chore: verify TS project references are correct

package.json

@@ -76,6 +76,7 @@
     "stealthy-require": "^1.1.1",
     "string-length": "^4.0.1",
     "strip-ansi": "^6.0.0",
+    "strip-json-comments": "^3.1.1",
     "tempy": "^1.0.0",
     "throat": "^5.0.0",
     "ts-node": "^9.0.0",

packages/jest-circus/tsconfig.json

@@ -5,6 +5,7 @@
     "rootDir": "src"
   },
   "references": [
+    {"path": "../expect"},
     {"path": "../jest-each"},
     {"path": "../jest-environment"},
     {"path": "../jest-matcher-utils"},

packages/jest-cli/tsconfig.json

@@ -5,11 +5,12 @@
     "outDir": "build"
   },
   "references": [
-    {"path": "../jest-core"},
     {"path": "../jest-config"},
+    {"path": "../jest-core"},
     {"path": "../jest-test-result"},
     {"path": "../jest-types"},
     {"path": "../jest-util"},
-    {"path": "../jest-validate"}
+    {"path": "../jest-validate"},
+    {"path": "../test-utils"}
   ]
 }

packages/jest-config/tsconfig.json

@@ -4,8 +4,9 @@
     "rootDir": "src",
     "outDir": "build"
   },
-  // TODO: This is missing `jest-jasmine2`, but that is just
-  // `require.resolve`d, so no real use for its types
+  // TODO: This is missing `babel-jest`, `jest-jasmine2`, `jest-circus` and
+  // jest-test-sequencer, but that is just `require.resolve`d, so no real use
+  // for their types
   "references": [
     {"path": "../jest-environment-jsdom"},
     {"path": "../jest-environment-node"},

packages/jest-core/tsconfig.json

@@ -12,14 +12,15 @@
     {"path": "../jest-message-util"},
     {"path": "../jest-regex-util"},
     {"path": "../jest-reporters"},
+    {"path": "../jest-resolve"},
     {"path": "../jest-resolve-dependencies"},
     {"path": "../jest-runner"},
     {"path": "../jest-runtime"},
     {"path": "../jest-snapshot"},
     {"path": "../jest-test-result"},
     {"path": "../jest-test-sequencer"},
-    {"path": "../jest-types"},
     {"path": "../jest-transform"},
+    {"path": "../jest-types"},
     {"path": "../jest-util"},
     {"path": "../jest-validate"},
     {"path": "../jest-watcher"},

packages/jest-environment/tsconfig.json

@@ -8,7 +8,7 @@
   },
   "references": [
     {"path": "../jest-fake-timers"},
-    {"path": "../jest-types"},
-    {"path": "../jest-util"}
+    {"path": "../jest-mock"},
+    {"path": "../jest-types"}
   ]
 }

packages/jest-fake-timers/tsconfig.json

@@ -7,6 +7,7 @@
   "references": [
     {"path": "../jest-message-util"},
     {"path": "../jest-mock"},
+    {"path": "../jest-types"},
     {"path": "../jest-util"}
   ]
 }

packages/jest-haste-map/tsconfig.json

@@ -9,6 +9,7 @@
     {"path": "../jest-serializer"},
     {"path": "../jest-types"},
     {"path": "../jest-util"},
-    {"path": "../jest-worker"}
+    {"path": "../jest-worker"},
+    {"path": "../test-utils"}
   ]
 }

packages/jest-leak-detector/tsconfig.json

@@ -5,6 +5,7 @@
     "outDir": "build"
   },
   "references": [
+    {"path": "../jest-get-type"},
     {"path": "../pretty-format"}
   ]
 }

packages/jest-reporters/tsconfig.json

@@ -9,6 +9,7 @@
     {"path": "../jest-haste-map"},
     {"path": "../jest-resolve"},
     {"path": "../jest-test-result"},
+    {"path": "../jest-transform"},
     {"path": "../jest-types"},
     {"path": "../jest-util"},
     {"path": "../jest-worker"},

packages/jest-resolve-dependencies/tsconfig.json

@@ -5,7 +5,10 @@
     "outDir": "build"
   },
   "references": [
+    {"path": "../jest-haste-map"},
     {"path": "../jest-regex-util"},
+    {"path": "../jest-resolve"},
+    {"path": "../jest-runtime"},
     {"path": "../jest-snapshot"},
     {"path": "../jest-types"},
     {"path": "../test-utils"}

packages/jest-resolve/tsconfig.json

@@ -4,5 +4,9 @@
     "rootDir": "src",
     "outDir": "build"
   },
-  "references": [{"path":  "../jest-types"}, {"path":  "../jest-haste-map"}]
+  "references": [
+    {"path": "../jest-haste-map"},
+    {"path": "../jest-types"},
+    {"path": "../jest-util"}
+  ]
 }

