388 lines
13 KiB
JavaScript
388 lines
13 KiB
JavaScript
/*
|
|
MIT License http://www.opensource.org/licenses/mit-license.php
|
|
Author Tobias Koppers @sokra
|
|
*/
|
|
|
|
"use strict";
|
|
|
|
const NormalModule = require("./NormalModule");
|
|
const createHash = require("./util/createHash");
|
|
const memoize = require("./util/memoize");
|
|
|
|
/** @typedef {import("./ChunkGraph")} ChunkGraph */
|
|
/** @typedef {import("./Module")} Module */
|
|
/** @typedef {import("./RequestShortener")} RequestShortener */
|
|
/** @typedef {typeof import("./util/Hash")} Hash */
|
|
|
|
/** @typedef {string | RegExp | (string | RegExp)[]} Matcher */
|
|
/** @typedef {{test?: Matcher, include?: Matcher, exclude?: Matcher }} MatchObject */
|
|
|
|
const ModuleFilenameHelpers = exports;
|
|
|
|
// TODO webpack 6: consider removing these
|
|
ModuleFilenameHelpers.ALL_LOADERS_RESOURCE = "[all-loaders][resource]";
|
|
ModuleFilenameHelpers.REGEXP_ALL_LOADERS_RESOURCE =
|
|
/\[all-?loaders\]\[resource\]/gi;
|
|
ModuleFilenameHelpers.LOADERS_RESOURCE = "[loaders][resource]";
|
|
ModuleFilenameHelpers.REGEXP_LOADERS_RESOURCE = /\[loaders\]\[resource\]/gi;
|
|
ModuleFilenameHelpers.RESOURCE = "[resource]";
|
|
ModuleFilenameHelpers.REGEXP_RESOURCE = /\[resource\]/gi;
|
|
ModuleFilenameHelpers.ABSOLUTE_RESOURCE_PATH = "[absolute-resource-path]";
|
|
// cSpell:words olute
|
|
ModuleFilenameHelpers.REGEXP_ABSOLUTE_RESOURCE_PATH =
|
|
/\[abs(olute)?-?resource-?path\]/gi;
|
|
ModuleFilenameHelpers.RESOURCE_PATH = "[resource-path]";
|
|
ModuleFilenameHelpers.REGEXP_RESOURCE_PATH = /\[resource-?path\]/gi;
|
|
ModuleFilenameHelpers.ALL_LOADERS = "[all-loaders]";
|
|
ModuleFilenameHelpers.REGEXP_ALL_LOADERS = /\[all-?loaders\]/gi;
|
|
ModuleFilenameHelpers.LOADERS = "[loaders]";
|
|
ModuleFilenameHelpers.REGEXP_LOADERS = /\[loaders\]/gi;
|
|
ModuleFilenameHelpers.QUERY = "[query]";
|
|
ModuleFilenameHelpers.REGEXP_QUERY = /\[query\]/gi;
|
|
ModuleFilenameHelpers.ID = "[id]";
|
|
ModuleFilenameHelpers.REGEXP_ID = /\[id\]/gi;
|
|
ModuleFilenameHelpers.HASH = "[hash]";
|
|
ModuleFilenameHelpers.REGEXP_HASH = /\[hash\]/gi;
|
|
ModuleFilenameHelpers.NAMESPACE = "[namespace]";
|
|
ModuleFilenameHelpers.REGEXP_NAMESPACE = /\[namespace\]/gi;
|
|
|
|
/**
|
|
* Returns a function that returns the part of the string after the token
|
|
* @param {() => string} strFn the function to get the string
|
|
* @param {string} token the token to search for
|
|
* @returns {() => string} a function that returns the part of the string after the token
|
|
*/
|
|
const getAfter = (strFn, token) => {
|
|
return () => {
|
|
const str = strFn();
|
|
const idx = str.indexOf(token);
|
|
return idx < 0 ? "" : str.slice(idx);
|
|
};
|
|
};
|
|
|
|
/**
|
|
* Returns a function that returns the part of the string before the token
|
|
* @param {() => string} strFn the function to get the string
|
|
* @param {string} token the token to search for
|
|
* @returns {() => string} a function that returns the part of the string before the token
|
|
*/
|
|
const getBefore = (strFn, token) => {
|
|
return () => {
|
|
const str = strFn();
|
|
const idx = str.lastIndexOf(token);
|
|
return idx < 0 ? "" : str.slice(0, idx);
|
|
};
|
|
};
|
|
|
|
/**
|
|
* Returns a function that returns a hash of the string
|
|
* @param {() => string} strFn the function to get the string
|
|
* @param {string | Hash} hashFunction the hash function to use
|
|
* @returns {() => string} a function that returns the hash of the string
|
|
*/
|
|
const getHash = (strFn, hashFunction) => {
|
|
return () => {
|
|
const hash = createHash(hashFunction);
|
|
hash.update(strFn());
|
|
const digest = /** @type {string} */ (hash.digest("hex"));
|
|
return digest.slice(0, 4);
|
|
};
|
|
};
|
|
|
|
/**
|
|
* Returns a function that returns the string with the token replaced with the replacement
