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20 lines
804 B
20 lines
804 B
3 years ago
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var identity = require('./identity.js');
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var isFunction = require('./isFunction.js');
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var isObject = require('./isObject.js');
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var isArray = require('./isArray.js');
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var matcher = require('./matcher.js');
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var property = require('./property.js');
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var _optimizeCb = require('./_optimizeCb.js');
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// An internal function to generate callbacks that can be applied to each
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// element in a collection, returning the desired result — either `_.identity`,
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// an arbitrary callback, a property matcher, or a property accessor.
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function baseIteratee(value, context, argCount) {
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if (value == null) return identity;
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if (isFunction(value)) return _optimizeCb(value, context, argCount);
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if (isObject(value) && !isArray(value)) return matcher(value);
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return property(value);
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}
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module.exports = baseIteratee;
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