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							57 lines
						
					
					
						
							1.6 KiB
						
					
					
				
			
		
		
	
	
							57 lines
						
					
					
						
							1.6 KiB
						
					
					
				(function (global, factory) {
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  typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('react')) :
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  typeof define === 'function' && define.amd ? define(['exports', 'react'], factory) :
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  (global = global || self, factory(global.useMemoOne = {}, global.React));
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}(this, function (exports, react) { 'use strict';
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  function areInputsEqual(newInputs, lastInputs) {
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    if (newInputs.length !== lastInputs.length) {
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      return false;
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    }
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    for (var i = 0; i < newInputs.length; i++) {
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      if (newInputs[i] !== lastInputs[i]) {
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        return false;
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      }
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    }
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    return true;
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  }
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  function useMemoOne(getResult, inputs) {
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    var initial = react.useState(function () {
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      return {
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        inputs: inputs,
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        result: getResult()
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      };
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    })[0];
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    var isFirstRun = react.useRef(true);
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    var committed = react.useRef(initial);
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    var useCache = isFirstRun.current || Boolean(inputs && committed.current.inputs && areInputsEqual(inputs, committed.current.inputs));
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    var cache = useCache ? committed.current : {
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      inputs: inputs,
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      result: getResult()
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    };
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    react.useEffect(function () {
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      isFirstRun.current = false;
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      committed.current = cache;
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    }, [cache]);
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    return cache.result;
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  }
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  function useCallbackOne(callback, inputs) {
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    return useMemoOne(function () {
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      return callback;
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    }, inputs);
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  }
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  var useMemo = useMemoOne;
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  var useCallback = useCallbackOne;
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  exports.useCallback = useCallback;
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  exports.useCallbackOne = useCallbackOne;
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  exports.useMemo = useMemo;
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  exports.useMemoOne = useMemoOne;
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  Object.defineProperty(exports, '__esModule', { value: true });
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}));
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