@flowlab/event/dist/cli/index.mjs

FlowLab event-driven system

#!/usr/bin/env node

// src/bus/EventBus.ts
var EventBus = class {
  handlers = /* @__PURE__ */ new Map();
  /**
   * 触发事件
   * @param eventName - 事件名称
   * @param payload - 事件数据
   */
  async emit(eventName, payload) {
    const handlers = this.handlers.get(eventName);
    if (handlers) {
      for (const handler of handlers) {
        try {
          await handler(payload);
        } catch (err) {
          console.error(`[FlowLab EventBus] Error handling event ${eventName}`, err);
        }
      }
    }
  }
  /**
   * 绑定事件处理器
   * @param eventName - 事件名称
   * @param handler - 事件处理函数
   */
  on(eventName, handler) {
    if (!this.handlers.has(eventName)) {
      this.handlers.set(eventName, /* @__PURE__ */ new Set());
    }
    this.handlers.get(eventName)?.add(handler);
  }
  /**
   * 解绑事件处理器
   * @param eventName - 事件名称
   * @param handler - 事件处理函数
   */
  off(eventName, handler) {
    this.handlers.get(eventName)?.delete(handler);
  }
};

// src/bus/InMemoryBus.ts
var InMemoryBus = class extends EventBus {
  running = false;
  async start() {
    this.running = true;
    console.log("[FlowLab] \u2705 InMemory EventBus started successfully");
  }
  async stop() {
    this.running = false;
    console.log("[FlowLab] \u{1F6D1} InMemory EventBus stopped");
  }
  isRunning() {
    return this.running;
  }
};

// src/internal/context.ts
var currentEventBus = new InMemoryBus();
function getCurrentEventBus() {
  return currentEventBus;
}

// src/api/emitEvents.ts
async function emitEvent(eventName, payload) {
  const bus = getCurrentEventBus();
  await bus.emit(eventName, payload);
}

// src/cli/index.ts
import { cac } from "cac";
import colors from "picocolors";

// package.json
var package_default = {
  name: "@flowlab/event",
  version: "0.1.0",
  description: "FlowLab event-driven system",
  main: "dist/index.js",
  types: "dist/index.d.ts",
  bin: {
    "flow-event": "./dist/cli/index.js"
  },
  exports: {
    ".": {
      import: "./dist/index.js",
      require: "./dist/index.js"
    }
  },
  files: [
    "dist"
  ],
  scripts: {
    build: "tsup --config tsup.config.ts",
    dev: "tsup src/index.ts --watch",
    test: "jest"
  },
  keywords: [
    "event",
    "event-driven",
    "event-bus",
    "event-emitter",
    "event-handler",
    "event-listener",
    "event-dispatcher"
  ],
  author: "luke king",
  license: "MIT",
  dependencies: {
    cac: "^6.7.14",
    eventemitter3: "^5.0.1",
    ioredis: "^5.6.0",
    picocolors: "^1.1.1"
  },
  devDependencies: {
    "@types/jest": "^29.5.14",
    jest: "^29.7.0",
    "ts-jest": "^29.3.0",
    tsup: "^7.2.0",
    typescript: "^5.3.3"
  }
};

// src/cli/index.ts
import pc from "picocolors";
var cli = cac("flowlab-event");
cli.version(package_default.version).help();
cli.command("emit <event> [data]", "\u89E6\u53D1\u4E00\u4E2A\u4E8B\u4EF6\uFF08JSON \u5B57\u7B26\u4E32\u6216\u6587\u4EF6\uFF09").option("--pretty", "\u7F8E\u5316\u8F93\u51FA").action(async (eventName, data, options) => {
  console.log(colors.cyan(`
\u{1F680} \u6B63\u5728\u89E6\u53D1\u4E8B\u4EF6: ${colors.bold(eventName)}
`));
  let parsed = {};
  try {
    parsed = JSON.parse(data);
  } catch (e) {
    console.warn(colors.yellow("\u26A0\uFE0F \u53C2\u6570\u4E0D\u662F\u6709\u6548 JSON\uFF0C\u4F7F\u7528\u7A7A\u5BF9\u8C61\u66FF\u4EE3"));
  }
  try {
    await emitEvent(eventName, parsed);
    console.log(colors.green(`\u2705 \u5DF2\u6210\u529F\u89E6\u53D1\u4E8B\u4EF6 ${eventName}`));
  } catch (err) {
    console.error(colors.red(`\u274C \u89E6\u53D1\u5931\u8D25: ${err.message}`));
    process.exit(1);
  }
});
cli.command("welcome", "\u663E\u793A\u6B22\u8FCE\u4FE1\u606F").action(() => {
  console.log("\n" + pc.bold(pc.cyan("\u{1F389} \u6B22\u8FCE\u4F7F\u7528 FlowLab CLI - \u4E8B\u4EF6\u5F15\u64CE\u6A21\u5757")));
  console.log(pc.dim("--------------------------------------------"));
  console.log(pc.blue(`\u{1F4E6} \u6A21\u5757\u540D: ${package_default.name}`));
  console.log(pc.green(`\u{1F527} \u7248\u672C\u53F7: v${package_default.version}`));
  console.log(pc.yellow("\u{1F464} \u4F5C\u8005: Luke"));
  console.log(pc.magenta("\u{1F4D8} \u6587\u6863: https://github.com/countstarss/flowlab"));
  console.log(pc.dim("--------------------------------------------"));
  console.log(pc.cyan("\n\u{1F680} \u4F60\u53EF\u4EE5\u5F00\u59CB\u4F7F\u7528\u5982\u4E0B\u547D\u4EE4:"));
  console.log(pc.dim(`   $ event emit user.signup '{"email": "test@example.com"}'`));
  console.log("\n");
});
cli.parse();
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