mirror of
https://github.com/morluto/rea.git
synced 2026-11-12 01:41:21 +00:00
morluto
cb4e5cfbff
* refactor(analysis): centralize resource budgets and recovery facts * feat(analysis): expose ASAR and Ghidra runtime admission controls * feat(artifacts): expose reader admission and preserve limited recognition * feat(javascript): expose recoverable semantic precision budgets * feat(web): add recoverable source-map budgets and compact retained views * feat(web): make historical capture decoding budgets recoverable * fix(desktop): enforce selected view policies across capture and export * feat(runtime): make Frida and LLDB retention budgets selectable * feat(native): expose diagnostic budgets and preserve exhaustion causes * feat(managed): expose recoverable snapshot and representation budgets * feat(metadata): make Go and Rust inspection budgets recoverable * feat(wasm): expose representation and producer admissions * feat(evm): expose per-call worker resource budgets * feat(android): make resource and string-pool omissions recoverable * feat(producers): expose command and recorded-capture budgets * docs(analysis): record recovery contracts and integrated validation * fix(docs): link calibration oracle from published verification pages * fix(docs): restore desktop task anchors and receipt links * test(analysis): align fixtures with selectable budget contracts * fix(analysis): remove source-location projector dependency cycle * test(analysis): refresh budget recovery and verifier regressions * test(analysis): preserve format and publication recovery expectations * test(windows): align conformance with owned runtime admission * fix(desktop): preserve selected alias kinds in exported state * test(analysis): align provider fixtures with recoverable budgets * test(desktop): validate emitted alias metadata structurally * fix(ghidra): classify bounded Windows endpoint refusals * test(cli): assert selectable artifact admission recovery * fix(cli): preserve capture provenance in environment builds
1864 lines
64 KiB
TypeScript
1864 lines
64 KiB
TypeScript
import {
|
|
semanticCapturedSelectionsAfterPropertyRead,
|
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semanticProjectedSourceFactsAtRead,
|
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semanticProjectedSourceEligibilityAtRead,
|
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semanticNormalizeCapturedSelections,
|
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semanticShiftCapturedSelections,
|
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type SemanticCapturedSelection,
|
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} from "./javascriptSemanticProjectedSources.js";
|
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import * as t from "@babel/types";
|
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import { traverseJavaScriptValueAst } from "./javascriptSemanticTraversal.js";
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|
|
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import { BUILTIN_RESOURCE_METHODS } from "./javascriptBuiltinResourceMethods.js";
|
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import { javaScriptRuntimeContext } from "./javascriptSourceParser.js";
|
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import type { JavaScriptModuleOrigin } from "./javascriptSemanticIr.js";
|
|
import {
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resolveSemanticBindingState,
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semanticResolutionBlocked,
|
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semanticStableInitializer,
|
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type JavaScriptSemanticAnalysisState,
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type JavaScriptBindingIndex,
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|
} from "./javascriptSemanticState.js";
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import {
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commonJsWrapperBindingDeclaration,
|
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isUnmodifiedCommonJsWrapperBinding,
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semanticBindingAtRead,
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semanticBindingHasPriorValueWrite,
|
|
semanticEffectTiming,
|
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semanticTopLevelEffectFollowsCapture,
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} from "./javascriptSemanticMutationInitializers.js";
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import {
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semanticStaticPropertyKey,
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semanticMemberChain,
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unwrapJavaScriptExpression,
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} from "./javascriptAstValues.js";
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import { semanticPropertyPathKeyMatches } from "./javascriptSemanticPropertyPaths.js";
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import {
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staticSourceRelativeUrlPath,
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stringValue,
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} from "./javascriptStaticAnalysisHelpers.js";
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import { createSemanticModuleInterop } from "./javascriptModuleInterop.js";
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import { createSemanticReturnedReferences } from "./javascriptSemanticReturnedReferences.js";
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import { semanticIterationSources } from "./javascriptSemanticIterationSources.js";
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import {
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semanticCommonJsRequireOwnEnumerableAt,
|
|
semanticReferenceSourcesInactive,
|
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} from "./javascriptSemanticReferenceSources.js";
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import {
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semanticArrayPropertyReferences,
|
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semanticObjectPropertyReferences,
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|
} from "./javascriptSemanticObjectReferences.js";
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import {
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SemanticAliasSelections,
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semanticAliasSelectionChoices,
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type SemanticAliasSelectionPath,
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} from "./javascriptSemanticAliasSelections.js";
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import {
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semanticRequireOriginReaders,
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type JavaScriptRequireLoaderFact,
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type JavaScriptRequireOrigin,
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} from "./javascriptSemanticRequireOriginSlot.js";
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import {
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isUnmodifiedGlobalReference,
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isUnmodifiedImportMetaUrl,
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|
} from "./javascriptSemanticAmbientWrites.js";
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|
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export type {
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JavaScriptRequireLoaderFact,
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JavaScriptRequireOrigin,
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|
} from "./javascriptSemanticRequireOriginSlot.js";
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|
|
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const possibleCommonJsDelegateWriteStates =
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new WeakSet<JavaScriptSemanticAnalysisState>();
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|
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/** Source eligibility only; the shared write owner still proves receiver identity. */
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export const observePossibleCommonJsDelegateWrite = (
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node: t.Node,
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state: JavaScriptSemanticAnalysisState,
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): void => {
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if (possibleCommonJsDelegateWriteStates.has(state)) return;
|
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const target = t.isAssignmentExpression(node)
|
|
? node.left
|
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: t.isUpdateExpression(node) ||
|
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t.isUnaryExpression(node, { operator: "delete" })
|
|
? node.argument
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: undefined;
|
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if (
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semanticIterationSources(node, state.parentsByNode.get(node) ?? null).some(
|
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(source) => source.kind === "reference-store",
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)
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)
|
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possibleCommonJsDelegateWriteStates.add(state);
|
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if (
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|
(t.isMemberExpression(target) || t.isOptionalMemberExpression(target)) &&
|
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["require", null].includes(
|
|
semanticStaticPropertyKey(target.property, target.computed),
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)
|
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)
|
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possibleCommonJsDelegateWriteStates.add(state);
|
|
else if (t.isCallExpression(node) || t.isOptionalCallExpression(node))
|
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possibleCommonJsDelegateWriteStates.add(state);
|
|
};
|
|
|
|
export const hasPossibleCommonJsDelegateWrite = (
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state: JavaScriptSemanticAnalysisState,
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|
): boolean => possibleCommonJsDelegateWriteStates.has(state);
|
|
|
|
/** Member effects settle at the shared indexing boundary, invalidating derived delegates. */
|
|
export const invalidateSemanticRequireDelegateWrites = (
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state: JavaScriptSemanticAnalysisState,
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|
): void => {
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moduleRequireWrites.delete(state);
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moduleReturnedReferences.delete(state);
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|
};
|
|
|
|
const commonJsDelegateChangedAt = (
|
|
node: t.Node,
|
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state: JavaScriptSemanticAnalysisState,
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|
): boolean =>
|
|
writesModuleRequire(state).some(
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(write) => semanticEffectTiming(node, write.node, state) !== "after",
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);
|
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|
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const commonJsLoaderAt = (
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node: t.Node,
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state: JavaScriptSemanticAnalysisState,
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|
): JavaScriptRequireLoaderFact =>
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commonJsDelegateChangedAt(node, state) ? "unknown" : "commonjs-loader";
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|
|
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/** Associate wrapper lookups with their loader; this does not claim execution. */
|
|
export const semanticRequireLoaderAt = (
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node: t.CallExpression | t.OptionalCallExpression | t.NewExpression,
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state: JavaScriptSemanticAnalysisState,
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factoryBindingIds: ReadonlySet<string>,
|
|
): JavaScriptRequireLoaderFact => {
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const callee = unwrapJavaScriptExpression(node.callee).node;
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const loader =
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(t.isMemberExpression(callee) || t.isOptionalMemberExpression(callee)) &&
|
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["resolve", "main"].includes(
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semanticStaticPropertyKey(callee.property, callee.computed) ?? "",
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)
|
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? callee.object
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: callee;
|
|
const selected = selectedRequireSourcesAt(
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loader,
|
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node,
|
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state,
|
|
factoryBindingIds,
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|
)?.loader;
|
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return selected !== undefined && selected !== "unknown"
|
|
? selected
|
|
: requireLoaderValueAt(loader, node, state, factoryBindingIds);
|
|
};
|
|
|
|
/** Classify Node's wrapper and exact factory bindings by their lexical owner. */
|
|
const requireLoaderValueAt = (
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value: t.Node,
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node: t.Node,
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state: JavaScriptSemanticAnalysisState,
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factoryBindingIds: ReadonlySet<string>,
|
|
): JavaScriptRequireLoaderFact => {
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|
const callee = unwrapJavaScriptExpression(value).node;
|
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// Only the selected require function is callable as the host loader.
|
|
// Its resolve/main members remain association facts in the wrapper above.
