source: trip-planner-front/node_modules/webpack/lib/ModuleFilenameHelpers.js@ 84d0fbb

/*
        MIT License http://www.opensource.org/licenses/mit-license.php
        Author Tobias Koppers @sokra
*/

"use strict";

const createHash = require("./util/createHash");
const memoize = require("./util/memoize");

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;

const getAfter = (strFn, token) => {
        return () => {
                const str = strFn();
                const idx = str.indexOf(token);
                return idx < 0 ? "" : str.substr(idx);
        };
};

const getBefore = (strFn, token) => {
        return () => {
                const str = strFn();
                const idx = str.lastIndexOf(token);
                return idx < 0 ? "" : str.substr(0, idx);
        };
};

const getHash = strFn => {
        return () => {
                const hash = createHash("md4");
                hash.update(strFn());
                const digest = /** @type {string} */ (hash.digest("hex"));
                return digest.substr(0, 4);
        };
};

const asRegExp = test => {
        if (typeof test === "string") {
                test = new RegExp("^" + test.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&"));
        }
        return test;
};

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 REGEXP = /\[\\*([\w-]+)\\*\]/gi;

ModuleFilenameHelpers.createFilename = (
        module,
        options,
        { requestShortener, chunkGraph }
) => {
        const opts = {
                namespace: "",
                moduleFilenameTemplate: "",
                ...(typeof options === "object"
                        ? options
                        : {
                                        moduleFilenameTemplate: options
                          })
        };

        let absoluteResourcePath;
        let hash;
        let identifier;
        let moduleId;
        let shortIdentifier;
        if (module === undefined) module = "";
        if (typeof module === "string") {
                shortIdentifier = memoize(() => requestShortener.shorten(module));
                identifier = shortIdentifier;
                moduleId = () => "";
                absoluteResourcePath = () => module.split("!").pop();
                hash = getHash(identifier);
        } else {
                shortIdentifier = memoize(() =>
                        module.readableIdentifier(requestShortener)
                );
                identifier = memoize(() => requestShortener.shorten(module.identifier()));
                moduleId = () => chunkGraph.getModuleId(module);
                absoluteResourcePath = () => module.identifier().split("!").pop();
                hash = getHash(identifier);
        }
        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),
                                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(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;
                });
};

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;
                }
        });
};

ModuleFilenameHelpers.matchPart = (str, test) => {
        if (!test) return true;
        test = asRegExp(test);
        if (Array.isArray(test)) {
                return test.map(asRegExp).some(regExp => regExp.test(str));
        } else {
                return test.test(str);
        }
};

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;
};