24 lines
593 B
JavaScript
24 lines
593 B
JavaScript
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;(function (exports) {
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'use strict';
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var path = exports.path || require('path')
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;
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function escapeRegExp(str) {
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return str.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&");
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}
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function safeResolve(basename, target) {
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basename = path.resolve(basename);
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var targetname = path.resolve(basename, target)
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, re = new RegExp('^' + escapeRegExp(basename) + '(/|$)')
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;
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return re.test(targetname) && targetname;
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}
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exports.safeResolve = safeResolve;
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exports.escapeRegExp = escapeRegExp;
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}('undefined' !== typeof exports && exports || window));
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