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|
if (!t.isIdentifier(callee)) return "local";
|
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const loader = callee;
|
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const binding = resolveSemanticBindingState(state, loader, loader.name);
|
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if (binding !== undefined && factoryBindingIds.has(binding.bindingId))
|
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return semanticBindingHasPriorValueWrite(node, binding, state)
|
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? "unknown"
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: "factory-loader";
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|
if (binding !== undefined && isSemanticCreateRequireBinding(binding, state))
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|
return "create-require";
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if (loader.name !== "require") return "local";
|
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if (binding === undefined) {
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if (
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javaScriptRuntimeContext(state.program) !== "commonjs" ||
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semanticResolutionBlocked(state, loader, "require")
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)
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return "unknown";
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return (state.ambientBindingWrites.get("require") ?? []).some(
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(write) => semanticEffectTiming(node, write, state) !== "after",
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)
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? "unknown"
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: commonJsLoaderAt(node, state);
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}
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if (
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binding.hostOrigin === "commonjs-wrapper" &&
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[...binding.declarationKinds].every((kind) => kind === "var")
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) {
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if (binding.definitions.some(({ kind }) => kind === "function"))
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return "local";
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return semanticBindingHasPriorValueWrite(node, binding, state)
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? "unknown"
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: commonJsLoaderAt(node, state);
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}
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if (
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(t.isCallExpression(node) ||
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t.isOptionalCallExpression(node) ||
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t.isNewExpression(node)) &&
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isWrapperRequireInitializerCall(binding, node, state)
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)
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return binding.hostOrigin === "commonjs-wrapper" ||
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javaScriptRuntimeContext(state.program) === "commonjs"
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? commonJsLoaderAt(node, state)
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: "unknown";
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const wrapperBinding = commonJsWrapperBindingDeclaration(
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loader,
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"require",
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state,
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);
|
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if (
|
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wrapperBinding !== undefined &&
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!semanticBindingHasPriorValueWrite(node, wrapperBinding, state)
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)
|
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return commonJsLoaderAt(node, state);
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const initializer = semanticStableInitializer(binding, state)?.node;
|
|
if (
|
|
(binding.kind === "function" || binding.kind === "class") &&
|
|
initializer !== undefined
|
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)
|
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return "local";
|
|
if (
|
|
binding.declarationKinds.size === 1 &&
|
|
binding.declarationKinds.has("const") &&
|
|
(t.isFunctionExpression(initializer) ||
|
|
t.isArrowFunctionExpression(initializer))
|
|
)
|
|
return "local";
|
|
return "unknown";
|
|
};
|
|
|
|
/** Classify a call through an exact recovered factory-loader binding. */
|
|
export const semanticFactoryRequireLoaderAt = (
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node: t.CallExpression | t.OptionalCallExpression | t.NewExpression,
|
|
state: JavaScriptSemanticAnalysisState,
|
|
bindingIds: ReadonlySet<string>,
|
|
): JavaScriptRequireLoaderFact | undefined => {
|
|
const callee = unwrapJavaScriptExpression(node.callee).node;
|
|
if (t.isIdentifier(callee))
|
|
return semanticFactoryLoaderMemberAt(node, state, bindingIds, null);
|
|
if (
|
|
(t.isMemberExpression(callee) || t.isOptionalMemberExpression(callee)) &&
|
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semanticStaticPropertyKey(callee.property, callee.computed) === "bind"
|
|
)
|
|
return semanticFactoryLoaderMemberAt(node, state, bindingIds, "bind");
|
|
return undefined;
|
|
};
|
|
|
|
/** Classify an exact loader call by binding identity and expected member. */
|
|
export const semanticFactoryLoaderMemberAt = (
|
|
node: t.CallExpression | t.OptionalCallExpression | t.NewExpression,
|
|
state: JavaScriptSemanticAnalysisState,
|
|
bindingIds: ReadonlySet<string>,
|
|
member: string | null,
|
|
): JavaScriptRequireLoaderFact | undefined => {
|
|
const callee = unwrapJavaScriptExpression(node.callee).node;
|
|
let loader: t.Identifier | undefined;
|
|
if (member === null) {
|
|
if (t.isIdentifier(callee)) loader = callee;
|
|
} else if (
|
|
(t.isMemberExpression(callee) || t.isOptionalMemberExpression(callee)) &&
|
|
semanticStaticPropertyKey(callee.property, callee.computed) === member
|
|
) {
|
|
const root = unwrapJavaScriptExpression(callee.object).node;
|
|
if (t.isIdentifier(root)) loader = root;
|
|
}
|
|
if (loader === undefined) return undefined;
|
|
const binding = resolveSemanticBindingState(state, loader, loader.name);
|
|
if (binding === undefined || !bindingIds.has(binding.bindingId))
|
|
return undefined;
|
|
return semanticBindingHasPriorValueWrite(node, binding, state)
|
|
? "unknown"
|
|
: "factory-loader";
|
|
};
|
|
|
|
const isSemanticCreateRequireBinding = (
|
|
binding: NonNullable<ReturnType<typeof resolveSemanticBindingState>>,
|
|
state: JavaScriptSemanticAnalysisState,
|
|
): boolean => {
|
|
if (binding.initializers.length !== 1) return false;
|
|
const initializer = semanticStableInitializer(binding, state)?.node;
|
|
return (
|
|
createRequireFactoryCallAt(initializer, state)?.loader === "create-require"
|
|
);
|
|
};
|
|
|
|
/** Retain the factory's actual certainty for both proof and eligibility consumers. */
|
|
const createRequireFactoryCallAt = (
|
|
initializer: t.Node | undefined,
|
|
state: JavaScriptSemanticAnalysisState,
|
|
factoryBindingIds: ReadonlySet<string> = new Set(),
|
|
):
|
|
| Pick<
|
|
JavaScriptRequireCallFact,
|
|
"loader" | "sourceRelative" | "sourceRelativePath"
|
|
>
|
|
| undefined =>
|
|
!t.isCallExpression(initializer)
|
|
? undefined
|
|
: selectedRequireSourcesAt(
|
|
initializer.callee,
|
|
initializer,
|
|
state,
|
|
factoryBindingIds,
|
|
"factory",
|
|
);
|
|
|
|
type SourceRelativeCreateRequireBase =
|
|
| { readonly kind: "source-file" }
|
|
| { readonly kind: "source-relative-file"; readonly path: string };
|
|
|
|
const sourceRelativeCreateRequireBaseAt = (
|
|
value: t.Node | undefined,
|
|
state: JavaScriptSemanticAnalysisState,
|
|
): SourceRelativeCreateRequireBase | undefined => {
|
|
if (value === undefined) return undefined;
|
|
if (isUnmodifiedImportMetaUrl(value, state)) return { kind: "source-file" };
|
|
if (!t.isNewExpression(value) || value.arguments.length !== 2)
|
|
return undefined;
|
|
const callee = unwrapJavaScriptExpression(value.callee).node;
|
|
if (
|
|
!t.isIdentifier(callee, { name: "URL" }) ||
|
|
!isUnmodifiedGlobalReference(callee, state, "URL") ||
|
|
!isUnmodifiedImportMetaUrl(
|
|
t.isNode(value.arguments[1]) ? value.arguments[1] : undefined,
|
|
state,
|
|
)
|
|
)
|
|
return undefined;
|
|
const urlPath = staticSourceRelativeUrlPath(value);
|
|
return urlPath === undefined ||
|
|
urlPath.directory ||
|
|
urlPath.path.startsWith("/")
|
|
? undefined
|
|
: { kind: "source-relative-file", path: urlPath.path };
|
|
};
|
|
|
|
/** Eligibility for observable loader slots; an unknown factory is not invocation proof. */
|
|
export const hasSemanticCreateRequireFactoryOrigin = (
|
|
initializer: t.Node | undefined,
|
|
state: JavaScriptSemanticAnalysisState,
|
|
): boolean => {
|
|
const factory = createRequireFactoryCallAt(initializer, state);
|
|
return factory !== undefined && factory.loader !== "local";
|
|
};
|
|
|
|
const isCreateRequireOrigin = (
|
|
origin: JavaScriptModuleOrigin,
|
|
selected: SemanticAliasSelectionPath,
|
|
): boolean => {
|
|
if (!["module", "node:module"].includes(origin.specifier)) return false;
|
|
const path = [...origin.importedPath, ...selected];
|
|
return (
|
|
(path.length === 1 && path[0] === "createRequire") ||
|
|
((origin.resolutionMode ?? "import") === "import" &&
|
|
path.length === 2 &&
|
|
path[0] === "default" &&
|
|
path[1] === "createRequire")
|
|
);
|
|
};
|
|
|
|
/** Assignment expressions expose their RHS; short-circuit stores may keep the old value. */
|
|
export const assignmentValueSources = (
|
|
node: t.AssignmentExpression,
|
|
): readonly t.Node[] =>
|
|
node.operator === "="
|
|
? [node.right]
|
|
: ["||=", "&&=", "??="].includes(node.operator)
|
|
? [node.left, node.right]
|
|
: [];
|
|
|
|
/** Follow selected values to Node's captured loader or its creating factory. */
|
|
const selectedRequireSourcesAt = (
|
|
root: t.Node,
|
|
site: t.Node,
|
|
state: JavaScriptSemanticAnalysisState,
|
|
factoryBindingIds: ReadonlySet<string>,
|
|
target: "loader" | "factory" = "loader",
|
|
):
|
|
| Pick<
|
|
JavaScriptRequireCallFact,
|
|
"loader" | "sourceRelative" | "sourceRelativePath" | "loaderAuthority"
|
|
>
|
|
| undefined => {
|
|
const pending: ModuleObjectSource[] = [{ node: root, path: [] }];
|
|
const seen = new WeakMap<t.Node, Set<string>>();
|
|
let count = 0;
|
|
let found = false;
|
|
let candidate = false;
|
|
let loaderBinding = false;
|
|
let selectedLoader: JavaScriptRequireLoaderFact | undefined;
|
|
let unknown = false;
|
|
let local = false;
|
|
let nativeMemberAlternative = false;
|
|
let sourceRelative = true;
|
|
let sourceRelativeBase: SourceRelativeCreateRequireBase | undefined;
|
|
while (pending.length > 0) {
|
|
const current = pending.pop()!;
|
|
const node = unwrapJavaScriptExpression(current.node).node;
|
|
const genericMember =
|
|
current.path.length === 1 &&
|
|
semanticAliasSelectionChoices(current.path[0]!).every(
|
|
(key) => key === "call" || key === "apply",
|
|
);
|
|
const nativeGenericMember =
|
|
target === "loader" &&
|
|
genericMember &&
|
|
t.isIdentifier(node) &&
|
|
requireLoaderValueAt(node, node, state, factoryBindingIds) !== "local";
|
|
const key = JSON.stringify([current.path, loaderSourceContextKey(current)]);
|
|
const paths = seen.get(node) ?? new Set<string>();
|
|
if (paths.has(key)) continue;
|
|
paths.add(key);
|
|
seen.set(node, paths);
|
|
if (++count > state.precision.alias_selections) {
|
|
state.valueResourceLimits.add("alias-selections");
|
|
return { loader: "unknown", sourceRelative: false };
|
|
}
|
|
if (t.isMemberExpression(node) || t.isOptionalMemberExpression(node)) {
|
|
pending.push(
|
|
...inheritLoaderSourceContext(current, [
|
|
loaderMemberSource(current, node),
|
|
]),
|
|
);
|
|
} else if (t.isIdentifier(node)) {
|
|
if (target === "loader" && current.path.length === 0) {
|
|
const captured = requireLoaderValueAt(
|
|
node,
|
|
node,
|
|
state,
|
|
factoryBindingIds,
|
|
);
|
|
if (captured !== "local" && captured !== "create-require") {
|
|
const invoked =
|
|
captured === "commonjs-loader"
|
|
? commonJsLoaderAt(site, state)
|
|
: captured;
|
|
found = true;
|
|
candidate ||=
|
|
invoked === "unknown" &&
|
|
t.isIdentifier(node, { name: "require" }) &&
|
|
isConditionalRequireAt(node, node, state);
|
|
unknown ||=
|
|
invoked === "unknown" ||
|
|
(selectedLoader !== undefined && selectedLoader !== invoked);
|
|
selectedLoader ??= invoked;
|
|
continue;
|
|
}
|
|
}
|
|
const binding = resolveSemanticBindingState(state, node, node.name);
|
|
if (binding === undefined) {
|
|
unknown = true;
|
|
continue;
|
|
}
|
|
// Eligibility is separate from the selected value: replacing a known
|
|
// loader with an opaque value keeps a gap, while a proven local function
|
|
// no longer claims the previous factory's base or identity.
