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28 lines
1.1 KiB
28 lines
1.1 KiB
var requireObjectCoercible = require('../internals/require-object-coercible'); |
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var whitespaces = require('../internals/whitespaces'); |
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var whitespace = '[' + whitespaces + ']'; |
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var ltrim = RegExp('^' + whitespace + whitespace + '*'); |
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var rtrim = RegExp(whitespace + whitespace + '*$'); |
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// `String.prototype.{ trim, trimStart, trimEnd, trimLeft, trimRight }` methods implementation |
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var createMethod = function (TYPE) { |
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return function ($this) { |
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var string = String(requireObjectCoercible($this)); |
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if (TYPE & 1) string = string.replace(ltrim, ''); |
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if (TYPE & 2) string = string.replace(rtrim, ''); |
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return string; |
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}; |
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}; |
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module.exports = { |
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// `String.prototype.{ trimLeft, trimStart }` methods |
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// https://tc39.github.io/ecma262/#sec-string.prototype.trimstart |
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start: createMethod(1), |
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// `String.prototype.{ trimRight, trimEnd }` methods |
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// https://tc39.github.io/ecma262/#sec-string.prototype.trimend |
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end: createMethod(2), |
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// `String.prototype.trim` method |
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// https://tc39.github.io/ecma262/#sec-string.prototype.trim |
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trim: createMethod(3) |
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};
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