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x/lodash/_lazyValue.js

A modern JavaScript utility library delivering modularity, performance, & extras.
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import baseWrapperValue from './_baseWrapperValue.js';import getView from './_getView.js';import isArray from './isArray.js';
/** Used to indicate the type of lazy iteratees. */var LAZY_FILTER_FLAG = 1, LAZY_MAP_FLAG = 2;
/* Built-in method references for those with the same name as other `lodash` methods. */var nativeMin = Math.min;
/** * Extracts the unwrapped value from its lazy wrapper. * * @private * @name value * @memberOf LazyWrapper * @returns {*} Returns the unwrapped value. */function lazyValue() { var array = this.__wrapped__.value(), dir = this.__dir__, isArr = isArray(array), isRight = dir < 0, arrLength = isArr ? array.length : 0, view = getView(0, arrLength, this.__views__), start = view.start, end = view.end, length = end - start, index = isRight ? end : (start - 1), iteratees = this.__iteratees__, iterLength = iteratees.length, resIndex = 0, takeCount = nativeMin(length, this.__takeCount__);
if (!isArr || (!isRight && arrLength == length && takeCount == length)) { return baseWrapperValue(array, this.__actions__); } var result = [];
outer: while (length-- && resIndex < takeCount) { index += dir;
var iterIndex = -1, value = array[index];
while (++iterIndex < iterLength) { var data = iteratees[iterIndex], iteratee = data.iteratee, type = data.type, computed = iteratee(value);
if (type == LAZY_MAP_FLAG) { value = computed; } else if (!computed) { if (type == LAZY_FILTER_FLAG) { continue outer; } else { break outer; } } } result[resIndex++] = value; } return result;}
export default lazyValue;