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Merge pull request #9421 from Microsoft/dontEmitNodeModules

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Don't emit any source files found under node_modules
This commit is contained in:
Bill Ticehurst
2016-06-30 19:47:34 -07:00
committed by GitHub
parent a0c1084a5b 5e4f13f342
commit 613e2d33b6
15 changed files with 71 additions and 33 deletions
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37
src/compiler/program.ts
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@@ -779,13 +779,18 @@ namespace ts {
while (true) {
const baseName = getBaseFileName(directory);
if (baseName !== "node_modules") {
const result =
// first: try to load module as-is
loadModuleFromNodeModulesFolder(moduleName, directory, failedLookupLocations, state) ||
// second: try to load module from the scope '@types'
loadModuleFromNodeModulesFolder(combinePaths("@types", moduleName), directory, failedLookupLocations, state);
if (result) {
return result;
// Try to load source from the package
const packageResult = loadModuleFromNodeModulesFolder(moduleName, directory, failedLookupLocations, state);
if (packageResult && hasTypeScriptFileExtension(packageResult)) {
// Always prefer a TypeScript (.ts, .tsx, .d.ts) file shipped with the package
return packageResult;
}
else {
// Else prefer a types package over non-TypeScript results (e.g. JavaScript files)
const typesResult = loadModuleFromNodeModulesFolder(combinePaths("@types", moduleName), directory, failedLookupLocations, state);
if (typesResult || packageResult) {
return typesResult || packageResult;
}
}
}
@@ -1097,7 +1102,7 @@ namespace ts {
const modulesWithElidedImports: Map<boolean> = {};
// Track source files that are JavaScript files found by searching under node_modules, as these shouldn't be compiled.
const jsFilesFoundSearchingNodeModules: Map<boolean> = {};
const sourceFilesFoundSearchingNodeModules: Map<boolean> = {};
const start = new Date().getTime();
@@ -1378,7 +1383,7 @@ namespace ts {
getSourceFile: program.getSourceFile,
getSourceFileByPath: program.getSourceFileByPath,
getSourceFiles: program.getSourceFiles,
getFilesFromNodeModules: () => jsFilesFoundSearchingNodeModules,
isSourceFileFromExternalLibrary: (file: SourceFile) => !!lookUp(sourceFilesFoundSearchingNodeModules, file.path),
writeFile: writeFileCallback || (
(fileName, data, writeByteOrderMark, onError, sourceFiles) => host.writeFile(fileName, data, writeByteOrderMark, onError, sourceFiles)),
isEmitBlocked,
@@ -2066,15 +2071,17 @@ namespace ts {
// - noResolve is falsy
// - module name comes from the list of imports
// - it's not a top level JavaScript module that exceeded the search max
const isJsFileUnderNodeModules = resolution && resolution.isExternalLibraryImport &&
hasJavaScriptFileExtension(resolution.resolvedFileName);
const isFromNodeModulesSearch = resolution && resolution.isExternalLibraryImport;
const isJsFileFromNodeModules = isFromNodeModulesSearch && hasJavaScriptFileExtension(resolution.resolvedFileName);
if (isJsFileUnderNodeModules) {
jsFilesFoundSearchingNodeModules[resolvedPath] = true;
if (isFromNodeModulesSearch) {
sourceFilesFoundSearchingNodeModules[resolvedPath] = true;
}
if (isJsFileFromNodeModules) {
currentNodeModulesJsDepth++;
}
const elideImport = isJsFileUnderNodeModules && currentNodeModulesJsDepth > maxNodeModulesJsDepth;
const elideImport = isJsFileFromNodeModules && currentNodeModulesJsDepth > maxNodeModulesJsDepth;
const shouldAddFile = resolution && !options.noResolve && i < file.imports.length && !elideImport;
if (elideImport) {
@@ -2089,7 +2096,7 @@ namespace ts {
file.imports[i].end);
}
if (isJsFileUnderNodeModules) {
if (isJsFileFromNodeModules) {
currentNodeModulesJsDepth--;
}
}

8
src/compiler/utilities.ts
View File

@@ -36,7 +36,7 @@ namespace ts {
getSourceFiles(): SourceFile[];
/* @internal */
getFilesFromNodeModules(): Map<boolean>;
isSourceFileFromExternalLibrary(file: SourceFile): boolean;
getCommonSourceDirectory(): string;
getCanonicalFileName(fileName: string): string;
@@ -2277,10 +2277,9 @@ namespace ts {
}
else {
const sourceFiles = targetSourceFile === undefined ? host.getSourceFiles() : [targetSourceFile];
const nodeModulesFiles = host.getFilesFromNodeModules();
for (const sourceFile of sourceFiles) {
// Don't emit if source file is a declaration file, or was located under node_modules
if (!isDeclarationFile(sourceFile) && !lookUp(nodeModulesFiles, sourceFile.path)) {
if (!isDeclarationFile(sourceFile) && !host.isSourceFileFromExternalLibrary(sourceFile)) {
onSingleFileEmit(host, sourceFile);
}
}
@@ -2314,10 +2313,9 @@ namespace ts {
function onBundledEmit(host: EmitHost) {
// Can emit only sources that are not declaration file and are either non module code or module with
// --module or --target es6 specified. Files included by searching under node_modules are also not emitted.
const nodeModulesFiles = host.getFilesFromNodeModules();
const bundledSources = filter(host.getSourceFiles(),
sourceFile => !isDeclarationFile(sourceFile) &&
!lookUp(nodeModulesFiles, sourceFile.path) &&
!host.isSourceFileFromExternalLibrary(sourceFile) &&
(!isExternalModule(sourceFile) ||
!!getEmitModuleKind(options)));
if (bundledSources.length) {