feat: intergration with egg-ts-helper

.gitignore

@@ -13,6 +13,7 @@ test/fixtures/ts/node_modules/aliyun-egg/
 !test/fixtures/example/node_modules/
 !test/fixtures/example-ts-error-stack/node_modules/
 !test/fixtures/egg-require/node_modules/
+test/fixtures/example-ts-ets/typings/
 
 
 **/run/*.json

README.md

@@ -81,6 +81,7 @@ $ egg-bin dev
 - `--cluster` worker process number, skip this argvs will start only `1` worker, provide this without value will start `cpu` count worker.
 - `--sticky` start a sticky cluster server, default to `false`.
 - `--typescript` / `--ts` enable typescript support, default to `false`. Also support read from `package.json`'s `egg.typescript`.
+- `--declarations` / `--dts` enable [egg-ts-helper](https://github.com/whxaxes/egg-ts-helper) support, default to `false`. Also support read from `package.json`'s `egg.declarations`.
 - `--require` will add to `execArgv`, support multiple. Also support read from `package.json`'s `egg.require`
 
 ### debug

lib/command.js

@@ -21,6 +21,13 @@ class Command extends BaseCommand {
         alias: 'ts',
         default: undefined,
       },
+
+      declarations: {
+        description: 'whether create dts, will load `egg-ts-helper/register`',
+        type: 'boolean',
+        alias: 'dts',
+        default: undefined,
+      },
     };
   }
 
@@ -43,16 +50,21 @@ class Command extends BaseCommand {
     execArgvObj.require = execArgvObj.require || [];
 
     // read `egg.typescript` from package.json if not pass argv
-    if (argv.typescript === undefined && eggInfo && eggInfo.typescript === true) {
-      argv.typescript = true;
+    if (argv.typescript === undefined && eggInfo) {
+      argv.typescript = eggInfo.typescript === true;
+    }
+
+    // read `egg.declarations` from package.json if not pass argv
+    if (argv.declarations === undefined && eggInfo) {
+      argv.declarations = eggInfo.declarations === true;
     }
 
     // read `egg.require` from package.json
     if (eggInfo && eggInfo.require && Array.isArray(eggInfo.require)) {
       execArgvObj.require = execArgvObj.require.concat(eggInfo.require);
     }
 
-    // execArgv
+    // load ts-node
     if (argv.typescript) {
       execArgvObj.require.push(require.resolve('ts-node/register'));
 
@@ -66,6 +78,11 @@ class Command extends BaseCommand {
       env.TS_NODE_FILES = process.env.TS_NODE_FILES || 'true';
     }
 
+    // load egg-ts-helper
+    if (argv.declarations) {
+      execArgvObj.require.push(require.resolve('egg-ts-helper/register'));
+    }
+
     return context;
   }
 }

package.json

@@ -14,6 +14,7 @@
     "common-bin": "^2.7.3",
     "debug": "^3.1.0",
     "detect-port": "^1.2.3",
+    "egg-ts-helper": "^1.21.0",
     "egg-utils": "^2.4.0",
     "espower-typescript": "^9.0.1",
     "globby": "^8.0.1",

test/fixtures/example-ts-ets/app.ts

@@ -0,0 +1,17 @@
+import * as path from 'path';
+
+export default (app: Egg.Application) => {
+  let directory = path.resolve(app.baseDir, './app/model');
+  app.loader.loadToApp(directory, 'model', {
+    caseStyle: 'upper',
+    directory,
+  });
+
+  directory = path.resolve(app.baseDir, './app/custom');
+  app.loader.loadToApp(directory, 'custom', {
+    caseStyle: 'lower',
+    directory,
+  });
+
+  app.customLog();
+};

test/fixtures/example-ts-ets/app/controller/home.ts

@@ -0,0 +1,17 @@
+import { Controller } from 'egg';
+
+export default class HomeController extends Controller {
+  async index() {
+    const { ctx, app } = this;
+    ctx.customLog();
+    app.customLog();
+    ctx.request.customLog();
+    ctx.response.customLog();
+    ctx.helper.customLog();
+    console.info(app.config.otherBizConfig.type);
+    console.info(await ctx.service.db.fetch());
+    console.info(await app.model.User.get());
+    console.info('biz config', ctx.app.config.biz.type);
+    ctx.body = 'ok';
+  }
+}

test/fixtures/example-ts-ets/app/custom/test.ts

@@ -0,0 +1,5 @@
+export default () => {
+  return {
+    abc: '123',
+  };
+};

test/fixtures/example-ts-ets/app/extend/application.ts

@@ -0,0 +1,5 @@
+export default {
+  customLog() {
+    console.info('application log');
+  },
+};

test/fixtures/example-ts-ets/app/extend/context.ts

@@ -0,0 +1,5 @@
+export default {
+  customLog() {
+    console.info('context log');
+  },
+};

test/fixtures/example-ts-ets/app/extend/helper.ts

@@ -0,0 +1,5 @@
+export default {
+  customLog() {
+    console.info('helper log');
+  },
+};

test/fixtures/example-ts-ets/app/extend/request.ts

@@ -0,0 +1,5 @@
+export default {
+  customLog() {
+    console.info('request log');
+  },
+};

test/fixtures/example-ts-ets/app/extend/response.ts

@@ -0,0 +1,5 @@
+export default {
+  customLog() {
+    console.info('response log');
+  },
+};

test/fixtures/example-ts-ets/app/middleware/access.ts

@@ -0,0 +1,5 @@
+export default () => {
+  return async (_ctx, next) => {
+    await next();
+  };
+};

test/fixtures/example-ts-ets/app/model/User.ts

@@ -0,0 +1,7 @@
+export default function() {
+  return {
+    get() {
+      return 'model get';
+    },
+  };
+}

