odin-javascript-exercises/node_modules/path-is-inside/lib/path-is-inside.js
2017-12-15 12:56:14 -06:00

28 lines
858 B
JavaScript

"use strict";
var path = require("path");
module.exports = function (thePath, potentialParent) {
// For inside-directory checking, we want to allow trailing slashes, so normalize.
thePath = stripTrailingSep(thePath);
potentialParent = stripTrailingSep(potentialParent);
// Node treats only Windows as case-insensitive in its path module; we follow those conventions.
if (process.platform === "win32") {
thePath = thePath.toLowerCase();
potentialParent = potentialParent.toLowerCase();
}
return thePath.lastIndexOf(potentialParent, 0) === 0 &&
(
thePath[potentialParent.length] === path.sep ||
thePath[potentialParent.length] === undefined
);
};
function stripTrailingSep(thePath) {
if (thePath[thePath.length - 1] === path.sep) {
return thePath.slice(0, -1);
}
return thePath;
}