| 1 | /** |
| 2 | * Copyright (c) Meta Platforms, Inc. and affiliates. |
| 3 | * |
| 4 | * This source code is licensed under the MIT license found in the |
| 5 | * LICENSE file in the root directory of this source tree. |
| 6 | */ |
| 7 | |
| 8 | import type * as BabelCore from '@babel/core'; |
| 9 | import type * as t from '@babel/types'; |
| 10 | |
| 11 | export interface ResolvedOptions { |
| 12 | // Pre-resolved by JS |
| 13 | shouldCompile: boolean; |
| 14 | enableReanimated: boolean; |
| 15 | isDev: boolean; |
| 16 | filename: string | null; |
| 17 | |
| 18 | // Pass-through |
| 19 | compilationMode: string; |
| 20 | panicThreshold: string; |
| 21 | target: unknown; |
| 22 | gating: unknown; |
| 23 | dynamicGating: unknown; |
| 24 | noEmit: boolean; |
| 25 | outputMode: string | null; |
| 26 | eslintSuppressionRules: string[] | null; |
| 27 | flowSuppressions: boolean; |
| 28 | ignoreUseNoForget: boolean; |
| 29 | customOptOutDirectives: string[] | null; |
| 30 | environment: Record<string, unknown>; |
| 31 | } |
| 32 | |
| 33 | export interface Logger { |
| 34 | logEvent(filename: string | null, event: unknown): void; |
| 35 | debugLogIRs?(value: unknown): void; |
| 36 | } |
| 37 | |
| 38 | export type PluginOptions = Partial<ResolvedOptions> & { |
| 39 | sources?: ((filename: string) => boolean) | string[]; |
| 40 | enableReanimatedCheck?: boolean; |
| 41 | logger?: Logger | null; |
| 42 | } & Record<string, unknown>; |
| 43 | |
| 44 | /** |
| 45 | * Check if the Babel pipeline uses the Reanimated plugin. |
| 46 | */ |
| 47 | function pipelineUsesReanimatedPlugin( |
| 48 | plugins: Array<BabelCore.PluginItem> | null | undefined, |
| 49 | ): boolean { |
| 50 | if (Array.isArray(plugins)) { |
| 51 | for (const plugin of plugins) { |
| 52 | if (plugin != null && typeof plugin === 'object' && 'key' in plugin) { |
| 53 | const key = (plugin as any).key; |
| 54 | if ( |
| 55 | typeof key === 'string' && |
| 56 | key.indexOf('react-native-reanimated') !== -1 |
| 57 | ) { |
| 58 | return true; |
| 59 | } |
| 60 | } |
| 61 | } |
| 62 | } |
| 63 | // Check if reanimated module is available |
| 64 | if (typeof require !== 'undefined') { |
| 65 | try { |
| 66 | return !!require.resolve('react-native-reanimated'); |
| 67 | } catch { |
| 68 | return false; |
| 69 | } |
| 70 | } |
| 71 | return false; |
| 72 | } |
| 73 | |
| 74 | /** |
| 75 | * Prepare the environment config for JSON serialization to Rust. |
| 76 | * Converts Map instances to plain objects, pre-resolves moduleTypeProvider, |
| 77 | * and strips non-serializable fields. |
| 78 | */ |
| 79 | function serializeEnvironment( |
| 80 | rawEnv: Record<string, unknown>, |
| 81 | ast: t.File, |
| 82 | ): Record<string, unknown> { |
| 83 | const environment: Record<string, unknown> = {...rawEnv}; |
| 84 | |
| 85 | // Convert customHooks Map to plain object for JSON serialization |
| 86 | if (rawEnv.customHooks instanceof Map) { |
| 87 | const hooks: Record<string, unknown> = {}; |
| 88 | for (const [key, value] of rawEnv.customHooks) { |
| 89 | hooks[key] = value; |
| 90 | } |
| 91 | environment.customHooks = hooks; |
| 92 | } |
| 93 | |
| 94 | // Pre-resolve moduleTypeProvider: collect all import sources from AST, |
