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ValidatePreservedManualMemoization.ts — react Source File

Architecture documentation for ValidatePreservedManualMemoization.ts, a typescript file in the react codebase. 20 imports, 0 dependents.

File typescript BabelCompiler Validation 20 imports 7 functions 1 classes

Entity Profile

Dependency Diagram

graph LR
  24b95621_3482_c406_4b63_5b9d9e94b5af["ValidatePreservedManualMemoization.ts"]
  e96f281e_f381_272d_2359_3e6a091c9a1d["CompilerError.ts"]
  24b95621_3482_c406_4b63_5b9d9e94b5af --> e96f281e_f381_272d_2359_3e6a091c9a1d
  0fda7f86_b7a3_c1f2_f0d9_8d13eed4f042["CompilerDiagnostic"]
  24b95621_3482_c406_4b63_5b9d9e94b5af --> 0fda7f86_b7a3_c1f2_f0d9_8d13eed4f042
  e51fd0d2_bb38_cc97_7763_efe37f300a47["CompilerError"]
  24b95621_3482_c406_4b63_5b9d9e94b5af --> e51fd0d2_bb38_cc97_7763_efe37f300a47
  a2b91621_58d3_1d04_4663_00cd808f1034["ErrorCategory"]
  24b95621_3482_c406_4b63_5b9d9e94b5af --> a2b91621_58d3_1d04_4663_00cd808f1034
  0423f759_97e0_9101_4634_ed555abc5ca9["index.ts"]
  24b95621_3482_c406_4b63_5b9d9e94b5af --> 0423f759_97e0_9101_4634_ed555abc5ca9
  6976a9ee_9d8e_4f16_3016_495f39aff2fd["PrintHIR.ts"]
  24b95621_3482_c406_4b63_5b9d9e94b5af --> 6976a9ee_9d8e_4f16_3016_495f39aff2fd
  e7a01d7c_c128_be66_a07d_007952a380da["printIdentifier"]
  24b95621_3482_c406_4b63_5b9d9e94b5af --> e7a01d7c_c128_be66_a07d_007952a380da
  7791fd4d_5296_2b3e_4771_a3069a4070ed["printManualMemoDependency"]
  24b95621_3482_c406_4b63_5b9d9e94b5af --> 7791fd4d_5296_2b3e_4771_a3069a4070ed
  2f3caf55_cc64_415c_55dd_9771ba7dc210["visitors.ts"]
  24b95621_3482_c406_4b63_5b9d9e94b5af --> 2f3caf55_cc64_415c_55dd_9771ba7dc210
  21b1eb1e_eaf5_5238_3a24_f56eb8ef7278["eachInstructionValueLValue"]
  24b95621_3482_c406_4b63_5b9d9e94b5af --> 21b1eb1e_eaf5_5238_3a24_f56eb8ef7278
  b2fc2985_a7ba_9865_c2a3_2a7531f27d44["eachInstructionValueOperand"]
  24b95621_3482_c406_4b63_5b9d9e94b5af --> b2fc2985_a7ba_9865_c2a3_2a7531f27d44
  4b3f307b_2e5b_6c5a_0729_065bd25db103["DropManualMemoization.ts"]
  24b95621_3482_c406_4b63_5b9d9e94b5af --> 4b3f307b_2e5b_6c5a_0729_065bd25db103
  3bcb17a7_3310_8c3d_0a8d_2a7f62d66083["collectMaybeMemoDependencies"]
  24b95621_3482_c406_4b63_5b9d9e94b5af --> 3bcb17a7_3310_8c3d_0a8d_2a7f62d66083
  21609915_b03a_fd75_b58a_4cb86ef9315b["visitors.ts"]
  24b95621_3482_c406_4b63_5b9d9e94b5af --> 21609915_b03a_fd75_b58a_4cb86ef9315b
  style 24b95621_3482_c406_4b63_5b9d9e94b5af fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

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 {
  CompilerDiagnostic,
  CompilerError,
  ErrorCategory,
} from '../CompilerError';
import {
  DeclarationId,
  Effect,
  GeneratedSource,
  Identifier,
  IdentifierId,
  InstructionValue,
  ManualMemoDependency,
  PrunedReactiveScopeBlock,
  ReactiveFunction,
  ReactiveInstruction,
  ReactiveScopeBlock,
  ReactiveScopeDependency,
  ReactiveValue,
  ScopeId,
  SourceLocation,
} from '../HIR';
import {printIdentifier, printManualMemoDependency} from '../HIR/PrintHIR';
import {
  eachInstructionValueLValue,
  eachInstructionValueOperand,
} from '../HIR/visitors';
import {collectMaybeMemoDependencies} from '../Inference/DropManualMemoization';
import {
  ReactiveFunctionVisitor,
  visitReactiveFunction,
} from '../ReactiveScopes/visitors';
import {Result} from '../Utils/Result';
import {getOrInsertDefault} from '../Utils/utils';

/**
 * Validates that all explicit manual memoization (useMemo/useCallback) was accurately
 * preserved, and that no originally memoized values became unmemoized in the output.
 *
 * This can occur if a value's mutable range somehow extended to include a hook and
 * was pruned.
 */
export function validatePreservedManualMemoization(
  fn: ReactiveFunction,
): Result<void, CompilerError> {
  const state = {
    errors: new CompilerError(),
    manualMemoState: null,
  };
  visitReactiveFunction(fn, new Visitor(), state);
  return state.errors.asResult();
}

// ... (550 more lines)

Domain

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Functions

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Source

Frequently Asked Questions

What does ValidatePreservedManualMemoization.ts do?
ValidatePreservedManualMemoization.ts is a source file in the react codebase, written in typescript. It belongs to the BabelCompiler domain, Validation subdomain.
What functions are defined in ValidatePreservedManualMemoization.ts?
ValidatePreservedManualMemoization.ts defines 7 function(s): compareDeps, getCompareDependencyResultDescription, isUnmemoized, merge, prettyPrintScopeDependency, validateInferredDep, validatePreservedManualMemoization.
What does ValidatePreservedManualMemoization.ts depend on?
ValidatePreservedManualMemoization.ts imports 20 module(s): CompilerDiagnostic, CompilerError, CompilerError.ts, DropManualMemoization.ts, ErrorCategory, PrintHIR.ts, ReactiveFunctionVisitor, Result, and 12 more.
Where is ValidatePreservedManualMemoization.ts in the architecture?
ValidatePreservedManualMemoization.ts is located at compiler/packages/babel-plugin-react-compiler/src/Validation/ValidatePreservedManualMemoization.ts (domain: BabelCompiler, subdomain: Validation, directory: compiler/packages/babel-plugin-react-compiler/src/Validation).

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