|
|
loaderBinding ||=
|
|
target === "loader" &&
|
|
binding.initializers.some(
|
|
(source) =>
|
|
hasSemanticCreateRequireFactoryOrigin(source.node, state) ||
|
|
(t.isIdentifier(source.node) &&
|
|
requireLoaderValueAt(
|
|
source.node,
|
|
source.node,
|
|
state,
|
|
factoryBindingIds,
|
|
) !== "local"),
|
|
);
|
|
const facts = semanticProjectedSourceFactsAtRead(
|
|
binding,
|
|
node,
|
|
current.path,
|
|
state,
|
|
true,
|
|
current.readAt ?? node,
|
|
current.capturedSelections,
|
|
);
|
|
if (nativeGenericMember)
|
|
nativeMemberAlternative ||=
|
|
facts === undefined ||
|
|
facts.sources.length === 0 ||
|
|
!facts.sources.every(({ node: source }) => {
|
|
const value = unwrapJavaScriptExpression(source).node;
|
|
return (
|
|
t.isFunctionExpression(value) ||
|
|
t.isArrowFunctionExpression(value)
|
|
);
|
|
});
|
|
if (target === "factory" && binding.directOrigins.length > 0) {
|
|
const native = binding.directOrigins.some((origin) =>
|
|
isCreateRequireOrigin(origin, current.path),
|
|
);
|
|
loaderBinding ||= native;
|
|
if (facts?.retainsOrigin) {
|
|
found ||= native;
|
|
local ||= !native;
|
|
if (native) selectedLoader = "create-require";
|
|
}
|
|
}
|
|
if (facts === undefined) {
|
|
unknown = true;
|
|
const retained = semanticBindingAtRead(binding, node, state).binding;
|
|
pending.push(
|
|
...inheritLoaderSourceContext(
|
|
current,
|
|
projectedLoaderSources(
|
|
current,
|
|
[...retained.initializers, ...retained.referenceInitializers]
|
|
.filter(
|
|
(source) => !semanticReferenceSourcesInactive(source, state),
|
|
)
|
|
.map((source) => ({
|
|
node: source.node,
|
|
path: [...source.projection, ...current.path],
|
|
})),
|
|
),
|
|
),
|
|
);
|
|
} else {
|
|
unknown ||=
|
|
facts.sources.length === 0 &&
|
|
!(
|
|
target === "factory" &&
|
|
facts.retainsOrigin &&
|
|
binding.directOrigins.length > 0
|
|
);
|
|
pending.push(
|
|
...inheritLoaderSourceContext(
|
|
current,
|
|
projectedLoaderSources(current, facts.sources),
|
|
),
|
|
);
|
|
}
|
|
} else if (t.isObjectExpression(node) || t.isArrayExpression(node)) {
|
|
if (current.path.length === 0) {
|
|
local = true;
|
|
continue;
|
|
}
|
|
const sources = loaderObjectPropertySources(current, node, state);
|
|
unknown ||= sources.length === 0;
|
|
pending.push(...inheritLoaderSourceContext(current, sources));
|
|
} else if (t.isSequenceExpression(node)) {
|
|
const last = node.expressions.at(-1);
|
|
if (last !== undefined) pending.push({ ...current, node: last });
|
|
} else if (t.isAssignmentExpression(node)) {
|
|
for (const source of assignmentValueSources(node))
|
|
pending.push({ ...current, node: source });
|
|
} else if (t.isConditionalExpression(node) || t.isLogicalExpression(node)) {
|
|
pending.push(
|
|
{
|
|
...current,
|
|
node: t.isConditionalExpression(node) ? node.consequent : node.left,
|
|
},
|
|
{
|
|
...current,
|
|
node: t.isConditionalExpression(node) ? node.alternate : node.right,
|
|
},
|
|
);
|
|
} else if (t.isCallExpression(node)) {
|
|
const callee = unwrapJavaScriptExpression(node.callee).node;
|
|
if (
|
|
target === "loader" &&
|
|
current.path.length === 0 &&
|
|
t.isFunction(callee)
|
|
) {
|
|
if (callee.async || callee.generator) {
|
|
// A direct async/generator invocation returns a wrapper, not its contents.
|
|
local = true;
|
|
continue;
|
|
}
|
|
const returned = returnedLoaderReferences(state, "direct-call")(
|
|
node.callee,
|
|
node,
|
|
);
|
|
// The shared result owner is a may-reference graph. A block may also
|
|
// fall through or throw; only an expression arrow supplies its whole result.
|
|
unknown ||=
|
|
returned.unresolvedInvocation === true ||
|
|
!t.isArrowFunctionExpression(callee) ||
|
|
t.isBlockStatement(callee.body);
|
|
pending.push(
|
|
...inheritLoaderSourceContext(
|
|
current,
|
|
returned.references.map((reference) => ({
|
|
node: reference.node,
|
|
path: reference.projection,
|
|
})),
|
|
),
|
|
);
|
|
continue;
|
|
}
|
|
if (target === "factory") {
|
|
const origin = semanticRequireOrigin(node, state)?.origin;
|
|
if (
|
|
origin !== undefined &&
|
|
isCreateRequireOrigin(origin, current.path)
|
|
) {
|
|
found = true;
|
|
selectedLoader = "create-require";
|
|
} else unknown = true;
|
|
} else if (current.path.length === 0 || genericMember) {
|
|
const factory = createRequireFactoryCallAt(
|
|
node,
|
|
state,
|
|
factoryBindingIds,
|
|
);
|
|
if (factory !== undefined && factory.loader !== "local") {
|
|
if (genericMember) {
|
|
// A conditional own write retains this inherited native method.
|
|
// Alone it still belongs to the invocation owner's fallback.
|
|
nativeMemberAlternative = true;
|
|
if (factory.loader === "unknown") {
|
|
loaderBinding = true;
|
|
unknown = true;
|
|
}
|
|
} else {
|
|
found = true;
|
|
unknown ||=
|
|
factory.loader === "unknown" ||
|
|
(selectedLoader !== undefined &&
|
|
selectedLoader !== "create-require");
|
|
selectedLoader ??= "create-require";
|
|
unknown ||= state.conditionallySkippedExpressions.has(node);
|
|
const factoryBase = sourceRelativeCreateRequireBaseAt(
|
|
node.arguments[0],
|
|
state,
|
|
);
|
|
if (factoryBase === undefined) sourceRelative = false;
|
|
else if (sourceRelativeBase === undefined)
|
|
sourceRelativeBase = factoryBase;
|
|
else if (
|
|
sourceRelativeBase.kind !== factoryBase.kind ||
|
|
(sourceRelativeBase.kind === "source-relative-file" &&
|
|
factoryBase.kind === "source-relative-file" &&
|
|
sourceRelativeBase.path !== factoryBase.path)
|
|
) {
|
|
sourceRelative = false;
|
|
}
|
|
}
|
|
} else if (factory?.loader === "local") local = true;
|
|
else unknown = true;
|
|
} else unknown = true;
|
|
} else if (
|
|
current.path.length === 0 &&
|
|
(t.isFunction(node) || t.isClassExpression(node) || t.isLiteral(node))
|
|
) {
|
|
local = true;
|
|
} else {
|
|
// Every selected expression contributes a possible value. An opaque
|
|
// alternative cannot leave another factory as the sole proven origin.
