microsoft/TypeScript
1
0
Fork 0
mirror of https://github.com/microsoft/TypeScript.git synced 2026-05-18 07:29:16 -05:00
Code Issues Packages Projects Releases 212 Wiki Activity

Fixes stack overflow when exporting a lot in commonjs (#38994)

Browse Source 
* Fixes stack overflow when exporting a lot in commonjs

Fixes #38691

* Add missing test files
This commit is contained in:
Eric Anderson
2020-09-04 12:01:59 -04:00
committed by GitHub
parent 237b6f61f6
commit 79f919e8f5
5 changed files with 50123 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
src/compiler/transformers/module/module.ts
View File

@@ -99,7 +99,19 @@ namespace ts {
append(statements, createUnderscoreUnderscoreESModule());
}
if (length(currentModuleInfo.exportedNames)) {
append(statements, factory.createExpressionStatement(reduceLeft(currentModuleInfo.exportedNames, (prev, nextId) => factory.createAssignment(factory.createPropertyAccessExpression(factory.createIdentifier("exports"), factory.createIdentifier(idText(nextId))), prev), factory.createVoidZero() as Expression)));
const chunkSize = 50;
for (let i=0; i<currentModuleInfo.exportedNames!.length; i += chunkSize) {
append(
statements,
factory.createExpressionStatement(
reduceLeft(
currentModuleInfo.exportedNames!.slice(i, i + chunkSize),
(prev, nextId) => factory.createAssignment(factory.createPropertyAccessExpression(factory.createIdentifier("exports"), factory.createIdentifier(idText(nextId))), prev),
factory.createVoidZero() as Expression
)
)
);
}
}
append(statements, visitNode(currentModuleInfo.externalHelpersImportDeclaration, sourceElementVisitor, isStatement));