feat: fallback to tsconfig.json if autobarrel not present

.gitignore

@@ -1,4 +1,5 @@
 dist
 test/testing
+test/tsTesting
 node_modules
 yarn-error.log

jest.config.js

@@ -1,5 +1,9 @@
+/**
+ * @type {import('@jest/types').Config.ProjectConfig}
+ */
 module.exports = {
   preset: "ts-jest",
   testEnvironment: "node",
   watchPathIgnorePatterns: ["<rootDir>/test/testing"],
+  testPathIgnorePatterns: ["<rootDir>/test/tsFixtures"],
 }

src/autobarrel.ts

@@ -241,12 +241,40 @@ export async function autobarrelWatch(configData: AutoBarrelWatchData) {
   return watcher
 }
 
+async function resolveAutobarrelFromTsconfig(configPath: string, e: any) {
+  try {
+    const tsConfigPath = configPath.replace(
+      path.basename(configPath),
+      `tsconfig.json`
+    )
+    const tsConfigData = JSON.parse(await readFileAsync(tsConfigPath, "utf8"))
+    const toInclude = Array.isArray(tsConfigData?.include)
+      ? tsConfigData?.include
+      : tsConfigData?.compilerOptions?.rootDir
+      ? [`${tsConfigData?.compilerOptions?.rootDir}/**`]
+      : null
+
+    if (toInclude) {
+      return {
+        cwd: path.dirname(configPath),
+        paths: toInclude,
+        ignore: tsConfigData?.exclude ?? [],
+      }
+    }
+  } catch {}
+  throw e
+}
+
 export async function resolveAutobarrelConfig(config: AutoBarrelConfig) {
   let configPath = path.isAbsolute(config.path)
     ? config.path
     : path.join(process.cwd(), config.path)
-  const stat = await statAsync(configPath)
-
+  let stat: fs.Stats
+  try {
+    stat = await statAsync(configPath)
+  } catch (e) {
+    return await resolveAutobarrelFromTsconfig(configPath, e)
+  }
   if (!stat.isFile()) {
     throw new Error(`Autobarrel config ${configPath} is not a file`)
   }

src/cli.ts

@@ -29,7 +29,10 @@ const confPath = argv.config
     : path.join(process.cwd(), argv.config)
   : path.join(process.cwd(), "autobarrel.json")
 
-if (!fs.existsSync(confPath)) {
+if (
+  !fs.existsSync(confPath) &&
+  !fs.existsSync(confPath.replace(path.basename(confPath), "tsconfig.json"))
+) {
   throw new Error(
     `Could not find autobarrel.json file at ${confPath}, specify a valid path via --config`
   )

test/__snapshots__/autobarrel.spec.ts.snap

@@ -1,5 +1,30 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
+exports[`autobarrel autobarrel (tsconfig.json) tests 1`] = `
+Array [
+  "tsTesting",
+  "tsTesting/src",
+  "tsTesting/src/file.ts",
+  "tsTesting/src/ignored",
+  "tsTesting/src/ignored/some-file.test.ts",
+  "tsTesting/src/index.ts",
+  "tsTesting/tsconfig.json",
+]
+`;
+
+exports[`autobarrel autobarrel (tsconfig.json) tests: Paths Written 1`] = `
+Array [
+  "src/index.ts",
+]
+`;
+
+exports[`autobarrel autobarrel (tsconfig.json) tests: tsTesting/src/index.ts 1`] = `
+"// created by autobarrel, do not modify directly
+
+export * from './file'
+"
+`;
+
 exports[`autobarrel autobarrel tests 1`] = `
 Array [
   "testing",

test/__snapshots__/cli.spec.ts.snap

@@ -1,5 +1,17 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
+exports[`autobarrel cli (tsconfig.json) should run the CLI 1`] = `
+Array [
+  "tsTesting",
+  "tsTesting/src",
+  "tsTesting/src/file.ts",
+  "tsTesting/src/ignored",
+  "tsTesting/src/ignored/some-file.test.ts",
+  "tsTesting/src/index.ts",
+  "tsTesting/tsconfig.json",
+]
+`;
+
 exports[`autobarrel cli should run the CLI 1`] = `
 Array [
   "testing",
@@ -48,37 +60,42 @@ Array [
 `;
 
 exports[`watch mode dir remove should run --watch mode, watch dir remove: After dir remove 1`] = `
-"// created by autobarrel, do not modify directly
+"/* eslint-disable */
+// created by autobarrel, do not modify directly
 
 export * from './watch'
 "
 `;
 
