RunReactCompiler.ts — react Source File

Source Code

/**
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */

import {transformFromAstSync} from '@babel/core';
import {parse as babelParse} from '@babel/parser';
import {File} from '@babel/types';
import BabelPluginReactCompiler, {
  parsePluginOptions,
  validateEnvironmentConfig,
  type PluginOptions,
} from 'babel-plugin-react-compiler/src';
import {Logger, LoggerEvent} from 'babel-plugin-react-compiler/src/Entrypoint';
import type {SourceCode} from 'eslint';
// @ts-expect-error: no types available
import * as HermesParser from 'hermes-parser';
import {isDeepStrictEqual} from 'util';
import type {ParseResult} from '@babel/parser';

const COMPILER_OPTIONS: PluginOptions = {
  outputMode: 'lint',
  panicThreshold: 'none',
  // Don't emit errors on Flow suppressions--Flow already gave a signal
  flowSuppressions: false,
  environment: validateEnvironmentConfig({
    validateRefAccessDuringRender: true,
    validateNoSetStateInRender: true,
    validateNoSetStateInEffects: true,
    validateNoJSXInTryStatements: true,
    validateNoImpureFunctionsInRender: true,
    validateStaticComponents: true,
    validateNoFreezingKnownMutableFunctions: true,
    validateNoVoidUseMemo: true,
    // TODO: remove, this should be in the type system
    validateNoCapitalizedCalls: [],
    validateHooksUsage: true,
    validateNoDerivedComputationsInEffects: true,
  }),
};

export type RunCacheEntry = {
  sourceCode: string;
  filename: string;
  userOpts: PluginOptions;
  flowSuppressions: Array<{line: number; code: string}>;
  events: Array<LoggerEvent>;
};

type RunParams = {
  sourceCode: SourceCode;
  filename: string;
  userOpts: PluginOptions;
};
const FLOW_SUPPRESSION_REGEX = /\$FlowFixMe\[([^\]]*)\]/g;

function getFlowSuppressions(
  sourceCode: SourceCode,
// ... (172 more lines)