Function resolveToFullPath

scripts/helpers.mjs:179–275

(module, importStatement, base, pathsDictionary, exact, wildcard, forceExt, possibleExtensions)

}

export function resolveToFullPath(module, importStatement, base, pathsDictionary, exact, wildcard, forceExt, possibleExtensions) {
    const node_m = 'node_modules';
    const isAliased = isAliasedPath(importStatement, exact, wildcard);
    const includesNodeModule = importStatement.includes(node_m);
    if (!isRelativeImport(importStatement) && !isAliased) {
        // dont change, this is a npm module import
        return importStatement;
    }
    // relative import or aliased
    if (importStatement.includes(node_m)) {
        const pos = importStatement.lastIndexOf(node_m);
        return importStatement.slice(pos + node_m.length + 1);
    }
    let aliasRelativePath;
    if (isAliased) {
        if (importStatement === '@rng/knuth-taocp-2002'){
            const n = 1;
        }
        const resolved = resolveAliasPaths(importStatement, pathsDictionary, base, exact, wildcard, possibleExtensions)
        if (resolved === importStatement) { // could not be resolved (assume it is node modules or dev forgot to alias in tsconfig.json)
            return resolved;
        }
        if (!resolved) { // because of error (some path element replacement does not exist or no read access)
            return importStatement;
        }
        if (typeof resolved !== 'string') {
            return;
        }
        aliasRelativePath = relative(dirname(module), resolved);
        if (aliasRelativePath[0] !== '.'){
            aliasRelativePath = './' + aliasRelativePath;
        }
    }
    const finalImportStatement = aliasRelativePath || importStatement;
    // possible physical location of a file
    const candidate = resolve(dirname(module), finalImportStatement);
    // is it a dir ?

    let lstat = {
        isDirectory() {
            return false;
        }
    };
    try {
        lstat = lstatSync(candidate);
    } catch (err) {
        // nothing
    }

    if (lstat.isDirectory()) {
        // try index import
        const dirEntries = readdirSync(candidate);
        let indexTSFileExists = '';
        let packageJSONExists = '';
        let indexFileExists = '';
        for (const dirEntry of dirEntries) {
            if (dirEntry === 'index.ts') {
                indexTSFileExists = dirEntry;