Remove useless iterator library

dist/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@aet/eslint-rules",
-  "version": "0.0.1-beta.30",
+  "version": "0.0.1-beta.32",
   "license": "UNLICENSED",
   "peerDependencies": {
     "esbin": "^0.0.2",

esbuild.ts

@@ -8,9 +8,12 @@ import type { Loader, Plugin } from 'esbuild';
 import * as babel from '@babel/core';
 import { memoize } from 'lodash';
 import { gray, green } from 'picocolors';
-import type { types as t } from '@babel/core';
+import type { types as t, types } from '@babel/core';
 import { dependencies } from './dist/package.json';
 import { createMacro, type MacroHandler } from 'babel-plugin-macros';
+import * as polyfill from './src/polyfill';
+
+const polyfills = Object.keys(polyfill);
 
 const ENV = process.env.NODE_ENV || 'development';
 const PROD = ENV === 'production';
@@ -91,6 +94,24 @@ const map = new HandlerMap()
     ),
   );
 
+// es-iterator-helpers/Iterator.prototype.*
+const polyfillPath = resolve(__dirname, './src/polyfill.ts');
+const requirePolyfill = (t: typeof types, name: string) =>
+  t.memberExpression(
+    t.callExpression(t.identifier('require'), [t.stringLiteral(polyfillPath)]),
+    t.identifier(name),
+  );
+map.set(
+  `es-iterator-helpers/Iterator.from`,
+  replace(t => requirePolyfill(t, 'from')),
+);
+for (const name of polyfills) {
+  map.set(
+    `es-iterator-helpers/Iterator.prototype.${name}`,
+    replace(t => requirePolyfill(t, name)),
+  );
+}
+
 function replace(getReplacement: (types: typeof t) => t.Expression): MacroHandler {
   return ({ references, babel: { types: t } }) => {
     references.default.forEach(referencePath => {

package.json

@@ -15,11 +15,11 @@
     "@types/estree": "^1.0.1",
     "@types/estree-jsx": "^1.0.0",
     "@types/lodash": "^4.14.197",
-    "@types/node": "^20.5.1",
+    "@types/node": "^20.5.4",
     "@typescript-eslint/types": "^6.4.1",
     "babel-plugin-macros": "^3.1.0",
     "dts-bundle-generator": "^8.0.1",
-    "esbin": "0.0.1-beta.3",
+    "esbin": "0.0.2",
     "esbuild": "0.19.2",
     "esbuild-plugin-alias": "^0.2.1",
     "esbuild-register": "3.4.2",

pnpm-lock.yaml

@@ -33,8 +33,8 @@ devDependencies:
     specifier: ^4.14.197
     version: 4.14.197
   '@types/node':
-    specifier: ^20.5.1
-    version: 20.5.1
+    specifier: ^20.5.4
+    version: 20.5.4
   '@typescript-eslint/types':
     specifier: ^6.4.1
     version: 6.4.1
@@ -45,8 +45,8 @@ devDependencies:
     specifier: ^8.0.1
     version: 8.0.1
   esbin:
-    specifier: 0.0.1-beta.3
-    version: 0.0.1-beta.3(esbuild@0.19.2)
+    specifier: 0.0.2
+    version: 0.0.2(esbuild@0.19.2)
   esbuild:
     specifier: 0.19.2
     version: 0.19.2
@@ -1719,8 +1719,8 @@ packages:
     resolution: {integrity: sha512-BMVOiWs0uNxHVlHBgzTIqJYmj+PgCo4euloGF+5m4okL3rEYzM2EEv78mw8zWSMM57dM7kVIgJ2QDvwHSoCI5g==}
     dev: true
 
-  /@types/node@20.5.1:
-    resolution: {integrity: sha512-4tT2UrL5LBqDwoed9wZ6N3umC4Yhz3W3FloMmiiG4JwmUJWpie0c7lcnUNd4gtMKuDEO4wRVS8B6Xa0uMRsMKg==}
+  /@types/node@20.5.4:
+    resolution: {integrity: sha512-Y9vbIAoM31djQZrPYjpTLo0XlaSwOIsrlfE3LpulZeRblttsLQRFRlBAppW0LOxyT3ALj2M5vU1ucQQayQH3jA==}
     dev: true
 
   /@types/normalize-package-data@2.4.1:
@@ -2177,11 +2177,11 @@ packages:
       is-symbol: 1.0.4
     dev: true
 
-  /esbin@0.0.1-beta.3(esbuild@0.19.2):
-    resolution: {integrity: sha512-r8elIQs0Q0ArVkZJylVqiXxeNTlwvgjzK5V4lzjGDKbwobSuW2EzHBOmF8/Jb2pSTeysh0oRtXO+3YDne2U/PA==}
+  /esbin@0.0.2(esbuild@0.19.2):
+    resolution: {integrity: sha512-kmQ0D4pW0t1+VjA3YbSJQrhuuRjhqlSEPTTMrVVlJZOnfCoPbm1Hr648phOWLD2tMi9dDlFi5qE/p3ceJJcNjQ==}
     hasBin: true
     peerDependencies:
-      esbuild: '>=0.17 <1'
+      esbuild: '>=0.19 <1'
     dependencies:
       debug: 4.3.4
       esbuild: 0.19.2

src/polyfill.ts

@@ -0,0 +1,59 @@
+// es-iterator-helpers/Iterator.prototype.filter
+export function* filter<T>(
+  iterable: Iterable<T>,
+  predicate: (value: T) => boolean,
+): Iterable<T> {
+  for (const value of iterable) {
+    if (predicate(value)) {
+      yield value;
+    }
+  }
+}
+
+// es-iterator-helpers/Iterator.prototype.forEach
+export function forEach<T>(iterable: Iterable<T>, callback: (value: T) => void) {
+  for (const value of iterable) {
+    callback(value);
+  }
+}
+
+// es-iterator-helpers/Iterator.prototype.some
+export function some<T>(
+  iterable: Iterable<T>,
+  predicate: (value: T) => boolean,
+): boolean {
+  for (const value of iterable) {
+    if (predicate(value)) {
+      return true;
+    }
+  }
+
+  return false;
+}
+
+// es-iterator-helpers/Iterator.prototype.find
+export function find<T>(
+  iterable: Iterable<T>,
+  predicate: (value: T) => boolean,
+): T | undefined {
+  for (const value of iterable) {
+    if (predicate(value)) {
+      return value;
+    }
+  }
+}
+
+// es-iterator-helpers/Iterator.from
+export function from<T>(iterable: Iterable<T>) {
+  return iterable;
+}
+
+// es-iterator-helpers/Iterator.prototype.map
+export function* map<T, U>(
+  iterable: Iterable<T>,
+  callback: (value: T) => U,
+): Iterable<U> {
+  for (const value of iterable) {
+    yield callback(value);
+  }
+}