feat: support set eggTsHelper (#183)

* feat: support set eggTsHelper

* fix: console

* fix: case adapt windows

* feat: default is undefined

* fix: testcase

.gitignore

@@ -17,6 +17,7 @@ test/fixtures/ts/node_modules/aliyun-egg/
 test/fixtures/example-ts-ets/typings/
 !test/fixtures/example-ts-ets/node_modules/
 !test/fixtures/example-ts-simple/node_modules/
+!test/fixtures/test-files/node_modules/
 
 **/run/*.json
 .tmp

lib/command.js

@@ -23,7 +23,7 @@ class Command extends BaseCommand {
       },
 
       declarations: {
-        description: 'whether create dts, will load `egg-ts-helper/register`',
+        description: 'whether create dts, will load options.eggTsHelper',
         type: 'boolean',
         alias: 'dts',
         default: undefined,
@@ -35,6 +35,13 @@ class Command extends BaseCommand {
         alias: 'tsc',
         default: undefined,
       },
+
+      eggTsHelper: {
+        description: 'egg-ts-helper register, default use `egg-ts-helper/register`',
+        type: 'string',
+        alias: 'ets',
+        default: undefined,
+      },
     };
   }
 
@@ -105,9 +112,16 @@ class Command extends BaseCommand {
       env.TS_NODE_FILES = process.env.TS_NODE_FILES || 'true';
     }
 
+    // read egg-ts-helper
+    if (argv.eggTsHelper === undefined) {
+      argv.eggTsHelper = require.resolve('egg-ts-helper/register');
+    } else {
+      argv.eggTsHelper = require.resolve(argv.eggTsHelper, { paths: [ cwd ] });
+    }
+
     // load egg-ts-helper
     if (argv.declarations) {
-      execArgvObj.require.push(require.resolve('egg-ts-helper/register'));
+      execArgvObj.require.push(argv.eggTsHelper);
     }
 
     return context;

test/fixtures/my-egg-bin/lib/cmd/echo.js

@@ -3,6 +3,19 @@
 const Command = require('../../../../../');
 
 class EchoCommand extends Command {
+  constructor(rawArgv) {
+    super(rawArgv);
+
+    this.options = {
+      eggTsHelper: {
+        description: 'egg-ts-helper register, default use `egg-ts-helper/register`',
+        type: 'string',
+        alias: 'ets',
+        default: 'custom-egg-ts-helper/register',
+      },
+    };
+  }
+
   get description() {
     return 'echo test';
   }

test/my-egg-bin.test.js

@@ -65,7 +65,7 @@ describe('test/my-egg-bin.test.js', () => {
       '--es_staging', '--harmony', '--harmony_default_parameters',
     ];
     coffee.fork(eggBin, args, { cwd })
-      // .debug()
+      .debug()
       .expect('stdout', /"baseDir":".\/dist"/)
       .expect('stdout', /debugPort: 6666/)
       .notExpect('stdout', /"argv: {.*debugBrk":true/)
@@ -99,4 +99,18 @@ describe('test/my-egg-bin.test.js', () => {
       .expect('code', 1)
       .end(done);
   });
+
+  it('should custom eggTsHelper success', done => {
+    const args = [
+      'echo',
+      '--typescript',
+      '--declarations',
+    ];
+    coffee.fork(eggBin, args, { cwd })
+      // .debug()
+      .expect('stdout', /custom-egg-ts-helper/)
+      .expect('stdout', /register\.js/)
+      .expect('code', 0)
+      .end(done);
+  });
 });