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57 lines
1.8 KiB
JavaScript
57 lines
1.8 KiB
JavaScript
9 years ago
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var createExtremum = require('../internal/createExtremum'),
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lt = require('../lang/lt');
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/** Used as references for `-Infinity` and `Infinity`. */
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var POSITIVE_INFINITY = Number.POSITIVE_INFINITY;
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/**
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* Gets the minimum value of `collection`. If `collection` is empty or falsey
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* `Infinity` is returned. If an iteratee function is provided it's invoked
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* for each value in `collection` to generate the criterion by which the value
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* is ranked. The `iteratee` is bound to `thisArg` and invoked with three
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* arguments: (value, index, collection).
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*
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* If a property name is provided for `iteratee` the created `_.property`
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* style callback returns the property value of the given element.
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*
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* If a value is also provided for `thisArg` the created `_.matchesProperty`
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* style callback returns `true` for elements that have a matching property
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* value, else `false`.
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*
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* If an object is provided for `iteratee` the created `_.matches` style
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* callback returns `true` for elements that have the properties of the given
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* object, else `false`.
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*
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* @static
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* @memberOf _
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* @category Math
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* @param {Array|Object|string} collection The collection to iterate over.
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* @param {Function|Object|string} [iteratee] The function invoked per iteration.
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* @param {*} [thisArg] The `this` binding of `iteratee`.
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* @returns {*} Returns the minimum value.
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* @example
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*
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* _.min([4, 2, 8, 6]);
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* // => 2
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*
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* _.min([]);
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* // => Infinity
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*
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* var users = [
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* { 'user': 'barney', 'age': 36 },
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* { 'user': 'fred', 'age': 40 }
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* ];
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*
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* _.min(users, function(chr) {
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* return chr.age;
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* });
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* // => { 'user': 'barney', 'age': 36 }
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*
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* // using the `_.property` callback shorthand
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* _.min(users, 'age');
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* // => { 'user': 'barney', 'age': 36 }
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*/
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var min = createExtremum(lt, POSITIVE_INFINITY);
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module.exports = min;
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