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Merge pull request #10538 from Microsoft/find-declarations-of-js-module-export

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Fix crash when checking module exports for export=
This commit is contained in:
Nathan Shively-Sanders
2016-08-25 16:14:13 -07:00
committed by GitHub
parent 8d5aaf8eda 6ee749f8b3
commit 0041d5ce79
11 changed files with 123 additions and 7 deletions
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6
src/compiler/checker.ts
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@@ -1023,8 +1023,8 @@ namespace ts {
}
}
function getDeclarationOfAliasSymbol(symbol: Symbol): Declaration {
return findMap(symbol.declarations, d => isAliasSymbolDeclaration(d) ? d : undefined);
function getDeclarationOfAliasSymbol(symbol: Symbol): Declaration | undefined {
return forEach(symbol.declarations, d => isAliasSymbolDeclaration(d) ? d : undefined);
}
function getTargetOfImportEqualsDeclaration(node: ImportEqualsDeclaration): Symbol {
@@ -1191,6 +1191,7 @@ namespace ts {
if (!links.target) {
links.target = resolvingSymbol;
const node = getDeclarationOfAliasSymbol(symbol);
Debug.assert(!!node);
const target = getTargetOfAliasDeclaration(node);
if (links.target === resolvingSymbol) {
links.target = target || unknownSymbol;
@@ -1226,6 +1227,7 @@ namespace ts {
if (!links.referenced) {
links.referenced = true;
const node = getDeclarationOfAliasSymbol(symbol);
Debug.assert(!!node);
if (node.kind === SyntaxKind.ExportAssignment) {
// export default <symbol>
checkExpressionCached((<ExportAssignment>node).expression);

2
src/compiler/commandLineParser.ts
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@@ -885,7 +885,7 @@ namespace ts {
function convertCompilerOptionsFromJsonWorker(jsonOptions: any,
basePath: string, errors: Diagnostic[], configFileName?: string): CompilerOptions {
const options: CompilerOptions = getBaseFileName(configFileName) === "jsconfig.json" ? { allowJs: true } : {};
const options: CompilerOptions = getBaseFileName(configFileName) === "jsconfig.json" ? { allowJs: true, maxNodeModuleJsDepth: 2 } : {};
convertOptionsFromJson(optionDeclarations, jsonOptions, basePath, options, Diagnostics.Unknown_compiler_option_0, errors);
return options;
}

2
src/compiler/program.ts
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@@ -1101,7 +1101,7 @@ namespace ts {
// - This calls resolveModuleNames, and then calls findSourceFile for each resolved module.
// As all these operations happen - and are nested - within the createProgram call, they close over the below variables.
// The current resolution depth is tracked by incrementing/decrementing as the depth first search progresses.
const maxNodeModulesJsDepth = typeof options.maxNodeModuleJsDepth === "number" ? options.maxNodeModuleJsDepth : 2;
const maxNodeModulesJsDepth = typeof options.maxNodeModuleJsDepth === "number" ? options.maxNodeModuleJsDepth : 0;
let currentNodeModulesDepth = 0;
// If a module has some of its imports skipped due to being at the depth limit under node_modules, then track