| 95 | // call the provider for each, and serialize results as a map |
| 96 | const moduleTypeProvider = rawEnv.moduleTypeProvider as |
| 97 | | ((name: string) => unknown) |
| 98 | | null |
| 99 | | undefined; |
| 100 | delete environment.moduleTypeProvider; |
| 101 | |
| 102 | if (typeof moduleTypeProvider === 'function') { |
| 103 | const moduleTypes: Record<string, unknown> = {}; |
| 104 | for (const node of ast.program.body) { |
| 105 | if ( |
| 106 | node.type === 'ImportDeclaration' && |
| 107 | typeof node.source.value === 'string' |
| 108 | ) { |
| 109 | const moduleName = node.source.value; |
| 110 | if (!(moduleName in moduleTypes)) { |
| 111 | const result = moduleTypeProvider(moduleName); |
| 112 | if (result != null) { |
| 113 | moduleTypes[moduleName] = result; |
| 114 | } |
| 115 | } |
| 116 | } |
| 117 | } |
| 118 | if (Object.keys(moduleTypes).length > 0) { |
| 119 | environment.moduleTypeProvider = moduleTypes; |
| 120 | } |
| 121 | } |
| 122 | |
| 123 | delete environment.flowTypeProvider; |
| 124 | |
| 125 | return environment; |
| 126 | } |
| 127 | |
| 128 | export function resolveOptions( |
| 129 | rawOpts: PluginOptions, |
| 130 | file: BabelCore.BabelFile, |
| 131 | filename: string | null, |
| 132 | ast: t.File, |
| 133 | ): ResolvedOptions { |
| 134 | // Resolve sources filter (may be a function) |
| 135 | let shouldCompile = true; |
| 136 | if (rawOpts.sources != null && filename != null) { |
| 137 | if (typeof rawOpts.sources === 'function') { |
| 138 | shouldCompile = rawOpts.sources(filename); |
| 139 | } else if (Array.isArray(rawOpts.sources)) { |
| 140 | shouldCompile = rawOpts.sources.some( |
| 141 | (prefix: string) => filename.indexOf(prefix) !== -1, |
| 142 | ); |
| 143 | } |
| 144 | } else if (rawOpts.sources != null && filename == null) { |
| 145 | shouldCompile = false; // sources specified but no filename |
| 146 | } |
| 147 | |
| 148 | // Resolve reanimated check |
| 149 | const enableReanimated = |
| 150 | rawOpts.enableReanimatedCheck !== false && |
| 151 | pipelineUsesReanimatedPlugin(file.opts.plugins); |
| 152 | |
| 153 | // Resolve isDev |
| 154 | const isDev = |
| 155 | (typeof globalThis !== 'undefined' && |
| 156 | (globalThis as any).__DEV__ === true) || |
| 157 | process.env['NODE_ENV'] === 'development'; |
| 158 | |
| 159 | return { |
| 160 | shouldCompile, |
| 161 | enableReanimated, |
| 162 | isDev, |
| 163 | filename, |
| 164 | compilationMode: (rawOpts.compilationMode as string) ?? 'infer', |
| 165 | panicThreshold: (rawOpts.panicThreshold as string) ?? 'none', |
| 166 | target: rawOpts.target ?? '19', |
| 167 | gating: rawOpts.gating ?? null, |
| 168 | dynamicGating: rawOpts.dynamicGating ?? null, |
| 169 | noEmit: rawOpts.noEmit ?? false, |
| 170 | outputMode: (rawOpts.outputMode as string) ?? null, |
| 171 | eslintSuppressionRules: rawOpts.eslintSuppressionRules ?? null, |
| 172 | flowSuppressions: rawOpts.flowSuppressions ?? true, |
| 173 | ignoreUseNoForget: rawOpts.ignoreUseNoForget ?? false, |
| 174 | customOptOutDirectives: rawOpts.customOptOutDirectives ?? null, |
| 175 | environment: serializeEnvironment( |
| 176 | (rawOpts.environment as Record<string, unknown>) ?? {}, |
| 177 | ast, |
| 178 | ), |
| 179 | }; |
| 180 | } |