tsconfig-replace-paths/dist/commonjs/config.js

Replace absolute paths to relative paths for package compilation

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.mapPaths = mapPaths;
exports.loadConfig = loadConfig;
const path = require('path');
const fs = require('fs');
const JSON5 = require('json5');
function mapPaths(paths, mapper) {
    const dest = {};
    Object.keys(paths).forEach(function (key) {
        dest[key] = paths[key].map(mapper);
    });
    return dest;
}
function resolveConfigFile(configDir, extendsPath) {
    const relativeCandidate = path.resolve(configDir, extendsPath);
    const currentExtension = path.extname(relativeCandidate);
    let localConfigFile = path.format({
        name: relativeCandidate,
        ext: currentExtension === '' ? '.json' : '',
    });
    if (/\.json\.json$/.test(localConfigFile)) {
        localConfigFile = localConfigFile.replace(/\.json\.json$/, '.json');
    }
    if (fs.existsSync(localConfigFile)) {
        return localConfigFile;
    }
    try {
        return require.resolve(extendsPath, { paths: [configDir] });
    }
    catch (_a) {
        return localConfigFile;
    }
}
function loadConfig(file) {
    const fileToParse = fs.readFileSync(file);
    const parsedJsonFile = JSON5.parse(fileToParse);
    const { extends: extendsPath, compilerOptions: { baseUrl, outDir, rootDir, paths } = {
        baseUrl: undefined,
        outDir: undefined,
        rootDir: undefined,
        paths: undefined,
    }, } = parsedJsonFile;
    const config = {};
    if (baseUrl) {
        config.baseUrl = baseUrl;
    }
    if (outDir) {
        config.outDir = outDir;
    }
    if (rootDir) {
        config.rootDir = rootDir;
    }
    if (paths) {
        config.paths = paths;
    }
    if (extendsPath) {
        const childConfigDirPath = path.dirname(file);
        const parentExtendedConfigFile = resolveConfigFile(childConfigDirPath, extendsPath);
        const parentConfigDirPath = path.dirname(parentExtendedConfigFile);
        const parentConfig = loadConfig(parentExtendedConfigFile);
        if (parentConfig.baseUrl) {
            parentConfig.baseUrl = path.resolve(parentConfigDirPath, parentConfig.baseUrl);
        }
        return Object.assign(Object.assign({}, parentConfig), config);
    }
    return config;
}