functionalscript/dev/module.f.js

FunctionalScript is a purely functional subset of JavaScript

import { updateVersion } from "./version/module.f.js";
export const todo = () => { throw 'not implemented'; };
const cmp = ([a], [b]) => a < b ? -1 : a > b ? 1 : 0;
export const env = ({ process: { env } }) => a => {
    const r = Object.getOwnPropertyDescriptor(env, a);
    return r === undefined ? undefined :
        typeof r.get === 'function' ? r.get() :
            r.value;
};
export const allFiles = (io) => (s) => {
    const { fs: { promises: { readdir } }, process: { cwd } } = io;
    const load = async (p) => {
        let result = [];
        for (const i of await readdir(p, { withFileTypes: true })) {
            const { name } = i;
            if (name.startsWith('.')) {
                continue;
            }
            const file = `${p}/${name}`;
            if (i.isDirectory()) {
                if (name === 'node_modules') {
                    continue;
                }
                result = [...result, ...await load(file)];
                continue;
            }
            if (name.endsWith('.js') || name.endsWith('.ts')) {
                result = [...result, file];
            }
        }
        return result;
    };
    return load(s);
};
export const loadModuleMap = async (io) => {
    const { fs: { existsSync }, asyncImport } = io;
    let map = [];
    const initCwd = env(io)('INIT_CWD');
    const s = initCwd === undefined ? '.' : `${initCwd.replaceAll('\\', '/')}`;
    for (const f of await allFiles(io)(s)) {
        if (f.endsWith('.f.js') ||
            (f.endsWith('.f.ts') && !existsSync(f.substring(0, f.length - 3) + '.js'))) {
            const source = await asyncImport(f);
            map = [...map, [f, source]];
        }
    }
    return Object.fromEntries(map.toSorted(cmp));
};
export const index = async (io) => {
    updateVersion(io);
    const jj = './deno.json';
    const jsr_json = JSON.parse(await io.fs.promises.readFile(jj, 'utf8'));
    const list = (await allFiles(io)('.')).filter(v => v.endsWith('/module.f.ts') || v.endsWith('/module.ts'));
    //console.log(list)
    const exportsA = list.map(v => [v, `./${v.substring(2)}`]);
    // console.log(exportsA)
    const exports = Object.fromEntries(exportsA);
    // console.log(exports)
    const json = JSON.stringify({ ...jsr_json, exports }, null, 2);
    // console.log(json)
    await io.fs.promises.writeFile(jj, json, 'utf8');
    return 0;
};