mirror of https://github.com/webpack/webpack.git
33 lines
859 B
JavaScript
33 lines
859 B
JavaScript
"use strict";
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const path = require("path");
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const looksLikeAbsolutePath = (maybeAbsolutePath) => {
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return /^(?:[a-z]:\\|\/)/i.test(maybeAbsolutePath);
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};
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const normalizePathSeparator = (p) => p.replace(/\\/g, "/");
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/* A map from context dir strings to maps from identifier names to relative paths */
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const relativePaths = new Map();
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exports.makePathsRelative = (context, identifier) => {
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if(!relativePaths.has(context)) {
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relativePaths.set(context, new Map());
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}
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const contextCache = relativePaths.get(context);
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if(contextCache.has(identifier)) {
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return contextCache.get(identifier);
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} else {
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var relativePath = identifier
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.split(/([|! ])/)
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.map(str => looksLikeAbsolutePath(str) ?
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normalizePathSeparator(path.relative(context, str)) : str)
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.join("");
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contextCache.set(identifier, relativePath);
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return relativePath;
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}
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};
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