|
|
unknown = true;
|
|
}
|
|
}
|
|
return found || local || (loaderBinding && unknown)
|
|
? {
|
|
loader:
|
|
(unknown && (found || loaderBinding)) ||
|
|
(local && (found || nativeMemberAlternative))
|
|
? "unknown"
|
|
: found
|
|
? (selectedLoader ?? "unknown")
|
|
: "local",
|
|
sourceRelative: found && sourceRelative && !unknown,
|
|
...(candidate ? { loaderAuthority: "candidate" as const } : {}),
|
|
...(found &&
|
|
!unknown &&
|
|
sourceRelative &&
|
|
sourceRelativeBase?.kind === "source-relative-file"
|
|
? { sourceRelativePath: sourceRelativeBase.path }
|
|
: {}),
|
|
}
|
|
: undefined;
|
|
};
|
|
|
|
const loaderInvocationInterops = new WeakMap<
|
|
JavaScriptSemanticAnalysisState,
|
|
{
|
|
readonly writes: number;
|
|
readonly interop: ReturnType<typeof createSemanticModuleInterop>;
|
|
}
|
|
>();
|
|
|
|
const loaderInvocationInterop = (state: JavaScriptSemanticAnalysisState) => {
|
|
const prior = loaderInvocationInterops.get(state);
|
|
if (prior?.writes === state.ambientWriteEffects.length) return prior.interop;
|
|
const interop = createSemanticModuleInterop(state);
|
|
for (const effect of state.ambientWriteEffects)
|
|
if (effect.path[0] === "global")
|
|
interop.retainWrite(effect.node ?? state.program, [
|
|
"intrinsic",
|
|
...effect.path
|
|
.slice(1)
|
|
.map((key) =>
|
|
key === null || typeof key === "object" ? null : String(key),
|
|
),
|
|
]);
|
|
loaderInvocationInterops.set(state, {
|
|
writes: state.ambientWriteEffects.length,
|
|
interop,
|
|
});
|
|
return interop;
|
|
};
|
|
|
|
export interface JavaScriptRequireCallFact {
|
|
readonly operation: "load" | "resolve";
|
|
readonly loader: JavaScriptRequireLoaderFact;
|
|
readonly arguments:
|
|
| readonly t.CallExpression["arguments"][number][]
|
|
| undefined;
|
|
readonly sourceRelative: boolean;
|
|
readonly loaderAuthority?: "candidate";
|
|
readonly memberUnproven?: true;
|
|
/** A createRequire filename relative to the current source directory, when proven. */
|
|
readonly sourceRelativePath?: string;
|
|
}
|
|
|
|
/** A child-property write does not replace the selected callable itself. */
|
|
export const semanticSelectedMemberMayHaveChanged = (
|
|
index: JavaScriptBindingIndex,
|
|
site: t.Node,
|
|
member: t.Node,
|
|
): boolean => {
|
|
const effects = index.effectsForReferenceAt(site, member);
|
|
const targetDepth = semanticMemberChain(member)?.members.length;
|
|
return (
|
|
!effects.memberEffectsIndexed ||
|
|
effects.effects.some(
|
|
({ kind, timing, path }) =>
|
|
timing !== "after" &&
|
|
(kind === "escape" ||
|
|
(kind === "member-write" &&
|
|
(targetDepth === undefined ||
|
|
path === undefined ||
|
|
path.length <= targetDepth))),
|
|
)
|
|
);
|
|
};
|
|
|
|
/** Classify the selected loader and normalize invocation arguments once. */
|
|
export const semanticRequireCallAt = (
|
|
node: t.CallExpression | t.OptionalCallExpression | t.NewExpression,
|
|
state: JavaScriptSemanticAnalysisState,
|
|
factoryBindingIds: ReadonlySet<string>,
|
|
index?: JavaScriptBindingIndex,
|
|
): JavaScriptRequireCallFact | undefined => {
|
|
const callee = unwrapJavaScriptExpression(node.callee).node;
|
|
if (
|
|
(t.isMemberExpression(callee) || t.isOptionalMemberExpression(callee)) &&
|
|
["call", "apply"].includes(
|
|
semanticStaticPropertyKey(callee.property, callee.computed) ?? "",
|
|
) &&
|
|
selectedRequireSourcesAt(callee, node, state, factoryBindingIds)?.loader ===
|
|
"local"
|
|
)
|
|
return {
|
|
operation: "load",
|
|
loader: "local",
|
|
arguments: undefined,
|
|
sourceRelative: false,
|
|
};
|
|
if (index !== undefined) {
|
|
let member = callee;
|
|
while (
|
|
t.isMemberExpression(member) ||
|
|
t.isOptionalMemberExpression(member)
|
|
) {
|
|
const key = semanticStaticPropertyKey(member.property, member.computed);
|
|
if (key === "call" || key === "apply" || key === "resolve") {
|
|
const loader = requireLoaderValueAt(
|
|
member.object,
|
|
node,
|
|
state,
|
|
factoryBindingIds,
|
|
);
|
|
const selected =
|
|
loader === "local"
|
|
? selectedRequireSourcesAt(
|
|
member.object,
|
|
node,
|
|
state,
|
|
factoryBindingIds,
|
|
)
|
|
: undefined;
|
|
if (
|
|
loader === "local" &&
|
|
(selected === undefined || selected.loader === "local")
|
|
) {
|
|
member = unwrapJavaScriptExpression(member.object).node;
|
|
continue;
|
|
}
|
|
if (semanticSelectedMemberMayHaveChanged(index, node, member))
|
|
return {
|
|
operation: "load",
|
|
loader: "unknown",
|
|
// A changed call/apply member has no trustworthy argument mapping.
|
|
arguments:
|
|
member === callee && key === "resolve"
|
|
? node.arguments
|
|
: undefined,
|
|
sourceRelative: false,
|
|
memberUnproven: true,
|
|
};
|
|
}
|
|
member = unwrapJavaScriptExpression(member.object).node;
|
|
}
|
|
}
|
|
if (semanticModuleRequireCallAt(node, state))
|
|
return {
|
|
operation: "load",
|
|
loader: "unknown",
|
|
arguments: undefined,
|
|
sourceRelative: false,
|
|
};
|
|
if (
|
|
(t.isMemberExpression(callee) || t.isOptionalMemberExpression(callee)) &&
|
|
semanticStaticPropertyKey(callee.property, callee.computed) === "resolve"
|
|
) {
|
|
const loader = requireLoaderValueAt(
|
|
callee.object,
|
|
node,
|
|
state,
|
|
factoryBindingIds,
|
|
);
|
|
if (loader === "unknown") {
|
|
const receiver = unwrapJavaScriptExpression(callee.object).node;
|
|
const candidate =
|
|
t.isIdentifier(receiver, { name: "require" }) &&
|
|
isConditionalRequireAt(receiver, node, state);
|
|
return {
|
|
operation: "resolve",
|
|
loader,
|
|
arguments: candidate ? node.arguments : undefined,
|
|
sourceRelative: false,
|
|
...(candidate ? { loaderAuthority: "candidate" as const } : {}),
|
|
};
|
|
}
|
|
// Bundler factory loaders can share the `require` shape, but their
|
|
// `.resolve` member is not Node's module resolver.
