fix: module path under mono repo

reutrn full path of module
#329

Author: waitingsong

packages/midway-bin/lib/cmd/debug.js

@@ -1,4 +1,5 @@
 'use strict';
+const resolver = require('../util').resolveModule;
 
 class DebugCommand extends require('egg-bin').DebugCommand {
   constructor(rawArgv) {
@@ -14,13 +15,7 @@ class DebugCommand extends require('egg-bin').DebugCommand {
   }
 
   findFramework(module) {
-    try {
-      if (require.resolve(module)) {
-        return module;
-      }
-    } catch (err) {
-      console.log(`[midway-bin] Not found framework ${module} and skip.`);
-    }
+    return resolver(module);
   }
 }
 

packages/midway-bin/lib/cmd/dev.js

@@ -1,4 +1,5 @@
 'use strict';
+const resolver = require('../util').resolveModule;
 
 class DevCommand extends require('egg-bin/lib/cmd/dev') {
   constructor(rawArgv) {
@@ -15,13 +16,7 @@ class DevCommand extends require('egg-bin/lib/cmd/dev') {
   }
 
   findFramework(module) {
-    try {
-      if (require.resolve(module)) {
-        return module;
-      }
-    } catch (err) {
-      console.log(`[midway-bin] Not found framework ${module} and skip.`);
-    }
+    return resolver(module);
   }
 }
 

packages/midway-bin/lib/util.js

@@ -0,0 +1,20 @@
+'use strict';
+const path = require('path');
+
+function resolveModule(moduleName) {
+  if (!moduleName) {
+    console.log('[midway-bin] value of framework is blank and skipped.');
+    return;
+  }
+
+  try {
+    require.resolve(moduleName);
+    const moduleDir = path.join(__dirname, '../../');
+    const moduleFullPath = path.join(moduleDir, moduleName);
+    return moduleFullPath;
+  } catch (err) {
+    console.log(`[midway-bin] Not found framework ${moduleName} and skip.`);
+  }
+}
+
+exports.resolveModule = resolveModule;

packages/midway-bin/test/lib/util.test.js

@@ -0,0 +1,21 @@
+'use strict';
+
+const assert = require('assert');
+
+const util = require('../../lib/util.js');
+
+describe('test/lib/util.test.js', () => {
+
+  it('should return full path of module', function() {
+    const moduleName = 'egg'
+    const path = util.resolveModule(moduleName)
+    assert(path && path.length > moduleName.length);
+  });
+
+  it('should return void with invalid input', function() {
+    const moduleName = 'egg' + Math.random()
+    const path =  util.resolveModule(moduleName)
+    assert(! path);
+  });
+
+});