resolve-tspaths/dist/steps/computeAliases.js

Transform path mappings in your compiled Typescript code

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.computeAliases = computeAliases;
const path_1 = require("path");
const errors_1 = require("../utils/errors");
/**
 * Compute the alias paths provided by the tsconfig.
 */
function computeAliases(basePath, paths) {
    const regex = /\*$/;
    const aliases = Object.keys(paths).map((alias) => ({
        alias,
        prefix: alias.replace(regex, ""),
        aliasPaths: paths[alias].map((path) => (0, path_1.resolve)(basePath, path.replace(regex, ""))),
    }));
    // Ensure that aliases do not start with a relative path
    // This will lead to unknown behaviour, and why would you use ./ or ../ as an alias anyway?
    for (const { alias } of aliases) {
        if (alias.startsWith("./") || alias.startsWith("../"))
            throw new errors_1.InvalidAliasError(computeAliases.name, alias);
    }
    return aliases;
}