Analyze change ts

eng/common/config/area.ts

@@ -0,0 +1,56 @@
+import type { AreaLabels } from "./labels.js";
+
+/**
+ * Set the paths that each area applies to.
+ */
+export const AreaPaths: Record<keyof typeof AreaLabels, string[]> = {
+  "compiler:core": ["packages/compiler/"],
+  "compiler:emitter-framework": [],
+  ide: ["packages/typespec-vscode/", "packages/typespec-vs/"],
+  "lib:http": ["packages/http/"],
+  "lib:openapi": ["packages/openapi/"],
+  "lib:rest": ["packages/rest/"],
+  "lib:versioning": ["packages/versioning/"],
+  "meta:blog": ["blog/"],
+  "meta:website": ["website/"],
+  tspd: ["packages/tspd/"],
+  "emitter:client:csharp": ["packages/http-client-csharp/"],
+  "emitter:client:java": ["packages/http-client-java/"],
+  "emitter:json-schema": ["packages/json-schema/"],
+  "emitter:protobuf": ["packages/protobuf/"],
+  "emitter:openapi3": ["packages/openapi3/"],
+  "openapi3:converter": ["packages/openapi3/src/cli/actions/convert/"],
+  "emitter:service:csharp": [],
+  "emitter:service:js": [],
+  eng: ["eng/", ".github/"],
+  "ui:playground": ["packages/playground/"],
+  "ui:type-graph-viewer": ["packages/html-program-viewer/"],
+};
+
+/**
+ * Path that should trigger every CI build.
+ */
+const all = ["eng/common/", "vitest.config.ts"];
+
+/**
+ * Path that should trigger all isolated emitter builds
+ */
+const isolatedEmitters = ["eng/emitters/"];
+
+export const CIRules = {
+  CSharp: [...all, ...isolatedEmitters, ...AreaPaths["emitter:client:csharp"], ".editorconfig"],
+
+  Core: [
+    "**/*",
+    "!.prettierignore", // Prettier is already run as its dedicated CI(via github action)
+    "!.prettierrc.json",
+    "!cspell.yaml", // CSpell is already run as its dedicated CI(via github action)
+    "!esling.config.json", // Eslint is already run as its dedicated CI(via github action)
+    ...ignore(isolatedEmitters),
+    ...ignore(AreaPaths["emitter:client:csharp"]),
+  ],
+};
+
+function ignore(paths: string[]) {
+  return paths.map((x) => `!${x}`);
+}

eng/common/config/labels.ts

@@ -1,6 +1,7 @@
 // cspell:ignore bfff
-import { repo } from "../scripts/common.js";
 import { defineConfig, defineLabels } from "../scripts/labels/config.js";
+import { repo } from "../scripts/utils/common.js";
+import { AreaPaths } from "./area.js";
 
 /**
  * Labels that are used to categorize issue for which area they belong to.
@@ -166,33 +167,6 @@ export const CommonLabels = {
   },
 };
 
-/**
- * Set the paths that each area applies to.
- */
-export const AreaPaths: Record<keyof typeof AreaLabels, string[]> = {
-  "compiler:core": ["packages/compiler/"],
-  "compiler:emitter-framework": [],
-  ide: ["packages/typespec-vscode/", "packages/typespec-vs/"],
-  "lib:http": ["packages/http/"],
-  "lib:openapi": ["packages/openapi/"],
-  "lib:rest": ["packages/rest/"],
-  "lib:versioning": ["packages/versioning/"],
-  "meta:blog": ["blog/"],
-  "meta:website": ["website/"],
-  tspd: ["packages/tspd/"],
-  "emitter:client:csharp": ["packages/http-client-csharp/"],
-  "emitter:client:java": ["packages/http-client-java/"],
-  "emitter:json-schema": ["packages/json-schema/"],
-  "emitter:protobuf": ["packages/protobuf/"],
-  "emitter:openapi3": ["packages/openapi3/"],
-  "openapi3:converter": ["packages/openapi3/src/cli/actions/convert/"],
-  "emitter:service:csharp": [],
-  "emitter:service:js": [],
-  eng: ["eng/", ".github/"],
-  "ui:playground": ["packages/playground/"],
-  "ui:type-graph-viewer": ["packages/html-program-viewer/"],
-};
-
 export default defineConfig({
   repo,
   labels: {

eng/common/pipelines/ci.yml

@@ -22,18 +22,20 @@ extends:
           - job: InitJob
             displayName: Initialize
             steps:
+              - script: |
+                  corepack enable
+                  corepack prepare pnpm --activate
+                displayName: Install pnpm
+
+              - script: pnpm install
+                displayName: Install JavaScript Dependencies
+
               - script: node $(Build.SourcesDirectory)/eng/common/scripts/resolve-target-branch.js
                 displayName: Resolve target branch
 
-              - task: PowerShell@2
+              - script: pnpm tsx ./eng/common/scripts/dispatch-area-triggers.ts --target-branch $(TARGET_BRANCH)
                 displayName: "Analyze PR changes"
                 name: InitStep
-                inputs:
-                  pwsh: true
-                  filePath: $(Build.SourcesDirectory)/eng/common/scripts/Analyze-Changes.ps1
-                  arguments: >
-                    -TargetBranch $(TARGET_BRANCH)
-                  workingDirectory: $(Build.SourcesDirectory)
 
       # Run csharp stages if RunCSharp == true
       - template: /packages/http-client-csharp/eng/pipeline/templates/ci-stages.yml