tsro/dist/tsro.js

TypeScript Remove Orphaned (tsro) is a CLI utility and library for TypeScript projects that detects and removes files containing invalid imports — imports that refer to nonexistent entities or nonexistent modules.

import pc from "picocolors";
import ts from "typescript";
import { cwd } from "node:process";
import { relative } from "node:path";
import { CliOutput } from "./utils/cliOutput.js";
import { formatCount } from "./utils/formatCount.js";
import { loadTSConfig } from "./utils/loadTsConfig.js";
import { createNodeJsLogger } from "./utils/logger.js";
import { CliError, CliResultError } from "./utils/error.js";
import { collectDiagnostics } from "./modules/diagnostics.js";
const relativeToCwd = (fileName) => relative(cwd(), fileName).replaceAll("\\", "/");
export const tsro = async (config) => {
    const { mode, configFile = "tsconfig.json", projectRoot = cwd(), system = ts.sys, logger = createNodeJsLogger(), ignoreLibImports = true, } = config;
    const { options, fileNames, configPath, error } = await loadTSConfig(projectRoot, configFile, system);
    if (fileNames.length === 0) {
        logger.write(pc.red(pc.bold("There are no files in the project\n")));
        throw new CliError();
    }
    logger.write(`${pc.blue("tsconfig")} ${error ? "using default options" : relativeToCwd(configPath)}\n`);
    logger.write(pc.gray(`Project has ${formatCount(fileNames.length, "file")}\n`));
    const output = new CliOutput({ logger, mode, projectRoot });
    const diagnostics = collectDiagnostics({
        fileNames,
        options,
        ignoreLibImports,
    });
    for (const diagnostic of diagnostics) {
        if (mode == "write") {
            system.deleteFile?.(diagnostic.file);
        }
        output.deleteFile(diagnostic);
    }
    const { code } = output.done();
    if (code !== 0) {
        throw new CliResultError();
    }
};