Add createMigration task

packages/scripts/src/Subprocess.ts

@@ -15,13 +15,14 @@ export class Subprocess {
     public readonly stdio: StdioOptions = StdioOptions.PIPE,
   ) {}
 
-  async run() {
+  async run(cwd?: string) {
     return new Promise((resolve, reject) => {
       process.stderr.write(`> ${this.command} ${this.args.join(' ')}\n`)
       const subprocess = spawn(this.command, this.args, {
         shell: false,
         stdio: this.stdio,
         env: this.environment,
+        cwd,
       })
 
       if (this.stdio === StdioOptions.PIPE) {

packages/scripts/src/commands/build.ts

@@ -1,5 +1,6 @@
 import {run} from '../run'
 import {join} from 'path'
+import {findNodeModules} from '../modules'
 import * as fs from 'fs'
 import * as p from 'path'
 
@@ -38,7 +39,17 @@ export async function exec(file: string) {
       '--project',
       findTsConfig(file),
     ] : []
-  return run(command, [...args, file])
+  await run(command, [...args, file])
+}
+
+export async function createMigration(project: string, name: string) {
+  const typeorm = findNodeModules(project)
+  .map(nm => p.join(nm, 'typeorm'))
+  .find(t => fs.existsSync(t))
+  if (!typeorm) {
+    throw new Error('typeorm not found')
+  }
+  await run('ts-node', [typeorm, 'migration:create', '--name', name], project)
 }
 
 function findTsConfig(file: string): string {

packages/scripts/src/run.ts

@@ -1,10 +1,10 @@
 import {Subprocess} from './Subprocess'
 import {getPathVariable} from './modules'
 
-export async function run(command: string, args: string[]) {
+export async function run(command: string, args: string[], cwd?: string) {
   return new Subprocess(command, args, {
     ...process.env,
     PATH: getPathVariable(),
   })
-  .run()
+  .run(cwd)
 }