116 lines
2.9 KiB
JavaScript
Executable file
116 lines
2.9 KiB
JavaScript
Executable file
"use strict";
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const path = require("path");
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const getHashDigest = require("./getHashDigest");
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function interpolateName(loaderContext, name, options = {}) {
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let filename;
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const hasQuery =
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loaderContext.resourceQuery && loaderContext.resourceQuery.length > 1;
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if (typeof name === "function") {
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filename = name(
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loaderContext.resourcePath,
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hasQuery ? loaderContext.resourceQuery : undefined
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);
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} else {
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filename = name || "[hash].[ext]";
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}
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const context = options.context;
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const content = options.content;
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const regExp = options.regExp;
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let ext = "bin";
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let basename = "file";
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let directory = "";
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let folder = "";
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let query = "";
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if (loaderContext.resourcePath) {
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const parsed = path.parse(loaderContext.resourcePath);
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let resourcePath = loaderContext.resourcePath;
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if (parsed.ext) {
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ext = parsed.ext.substr(1);
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}
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if (parsed.dir) {
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basename = parsed.name;
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resourcePath = parsed.dir + path.sep;
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}
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if (typeof context !== "undefined") {
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directory = path
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.relative(context, resourcePath + "_")
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.replace(/\\/g, "/")
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.replace(/\.\.(\/)?/g, "_$1");
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directory = directory.substr(0, directory.length - 1);
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} else {
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directory = resourcePath.replace(/\\/g, "/").replace(/\.\.(\/)?/g, "_$1");
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}
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if (directory.length === 1) {
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directory = "";
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} else if (directory.length > 1) {
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folder = path.basename(directory);
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}
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}
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if (loaderContext.resourceQuery && loaderContext.resourceQuery.length > 1) {
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query = loaderContext.resourceQuery;
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const hashIdx = query.indexOf("#");
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if (hashIdx >= 0) {
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query = query.substr(0, hashIdx);
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}
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}
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let url = filename;
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if (content) {
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// Match hash template
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url = url
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// `hash` and `contenthash` are same in `loader-utils` context
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// let's keep `hash` for backward compatibility
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.replace(
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/\[(?:([^[:\]]+):)?(?:hash|contenthash)(?::([a-z]+\d*))?(?::(\d+))?\]/gi,
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(all, hashType, digestType, maxLength) =>
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getHashDigest(content, hashType, digestType, parseInt(maxLength, 10))
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);
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}
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url = url
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.replace(/\[ext\]/gi, () => ext)
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.replace(/\[name\]/gi, () => basename)
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.replace(/\[path\]/gi, () => directory)
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.replace(/\[folder\]/gi, () => folder)
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.replace(/\[query\]/gi, () => query);
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if (regExp && loaderContext.resourcePath) {
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const match = loaderContext.resourcePath.match(new RegExp(regExp));
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match &&
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match.forEach((matched, i) => {
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url = url.replace(new RegExp("\\[" + i + "\\]", "ig"), matched);
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});
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}
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if (
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typeof loaderContext.options === "object" &&
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typeof loaderContext.options.customInterpolateName === "function"
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) {
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url = loaderContext.options.customInterpolateName.call(
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loaderContext,
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url,
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name,
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options
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);
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}
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return url;
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}
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module.exports = interpolateName;
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