constatic/build/cli/env.js

Constatic is a CLI for creating and managing modern TypeScript projects, providing an organized structure and features that streamline development.

// src/cli/env.ts
import { mkdir, readFile, writeFile } from "node:fs/promises";
import { dirname } from "node:path";

class EnvManager {
  filepath;
  data = {};
  get vars() {
    return Object.entries(this.data).reduce((obj, [k, v]) => {
      if (v !== undefined)
        obj[k] = v;
      return obj;
    }, {});
  }
  constructor(path) {
    this.filepath = path;
  }
  async load() {
    try {
      const content = await readFile(this.filepath, "utf-8");
      const parsed = EnvManager.parse(content);
      this.data = { ...parsed, ...this.data };
    } catch {}
  }
  set(key, value) {
    this.data[key] = value ?? "";
  }
  remove(key) {
    delete this.data[key];
  }
  unset(key) {
    if (this.data[key] !== undefined) {
      this.data[key] = "";
    }
  }
  update([key, _schema, value]) {
    this.set(key, value);
  }
  async save() {
    await mkdir(dirname(this.filepath), { recursive: true });
    await this.load();
    const content = this.stringify(this.data);
    await writeFile(this.filepath, content, "utf-8");
  }
  async createExample(filePath) {
    const exampleData = {};
    for (const key of Object.keys(this.data)) {
      exampleData[key] = "";
    }
    const content = this.stringify(exampleData);
    await writeFile(filePath, content, "utf-8");
  }
  static parse(content) {
    const lines = content.split(/\r?\n/);
    const data = {};
    for (const line of lines) {
      const trimmed = line.trim();
      if (!trimmed || trimmed.startsWith("#"))
        continue;
      const [key, ...rest] = trimmed.split("=");
      const value = rest.join("=");
      data[key] = value || data[key];
    }
    return data;
  }
  stringify(data) {
    return Object.entries(data).map(([key, value]) => `${key}=${value ?? ""}`).join(`
`);
  }
}
export {
  EnvManager
};