 exports[`watch mode dir remove should run --watch mode, watch dir remove: Before dir remove 1`] = `
-"// created by autobarrel, do not modify directly
+"/* eslint-disable */
+// created by autobarrel, do not modify directly
 
 export * from './addedDir/'
 export * from './watch'
 "
 `;
 
 exports[`watch mode should run --watch mode, watch file add: After file add 1`] = `
-"// created by autobarrel, do not modify directly
+"/* eslint-disable */
+// created by autobarrel, do not modify directly
 
 export * from './added'
 export * from './watch'
 "
 `;
 
 exports[`watch mode should run --watch mode, watch file add: Before file add 1`] = `
-"// created by autobarrel, do not modify directly
+"/* eslint-disable */
+// created by autobarrel, do not modify directly
 
 export * from './watch'
 "
 `;
 
 exports[`watch mode should run --watch mode, watch file remove: Before file remove 1`] = `
-"// created by autobarrel, do not modify directly
+"/* eslint-disable */
+// created by autobarrel, do not modify directly
 
 export * from './watch'
 "

test/autobarrel.spec.ts

@@ -12,12 +12,22 @@ describe("autobarrel", () => {
       path.join(__dirname, "fixtures"),
       path.join(__dirname, "testing")
     )
+    try {
+      fs.rmdirSync(path.join(__dirname, "tsTesting"), { recursive: true })
+    } catch {}
+    fs.copySync(
+      path.join(__dirname, "tsFixtures"),
+      path.join(__dirname, "tsTesting")
+    )
   })
 
   afterEach(() => {
     try {
       fs.rmdirSync(path.join(__dirname, "testing"), { recursive: true })
     } catch {}
+    try {
+      fs.rmdirSync(path.join(__dirname, "tsTesting"), { recursive: true })
+    } catch {}
   })
 
   test("autobarrel tests", async () => {
@@ -40,4 +50,25 @@ describe("autobarrel", () => {
 
     expect(pathsWritten).toMatchSnapshot("Paths Written")
   })
+
+  test("autobarrel (tsconfig.json) tests", async () => {
+    const pathsWritten = await autobarrel(
+      await resolveAutobarrelConfig({
+        path: path.join(__dirname, "tsTesting", "autobarrel.json"),
+      })
+    )
+    const globFiles = glob.sync("tsTesting/**", {
+      cwd: __dirname,
+    })
+    expect(globFiles).toMatchSnapshot()
+    const indexFiles = globFiles.filter((f) => f.endsWith("index.ts"))
+
+    indexFiles.map((f) => {
+      expect(fs.readFileSync(path.join(__dirname, f), "utf8")).toMatchSnapshot(
+        f
+      )
+    })
+
+    expect(pathsWritten).toMatchSnapshot("Paths Written")
+  })
 })

test/cli.spec.ts

@@ -12,12 +12,22 @@ beforeEach(() => {
     fs.rmdirSync(path.join(__dirname, "testing"), { recursive: true })
   } catch {}
   fs.copySync(path.join(__dirname, "fixtures"), path.join(__dirname, "testing"))
+  try {
+    fs.rmdirSync(path.join(__dirname, "tsTesting"), { recursive: true })
+  } catch {}
+  fs.copySync(
+    path.join(__dirname, "tsFixtures"),
+    path.join(__dirname, "tsTesting")
+  )
 })
 
 afterEach(() => {
   try {
     fs.rmdirSync(path.join(__dirname, "testing"), { recursive: true })
   } catch {}
+  try {
+    fs.rmdirSync(path.join(__dirname, "tsTesting"), { recursive: true })
+  } catch {}
 })
 
 describe("autobarrel cli", () => {
@@ -37,6 +47,23 @@ describe("autobarrel cli", () => {
   })
 })
 
+describe("autobarrel cli (tsconfig.json)", () => {
+  test("should run the CLI", async () => {
+    childProcess.spawnSync(
+      "./cli.js",
+      ["--config", path.join(__dirname, "./tsTesting", "autobarrel.json")],
+      {
+        cwd: path.join(__dirname, "../dist"),
+        stdio: "inherit",
+      }
+    )
+    const globbed = await globAsync("tsTesting/**", {
+      cwd: __dirname,
+    })
+    expect(globbed).toMatchSnapshot()
+  })
+})
+
 describe("watch mode", () => {
   const watchArgs = [
     "--config",

test/tsFixtures/src/file.ts

@@ -0,0 +1 @@
+export const x = 1

test/tsFixtures/tsconfig.json

@@ -0,0 +1,8 @@
+{
+  "compilerOptions": {
+    "rootDir": "src",
+    "outDir": "dist",
+    "noEmit": true
+  },
+  "exclude": ["src/**/*.test.ts"]
+}