From bd0ca28e955e48909659d7e56a5ad9cc1df3ccb2 Mon Sep 17 00:00:00 2001
From: Zalmoxisus <zalmoxisus@gmail.com>
Date: Tue, 11 Dec 2018 00:16:45 +0200
Subject: [PATCH] Use `lerna run` to test only what was changed since master

---
 .travis.yml                |  7 +++++++
 package.json               |  6 ++++--
 scripts/run-in-packages.js | 21 ---------------------
 3 files changed, 11 insertions(+), 23 deletions(-)
 delete mode 100644 scripts/run-in-packages.js

diff --git a/.travis.yml b/.travis.yml
index d1d9e047..d9f70399 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,3 +3,10 @@ language: node_js
 node_js:
   - "lts/*"
   - "stable"
+cache:
+  yarn: true
+  directories:
+    - "node_modules"
+script:
+  - npm run lint
+  - npm test
diff --git a/package.json b/package.json
index d9743699..9e2e3768 100644
--- a/package.json
+++ b/package.json
@@ -4,8 +4,10 @@
     "lerna": "3.4.2"
   },
   "scripts": {
-    "lint": "node ./scripts/run-in-packages npm run lint",
-    "test": "node ./scripts/run-in-packages npm run test"
+    "lint": "lerna run lint --since master -- --color",
+    "lint:all": "lerna run lint -- --color",
+    "test": "lerna run test --since master -- --colors",
+    "test:all": "lerna run test -- --colors"
   },
   "workspaces": [
     "packages/*"
diff --git a/scripts/run-in-packages.js b/scripts/run-in-packages.js
deleted file mode 100644
index c675dca3..00000000
--- a/scripts/run-in-packages.js
+++ /dev/null
@@ -1,21 +0,0 @@
-const path = require("path");
-const { readdirSync, statSync } = require('fs');
-const { execSync } = require("child_process");
-
-const execArgs = { stdio: "inherit", env: process.env };
-const command = process.argv.slice(2).join(' ');
-
-const getDirectories = srcPath => readdirSync(srcPath)
-  .filter(file => statSync(path.join(srcPath, file)).isDirectory());
-
-if (!command) {
-  console.error('No command specified.')
-} else {
-  const cwd = process.cwd();
-  getDirectories('packages').forEach(packageName => {
-    console.log(packageName, path.resolve(__dirname, "../packages/" + packageName));
-    process.chdir(path.resolve(__dirname, "../packages/" + packageName));
-    execSync(command, execArgs);
-  });
-  process.chdir(cwd);
-}