|
|
* @param {string|RegExp} test A regular expression string or Regular Expression object
|
|
* @returns {RegExp} A regular expression object
|
|
* @example
|
|
* ```js
|
|
* const test = asRegExp("test");
|
|
* test.test("test"); // true
|
|
*
|
|
* const test2 = asRegExp(/test/);
|
|
* test2.test("test"); // true
|
|
* ```
|
|
*/
|
|
const asRegExp = test => {
|
|
if (typeof test === "string") {
|
|
// Escape special characters in the string to prevent them from being interpreted as special characters in a regular expression. Do this by
|
|
// adding a backslash before each special character
|
|
test = new RegExp("^" + test.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&"));
|
|
}
|
|
return test;
|
|
};
|
|
|
|
/**
|
|
* @template T
|
|
* Returns a lazy object. The object is lazy in the sense that the properties are
|
|
* only evaluated when they are accessed. This is only obtained by setting a function as the value for each key.
|
|
* @param {Record<string, () => T>} obj the object to covert to a lazy access object
|
|
* @returns {Object} the lazy access object
|
|
*/
|
|
const lazyObject = obj => {
|
|
const newObj = {};
|
|
for (const key of Object.keys(obj)) {
|
|
const fn = obj[key];
|
|
Object.defineProperty(newObj, key, {
|
|
get: () => fn(),
|
|
set: v => {
|
|
Object.defineProperty(newObj, key, {
|
|
value: v,
|
|
enumerable: true,
|
|
writable: true
|
|
});
|
|
},
|
|
enumerable: true,
|
|
configurable: true
|
|
});
|
|
}
|
|
return newObj;
|
|
};
|
|
|
|
const SQUARE_BRACKET_TAG_REGEXP = /\[\\*([\w-]+)\\*\]/gi;
|
|
|
|
/**
|
|
*
|
|
* @param {Module | string} module the module
|
|
* @param {TODO} options options
|
|
* @param {Object} contextInfo context info
|
|
* @param {RequestShortener} contextInfo.requestShortener requestShortener
|
|
* @param {ChunkGraph} contextInfo.chunkGraph chunk graph
|
|
* @param {string | Hash} contextInfo.hashFunction the hash function to use
|
|
* @returns {string} the filename
|
|
*/
|
|
ModuleFilenameHelpers.createFilename = (
|
|
module = "",
|
|
options,
|
|
{ requestShortener, chunkGraph, hashFunction = "md4" }
|
|
) => {
|
|
const opts = {
|
|
namespace: "",
|
|
moduleFilenameTemplate: "",
|
|
...(typeof options === "object"
|
|
? options
|
|
: {
|
|
moduleFilenameTemplate: options
|
|
})
|
|
};
|
|
|
|
let absoluteResourcePath;
|
|
let hash;
|
|
let identifier;
|
|
let moduleId;
|
|
let shortIdentifier;
|
|
if (typeof module === "string") {
|
|
shortIdentifier = memoize(() => requestShortener.shorten(module));
|
|
identifier = shortIdentifier;
|
|
moduleId = () => "";
|
|
absoluteResourcePath = () => module.split("!").pop();
|
|
hash = getHash(identifier, hashFunction);
|
|
} else {
|
|
shortIdentifier = memoize(() =>
|
|
module.readableIdentifier(requestShortener)
|
|
);
|
|
identifier = memoize(() => requestShortener.shorten(module.identifier()));
|
|
moduleId = () => chunkGraph.getModuleId(module);
|
|
absoluteResourcePath = () =>
|
|
module instanceof NormalModule
|
|
? module.resource
|
|
: module.identifier().split("!").pop();
|
|
hash = getHash(identifier, hashFunction);
|
|
}
|
|
const resource = memoize(() => shortIdentifier().split("!").pop());
|
|
|
|
const loaders = getBefore(shortIdentifier, "!");
|
|
const allLoaders = getBefore(identifier, "!");
|
|
const query = getAfter(resource, "?");
|
|
const resourcePath = () => {
|
|
const q = query().length;
|
|
return q === 0 ? resource() : resource().slice(0, -q);
|
|
};
|
|
if (typeof opts.moduleFilenameTemplate === "function") {
|
|
return opts.moduleFilenameTemplate(
|
|
lazyObject({
|
|
identifier: identifier,
|
|
shortIdentifier: shortIdentifier,
|
|
resource: resource,
|
|
resourcePath: memoize(resourcePath),
|
|
absoluteResourcePath: memoize(absoluteResourcePath),
|
|
loaders: memoize(loaders),
|
|
allLoaders: memoize(allLoaders),
