@embroider/reverse-exports - npm Package Compare versions

Comparing version 0.1.1-unstable.f73dd26 to 0.1.1-unstable.f7656a3

package.json

 {
   "name": "@embroider/reverse-exports",
-  "version": "0.1.1-unstable.f73dd26",
+  "version": "0.1.1-unstable.f7656a3",
   "description": "",
@@ -5,0 +5,0 @@ "main": "src/index.js",

src/index.js

 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
 exports._findPathRecursively = _findPathRecursively;
-exports.default = reversePackageExports;
+exports.externalName = externalName;
 exports._prepareStringForRegex = _prepareStringForRegex;
@@ -65,7 +65,15 @@ const path_1 = require("path");
 }
-function reversePackageExports({ exports: exportsObj, name }, relativePath) {
-    if (!exportsObj) {
-        return path_1.posix.join(name, relativePath);
+/*
+  Takes a relativePath that is relative to the package root and produces its
+  externally-addressable name.
+
+  Returns undefined for a relativePath that is forbidden to be accessed from the
+  outside.
+*/
+function externalName(pkg, relativePath) {
+    let { exports } = pkg;
+    if (!exports) {
+        return path_1.posix.join(pkg.name, relativePath);
     }
-    const maybeKeyValuePair = _findPathRecursively(exportsObj, candidate => {
+    const maybeKeyValuePair = _findPathRecursively(exports, candidate => {
         const regex = new RegExp(_prepareStringForRegex(candidate));
@@ -75,3 +83,3 @@ return regex.test(relativePath);
     if (!maybeKeyValuePair) {
-        throw new Error(`You tried to reverse exports for the file \`${relativePath}\` in package \`${name}\` but it does not match any of the exports rules defined in package.json. This means it should not be possible to access directly.`);
+        return undefined;
     }
@@ -82,3 +90,3 @@ const { key, value } = maybeKeyValuePair;
     }
-    const maybeResolvedPaths = (0, resolve_exports_1.exports)({ name, exports: { [value]: key } }, relativePath);
+    const maybeResolvedPaths = (0, resolve_exports_1.exports)({ name: pkg.name, exports: { [value]: key } }, relativePath);
     if (!maybeResolvedPaths) {
@@ -88,3 +96,3 @@ throw new Error(`Bug Discovered! \`_findPathRecursively()\` must always return a string value but instead it found a ${typeof value}. Please report this as an issue to https://github.com/embroider-build/embroider/issues/new`);
     const [resolvedPath] = maybeResolvedPaths;
-    return resolvedPath.replace(/^./, name);
+    return path_1.posix.join(pkg.name, resolvedPath);
 }
@@ -91,0 +99,0 @@ function _prepareStringForRegex(input) {

src/index.ts

 import { posix } from 'path';
 import { exports as resolveExports } from 'resolve.exports';
 
+type PkgJSON = { name: string; exports?: Exports };
 type Exports = string | string[] | { [key: string]: Exports };
@@ -75,11 +76,16 @@
 
-export default function reversePackageExports(
-  { exports: exportsObj, name }: { exports?: Exports; name: string },
-  relativePath: string
-): string {
-  if (!exportsObj) {
-    return posix.join(name, relativePath);
+/*
+  Takes a relativePath that is relative to the package root and produces its
+  externally-addressable name.
+
+  Returns undefined for a relativePath that is forbidden to be accessed from the
+  outside.
+*/
+export function externalName(pkg: PkgJSON, relativePath: string): string | undefined {
+  let { exports } = pkg;
+  if (!exports) {
+    return posix.join(pkg.name, relativePath);
   }
 
-  const maybeKeyValuePair = _findPathRecursively(exportsObj, candidate => {
+  const maybeKeyValuePair = _findPathRecursively(exports, candidate => {
     const regex = new RegExp(_prepareStringForRegex(candidate));
@@ -91,5 +97,3 @@
   if (!maybeKeyValuePair) {
-    throw new Error(
-      `You tried to reverse exports for the file \`${relativePath}\` in package \`${name}\` but it does not match any of the exports rules defined in package.json. This means it should not be possible to access directly.`
-    );
+    return undefined;
   }
@@ -103,3 +107,3 @@
 
-  const maybeResolvedPaths = resolveExports({ name, exports: { [value]: key } }, relativePath);
+  const maybeResolvedPaths = resolveExports({ name: pkg.name, exports: { [value]: key } }, relativePath);
 
@@ -114,3 +118,3 @@ if (!maybeResolvedPaths) {
 
-  return resolvedPath.replace(/^./, name);
+  return posix.join(pkg.name, resolvedPath);
 }
@@ -117,0 +121,0 @@

tests/reverse-exports.test.ts

@@ -1,6 +0,6 @@
-import reversePackageExports, { _findPathRecursively, _prepareStringForRegex } from '../src';
+import { externalName, _findPathRecursively, _prepareStringForRegex } from '../src';
 
