@bleed-believer/path-alias/dist/tool/swc-transpiler/get-out-path.js

Assign path alias using tsconfig.json file

import { dirname, resolve } from "path";
export function getOutPath(path, tsConfigResult) {
    let outPath = path;
    const cwd = dirname(tsConfigResult.path);
    const outDir = tsConfigResult.config.compilerOptions?.outDir;
    const rootDir = tsConfigResult.config.compilerOptions?.rootDir;
    const rootDirs = tsConfigResult.config.compilerOptions?.rootDirs;
    if (typeof outDir === 'string') {
        const rootDirsIndex = rootDirs?.map((x)=>resolve(cwd, x))?.findIndex((x)=>outPath.startsWith(x)) ?? -1;
        const outDirPath = resolve(cwd, outDir);
        const rootDirPath = typeof rootDir === 'string' ? resolve(cwd, rootDir) : undefined;
        if (rootDirsIndex >= 0) {
            const innerDir = rootDirs[rootDirsIndex];
            outPath = outPath.replace(resolve(cwd, innerDir), resolve(cwd, outDir, innerDir));
        } else if (typeof rootDirPath === 'string' && outPath.startsWith(rootDirPath)) {
            outPath = outPath.replace(rootDirPath, outDirPath);
        }
    }
    return outPath.replace(/(?<=\.(m|c)?)t(?=s$)/gi, 'j');
}