mirror of
https://github.com/titanscouting/tra-analysis.git
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66 lines
1.9 KiB
JavaScript
66 lines
1.9 KiB
JavaScript
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"use strict";
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/**
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* A minimal path module to resolve Unix, Windows and URL paths alike.
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* @memberof util
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* @namespace
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*/
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var path = exports;
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var isAbsolute =
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/**
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* Tests if the specified path is absolute.
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* @param {string} path Path to test
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* @returns {boolean} `true` if path is absolute
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*/
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path.isAbsolute = function isAbsolute(path) {
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return /^(?:\/|\w+:)/.test(path);
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};
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var normalize =
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/**
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* Normalizes the specified path.
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* @param {string} path Path to normalize
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* @returns {string} Normalized path
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*/
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path.normalize = function normalize(path) {
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path = path.replace(/\\/g, "/")
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.replace(/\/{2,}/g, "/");
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var parts = path.split("/"),
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absolute = isAbsolute(path),
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prefix = "";
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if (absolute)
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prefix = parts.shift() + "/";
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for (var i = 0; i < parts.length;) {
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if (parts[i] === "..") {
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if (i > 0 && parts[i - 1] !== "..")
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parts.splice(--i, 2);
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else if (absolute)
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parts.splice(i, 1);
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else
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++i;
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} else if (parts[i] === ".")
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parts.splice(i, 1);
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else
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++i;
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}
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return prefix + parts.join("/");
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};
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/**
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* Resolves the specified include path against the specified origin path.
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* @param {string} originPath Path to the origin file
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* @param {string} includePath Include path relative to origin path
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* @param {boolean} [alreadyNormalized=false] `true` if both paths are already known to be normalized
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* @returns {string} Path to the include file
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*/
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path.resolve = function resolve(originPath, includePath, alreadyNormalized) {
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if (!alreadyNormalized)
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includePath = normalize(includePath);
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if (isAbsolute(includePath))
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return includePath;
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if (!alreadyNormalized)
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originPath = normalize(originPath);
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return (originPath = originPath.replace(/(?:\/|^)[^/]+$/, "")).length ? normalize(originPath + "/" + includePath) : includePath;
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};
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