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compiler/packages/babel-plugin-react-compiler/src/ReactiveScopes/CollectReferencedGlobals.ts
43 строки
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Jan Kassens
Compiler: unfork prettier config (#30205)
19 июл 2024, 00:00
Не верифицирован
19 июл 2024, 00:00
fd2b3e1
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/** * 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 {visitReactiveFunction} from '.'; import {InstructionId, Place, ReactiveFunction, ReactiveValue} from '../HIR'; import {ReactiveFunctionVisitor} from './visitors'; /** * Returns a set of unique globals (by name) that are referenced transitively within the function. */ export function collectReferencedGlobals(fn: ReactiveFunction): Set<string> { const identifiers = new Set<string>(); visitReactiveFunction(fn, new Visitor(), identifiers); return identifiers; } class Visitor extends ReactiveFunctionVisitor<Set<string>> { override visitValue( id: InstructionId, value: ReactiveValue, state: Set<string>, ): void { this.traverseValue(id, value, state); if (value.kind === 'FunctionExpression' || value.kind === 'ObjectMethod') { this.visitHirFunction(value.loweredFunc.func, state); } else if (value.kind === 'LoadGlobal') { state.add(value.binding.name); } } override visitReactiveFunctionValue( _id: InstructionId, _dependencies: Array<Place>, fn: ReactiveFunction, state: Set<string>, ): void { visitReactiveFunction(fn, this, state); } }