derw/build/cli/init.js

An Elm-inspired language that transpiles to TypeScript

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.init = init;
const baner_1 = require("@eeue56/baner");
const promises_1 = require("fs/promises");
const path_1 = __importDefault(require("path"));
const package_1 = require("../package");
const utils_1 = require("./utils");
const initParser = (0, baner_1.parser)([
    (0, baner_1.longFlag)("dir", "name of a directory to use as package name e.g stdlib. Defaults to current directory's name", (0, baner_1.string)()),
    (0, baner_1.bothFlag)("h", "help", "This help text", (0, baner_1.empty)()),
]);
function showInfoHelp() {
    console.log("Initialize a directory as a Derw project.");
    console.log((0, baner_1.help)(initParser));
}
async function copyTSconfig(dir) {
    const tsconfig = {
        compilerOptions: {
            target: "es2017",
            module: "commonjs",
            declaration: true,
            outDir: "./build/",
            rootDirs: ["src"],
            strict: true,
            moduleResolution: "node",
            types: ["node"],
            esModuleInterop: true,
            skipLibCheck: true,
            forceConsistentCasingInFileNames: true,
        },
        include: ["src/**/*"],
        exclude: ["node_modules/**"],
    };
    if (await (0, utils_1.fileExists)(path_1.default.join(dir, "tsconfig.json"))) {
        console.log("Already got a tsconfig!");
        process.exit(1);
    }
    await (0, promises_1.writeFile)(path_1.default.join(dir, "tsconfig.json"), JSON.stringify(tsconfig, null, 4));
}
async function appendGitIgnore(dir) {
    let gitIgnore = "";
    const gitIgnorePath = path_1.default.join(dir, ".gitignore");
    try {
        gitIgnore = await (await (0, promises_1.readFile)(gitIgnorePath)).toString();
    }
    catch (e) { }
    gitIgnore =
        gitIgnore +
            `

# derw

derw-packages/
src/**/*.ts
`;
    await (0, promises_1.writeFile)(gitIgnorePath, gitIgnore);
}
async function appendGitAttributes(dir) {
    let gitAttributes = "";
    const gitAttributesPath = path_1.default.join(dir, ".gitattributes");
    try {
        gitAttributes = await (await (0, promises_1.readFile)(gitAttributesPath)).toString();
    }
    catch (e) { }
    gitAttributes =
        gitAttributes +
            `
*.derw linguist-language=Elm
*.derw gitlab-language=elm
`.trim();
    await (0, promises_1.writeFile)(gitAttributesPath, gitAttributes);
}
async function init(isInPackageDirectory, argv) {
    const program = (0, baner_1.parse)(initParser, argv);
    if (program.flags["h/help"].isPresent) {
        showInfoHelp();
        return;
    }
    const errors = (0, baner_1.allErrors)(program);
    if (errors.length > 0) {
        console.log("Errors:");
        console.log(errors.join("\n"));
        process.exit(1);
    }
    const dir = program.flags.dir.isPresent && program.flags.dir.arguments.kind === "Ok"
        ? program.flags.dir.arguments.value
        : process.cwd();
    const packageName = path_1.default.basename(dir);
    const package_ = (0, package_1.Package)(packageName, [], []);
    const isAlreadyAPackage = await (0, utils_1.fileExists)(path_1.default.join(dir, "derw-package.json"));
    if (isAlreadyAPackage) {
        console.log("Package already initialized!");
        process.exit(-1);
    }
    await (0, promises_1.writeFile)(path_1.default.join(dir, "derw-package.json"), (0, package_1.exportPackage)(package_));
    await copyTSconfig(dir);
    await appendGitIgnore(dir);
    await appendGitAttributes(dir);
    await (0, utils_1.ensureDirectoryExists)(path_1.default.join(dir, "src"));
    console.log("Project initialized!");
    console.log("Put your files in `src`");
    console.log("Compile your project via `derw compile`");
    console.log("Run tests via `derw test`");
}