44 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			JavaScript
		
	
	
			
		
		
	
	
			44 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			JavaScript
		
	
	
| import { getOptionProps } from './props-util';
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| 
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| export default {
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|   methods: {
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|     setState(state = {}, callback) {
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|       let newState = typeof state === 'function' ? state(this, this.$props) : state;
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|       if (this.getDerivedStateFromProps) {
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|         const s = this.getDerivedStateFromProps(getOptionProps(this), {
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|           ...this,
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|           ...newState,
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|         });
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|         if (s === null) {
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|           return;
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|         } else {
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|           newState = { ...newState, ...(s || {}) };
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|         }
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|       }
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|       Object.assign(this, newState);
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|       if (this._.isMounted) {
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|         this.$forceUpdate();
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|       }
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|       this.$nextTick(() => {
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|         callback && callback();
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|       });
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|     },
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|     __emit() {
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|       // 直接调用事件,底层组件不需要vueTool记录events
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|       const args = [].slice.call(arguments, 0);
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|       let eventName = args[0];
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|       eventName = `on${eventName[0].toUpperCase()}${eventName.substring(1)}`;
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|       const event = this.$props[eventName] || this.$attrs[eventName];
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|       if (args.length && event) {
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|         if (Array.isArray(event)) {
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|           for (let i = 0, l = event.length; i < l; i++) {
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|             event[i](...args.slice(1));
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|           }
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|         } else {
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|           event(...args.slice(1));
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|         }
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|       }
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|     },
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|   },
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| };
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