|
|
if (loader === "commonjs-loader" || loader === "create-require") {
|
|
const selected = selectedRequireSourcesAt(
|
|
callee.object,
|
|
node,
|
|
state,
|
|
factoryBindingIds,
|
|
);
|
|
return {
|
|
operation: "resolve",
|
|
loader: selected?.loader ?? loader,
|
|
arguments: node.arguments,
|
|
sourceRelative:
|
|
selected?.sourceRelative ?? loader === "commonjs-loader",
|
|
...(selected?.sourceRelativePath === undefined
|
|
? {}
|
|
: { sourceRelativePath: selected.sourceRelativePath }),
|
|
};
|
|
}
|
|
}
|
|
if (t.isNewExpression(node)) {
|
|
const loader = requireLoaderValueAt(
|
|
node.callee,
|
|
node,
|
|
state,
|
|
factoryBindingIds,
|
|
);
|
|
const selected = selectedRequireSourcesAt(
|
|
node.callee,
|
|
node,
|
|
state,
|
|
factoryBindingIds,
|
|
);
|
|
if (selected !== undefined || loader !== "local")
|
|
return {
|
|
operation: "load",
|
|
loader: selected?.loader ?? loader,
|
|
arguments: node.arguments,
|
|
sourceRelative: selected?.sourceRelative ?? loader !== "create-require",
|
|
...(selected?.loaderAuthority === "candidate"
|
|
? { loaderAuthority: "candidate" as const }
|
|
: {}),
|
|
...(selected?.sourceRelativePath === undefined
|
|
? {}
|
|
: { sourceRelativePath: selected.sourceRelativePath }),
|
|
};
|
|
}
|
|
const interop = loaderInvocationInterop(state);
|
|
if (!t.isNewExpression(node)) {
|
|
const invocation = interop.intrinsicInvocation(node, (callee) => {
|
|
const loader = requireLoaderValueAt(
|
|
callee,
|
|
node,
|
|
state,
|
|
factoryBindingIds,
|
|
);
|
|
if (loader !== "local" && loader !== "create-require") {
|
|
const root = unwrapJavaScriptExpression(callee).node;
|
|
const candidate =
|
|
loader === "unknown" &&
|
|
t.isIdentifier(root, { name: "require" }) &&
|
|
isConditionalRequireAt(root, node, state);
|
|
return [
|
|
"require-loader",
|
|
loader,
|
|
"relative",
|
|
...(candidate ? ["candidate"] : []),
|
|
];
|
|
}
|
|
const selected = selectedRequireSourcesAt(
|
|
callee,
|
|
node,
|
|
state,
|
|
factoryBindingIds,
|
|
);
|
|
if (selected !== undefined)
|
|
return [
|
|
"require-loader",
|
|
selected.loader,
|
|
selected.sourceRelative ? "relative" : "unknown",
|
|
...(selected.loaderAuthority === "candidate" ? ["candidate"] : []),
|
|
];
|
|
return interop.intrinsicPath(callee);
|
|
});
|
|
if (invocation?.path[0] === "require-loader") {
|
|
const selected = selectedRequireSourcesAt(
|
|
node.callee,
|
|
node,
|
|
state,
|
|
factoryBindingIds,
|
|
);
|
|
return {
|
|
operation: "load",
|
|
loader:
|
|
invocation.path[1] === "local"
|
|
? "local"
|
|
: invocation.kind === "opaque"
|
|
? "unknown"
|
|
: (invocation.path[1] as JavaScriptRequireLoaderFact),
|
|
arguments: invocation.arguments,
|
|
...(invocation.kind === "known" && invocation.path[3] === "candidate"
|
|
? { loaderAuthority: "candidate" as const }
|
|
: {}),
|
|
sourceRelative:
|
|
invocation.kind === "known" && invocation.path[2] === "relative",
|
|
...(selected?.sourceRelativePath === undefined
|
|
? {}
|
|
: { sourceRelativePath: selected.sourceRelativePath }),
|
|
};
|
|
}
|
|
}
|
|
const factory = semanticFactoryRequireLoaderAt(
|
|
node,
|
|
state,
|
|
factoryBindingIds,
|
|
);
|
|
return factory === undefined
|
|
? undefined
|
|
: {
|
|
operation: "load",
|
|
loader: factory,
|
|
arguments: node.arguments.slice(t.isIdentifier(node.callee) ? 0 : 1),
|
|
sourceRelative: true,
|
|
};
|
|
};
|
|
|
|
/** The RHS call runs before its assignment replaces Node's wrapper loader. */
|
|
const isWrapperRequireInitializerCall = (
|
|
binding: NonNullable<ReturnType<typeof resolveSemanticBindingState>>,
|
|
node: t.CallExpression | t.OptionalCallExpression | t.NewExpression,
|
|
state: JavaScriptSemanticAnalysisState,
|
|
): boolean => {
|
|
const scope = state.scopesById.get(binding.scopeId);
|
|
if (
|
|
scope?.kind !== "program" ||
|
|
binding.kind !== "variable" ||
|
|
binding.declarationKinds.size !== 1 ||
|
|
!binding.declarationKinds.has("var") ||
|
|
binding.initializers.length !== 1 ||
|
|
binding.initializers[0]?.node !== node
|
|
)
|
|
return false;
|
|
const assignment = state.parentsByNode.get(node);
|
|
if (
|
|
!t.isAssignmentExpression(assignment) ||
|
|
assignment.right !== node ||
|
|
state.conditionallySkippedExpressions.has(node)
|
|
)
|
|
return false;
|
|
const statement = state.parentsByNode.get(assignment);
|
|
if (!t.isExpressionStatement(statement)) return false;
|
|
if (state.parentsByNode.get(statement) !== state.program) return false;
|
|
const target = unwrapJavaScriptExpression(assignment.left).node;
|
|
return (
|
|
t.isIdentifier(target, { name: "require" }) &&
|
|
resolveSemanticBindingState(state, target, target.name) === binding
|
|
);
|
|
};
|
|
|
|
// Ambient indexing finishes before these derived facts are consumed. Keep only
|
|
// replacement sites, rather than rescanning unrelated global member writes.
|
|
const globalProcessReplacements = new WeakMap<
|
|
JavaScriptSemanticAnalysisState,
|
|
readonly (t.Node | undefined)[]
|
|
>();
|
|
type ModuleSourceMatch = "possible" | "no-match" | "incomplete";
|
|
type ModuleRequireWrite = {
|
|
readonly node: t.Node;
|
|
readonly resolution: "possible" | "incomplete";
|
|
};
|
|
const moduleRequireWrites = new WeakMap<
|
|
JavaScriptSemanticAnalysisState,
|
|
readonly ModuleRequireWrite[]
|
|
>();
|
|
const moduleReturnedReferences = new WeakMap<
|
|
JavaScriptSemanticAnalysisState,
|
|
Map<
|
|
"direct-call" | "awaited-call",
|
|
ReturnType<typeof createSemanticReturnedReferences>
|
|
>
|
|
>();
|
|
|
|
/** Reuse one result-reference owner for loader values and module receivers. */
|
|
const returnedLoaderReferences = (
|
|
state: JavaScriptSemanticAnalysisState,
|
|
mode: "direct-call" | "awaited-call",
|
|
): ReturnType<typeof createSemanticReturnedReferences> => {
|
|
let factories = moduleReturnedReferences.get(state);
|
|
if (factories === undefined) {
|
|
factories = new Map();
|
|
moduleReturnedReferences.set(state, factories);
|
|
}
|
|
let returned = factories.get(mode);
|
|
if (returned === undefined) {
|
|
returned = createSemanticReturnedReferences(state, mode);
|
|
factories.set(mode, returned);
|
|
}
|
|
return returned;
|
|
};
|
|
|
|
type ModuleObjectSource = {
|
|
readonly node: t.Node;
|
|
readonly path: SemanticAliasSelectionPath;
|
|
readonly eligibility?: true;
|
|
readonly readAt?: t.Node | undefined;
|
|
readonly capturedSelections?:
|
|
| readonly SemanticCapturedSelection[]
|
|
| undefined;
|
|
};
|
|
|
|
/** Both loader queries retain the same read and shallow-copy selection owner. */
|
|
const loaderSourceContextKey = (source: ModuleObjectSource): string =>
|
|
JSON.stringify([
|
|
source.eligibility,
|
|
source.readAt?.start,
|
|
source.readAt?.end,
|
|
source.capturedSelections?.map(({ at, depth, ownEnumerable }) => [
|
|
at.start,
|
|
at.end,
|
|
depth,
|
|
ownEnumerable,
|
|
]),
|
|
]);
|
|
|
|
const inheritLoaderSourceContext = (
|
|
current: ModuleObjectSource,
|
|
sources: readonly ModuleObjectSource[],
|
|
): ModuleObjectSource[] =>
|
|
sources.map((source) => ({
|
|
...(current.eligibility ? { eligibility: true as const } : {}),
|
|
...(current.readAt === undefined ? {} : { readAt: current.readAt }),
|
|
...source,
|
|
capturedSelections: semanticNormalizeCapturedSelections(
|
|
source.capturedSelections ?? current.capturedSelections,
|
|
source.path.length,
|
|
),
|
|
}));
|
|
|
|
// A later read site selects only the remaining path. This member selects its
|
|
// own key when it is evaluated, so `o.k = o.k || d` reads o.k before the write.
|
|
const loaderMemberSource = (
|
|
current: ModuleObjectSource,
|
|
member: t.MemberExpression | t.OptionalMemberExpression,
|
|
): ModuleObjectSource => ({
|
|
node: member.object,
|
|
readAt: current.readAt ?? member,
|
|
capturedSelections:
|
|
current.readAt === undefined
|
|
? semanticShiftCapturedSelections(current.capturedSelections, 1)
|
|
: semanticNormalizeCapturedSelections([
|
|
{ at: member, depth: 1 },
|
|
...(semanticShiftCapturedSelections(current.capturedSelections, 1) ??
|
|
[]),
|
|
]),
|
|
path: [
|
|
semanticStaticPropertyKey(member.property, member.computed),
|
|
...current.path,
|
|
],
|
|
});
|
|
|
|
const projectedLoaderSources = (
|
|
current: ModuleObjectSource,
|
|
sources: readonly ModuleObjectSource[],
|
|
): ModuleObjectSource[] =>
|
|
sources.map((source) => ({
|
|
...source,
|
|
readAt:
|
|
current.path.length === 0 ? undefined : (current.readAt ?? current.node),
|
|
capturedSelections: [
|
|
...(semanticShiftCapturedSelections(
|
|
current.capturedSelections,
|
|
source.path.length - current.path.length,
|
|
) ?? []),
|
|
...(source.capturedSelections ?? []),
|
|
],
|
|
}));
|
|
|
|
const loaderObjectPropertySources = (
|
|
current: ModuleObjectSource,
|
|
object: t.ObjectExpression | t.ArrayExpression,
|
|
state: JavaScriptSemanticAnalysisState,
|
|
): ModuleObjectSource[] => {
|
|
const [key, ...remaining] = current.path;
|
|
if (key === undefined) return [];
|
|
return semanticAliasSelectionChoices(key).flatMap((choice) =>
|
|
(t.isObjectExpression(object)
|
|
? semanticObjectPropertyReferences(object, [choice], state)
|
|
: semanticArrayPropertyReferences(object, [choice])
|
|
)
|
|
.filter(
|
|
(source) =>
|
|
!source.inherited ||
|
|
!current.capturedSelections?.some(
|
|
(capture) => capture.depth === 1 && capture.ownEnumerable,
|
|
),
|
|
)
|
|
.map((source) => ({
|
|
node: source.node,
|
|
path: [...source.path, ...remaining],
|
|
capturedSelections: semanticCapturedSelectionsAfterPropertyRead(
|
|
current.capturedSelections,
|
|
source,
|
|
),
|
|
})),
|
|
);
|
|
};
|
|
|
|
const isCommonJsModuleObject = (
|
|
node: t.Node,
|
|
state: JavaScriptSemanticAnalysisState,
|
|
includeUnknown = true,
|
|
): boolean => {
|
|
const result = hasCommonJsModuleSource(node, state, includeUnknown, "module");
|
|
return result === "possible" || (includeUnknown && result === "incomplete");
|
|
};
|
|
|
|
/** A captured delegate uses the same receiver and assignment ownership facts. */
|
|
export const isCommonJsRequireDelegate = (
|
|
node: t.Node,
|
|
state: JavaScriptSemanticAnalysisState,
|
|
includeUnknown = false,
|
|
readAt?: t.Node,
|
|
): boolean =>
|
|
hasCommonJsModuleSource(node, state, includeUnknown, "delegate", readAt) ===
|
|
"possible";
|
|
|
|
const hasCommonJsModuleSource = (
|
|
node: t.Node,
|
|
state: JavaScriptSemanticAnalysisState,
|
|
includeUnknown: boolean,
|
|
target: "module" | "delegate",
|
|
readAt?: t.Node,
|
|
): ModuleSourceMatch => {
|
|
type Work = ModuleObjectSource & {
|
|
/** Await occurs after this many requested outer property selections. */
|
|
readonly awaitDepths: readonly number[];
|
|
};
|
|
const pending: Work[] = [{ node, path: [], readAt, awaitDepths: [] }];
|
|
// Keep depths separate and join finite key alternatives at each source read.
