aaac7fed
 liuqimichale
add
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"use strict";
const path = require("path");
const looksLikeAbsolutePath = (maybeAbsolutePath) => {
return /^(?:[a-z]:\\|\/)/i.test(maybeAbsolutePath);
};
const normalizePathSeparator = (p) => p.replace(/\\/g, "/");
const _makePathsRelative = (context, identifier) => {
return identifier
.split(/([|! ])/)
.map(str => looksLikeAbsolutePath(str) ?
normalizePathSeparator(path.relative(context, str)) : str)
.join("");
};
exports.makePathsRelative = (context, identifier, cache) => {
if(!cache) return _makePathsRelative(context, identifier);
const relativePaths = cache.relativePaths || (cache.relativePaths = new Map());
let cachedResult;
let contextCache = relativePaths.get(context);
if(typeof contextCache === "undefined") {
relativePaths.set(context, contextCache = new Map());
} else {
cachedResult = contextCache.get(identifier);
}
if(typeof cachedResult !== "undefined") {
return cachedResult;
} else {
const relativePath = _makePathsRelative(context, identifier);
contextCache.set(identifier, relativePath);
return relativePath;
}
};
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