|
|
query: memoize(query),
|
|
moduleId: memoize(moduleId),
|
|
hash: memoize(hash),
|
|
namespace: () => opts.namespace
|
|
})
|
|
);
|
|
}
|
|
|
|
// TODO webpack 6: consider removing alternatives without dashes
|
|
/** @type {Map<string, function(): string>} */
|
|
const replacements = new Map([
|
|
["identifier", identifier],
|
|
["short-identifier", shortIdentifier],
|
|
["resource", resource],
|
|
["resource-path", resourcePath],
|
|
// cSpell:words resourcepath
|
|
["resourcepath", resourcePath],
|
|
["absolute-resource-path", absoluteResourcePath],
|
|
["abs-resource-path", absoluteResourcePath],
|
|
// cSpell:words absoluteresource
|
|
["absoluteresource-path", absoluteResourcePath],
|
|
// cSpell:words absresource
|
|
["absresource-path", absoluteResourcePath],
|
|
// cSpell:words resourcepath
|
|
["absolute-resourcepath", absoluteResourcePath],
|
|
// cSpell:words resourcepath
|
|
["abs-resourcepath", absoluteResourcePath],
|
|
// cSpell:words absoluteresourcepath
|
|
["absoluteresourcepath", absoluteResourcePath],
|
|
// cSpell:words absresourcepath
|
|
["absresourcepath", absoluteResourcePath],
|
|
["all-loaders", allLoaders],
|
|
// cSpell:words allloaders
|
|
["allloaders", allLoaders],
|
|
["loaders", loaders],
|
|
["query", query],
|
|
["id", moduleId],
|
|
["hash", hash],
|
|
["namespace", () => opts.namespace]
|
|
]);
|
|
|
|
// TODO webpack 6: consider removing weird double placeholders
|
|
return opts.moduleFilenameTemplate
|
|
.replace(ModuleFilenameHelpers.REGEXP_ALL_LOADERS_RESOURCE, "[identifier]")
|
|
.replace(
|
|
ModuleFilenameHelpers.REGEXP_LOADERS_RESOURCE,
|
|
"[short-identifier]"
|
|
)
|
|
.replace(SQUARE_BRACKET_TAG_REGEXP, (match, content) => {
|
|
if (content.length + 2 === match.length) {
|
|
const replacement = replacements.get(content.toLowerCase());
|
|
if (replacement !== undefined) {
|
|
return replacement();
|
|
}
|
|
} else if (match.startsWith("[\\") && match.endsWith("\\]")) {
|
|
return `[${match.slice(2, -2)}]`;
|
|
}
|
|
return match;
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Replaces duplicate items in an array with new values generated by a callback function.
|
|
* The callback function is called with the duplicate item, the index of the duplicate item, and the number of times the item has been replaced.
|
|
* The callback function should return the new value for the duplicate item.
|
|
*
|
|
* @template T
|
|
* @param {T[]} array the array with duplicates to be replaced
|
|
* @param {(duplicateItem: T, duplicateItemIndex: number, numberOfTimesReplaced: number) => T} fn callback function to generate new values for the duplicate items
|
|
* @param {(firstElement:T, nextElement:T) => -1 | 0 | 1} [comparator] optional comparator function to sort the duplicate items
|
|
* @returns {T[]} the array with duplicates replaced
|
|
*
|
|
* @example
|
|
* ```js
|
|
* const array = ["a", "b", "c", "a", "b", "a"];
|
|
* const result = ModuleFilenameHelpers.replaceDuplicates(array, (item, index, count) => `${item}-${count}`);
|
|
* // result: ["a-1", "b-1", "c", "a-2", "b-2", "a-3"]
|
|
* ```
|
|
*/
|
|
ModuleFilenameHelpers.replaceDuplicates = (array, fn, comparator) => {
|
|
const countMap = Object.create(null);
|
|
const posMap = Object.create(null);
|
|
|
|
array.forEach((item, idx) => {
|
|
countMap[item] = countMap[item] || [];
|
|
countMap[item].push(idx);
|
|
posMap[item] = 0;
|
|
});
|
|
if (comparator) {
|
|
Object.keys(countMap).forEach(item => {
|
|
countMap[item].sort(comparator);
|
|
});
|
|
}
|
|
return array.map((item, i) => {
|
|
if (countMap[item].length > 1) {
|
|
if (comparator && countMap[item][0] === i) return item;
|
|
return fn(item, i, posMap[item]++);
|
|
} else {
|
|
return item;
|
|
}
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Tests if a string matches a RegExp or an array of RegExp.
