Remove defaultsDeep dependency (#2647)

Author: fisker

package.json

@@ -20,7 +20,7 @@
 		"node": "^18.20.0 || ^20.10.0 || >=21.0.0"
 	},
 	"scripts": {
-		"bundle-lodash": "echo export {defaultsDeep, camelCase, kebabCase, snakeCase, upperFirst, lowerFirst} from 'lodash-es'; | npx esbuild --bundle --outfile=rules/utils/lodash.js --format=esm",
+		"bundle-lodash": "echo export {camelCase, kebabCase, snakeCase, upperFirst, lowerFirst} from 'lodash-es'; | npx esbuild --bundle --outfile=rules/utils/lodash.js --format=esm",
 		"create-rule": "node ./scripts/create-rule.js && npm run create-rules-index-file && npm run fix:eslint-docs",
 		"create-rules-index-file": "node ./scripts/create-rules-index-file.js",
 		"fix": "run-p --continue-on-error fix:*",

rules/import-style.js

@@ -1,5 +1,4 @@
 import {getStringIfConstant} from '@eslint-community/eslint-utils';
-import {defaultsDeep} from './utils/lodash.js';
 import {isCallExpression} from './ast/index.js';
 
 const MESSAGE_ID = 'importStyle';
@@ -141,7 +140,10 @@ const create = context => {
 	] = context.options;
 
 	styles = extendDefaultStyles
-		? defaultsDeep({}, styles, defaultStyles)
+		? Object.fromEntries(
+			[...Object.keys(defaultStyles), ...Object.keys(styles)]
+				.map(name => [name, styles[name] === false ? {} : {...defaultStyles[name], ...styles[name]}]),
+		)
 		: styles;
 
 	styles = new Map(

rules/prevent-abbreviations.js

@@ -1,6 +1,6 @@
 import path from 'node:path';
 import {isRegExp} from 'node:util/types';
-import {defaultsDeep, upperFirst, lowerFirst} from './utils/lodash.js';
+import {upperFirst, lowerFirst} from './utils/lodash.js';
 import {
 	getAvailableVariableName,
 	cartesianProductSamples,
@@ -43,11 +43,14 @@ const prepareOptions = ({
 	ignore = [],
 } = {}) => {
 	const mergedReplacements = extendDefaultReplacements
-		? defaultsDeep({}, replacements, defaultReplacements)
+		? Object.fromEntries(
+			[...Object.keys(defaultReplacements), ...Object.keys(replacements)]
+				.map(name => [name, replacements[name] === false ? {} : {...defaultReplacements[name], ...replacements[name]}]),
+		)
 		: replacements;
 
 	const mergedAllowList = extendDefaultAllowList
-		? defaultsDeep({}, allowList, defaultAllowList)
+		? {...defaultAllowList, ...allowList}
 		: allowList;
 
 	ignore = [...defaultIgnore, ...ignore];