 describe('reverse exports', function () {
   it('exports is missing', function () {
-    expect(reversePackageExports({ name: 'best-addon' }, './dist/_app_/components/face.js')).toBe(
+    expect(externalName({ name: 'best-addon' }, './dist/_app_/components/face.js')).toBe(
       'best-addon/dist/_app_/components/face.js'
@@ -11,3 +11,3 @@ );
   it('exports is a string', function () {
-    const actual = reversePackageExports(
+    const actual = externalName(
       {
@@ -23,3 +23,3 @@ name: 'my-addon',
   it('exports is an object with one entry', function () {
-    const actual = reversePackageExports(
+    const actual = externalName(
       {
@@ -48,8 +48,8 @@ name: 'my-addon',
     };
-    expect(reversePackageExports(packageJson, './main.js')).toBe('my-addon');
-    expect(reversePackageExports(packageJson, './secondary.js')).toBe('my-addon/sub/path');
-    expect(reversePackageExports(packageJson, './directory/some/file.js')).toBe('my-addon/prefix/some/file.js');
-    expect(reversePackageExports(packageJson, './other-directory/file.js')).toBe('my-addon/prefix/deep/file.js');
-    expect(reversePackageExports(packageJson, './yet-another/deep/file.js')).toBe('my-addon/other-prefix/deep/file');
-    expect(reversePackageExports(packageJson, './grod/very/deep/file.js')).toBe('my-addon/glob/very/deep/file');
+    expect(externalName(packageJson, './main.js')).toBe('my-addon');
+    expect(externalName(packageJson, './secondary.js')).toBe('my-addon/sub/path');
+    expect(externalName(packageJson, './directory/some/file.js')).toBe('my-addon/prefix/some/file.js');
+    expect(externalName(packageJson, './other-directory/file.js')).toBe('my-addon/prefix/deep/file.js');
+    expect(externalName(packageJson, './yet-another/deep/file.js')).toBe('my-addon/other-prefix/deep/file');
+    expect(externalName(packageJson, './grod/very/deep/file.js')).toBe('my-addon/glob/very/deep/file');
   });
@@ -64,4 +64,4 @@
     };
-    expect(reversePackageExports(packageJson, './good-things/apple.js')).toBe('my-addon/things/apple.js');
-    expect(reversePackageExports(packageJson, './bad-things/apple.js')).toBe('my-addon/things/apple.js');
+    expect(externalName(packageJson, './good-things/apple.js')).toBe('my-addon/things/apple.js');
+    expect(externalName(packageJson, './bad-things/apple.js')).toBe('my-addon/things/apple.js');
   });
@@ -78,5 +78,5 @@
     };
-    expect(reversePackageExports(packageJson, './index-module.js')).toBe('my-addon');
-    expect(reversePackageExports(packageJson, './index-require.cjs')).toBe('my-addon');
-    expect(reversePackageExports(packageJson, './index.js')).toBe('my-addon');
+    expect(externalName(packageJson, './index-module.js')).toBe('my-addon');
+    expect(externalName(packageJson, './index-require.cjs')).toBe('my-addon');
+    expect(externalName(packageJson, './index.js')).toBe('my-addon');
   });
@@ -95,5 +95,5 @@
     };
-    expect(reversePackageExports(packageJson, './index-module.js')).toBe('my-addon');
-    expect(reversePackageExports(packageJson, './index-require.cjs')).toBe('my-addon');
-    expect(reversePackageExports(packageJson, './index.js')).toBe('my-addon');
+    expect(externalName(packageJson, './index-module.js')).toBe('my-addon');
+    expect(externalName(packageJson, './index-require.cjs')).toBe('my-addon');
+    expect(externalName(packageJson, './index.js')).toBe('my-addon');
   });
@@ -112,5 +112,5 @@
     };
-    expect(reversePackageExports(packageJson, './index.js')).toBe('my-addon');
-    expect(reversePackageExports(packageJson, './feature-node.cjs')).toBe('my-addon/feature.js');
-    expect(reversePackageExports(packageJson, './feature.js')).toBe('my-addon/feature.js');
+    expect(externalName(packageJson, './index.js')).toBe('my-addon');
+    expect(externalName(packageJson, './feature-node.cjs')).toBe('my-addon/feature.js');
+    expect(externalName(packageJson, './feature.js')).toBe('my-addon/feature.js');
   });
@@ -129,8 +129,8 @@
     };
-    expect(reversePackageExports(packageJson, './feature-node.mjs')).toBe('my-addon');
-    expect(reversePackageExports(packageJson, './feature-node.cjs')).toBe('my-addon');
-    expect(reversePackageExports(packageJson, './feature.mjs')).toBe('my-addon');
+    expect(externalName(packageJson, './feature-node.mjs')).toBe('my-addon');
+    expect(externalName(packageJson, './feature-node.cjs')).toBe('my-addon');
+    expect(externalName(packageJson, './feature.mjs')).toBe('my-addon');
   });
 
-  it('should throw when no exports entry is matching', function () {
+  it('should return undefined when no exports entry is matching', function () {
     const packageJson = {
@@ -147,5 +147,3 @@ name: 'my-addon',
 
-    expect(() => reversePackageExports(packageJson, './foo.bar')).toThrow(
-      'You tried to reverse exports for the file `./foo.bar` in package `my-addon` but it does not match any of the exports rules defined in package.json. This means it should not be possible to access directly.'
-    );
+    expect(externalName(packageJson, './foo.bar')).toBe(undefined);
   });
@@ -166,3 +164,3 @@
 
-    expect(reversePackageExports(packageJson, './dist/_app_/components/welcome-page.js')).toBe(
+    expect(externalName(packageJson, './dist/_app_/components/welcome-page.js')).toBe(
       'my-v2-addon/_app_/components/welcome-page'
@@ -169,0 +167,0 @@ );

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Found 1 instance in 1 package

Fixed alerts

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Improved metrics

Lines of code

467

increased by1.74%

Worsened metrics

Total package byte prevSize

18333

decreased by-2.36%

No dependency changes