You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
31 lines
1.2 KiB
31 lines
1.2 KiB
var uncurryThis = require('../internals/function-uncurry-this'); |
|
var requireObjectCoercible = require('../internals/require-object-coercible'); |
|
var toString = require('../internals/to-string'); |
|
var whitespaces = require('../internals/whitespaces'); |
|
|
|
var replace = uncurryThis(''.replace); |
|
var whitespace = '[' + whitespaces + ']'; |
|
var ltrim = RegExp('^' + whitespace + whitespace + '*'); |
|
var rtrim = RegExp(whitespace + whitespace + '*$'); |
|
|
|
// `String.prototype.{ trim, trimStart, trimEnd, trimLeft, trimRight }` methods implementation |
|
var createMethod = function (TYPE) { |
|
return function ($this) { |
|
var string = toString(requireObjectCoercible($this)); |
|
if (TYPE & 1) string = replace(string, ltrim, ''); |
|
if (TYPE & 2) string = replace(string, rtrim, ''); |
|
return string; |
|
}; |
|
}; |
|
|
|
module.exports = { |
|
// `String.prototype.{ trimLeft, trimStart }` methods |
|
// https://tc39.es/ecma262/#sec-string.prototype.trimstart |
|
start: createMethod(1), |
|
// `String.prototype.{ trimRight, trimEnd }` methods |
|
// https://tc39.es/ecma262/#sec-string.prototype.trimend |
|
end: createMethod(2), |
|
// `String.prototype.trim` method |
|
// https://tc39.es/ecma262/#sec-string.prototype.trim |
|
trim: createMethod(3) |
|
};
|
|
|