build(webpack): add getDecoupledPlugins to automatically ignore when watching

package.json

@@ -72,6 +72,7 @@
     "@grafana/eslint-config": "7.0.0",
     "@grafana/eslint-plugin": "link:./packages/grafana-eslint-rules",
     "@grafana/tsconfig": "^1.3.0-rc1",
+    "@manypkg/get-packages": "^2.2.0",
     "@pmmmwh/react-refresh-webpack-plugin": "0.5.11",
     "@react-types/button": "3.9.1",
     "@react-types/menu": "3.9.6",

scripts/webpack/webpack.dev.js

@@ -1,4 +1,5 @@
 'use strict';
+const { getPackagesSync } = require('@manypkg/get-packages');
 const browserslist = require('browserslist');
 const { resolveToEsbuildTarget } = require('esbuild-plugin-browserslist');
 const ESLintPlugin = require('eslint-webpack-plugin');
@@ -19,6 +20,12 @@ const esbuildOptions = {
   format: undefined,
 };
 
+// To speed up webpack and prevent unnecessary rebuilds we ignore decoupled packages
+function getDecoupledPlugins() {
+  const { packages } = getPackagesSync(process.cwd());
+  return packages.filter((pkg) => pkg.dir.includes('plugins/datasource')).map((pkg) => `${pkg.dir}/**`);
+}
+
 module.exports = (env = {}) => {
   return merge(common, {
     devtool: 'source-map',
@@ -32,15 +39,7 @@ module.exports = (env = {}) => {
 
     // If we enabled watch option via CLI
     watchOptions: {
-      ignored: [
-        '/node_modules/',
-        '**/plugins/datasource/azuremonitor/**',
-        '**/plugins/datasource/cloud-monitoring/**',
-        '**/plugins/datasource/grafana-pyroscope-datasource/**',
-        '**/plugins/datasource/grafana-testdata-datasource/**',
-        '**/plugins/datasource/parca/**',
-        '**/plugins/datasource/tempo/**',
-      ],
+      ignored: ['/node_modules/', ...getDecoupledPlugins()],
     },
 
