Add clean builds script to remove all build files.

Author: Hyperkid123

package.json

@@ -19,7 +19,8 @@
     "lint": "yarn eslint .",
     "lint:ts": "tslint -c ./tslint.json 'packages/**/*.d.ts'",
     "generate-template": "node ./scripts/generate-mapper.js",
-    "preinstall": "git ls-files -i --exclude-from=.gitignore | xargs git rm --cached"
+    "clean-build": "node ./scripts/clean-build.js",
+    "preinstall": "node ./scripts/clean-build.js"
   },
   "workspaces": [
     "packages/**"
@@ -92,7 +93,20 @@
   },
   "release": {
     "monorepo": "./packages",
-    "branches": ["+([0-9])?(.{+([0-9]),x}).x", "master", "next", "next-major", {"name": "beta", "prerelease": true}, {"name": "alpha", "prerelease": true}],
+    "branches": [
+      "+([0-9])?(.{+([0-9]),x}).x",
+      "master",
+      "next",
+      "next-major",
+      {
+        "name": "beta",
+        "prerelease": true
+      },
+      {
+        "name": "alpha",
+        "prerelease": true
+      }
+    ],
     "plugins": [
       "@khala/npm-release-monorepo",
       [

packages/common/.gitignore

@@ -72,6 +72,7 @@ vendor
 !src
 !src/
 !demo/
+!demo
 !src/*
 !demo/*
 !config

scripts/clean-build.js

@@ -0,0 +1,41 @@
+const path = require('path');
+const fse = require('fs-extra');
+const glob = require('glob');
+
+const root = path.resolve(__dirname, '../');
+const x = glob.sync(path.resolve(root, './packages/*'));
+
+function cleanPackage(p) {
+  const ignore = fse.readFileSync(path.resolve(p, './.gitignore'), 'utf8');
+  const ignores = ignore
+    .split('\n')
+    .filter((line) => !(line.length === 0 || line[0] === '#'))
+    .filter((item) => !item.includes('node_modules'));
+  const positive = [];
+  const negative = [];
+  ignores.forEach((item) => {
+    if (item[0] === '!') {
+      negative.push(item.replace(/^!/, ''));
+    } else {
+      positive.push(item);
+    }
+  });
+  const pattern = `{${positive.join(',')}}`;
+  const files = glob.sync(path.resolve(p, `./${pattern}`)).filter((item) => !negative.find((n) => item.includes(n) || item.includes('node_modules')));
+  files.forEach((file) => {
+    fse.removeSync(file);
+  });
+}
+
+function run() {
+  try {
+    x.forEach((p) => {
+      cleanPackage(p);
+    });
+  } catch (err) {
+    console.error(err);
+    process.exit(1);
+  }
+}
+
+run();