|
|
*
|
|
* @param {string} str string to test
|
|
* @param {Matcher} test value which will be used to match against the string
|
|
* @returns {boolean} true, when the RegExp matches
|
|
*
|
|
* @example
|
|
* ```js
|
|
* ModuleFilenameHelpers.matchPart("foo.js", "foo"); // true
|
|
* ModuleFilenameHelpers.matchPart("foo.js", "foo.js"); // true
|
|
* ModuleFilenameHelpers.matchPart("foo.js", "foo."); // false
|
|
* ModuleFilenameHelpers.matchPart("foo.js", "foo*"); // false
|
|
* ModuleFilenameHelpers.matchPart("foo.js", "foo.*"); // true
|
|
* ModuleFilenameHelpers.matchPart("foo.js", /^foo/); // true
|
|
* ModuleFilenameHelpers.matchPart("foo.js", [/^foo/, "bar"]); // true
|
|
* ModuleFilenameHelpers.matchPart("foo.js", [/^foo/, "bar"]); // true
|
|
* ModuleFilenameHelpers.matchPart("foo.js", [/^foo/, /^bar/]); // true
|
|
* ModuleFilenameHelpers.matchPart("foo.js", [/^baz/, /^bar/]); // false
|
|
* ```
|
|
*/
|
|
ModuleFilenameHelpers.matchPart = (str, test) => {
|
|
if (!test) return true;
|
|
|
|
if (Array.isArray(test)) {
|
|
return test.map(asRegExp).some(regExp => regExp.test(str));
|
|
} else {
|
|
return asRegExp(test).test(str);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Tests if a string matches a match object. The match object can have the following properties:
|
|
* - `test`: a RegExp or an array of RegExp
|
|
* - `include`: a RegExp or an array of RegExp
|
|
* - `exclude`: a RegExp or an array of RegExp
|
|
*
|
|
* The `test` property is tested first, then `include` and then `exclude`.
|
|
*
|
|
* @param {MatchObject} obj a match object to test against the string
|
|
* @param {string} str string to test against the matching object
|
|
* @returns {boolean} true, when the object matches
|
|
* @example
|
|
* ```js
|
|
* ModuleFilenameHelpers.matchObject({ test: "foo.js" }, "foo.js"); // true
|
|
* ModuleFilenameHelpers.matchObject({ test: /^foo/ }, "foo.js"); // true
|
|
* ModuleFilenameHelpers.matchObject({ test: [/^foo/, "bar"] }, "foo.js"); // true
|
|
* ModuleFilenameHelpers.matchObject({ test: [/^foo/, "bar"] }, "baz.js"); // false
|
|
* ModuleFilenameHelpers.matchObject({ include: "foo.js" }, "foo.js"); // true
|
|
* ModuleFilenameHelpers.matchObject({ include: "foo.js" }, "bar.js"); // false
|
|
* ModuleFilenameHelpers.matchObject({ include: /^foo/ }, "foo.js"); // true
|
|
* ModuleFilenameHelpers.matchObject({ include: [/^foo/, "bar"] }, "foo.js"); // true
|
|
* ModuleFilenameHelpers.matchObject({ include: [/^foo/, "bar"] }, "baz.js"); // false
|
|
* ModuleFilenameHelpers.matchObject({ exclude: "foo.js" }, "foo.js"); // false
|
|
* ModuleFilenameHelpers.matchObject({ exclude: [/^foo/, "bar"] }, "foo.js"); // false
|
|
* ```
|
|
*/
|
|
ModuleFilenameHelpers.matchObject = (obj, str) => {
|
|
if (obj.test) {
|
|
if (!ModuleFilenameHelpers.matchPart(str, obj.test)) {
|
|
return false;
|
|
}
|
|
}
|
|
if (obj.include) {
|
|
if (!ModuleFilenameHelpers.matchPart(str, obj.include)) {
|
|
return false;
|
|
}
|
|
}
|
|
if (obj.exclude) {
|
|
if (ModuleFilenameHelpers.matchPart(str, obj.exclude)) {
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
};
|