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Fix _superIndex emit when super access captured in async arrow

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This commit is contained in:
Ron Buckton
2019-03-18 18:08:58 -07:00
parent 84087d0e0a
commit 4e54f30fb4
5 changed files with 574 additions and 7 deletions
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20
src/compiler/transformers/es2017.ts
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@@ -420,8 +420,10 @@ namespace ts {
const savedCapturedSuperProperties = capturedSuperProperties;
const savedHasSuperElementAccess = hasSuperElementAccess;
capturedSuperProperties = createUnderscoreEscapedMap<true>();
hasSuperElementAccess = false;
if (!isArrowFunction) {
capturedSuperProperties = createUnderscoreEscapedMap<true>();
hasSuperElementAccess = false;
}
let result: ConciseBody;
if (!isArrowFunction) {
@@ -446,9 +448,11 @@ namespace ts {
if (emitSuperHelpers) {
enableSubstitutionForAsyncMethodsWithSuper();
const variableStatement = createSuperAccessVariableStatement(resolver, node, capturedSuperProperties);
substitutedSuperAccessors[getNodeId(variableStatement)] = true;
insertStatementsAfterStandardPrologue(statements, [variableStatement]);
if (hasEntries(capturedSuperProperties)) {
const variableStatement = createSuperAccessVariableStatement(resolver, node, capturedSuperProperties);
substitutedSuperAccessors[getNodeId(variableStatement)] = true;
insertStatementsAfterStandardPrologue(statements, [variableStatement]);
}
}
const block = createBlock(statements, /*multiLine*/ true);
@@ -485,8 +489,10 @@ namespace ts {
}
enclosingFunctionParameterNames = savedEnclosingFunctionParameterNames;
capturedSuperProperties = savedCapturedSuperProperties;
hasSuperElementAccess = savedHasSuperElementAccess;
if (!isArrowFunction) {
capturedSuperProperties = savedCapturedSuperProperties;
hasSuperElementAccess = savedHasSuperElementAccess;
}
return result;
}