|
|
const selections = new SemanticAliasSelections(() => {
|
|
state.valueResourceLimits.add("alias-selections");
|
|
}, state.precision.alias_selections);
|
|
const contexts = new WeakMap<
|
|
t.Node,
|
|
Map<
|
|
string,
|
|
{
|
|
readonly identities: Map<string, object>;
|
|
}
|
|
>
|
|
>();
|
|
const examined = new WeakSet<object>();
|
|
let additionalStates = 0;
|
|
// A strict check that exhausts the budget examines the queued sources by
|
|
// their own selected keys, breadth first, so a growing alias cannot starve a
|
|
// sibling. One may still be a retained module identity, possibly behind a
|
|
// binding, call, container or getter, so a second budget bounds every state
|
|
// created after exhaustion. Unnormalized paths can grow without a binding.
|
|
let exhausted = false;
|
|
let drained = 0;
|
|
for (
|
|
let next = pending.pop();
|
|
next !== undefined;
|
|
next = exhausted ? pending.shift() : pending.pop()
|
|
) {
|
|
const value = unwrapJavaScriptExpression(next.node).node;
|
|
const { awaitDepths } = next;
|
|
const byMode =
|
|
contexts.get(value) ??
|
|
new Map<string, { readonly identities: Map<string, object> }>();
|
|
const modeKey = JSON.stringify([awaitDepths, loaderSourceContextKey(next)]);
|
|
let context = byMode.get(modeKey);
|
|
if (context === undefined) {
|
|
context = { identities: new Map() };
|
|
byMode.set(modeKey, context);
|
|
contexts.set(value, byMode);
|
|
}
|
|
let path = exhausted ? next.path : selections.normalize(context, next.path);
|
|
if (selections.limited && !exhausted) {
|
|
if (includeUnknown) return "possible";
|
|
exhausted = true;
|
|
// The limiter widens every key after exhaustion. Keep the selected keys.
|
|
path = next.path;
|
|
}
|
|
const pathKey = JSON.stringify(path);
|
|
let identity = context.identities.get(pathKey);
|
|
if (identity === undefined) {
|
|
// Consumption contexts must not provide an unbounded second path to
|
|
// expansion beyond the shared selector budget.
|
|
if (exhausted) {
|
|
if (++drained > state.precision.alias_selections) return "incomplete";
|
|
} else if (
|
|
(byMode.size > 1 || context.identities.size > 0) &&
|
|
++additionalStates > state.precision.alias_selections
|
|
) {
|
|
state.valueResourceLimits.add("alias-selections");
|
|
if (includeUnknown) return "possible";
|
|
exhausted = true;
|
|
}
|
|
identity = {};
|
|
context.identities.set(pathKey, identity);
|
|
}
|
|
// A revisited state adds no source. A cycle's other entries are expanded
|
|
// once each, so a cycle is not an unknown loader.
|
|
if (examined.has(identity)) continue;
|
|
examined.add(identity);
|
|
const enqueueAt = (
|
|
depths: readonly number[],
|
|
...sources: ModuleObjectSource[]
|
|
) => {
|
|
pending.push(
|
|
...inheritLoaderSourceContext(next, sources)
|
|
// These leaves cannot contribute a module source and the walker
|
|
// would discard them without expanding their selected paths.
|
|
.filter((source) => {
|
|
const value = unwrapJavaScriptExpression(source.node).node;
|
|
return (
|
|
!t.isNumericLiteral(value) &&
|
|
!t.isBooleanLiteral(value) &&
|
|
!t.isNullLiteral(value)
|
|
);
|
|
})
|
|
.map((source) => ({ ...source, awaitDepths: depths })),
|
|
);
|
|
};
|
|
const enqueue = (...sources: ModuleObjectSource[]) => {
|
|
enqueueAt(awaitDepths, ...sources);
|
|
};
|
|
if (t.isAwaitExpression(value)) {
|
|
enqueueAt(
|
|
[...new Set([...awaitDepths, path.length])].sort(
|
|
(left, right) => left - right,
|
|
),
|
|
{ node: value.argument, path },
|
|
);
|
|
continue;
|
|
}
|
|
if (t.isMemberExpression(value) || t.isOptionalMemberExpression(value)) {
|
|
enqueue(loaderMemberSource({ ...next, path }, value));
|
|
continue;
|
|
}
|
|
if (
|
|
path.length > 0 &&
|
|
(t.isObjectExpression(value) || t.isArrayExpression(value))
|
|
) {
|
|
enqueueAt(
|
|
// Awaiting a fresh container does not await one of its children.
|
|
awaitDepths.filter((depth) => depth !== path.length),
|
|
...loaderObjectPropertySources({ ...next, path }, value, state),
|
|
);
|
|
continue;
|
|
}
|
|
if (t.isConditionalExpression(value) || t.isLogicalExpression(value)) {
|
|
enqueue(
|
|
{
|
|
node: t.isConditionalExpression(value)
|
|
? value.consequent
|
|
: value.left,
|
|
path,
|
|
},
|
|
{
|
|
node: t.isConditionalExpression(value)
|
|
? value.alternate
|
|
: value.right,
|
|
path,
|
|
},
|
|
);
|
|
continue;
|
|
}
|
|
if (t.isSequenceExpression(value)) {
|
|
const last = value.expressions.at(-1);
|
|
if (last !== undefined) enqueue({ node: last, path });
|
|
continue;
|
|
}
|
|
if (t.isAssignmentExpression(value)) {
|
|
enqueue(...assignmentValueSources(value).map((node) => ({ node, path })));
|
|
continue;
|
|
}
|
|
if (
|
|
t.isCallExpression(value) ||
|
|
t.isOptionalCallExpression(value) ||
|
|
t.isNewExpression(value)
|
|
) {
|
|
const mode = awaitDepths.includes(path.length)
|
|
? "awaited-call"
|
|
: "direct-call";
|
|
const returnedResult = returnedLoaderReferences(state, mode)(
|
|
value.callee,
|
|
t.isNewExpression(value) ? undefined : value,
|
|
);
|
|
if (returnedResult.unresolvedInvocation) return "possible";
|
|
enqueue(
|
|
...returnedResult.references.map((source) => ({
|
|
node: source.node,
|
|
path: [...source.projection, ...path],
|
|
capturedSelections: semanticShiftCapturedSelections(
|
|
next.capturedSelections,
|
|
source.projection.length,
|
|
),
|
|
})),
|
|
);
|
|
continue;
|
|
}
|
|
if (!t.isIdentifier(value)) continue;
|
|
const binding = resolveSemanticBindingState(state, value, value.name);
|
|
const processMainModulePath =
|
|
semanticGlobalProcessOrigin(value, state) !== undefined &&
|
|
path.length === (target === "module" ? 1 : 2) &&
|
|
semanticAliasSelectionChoices(path[0]!).some(
|
|
(key) =>
|
|
key === null || semanticPropertyPathKeyMatches(key, "mainModule"),
|
|
) &&
|
|
(target === "module" ||
|
|
semanticAliasSelectionChoices(path[1]!).some(
|
|
(key) =>
|
|
key === null || semanticPropertyPathKeyMatches(key, "require"),
|
|
));
|
|
if (processMainModulePath) return "possible";
|
|
const mainModulePath =
|
|
value.name === "require" &&
|
|
state.program.sourceType === "script" &&
|
|
path.length === (target === "module" ? 1 : 2) &&
|
|
semanticAliasSelectionChoices(path[0]!).some(
|
|
(key) => key === null || semanticPropertyPathKeyMatches(key, "main"),
|
|
) &&
|
|
(target === "module" ||
|
|
semanticAliasSelectionChoices(path[1]!).some(
|
|
(key) =>
|
|
key === null || semanticPropertyPathKeyMatches(key, "require"),
|
|
));
|
|
// Native wrapper require.main is a Module, with a process-relative loader.
|
|
// Its selected binding writes below can replace that source with local data.
|
|
if (
|
|
mainModulePath &&
|
|
binding === undefined &&
|
|
!semanticResolutionBlocked(state, value, "require")
|
|
)
|
|
return "possible";
|
|
const copyAdmitsModuleDelegate =
|
|
value.name !== "module" ||
|
|
target !== "delegate" ||
|
|
path.length !== 1 ||
|
|
!next.capturedSelections?.some(
|
|
(capture) =>
|
|
capture.depth === 1 &&
|
|
capture.ownEnumerable &&
|
|
!semanticCommonJsRequireOwnEnumerableAt(capture.at, state),
|
|
);
|
|
if (value.name === "module" && binding === undefined) {
|
|
if (
|
|
copyAdmitsModuleDelegate &&
|
|
(target === "module"
|
|
? path.length === 0
|
|
: path.length === 1 &&
|
|
semanticAliasSelectionChoices(path[0]!).some(
|
|
(key) =>
|
|
key === null || semanticPropertyPathKeyMatches(key, "require"),
|
|
)) &&
|
|
!semanticResolutionBlocked(state, value, "module")
|
|
)
|
|
return "possible";
|
|
continue;
|
|
}
|
|
if (binding === undefined) continue;
|
|
const read = semanticBindingAtRead(binding, value, state);
|
|
const retainsMainModule =
|
|
mainModulePath &&
|
|
commonJsWrapperBindingDeclaration(value, "require", state) !==
|
|
undefined &&
|
|
!read.hasDefiniteInitializer;
|
|
// A top-level `var require` may refer to a host wrapper on an unknown
|
|
// runtime. Preserve a possible member-loader call without resolving it.
