegate = __webpack_require__(438);

/**
 * 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;

/***/ }),

/***/ 817:
/***/ (function(module) {

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;

/***/ }),

/***/ 279:
/***/ (function(module) {

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;
module.exports.TinyEmitter = E;

/***/ })

/******/ 	});
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.default;
});