hexo/node_modules/core-js/modules/_string-trim.js

31 lines
929 B
JavaScript

var $export = require('./_export');
var defined = require('./_defined');
var fails = require('./_fails');
var spaces = require('./_string-ws');
var space = '[' + spaces + ']';
var non = '\u200b\u0085';
var ltrim = RegExp('^' + space + space + '*');
var rtrim = RegExp(space + space + '*$');
var exporter = function (KEY, exec, ALIAS) {
var exp = {};
var FORCE = fails(function () {
return !!spaces[KEY]() || non[KEY]() != non;
});
var fn = exp[KEY] = FORCE ? exec(trim) : spaces[KEY];
if (ALIAS) exp[ALIAS] = fn;
$export($export.P + $export.F * FORCE, 'String', exp);
};
// 1 -> String#trimLeft
// 2 -> String#trimRight
// 3 -> String#trim
var trim = exporter.trim = function (string, TYPE) {
string = String(defined(string));
if (TYPE & 1) string = string.replace(ltrim, '');
if (TYPE & 2) string = string.replace(rtrim, '');
return string;
};
module.exports = exporter;