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keksAccountGUI/node_modulesOLD/vuetify/es5/util/mergeData.js

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2019-08-11 18:48:02 +00:00
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = mergeData;
function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }
function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(source, true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(source).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }
function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
/**
* @copyright 2017 Alex Regan
* @license MIT
* @see https://github.com/alexsasharegan/vue-functional-data-merge
*/
function mergeData() {
var mergeTarget = {};
var i = arguments.length;
var prop;
var event; // Allow for variadic argument length.
while (i--) {
// Iterate through the data properties and execute merge strategies
// Object.keys eliminates need for hasOwnProperty call
for (var _i = 0, _Object$keys = Object.keys(arguments[i]); _i < _Object$keys.length; _i++) {
prop = _Object$keys[_i];
switch (prop) {
// Array merge strategy (array concatenation)
case 'class':
case 'style':
case 'directives':
if (!Array.isArray(mergeTarget[prop])) {
mergeTarget[prop] = [];
} // Repackaging in an array allows Vue runtime
// to merge class/style bindings regardless of type.
mergeTarget[prop] = mergeTarget[prop].concat(arguments[i][prop]);
break;
// Space delimited string concatenation strategy
case 'staticClass':
if (!arguments[i][prop]) {
break;
}
if (mergeTarget[prop] === undefined) {
mergeTarget[prop] = '';
}
if (mergeTarget[prop]) {
// Not an empty string, so concatenate
mergeTarget[prop] += ' ';
}
mergeTarget[prop] += arguments[i][prop].trim();
break;
// Object, the properties of which to merge via array merge strategy (array concatenation).
// Callback merge strategy merges callbacks to the beginning of the array,
// so that the last defined callback will be invoked first.
// This is done since to mimic how Object.assign merging
// uses the last given value to assign.
case 'on':
case 'nativeOn':
if (!mergeTarget[prop]) {
mergeTarget[prop] = {};
}
var listeners = mergeTarget[prop];
for (var _i2 = 0, _Object$keys2 = Object.keys(arguments[i][prop] || {}); _i2 < _Object$keys2.length; _i2++) {
event = _Object$keys2[_i2];
// Concat function to array of functions if callback present.
if (listeners[event]) {
// Insert current iteration data in beginning of merged array.
listeners[event] = Array().concat( // eslint-disable-line
listeners[event], arguments[i][prop][event]);
} else {
// Straight assign.
listeners[event] = arguments[i][prop][event];
}
}
break;
// Object merge strategy
case 'attrs':
case 'props':
case 'domProps':
case 'scopedSlots':
case 'staticStyle':
case 'hook':
case 'transition':
if (!mergeTarget[prop]) {
mergeTarget[prop] = {};
}
mergeTarget[prop] = _objectSpread({}, arguments[i][prop], {}, mergeTarget[prop]);
break;
// Reassignment strategy (no merge)
case 'slot':
case 'key':
case 'ref':
case 'tag':
case 'show':
case 'keepAlive':
default:
if (!mergeTarget[prop]) {
mergeTarget[prop] = arguments[i][prop];
}
}
}
}
return mergeTarget;
}
//# sourceMappingURL=mergeData.js.map