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Mini Shell
Mini Shell
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; }
import cloneDeep from './clone-deep';
import looseEqual from './loose-equal';
import { hasOwnProperty, keys } from './object';
var isEmpty = function isEmpty(value) {
return !value || keys(value).length === 0;
};
export var makePropWatcher = function makePropWatcher(propName) {
return {
handler: function handler(newValue, oldValue) {
if (looseEqual(newValue, oldValue)) {
return;
}
if (isEmpty(newValue) || isEmpty(oldValue)) {
this[propName] = cloneDeep(newValue);
return;
}
for (var key in oldValue) {
if (!hasOwnProperty(newValue, key)) {
this.$delete(this.$data[propName], key);
}
}
for (var _key in newValue) {
this.$set(this.$data[propName], _key, newValue[_key]);
}
}
};
};
export var makePropCacheMixin = function makePropCacheMixin(propName, proxyPropName) {
return {
data: function data() {
return _defineProperty({}, proxyPropName, cloneDeep(this[propName]));
},
watch: _defineProperty({}, propName, makePropWatcher(proxyPropName))
};
};
Zerion Mini Shell 1.0