test/fixtures/example-ts-ets/app/router.ts

@@ -0,0 +1,8 @@
+import { Application } from 'egg';
+
+export default function(app: Application) {
+  const { router, controller } = app;
+
+  console.info(app.custom.test.abc);
+  router.get('/', controller.home.index);
+}

test/fixtures/example-ts-ets/app/service/db.ts

@@ -0,0 +1,7 @@
+import { Service } from 'egg';
+
+export default class DbService extends Service {
+  async fetch() {
+    return 'service fetch';
+  }
+}

test/fixtures/example-ts-ets/config/config.default.ts

@@ -0,0 +1,18 @@
+export default function() {
+  // built-in config
+  const config: Egg.PowerPartial<Egg.EggAppConfig> = {};
+
+  config.keys = '123123';
+
+  // biz config
+  const bizConfig = {
+    biz: {
+      type: 'biz',
+    },
+  };
+
+  return {
+    ...config as {},
+    ...bizConfig,
+  };
+}

test/fixtures/example-ts-ets/config/config.local.ts

@@ -0,0 +1,14 @@
+import { EggAppConfig, PowerPartial } from 'egg';
+
+export default function() {
+  // built-in config
+  const config: PowerPartial<EggAppConfig> = {};
+
+  config.keys = '123123';
+
+  config.biz = {
+    type: 'local',
+  };
+
+  return config;
+}

test/fixtures/example-ts-ets/config/config.prod.ts

@@ -0,0 +1,7 @@
+export default function() {
+  return {
+    otherBizConfig: {
+      type: 'value',
+    },
+  };
+}

test/fixtures/example-ts-ets/config/plugin.ts

@@ -0,0 +1,6 @@
+import { EggPlugin } from 'egg';
+
+const plugin: EggPlugin = {
+};
+
+export default plugin;

test/fixtures/example-ts-ets/package.json

@@ -0,0 +1,7 @@
+{
+  "name": "real-app",
+  "egg": {
+    "typescript": true,
+    "declarations": false
+  }
+}

test/fixtures/example-ts-ets/tsconfig.json

@@ -0,0 +1,21 @@
+{
+  "compilerOptions": {
+    "strict": true,
+    "target": "es2017",
+    "module": "commonjs",
+    "moduleResolution": "node",
+    "noImplicitAny": false,
+    "baseUrl": ".",
+    "paths": {
+      "egg": [
+        "../../../node_modules/egg"
+      ],
+      "egg-mock": [
+        "../../../node_modules/egg-mock"
+      ]
+    }
+  },
+  "include": [
+    "./**/*"
+  ]
+}

test/fixtures/example-ts-ets/tshelper.js

@@ -0,0 +1,19 @@
+'use strict';
+
+module.exports = {
+  watchDirs: {
+    model: {
+      path: 'app/model', // dir path
+      generator: 'class', // generator name
+      interface: 'IModel', // interface name
+      declareTo: 'Application.model', // declare to this interface
+      interfaceHandle: val => `ReturnType<typeof ${val}>`, // interfaceHandle
+    },
+
+    custom: {
+      path: 'app/custom', // dir path
+      generator: 'auto', // generator name
+      declareTo: 'Application.custom', // declare to this interface
+    },
+  },
+};

test/ts.test.js

@@ -3,6 +3,8 @@
 const path = require('path');
 const coffee = require('coffee');
 const mm = require('mm');
+const fs = require('fs');
+const rimraf = require('mz-modules/rimraf');
 
 describe('test/ts.test.js', () => {
   const eggBin = require.resolve('../bin/egg-bin');
@@ -160,4 +162,59 @@ describe('test/ts.test.js', () => {
         .end();
     });
   });
+
+  describe('egg.declarations = true', () => {
+    if (process.env.EGG_VERSION && process.env.EGG_VERSION === '1') {
+      console.log('skip egg@1');
+      return;
+    }
+
+    let pkgJson;
+    before(() => {
+      cwd = path.join(__dirname, './fixtures/example-ts-ets');
+      pkgJson = JSON.parse(fs.readFileSync(path.resolve(cwd, './package.json')).toString());
+    });
+
+    beforeEach(() => rimraf(path.resolve(cwd, './typings')));
+
+    afterEach(() => {
+      pkgJson.egg.declarations = false;
+      fs.writeFileSync(path.resolve(cwd, './package.json'), JSON.stringify(pkgJson, null, 2));
+    });
+
+    it('should load egg-ts-helper with dts flag', () => {
+      return coffee.fork(eggBin, [ 'dev', '--dts' ], { cwd })
+        .debug()
+        .expect('stdout', /application log/)
+        .expect('stdout', /"typescript":true/)
+        .expect('stdout', /started/)
+        .expect('code', 0)
+        .end();
+    });
+
+    it('should load egg-ts-helper with egg.declarations = true', () => {
+      pkgJson.egg.declarations = true;
+      fs.writeFileSync(path.resolve(cwd, './package.json'), JSON.stringify(pkgJson, null, 2));
+
+      return coffee.fork(eggBin, [ 'dev' ], { cwd })
+        .debug()
+        .expect('stdout', /application log/)
+        .expect('stdout', /"typescript":true/)
+        .expect('stdout', /"declarations":true/)
+        .expect('stdout', /started/)
+        .expect('code', 0)
+        .end();
+    });
+
+    it('should not load egg-ts-helper without flag and egg.declarations', () => {
+      return coffee.fork(eggBin, [ 'dev' ], { cwd })
+        .debug()
+        .expect('stdout', /"typescript":true/)
+        .notExpect('stdout', /application log/)
+        .notExpect('stdout', /"declarations":true/)
+        .notExpect('stdout', /started/)
+        .expect('code', 1)
+        .end();
+    });
+  });
 });