packages/jest-runner/tsconfig.json

@@ -17,7 +17,7 @@
     {"path": "../jest-test-result"},
     {"path": "../jest-transform"},
     {"path": "../jest-types"},
-    {"path": "../jest-worker"},
-    {"path": "../jest-util"}
+    {"path": "../jest-util"},
+    {"path": "../jest-worker"}
   ]
 }

packages/jest-runtime/tsconfig.json

@@ -22,7 +22,6 @@
     {"path": "../jest-types"},
     {"path": "../jest-util"},
     {"path": "../jest-validate"},
-    {"path": "../pretty-format"},
     {"path": "../test-utils"}
   ]
 }

packages/jest-test-sequencer/tsconfig.json

@@ -7,7 +7,7 @@
   "references": [
     {"path": "../jest-haste-map"},
     {"path": "../jest-runner"},
-    {"path": "../jest-test-result"},
-    {"path": "../jest-types"}
+    {"path": "../jest-runtime"},
+    {"path": "../jest-test-result"}
   ]
 }

packages/pretty-format/tsconfig.json

@@ -4,5 +4,5 @@
     "rootDir": "src",
     "outDir": "build"
   },
-  "references": [{"path": "../jest-types"}]
+  "references": [{"path": "../jest-types"}, {"path": "../jest-util"}]
 }

scripts/buildTs.js

@@ -15,6 +15,7 @@ const util = require('util');
 const chalk = require('chalk');
 const execa = require('execa');
 const globby = require('globby');
+const stripJsonComments = require('strip-json-comments');
 const throat = require('throat');
 const {getPackages} = require('./buildUtils');
 
@@ -27,8 +28,22 @@ const readFilePromise = util.promisify(fs.readFile);
     fs.existsSync(path.resolve(p, 'tsconfig.json')),
   );
 
+  const {stdout: allWorkspacesString} = await execa('yarn', [
+    'workspaces',
+    'list',
+    '--json',
+  ]);
+
+  const workspacesWithTs = new Map(
+    JSON.parse(`[${allWorkspacesString.split('\n').join(',')}]`)
+      .filter(({location}) =>
+        packagesWithTs.some(pkg => pkg.endsWith(location)),
+      )
+      .map(({location, name}) => [name, location]),
+  );
+
   packagesWithTs.forEach(pkgDir => {
-    const pkg = require(pkgDir + '/package.json');
+    const pkg = require(`${pkgDir}/package.json`);
 
     assert.ok(pkg.types, `Package ${pkg.name} is missing \`types\` field`);
 
@@ -37,6 +52,47 @@ const readFilePromise = util.promisify(fs.readFile);
       pkg.main.replace(/\.js$/, '.d.ts'),
       `\`main\` and \`types\` field of ${pkg.name} does not match`,
     );
+
+    const jestDependenciesOfPackage = Object.keys(pkg.dependencies || {})
+      .concat(Object.keys(pkg.devDependencies || {}))
+      .filter(dep => workspacesWithTs.has(dep))
+      .filter(dep => {
+        // nothing should depend on these
+        if (dep === 'jest-circus' || dep === 'jest-jasmine2') {
+          return false;
+        }
+
+        // these are just `require.resolve`-ed
+        if (pkg.name === 'jest-config') {
+          if (dep === '@jest/test-sequencer' || dep === 'babel-jest') {
+            return false;
+          }
+        }
+
+        return true;
+      })
+      .map(dep =>
+        path.relative(pkgDir, `${pkgDir}/../../${workspacesWithTs.get(dep)}`),
+      )
+      .sort();
+
+    if (jestDependenciesOfPackage.length > 0) {
+      const tsConfig = JSON.parse(
+        stripJsonComments(fs.readFileSync(`${pkgDir}/tsconfig.json`, 'utf8')),
+      );
+
+      const references = tsConfig.references.map(({path}) => path);
+
+      assert.deepStrictEqual(
+        references,
+        jestDependenciesOfPackage,
+        `Expected declared references to match dependencies in packages ${
+          pkg.name
+        }. Got:\n\n${references.join(
+          '\n',
+        )}\nExpected:\n\n${jestDependenciesOfPackage.join('\n')}`,
+      );
+    }
   });
 
   const args = ['tsc', '-b', ...packagesWithTs, ...process.argv.slice(2)];

yarn.lock

@@ -1956,6 +1956,7 @@ __metadata:
     stealthy-require: ^1.1.1
     string-length: ^4.0.1
     strip-ansi: ^6.0.0
+    strip-json-comments: ^3.1.1
     tempy: ^1.0.0
     throat: ^5.0.0
     ts-node: ^9.0.0