* Delete a property and trigger change if necessary. * * @param {Object} obj * @param {String} key
(obj, key)
| 44 | */ |
| 45 | |
| 46 | function del(obj, key) { |
| 47 | if (!hasOwn(obj, key)) { |
| 48 | return; |
| 49 | } |
| 50 | delete obj[key]; |
| 51 | var ob = obj.__ob__; |
| 52 | if (!ob) { |
| 53 | if (obj._isVue) { |
| 54 | delete obj._data[key]; |
| 55 | obj._digest(); |
| 56 | } |
| 57 | return; |
| 58 | } |
| 59 | ob.dep.notify(); |
| 60 | if (ob.vms) { |
| 61 | var i = ob.vms.length; |
| 62 | while (i--) { |
| 63 | var vm = ob.vms[i]; |
| 64 | vm._unproxy(key); |
| 65 | vm._digest(); |
| 66 | } |
| 67 | } |
| 68 | } |
| 69 | |
| 70 | var hasOwnProperty = Object.prototype.hasOwnProperty; |
| 71 | /** |