     resolve: {

yarn.lock

@@ -5013,6 +5013,39 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@manypkg/find-root@npm:^2.2.0":
+  version: 2.2.1
+  resolution: "@manypkg/find-root@npm:2.2.1"
+  dependencies:
+    "@manypkg/tools": "npm:^1.1.0"
+    find-up: "npm:^4.1.0"
+    fs-extra: "npm:^8.1.0"
+  checksum: 10/7f31120c3ef0711f6e65857ea232fb4f7caf4db388080e738f82d979d7f72572dae60519c8fcd45c431a8e94095b6628257fbf7373b34401359def00687bab13
+  languageName: node
+  linkType: hard
+
+"@manypkg/get-packages@npm:^2.2.0":
+  version: 2.2.0
+  resolution: "@manypkg/get-packages@npm:2.2.0"
+  dependencies:
+    "@manypkg/find-root": "npm:^2.2.0"
+    "@manypkg/tools": "npm:^1.1.0"
+  checksum: 10/2a78240d8d9cf32250204d02e7b693ad728129be0f01c6049593e0c90ad44eca0e3334521faca8eff42939219313517173b5c983be036ff7ef3218bc8b7f8f30
+  languageName: node
+  linkType: hard
+
+"@manypkg/tools@npm:^1.1.0":
+  version: 1.1.0
+  resolution: "@manypkg/tools@npm:1.1.0"
+  dependencies:
+    fs-extra: "npm:^8.1.0"
+    globby: "npm:^11.0.0"
+    jju: "npm:^1.4.0"
+    read-yaml-file: "npm:^1.1.0"
+  checksum: 10/85bd2a656c46a475a8f7232515302ffc374005f8cea893e2505271a757fc14accca40e298f7c3acd0df2277ab436b30efeb22af5c6b0d7cd238bc413456a150b
+  languageName: node
+  linkType: hard
+
 "@mapbox/jsonlint-lines-primitives@npm:~2.0.2":
   version: 2.0.2
   resolution: "@mapbox/jsonlint-lines-primitives@npm:2.0.2"
@@ -18127,7 +18160,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"globby@npm:11.1.0, globby@npm:^11.0.1, globby@npm:^11.0.2, globby@npm:^11.1.0":
+"globby@npm:11.1.0, globby@npm:^11.0.0, globby@npm:^11.0.1, globby@npm:^11.0.2, globby@npm:^11.1.0":
   version: 11.1.0
   resolution: "globby@npm:11.1.0"
   dependencies:
@@ -18184,7 +18217,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"graceful-fs@npm:4.2.11, graceful-fs@npm:^4.1.11, graceful-fs@npm:^4.1.15, graceful-fs@npm:^4.1.2, graceful-fs@npm:^4.1.6, graceful-fs@npm:^4.2.0, graceful-fs@npm:^4.2.10, graceful-fs@npm:^4.2.11, graceful-fs@npm:^4.2.4, graceful-fs@npm:^4.2.6, graceful-fs@npm:^4.2.8, graceful-fs@npm:^4.2.9":
+"graceful-fs@npm:4.2.11, graceful-fs@npm:^4.1.11, graceful-fs@npm:^4.1.15, graceful-fs@npm:^4.1.2, graceful-fs@npm:^4.1.5, graceful-fs@npm:^4.1.6, graceful-fs@npm:^4.2.0, graceful-fs@npm:^4.2.10, graceful-fs@npm:^4.2.11, graceful-fs@npm:^4.2.4, graceful-fs@npm:^4.2.6, graceful-fs@npm:^4.2.8, graceful-fs@npm:^4.2.9":
   version: 4.2.11
   resolution: "graceful-fs@npm:4.2.11"
   checksum: 10/bf152d0ed1dc159239db1ba1f74fdbc40cb02f626770dcd5815c427ce0688c2635a06ed69af364396da4636d0408fcf7d4afdf7881724c3307e46aff30ca49e2
@@ -18235,6 +18268,7 @@ __metadata:
     "@locker/near-membrane-dom": "npm:0.13.6"
     "@locker/near-membrane-shared": "npm:0.13.6"
     "@locker/near-membrane-shared-dom": "npm:0.13.6"
+    "@manypkg/get-packages": "npm:^2.2.0"
     "@msagl/core": "npm:^1.1.16"
     "@msagl/parser": "npm:^1.1.16"
     "@opentelemetry/api": "npm:1.7.0"
@@ -20970,6 +21004,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"jju@npm:^1.4.0":
+  version: 1.4.0
+  resolution: "jju@npm:1.4.0"
+  checksum: 10/1067ff8ce02221faac5a842116ed0ec79a53312a111d0bf8342a80bd02c0a3fdf0b8449694a65947db0a3e8420e8b326dffb489c7dd5866efc380c0d1708a707
+  languageName: node
+  linkType: hard
+
 "joycon@npm:^3.1.1":
   version: 3.1.1
   resolution: "joycon@npm:3.1.1"
@@ -21016,7 +21057,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"js-yaml@npm:^3.10.0, js-yaml@npm:^3.13.1":
+"js-yaml@npm:^3.10.0, js-yaml@npm:^3.13.1, js-yaml@npm:^3.6.1":
   version: 3.14.1
   resolution: "js-yaml@npm:3.14.1"
   dependencies:
@@ -26830,6 +26871,18 @@ __metadata:
   languageName: node
   linkType: hard
 
+"read-yaml-file@npm:^1.1.0":
+  version: 1.1.0
+  resolution: "read-yaml-file@npm:1.1.0"
+  dependencies:
+    graceful-fs: "npm:^4.1.5"
+    js-yaml: "npm:^3.6.1"
+    pify: "npm:^4.0.1"
+    strip-bom: "npm:^3.0.0"
+  checksum: 10/41ee5f075507ef0403328dd54e225a61c3149f915675ce7fd0fd791ddcce2e6c30a9fe0f76ffa7a465c1c157b9b4ad8ded1dcf47dc3b396103eeb013490bbc2e
+  languageName: node
+  linkType: hard
+
 "read@npm:^2.0.0":
   version: 2.1.0
   resolution: "read@npm:2.1.0"