|
|
if (
|
|
includeUnknown &&
|
|
mainModulePath &&
|
|
javaScriptRuntimeContext(state.program) === "unknown" &&
|
|
state.scopesById.get(binding.scopeId)?.kind === "program" &&
|
|
binding.declarationKinds.size === 1 &&
|
|
binding.declarationKinds.has("var") &&
|
|
!read.hasDefiniteInitializer
|
|
)
|
|
return "possible";
|
|
if (
|
|
value.name === "module" &&
|
|
copyAdmitsModuleDelegate &&
|
|
(target === "module"
|
|
? path.length === 0
|
|
: path.length === 1 &&
|
|
semanticAliasSelectionChoices(path[0]!).some(
|
|
(key) =>
|
|
key === null || semanticPropertyPathKeyMatches(key, "require"),
|
|
)) &&
|
|
commonJsWrapperBindingDeclaration(value, "module", state) !== undefined &&
|
|
!read.hasDefiniteInitializer
|
|
)
|
|
return "possible";
|
|
let eligibility = next.eligibility;
|
|
const facts = eligibility
|
|
? undefined
|
|
: semanticProjectedSourceFactsAtRead(
|
|
binding,
|
|
value,
|
|
path,
|
|
state,
|
|
includeUnknown,
|
|
next.readAt ?? value,
|
|
next.capturedSelections,
|
|
);
|
|
if (retainsMainModule && (eligibility || facts?.retainsOrigin))
|
|
return "possible";
|
|
let sources = eligibility
|
|
? semanticProjectedSourceEligibilityAtRead(
|
|
binding,
|
|
value,
|
|
path,
|
|
state,
|
|
next.readAt ?? value,
|
|
next.capturedSelections,
|
|
)
|
|
: facts?.sources;
|
|
if (sources === undefined) {
|
|
if (target !== "delegate") return "possible";
|
|
// An opaque member effect can obscure a selected native delegate, but
|
|
// cannot make every escaped callable a possible Node loader. Keep its
|
|
// receiver's retained sources as the eligibility boundary for that gap.
|
|
sources = semanticProjectedSourceEligibilityAtRead(
|
|
binding,
|
|
value,
|
|
path,
|
|
state,
|
|
next.readAt ?? value,
|
|
next.capturedSelections,
|
|
);
|
|
if (sources === undefined) return "possible";
|
|
eligibility = true;
|
|
}
|
|
enqueue(
|
|
...projectedLoaderSources({ ...next, node: value, path }, sources).map(
|
|
(source) => (eligibility ? { ...source, eligibility } : source),
|
|
),
|
|
);
|
|
}
|
|
return "no-match";
|
|
};
|
|
|
|
/** Select an unchecked member-loader receiver before its identity is examined. */
|
|
export const semanticModuleRequireReceiver = (
|
|
node: t.CallExpression | t.OptionalCallExpression | t.NewExpression,
|
|
): t.Node | undefined => {
|
|
let callee = unwrapJavaScriptExpression(node.callee).node;
|
|
while (
|
|
(t.isMemberExpression(callee) || t.isOptionalMemberExpression(callee)) &&
|
|
["bind", "call", "apply"].includes(
|
|
semanticStaticPropertyKey(callee.property, callee.computed) ?? "",
|
|
)
|
|
)
|
|
// Capturing a bound delegate can load outside the visible module graph.
|
|
// Keep that possibility without asserting bind/call/apply is unmodified.
|
|
callee = unwrapJavaScriptExpression(callee.object).node;
|
|
return (t.isMemberExpression(callee) ||
|
|
t.isOptionalMemberExpression(callee)) &&
|
|
semanticStaticPropertyKey(callee.property, callee.computed) === "require"
|
|
? callee.object
|
|
: undefined;
|
|
};
|
|
|
|
/** Recognize an unchecked module loader without asserting its current delegate. */
|
|
export const semanticModuleRequireCallAt = (
|
|
node: t.CallExpression | t.OptionalCallExpression | t.NewExpression,
|
|
state: JavaScriptSemanticAnalysisState,
|
|
includeUnknown = true,
|
|
): boolean => {
|
|
const receiver = semanticModuleRequireReceiver(node);
|
|
if (
|
|
receiver !== undefined &&
|
|
isCommonJsModuleObject(receiver, state, includeUnknown)
|
|
)
|
|
return true;
|
|
let target = unwrapJavaScriptExpression(node.callee).node;
|
|
while (
|
|
(t.isMemberExpression(target) || t.isOptionalMemberExpression(target)) &&
|
|
["bind", "call", "apply"].includes(
|
|
semanticStaticPropertyKey(target.property, target.computed) ?? "",
|
|
)
|
|
)
|
|
target = unwrapJavaScriptExpression(target.object).node;
|
|
// The callee is selected before the current invocation can escape or mutate
|
|
// its receiver. Earlier captured member reads retain their own source site.
|
|
if (isCommonJsRequireDelegate(target, state, includeUnknown, node))
|
|
return true;
|
|
if (t.isNewExpression(node)) return false;
|
|
const interop = loaderInvocationInterop(state);
|
|
return (
|
|
interop.intrinsicInvocation(node, (callee) =>
|
|
isCommonJsRequireDelegate(callee, state, false, node)
|
|
? ["commonjs-require-delegate"]
|
|
: interop.intrinsicPath(callee),
|
|
)?.path[0] === "commonjs-require-delegate"
|
|
);
|
|
};
|
|
|
|
const writesModuleRequire = (
|
|
state: JavaScriptSemanticAnalysisState,
|
|
): readonly ModuleRequireWrite[] => {
|
|
const cached = moduleRequireWrites.get(state);
|
|
if (cached !== undefined) return cached;
|
|
// Interop invocation resolution may ask for require provenance while this
|
|
// index is being built. Publish a temporary empty result to break that cycle.
|
|
moduleRequireWrites.set(state, []);
|
|
const writes: ModuleRequireWrite[] = [];
|
|
const interop = createSemanticModuleInterop(state);
|
|
const isModuleObject = (node: t.Node): ModuleSourceMatch =>
|
|
hasCommonJsModuleSource(node, state, false, "module");
|
|
const record = (node: t.Node, receiver: t.Node): void => {
|
|
const resolution = isModuleObject(receiver);
|
|
if (resolution !== "no-match") writes.push({ node, resolution });
|
|
};
|
|
traverseJavaScriptValueAst(state.program, state.erasedSyntaxNodes, {
|
|
enter: (node) => {
|
|
const target = t.isAssignmentExpression(node)
|
|
? node.left
|
|
: t.isUpdateExpression(node) ||
|
|
t.isUnaryExpression(node, { operator: "delete" })
|
|
? node.argument
|
|
: undefined;
|
|
if (
|
|
t.isMemberExpression(target) ||
|
|
t.isOptionalMemberExpression(target)
|
|
) {
|
|
const key = semanticStaticPropertyKey(target.property, target.computed);
|
|
if (key === "require" || (key === null && target.computed))
|
|
record(node, target.object);
|
|
}
|
|
if (t.isCallExpression(node) || t.isOptionalCallExpression(node)) {
|
|
const invocation = interop.intrinsicInvocation(node);
|
|
const owner =
|
|
invocation?.path?.length === 3 ? invocation.path[1] : undefined;
|
|
const method = invocation?.path?.at(-1);
|
|
const args = invocation?.arguments;
|
|
if (
|
|
(owner === "Object" || owner === "Reflect") &&
|
|
method === "defineProperty"
|
|
) {
|
|
const key = interop.staticString(args?.[1]);
|
|
if (key === "require" || key === undefined)
|
|
record(node, args?.[0] ?? t.nullLiteral());
|
|
} else if (owner === "Object" && method === "defineProperties") {
|
|
const descriptors = args?.[1];
|
|
if (
|
|
!t.isObjectExpression(descriptors) ||
|
|
descriptors.properties.some(
|
|
(property) =>
|
|
t.isSpreadElement(property) ||
|
|
(t.isObjectProperty(property) &&
|
|
semanticStaticPropertyKey(property.key, property.computed) ===
|
|
"require"),
|
|
)
|
|
)
|
|
record(node, args?.[0] ?? t.nullLiteral());
|
|
} else if (owner === "Object" && method === "assign") {
|
|
const target = args?.[0];
|
|
if (target !== undefined) {
|
|
const sourceHasRequire = args
|
|
?.slice(1)
|
|
.some(
|
|
(arg) =>
|
|
t.isObjectExpression(arg) &&
|
|
arg.properties.some(
|
|
(property) =>
|
|
t.isObjectProperty(property) &&
|
|
semanticStaticPropertyKey(
|
|
property.key,
|
|
property.computed,
|
|
) === "require",
|
|
),
|
|
);
|
|
if (
|
|
sourceHasRequire ||
|
|
args?.slice(1).some((arg) => !t.isObjectExpression(arg))
|
|
)
|
|
record(node, target);
|
|
}
|
|
}
|
|
}
|
|
},
|
|
});
|
|
moduleRequireWrites.set(state, writes);
|
|
return writes;
|
|
};
|
|
|
|
/** Whether the original global process object can still own effects at this source site. */
|
|
export const semanticOriginalGlobalProcessAt = (
|
|
node: t.Node,
|
|
state: JavaScriptSemanticAnalysisState,
|
|
): boolean => {
|
|
let replacements = globalProcessReplacements.get(state);
|
|
if (replacements === undefined) {
|
|
replacements = [
|
|
...state.ambientWriteEffects
|
|
.filter(
|
|
