feat: add install package step

theBenForce · Oct 3, 2019 · b567387 · b567387
1 parent d0d73a5
commit b567387
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Showing 4 changed files with 18 additions and 3 deletions.
diff --git a/package.json b/package.json
@@ -17,6 +17,7 @@
   },
   "dependencies": {
     "@aws-cdk/aws-lambda": "^1.11.0",
+    "execa": "^2.0.4",
     "rollup": "^1.22.0"
   },
   "scripts": {

diff --git a/src/index.ts b/src/index.ts
@@ -3,18 +3,31 @@ import { Code } from "@aws-cdk/aws-lambda";
 import * as tmp from "tmp";
 
 import { join as joinPath } from "path";
+import execa from "execa";
 
 /**
  * Writes rollup results to a temporary directory, then
  * returns a @Code instance referencing that directory.
  */
-export default async function RollupCode(codePath: string, config: RollupOptions): Promise<Code> {
+export default async function RollupCode(codePath: string, config: RollupOptions, installedPackages: Array<string> = []): Promise<Code> {
     const bundle = await rollup({ ...config, input: codePath });
 
     // Create tmp directory
     const tmpDir = tmp.dirSync();
 
     await bundle.write({ ...config.output, file: joinPath(tmpDir.name, 'index.js') });
 
+    if (installedPackages.length > 0) {
+        console.info(`Installing packages`);
+
+        await execa(`npm init -y`, {
+            cwd: tmpDir.name
+        });
+
+        await execa(`npm install ${installedPackages.join(" ")}`, {
+            cwd: tmpDir.name
+        });
+    }
+
     return Code.fromAsset(tmpDir.name);
 }
diff --git a/tsconfig.json b/tsconfig.json
@@ -2,6 +2,7 @@
     "compilerOptions": {
         "rootDir": "src",
         "outDir": "dist",
-        "declaration": true
+        "declaration": true,
+        "esModuleInterop": true
     }
 }
diff --git a/yarn.lock b/yarn.lock
@@ -1334,7 +1334,7 @@ execa@^1.0.0:
     signal-exit "^3.0.0"
     strip-eof "^1.0.0"
 
-execa@^2.0.2:
+execa@^2.0.2, execa@^2.0.4:
   version "2.0.4"
   resolved "https://registry.yarnpkg.com/execa/-/execa-2.0.4.tgz#2f5cc589c81db316628627004ea4e37b93391d8e"
   integrity sha512-VcQfhuGD51vQUQtKIq2fjGDLDbL6N1DTQVpYzxZ7LPIXw3HqTuIz6uxRmpV1qf8i31LHf2kjiaGI+GdHwRgbnQ==