({ path }) =>
|
|
path.length <= 2 &&
|
|
path.every((key, index) =>
|
|
semanticPropertyPathKeyMatches(
|
|
key,
|
|
["global", "process"][index]!,
|
|
),
|
|
),
|
|
)
|
|
.map(({ node: write }) => write),
|
|
...(state.ambientBindingWrites.get("process") ?? []),
|
|
];
|
|
globalProcessReplacements.set(state, replacements);
|
|
}
|
|
return !replacements.some(
|
|
(write) =>
|
|
!semanticTopLevelEffectFollowsCapture(node, write, state.parentsByNode),
|
|
);
|
|
};
|
|
|
|
/** Node's unbound process reference shares the cached process exports object. */
|
|
export const semanticGlobalProcessOrigin = (
|
|
node: t.Node,
|
|
state: JavaScriptSemanticAnalysisState,
|
|
): JavaScriptModuleOrigin | undefined =>
|
|
t.isIdentifier(node, { name: "process" }) &&
|
|
resolveSemanticBindingState(state, node, "process") === undefined &&
|
|
!semanticResolutionBlocked(state, node, "process") &&
|
|
semanticOriginalGlobalProcessAt(node, state)
|
|
? { specifier: "node:process", importedPath: [], resolutionMode: "require" }
|
|
: undefined;
|
|
|
|
/** Resolve qualified global-object process references, preserving their selected path. */
|
|
export const semanticGlobalProcessPathOrigin = (
|
|
node: t.Node,
|
|
state: JavaScriptSemanticAnalysisState,
|
|
): JavaScriptModuleOrigin | undefined => {
|
|
const chain = semanticMemberChain(node);
|
|
if (chain === undefined) return undefined;
|
|
const { root: current, members } = chain;
|
|
if (
|
|
!t.isIdentifier(current) ||
|
|
!["globalThis", "global", "window", "self"].includes(current.name) ||
|
|
resolveSemanticBindingState(state, current, current.name) !== undefined ||
|
|
semanticResolutionBlocked(state, current, current.name) ||
|
|
members[0] !== "process" ||
|
|
!semanticOriginalGlobalProcessAt(node, state)
|
|
)
|
|
return undefined;
|
|
return {
|
|
specifier: "node:process",
|
|
importedPath: members.slice(1),
|
|
resolutionMode: "require",
|
|
};
|
|
};
|
|
|
|
/** Check one unknown-host wrapper candidate at its source-ordered read. */
|
|
const isConditionalRequireAt = (
|
|
root: t.Identifier,
|
|
node: t.Node,
|
|
state: JavaScriptSemanticAnalysisState,
|
|
allowAmbientModule = false,
|
|
): boolean => {
|
|
const runtime = javaScriptRuntimeContext(state.program);
|
|
if (
|
|
(runtime !== "unknown" && !(allowAmbientModule && runtime === "module")) ||
|
|
semanticResolutionBlocked(state, root, "require") ||
|
|
commonJsDelegateChangedAt(node, state)
|
|
)
|
|
return false;
|
|
const binding = resolveSemanticBindingState(state, root, "require");
|
|
if (
|
|
binding !== undefined &&
|
|
(binding.hostOrigin === "commonjs-wrapper" ||
|
|
state.scopesById.get(binding.scopeId)?.kind !== "program" ||
|
|
binding.declarationKinds.size !== 1 ||
|
|
!binding.declarationKinds.has("var") ||
|
|
(semanticBindingHasPriorValueWrite(node, binding, state) &&
|
|
!(
|
|
(t.isCallExpression(node) ||
|
|
t.isOptionalCallExpression(node) ||
|
|
t.isNewExpression(node)) &&
|
|
isWrapperRequireInitializerCall(binding, node, state)
|
|
)))
|
|
)
|
|
return false;
|
|
return !(state.ambientBindingWrites.get("require") ?? []).some(
|
|
(write) =>
|
|
!semanticTopLevelEffectFollowsCapture(node, write, state.parentsByNode),
|
|
);
|
|
};
|
|
|
|
/** Recover an unshadowed literal require origin and its exact member path. */
|
|
export const semanticRequireOriginCandidate = (
|
|
node: t.Node | null | undefined,
|
|
state: JavaScriptSemanticAnalysisState,
|
|
allowAmbientModule = false,
|
|
): JavaScriptRequireOrigin | undefined => {
|
|
const chain = semanticMemberChain(node);
|
|
const current = chain?.root;
|
|
if (
|
|
chain === undefined ||
|
|
(!t.isCallExpression(current) && !t.isOptionalCallExpression(current)) ||
|
|
!t.isIdentifier(current.callee, { name: "require" })
|
|
)
|
|
return undefined;
|
|
const binding = resolveSemanticBindingState(state, current.callee, "require");
|
|
const runtime = javaScriptRuntimeContext(state.program);
|
|
const candidate =
|
|
(runtime === "unknown" ||
|
|
(allowAmbientModule && runtime === "module" && binding === undefined)) &&
|
|
binding?.hostOrigin !== "commonjs-wrapper";
|
|
if (
|
|
candidate
|
|
? !isConditionalRequireAt(
|
|
current.callee,
|
|
current,
|
|
state,
|
|
allowAmbientModule,
|
|
)
|
|
: commonJsDelegateChangedAt(current, state) ||
|
|
(binding !== undefined &&
|
|
!isUnmodifiedCommonJsWrapperBinding(
|
|
current.callee,
|
|
"require",
|
|
state,
|
|
) &&
|
|
!isWrapperRequireInitializerCall(binding, current, state)) ||
|
|
(binding === undefined &&
|
|
(javaScriptRuntimeContext(state.program) === "module" ||
|
|
semanticResolutionBlocked(state, current.callee, "require"))) ||
|
|
(state.ambientBindingWrites.get("require") ?? []).some(
|
|
(write) =>
|
|
!semanticTopLevelEffectFollowsCapture(
|
|
current,
|
|
write,
|
|
state.parentsByNode,
|
|
),
|
|
)
|
|
)
|
|
return undefined;
|
|
const specifier = stringValue(current.arguments[0]);
|
|
return specifier === undefined
|
|
? undefined
|
|
: {
|
|
origin: {
|
|
specifier,
|
|
importedPath: chain.members,
|
|
resolutionMode: "require",
|
|
...(candidate ? { loaderAuthority: "candidate" as const } : {}),
|
|
},
|
|
call: current,
|
|
};
|
|
};
|
|
|
|
/** Only a proven host loader may establish Node builtin identity. */
|
|
export const semanticRequireOrigin = (
|
|
node: t.Node | null | undefined,
|
|
state: JavaScriptSemanticAnalysisState,
|
|
): JavaScriptRequireOrigin | undefined => {
|
|
const result = semanticRequireOriginCandidate(node, state);
|
|
return result?.origin.loaderAuthority === "candidate" ? undefined : result;
|
|
};
|
|
|
|
/** Node's exported child objects retain their direct builtin-module identity. */
|
|
export const semanticRequireExportsIdentity = <Key>(
|
|
specifier: string,
|
|
path: readonly Key[],
|
|
): { readonly specifier: string; readonly path: readonly (Key | string)[] } => {
|
|
const name = specifier.replace(/^node:/u, "");
|
|
if (name === "fs/promises") return { specifier: name, path };
|
|
if (["path", "path/posix", "path/win32"].includes(name)) {
|
|
let selected = name;
|
|
let remaining = path;
|
|
while (
|
|
remaining.length > 1 &&
|
|
(remaining[0] === "posix" || remaining[0] === "win32")
|
|
) {
|
|
selected = `path/${remaining[0]}`;
|
|
remaining = remaining.slice(1);
|
|
}
|
|
return { specifier: selected, path: remaining };
|
|
}
|
|
return name === "fs" && path[0] === "promises" && path.length > 1
|
|
? { specifier: "fs/promises", path: path.slice(1) }
|
|
: { specifier: name, path };
|
|
};
|
|
|
|
const MUTABLE_BUILTIN_DEFAULTS = new Set([
|
|
...Object.keys(BUILTIN_RESOURCE_METHODS),
|
|
"http",
|
|
"https",
|
|
"child_process",
|
|
"timers",
|
|
"process",
|
|
"path",
|
|
"path/posix",
|
|
"path/win32",
|
|
"url",
|
|
]);
|
|
|
|
/** Mutable default/object selections share CommonJS identity; namespace slots do not. */
|
|
export const semanticMutableBuiltinOrigin = <Key = never>(
|
|
origin: JavaScriptModuleOrigin,
|
|
selected: readonly Key[] = [],
|
|
):
|
|
| { readonly specifier: string; readonly path: readonly (Key | string)[] }
|
|
| undefined => {
|
|
const path = [...origin.importedPath, ...selected];
|
|
if (origin.resolutionMode === "require")
|
|
return { specifier: origin.specifier, path };
|
|
const specifier = origin.specifier.replace(/^node:/u, "");
|
|
if (!MUTABLE_BUILTIN_DEFAULTS.has(specifier)) return undefined;
|
|
if (path[0] === "default") return { specifier, path: path.slice(1) };
|
|
if (specifier === "process" && (path[0] === "env" || path[0] === "argv"))
|
|
return { specifier, path };
|
|
return specifier === "fs" && path[0] === "promises"
|
|
? { specifier, path }
|
|
: undefined;
|
|
};
|
|
|
|
semanticRequireOriginReaders.origin = semanticRequireOrigin;
|
|
semanticRequireOriginReaders.candidate = semanticRequireOriginCandidate;
|
|
semanticRequireOriginReaders.loader = semanticRequireLoaderAt;
|