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Do not create map just to store empty reference files. Also update file as changed if file text is same but it had invalidated resolution

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This commit is contained in:
Sheetal Nandi
2017-09-08 18:02:10 -07:00
parent de28d02626
commit 5739b6897a
3 changed files with 76 additions and 36 deletions
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62
src/compiler/builder.ts
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@@ -48,6 +48,7 @@ namespace ts {
addScriptInfo(program: Program, sourceFile: SourceFile): void;
removeScriptInfo(path: Path): void;
updateScriptInfo(program: Program, sourceFile: SourceFile): void;
updaterScriptInfoWithSameVersion(program: Program, sourceFile: SourceFile): boolean;
/**
* Gets the files affected by the script info which has updated shape from the known one
*/
@@ -143,11 +144,15 @@ namespace ts {
}
function updateExistingFileInfo(program: Program, existingInfo: FileInfo, sourceFile: SourceFile, hasInvalidatedResolution: HasInvalidatedResolution) {
if (existingInfo.version !== sourceFile.version || hasInvalidatedResolution(sourceFile.path)) {
if (existingInfo.version !== sourceFile.version) {
registerChangedFile(sourceFile.path, sourceFile.fileName);
existingInfo.version = sourceFile.version;
emitHandler.updateScriptInfo(program, sourceFile);
}
else if (hasInvalidatedResolution(sourceFile.path) &&
emitHandler.updaterScriptInfoWithSameVersion(program, sourceFile)) {
registerChangedFile(sourceFile.path, sourceFile.fileName);
}
}
function ensureProgramGraph(program: Program) {
@@ -338,8 +343,8 @@ namespace ts {
/**
* Gets the referenced files for a file from the program with values for the keys as referenced file's path to be true
*/
function getReferencedFiles(program: Program, sourceFile: SourceFile): Map<true> {
const referencedFiles = createMap<true>();
function getReferencedFiles(program: Program, sourceFile: SourceFile): Map<true> | undefined {
let referencedFiles: Map<true> | undefined;
// We need to use a set here since the code can contain the same import twice,
// but that will only be one dependency.
@@ -351,7 +356,7 @@ namespace ts {
if (symbol && symbol.declarations && symbol.declarations[0]) {
const declarationSourceFile = getSourceFileOfNode(symbol.declarations[0]);
if (declarationSourceFile) {
referencedFiles.set(declarationSourceFile.path, true);
addReferencedFile(declarationSourceFile.path);
}
}
}
@@ -362,7 +367,7 @@ namespace ts {
if (sourceFile.referencedFiles && sourceFile.referencedFiles.length > 0) {
for (const referencedFile of sourceFile.referencedFiles) {
const referencedPath = toPath(referencedFile.fileName, sourceFileDirectory, getCanonicalFileName);
referencedFiles.set(referencedPath, true);
addReferencedFile(referencedPath);
}
}
@@ -375,11 +380,18 @@ namespace ts {
const fileName = resolvedTypeReferenceDirective.resolvedFileName;
const typeFilePath = toPath(fileName, sourceFileDirectory, getCanonicalFileName);
referencedFiles.set(typeFilePath, true);
addReferencedFile(typeFilePath);
});
}
return referencedFiles;
function addReferencedFile(referencedPath: Path) {
if (!referencedFiles) {
referencedFiles = createMap<true>();
}
referencedFiles.set(referencedPath, true);
}
}
/**
@@ -402,6 +414,7 @@ namespace ts {
addScriptInfo: noop,
removeScriptInfo: noop,
updateScriptInfo: noop,
updaterScriptInfoWithSameVersion: returnFalse,
getFilesAffectedByUpdatedShape
};
@@ -421,12 +434,45 @@ namespace ts {
return {
addScriptInfo: setReferences,
removeScriptInfo,
updateScriptInfo: setReferences,
updateScriptInfo: updateReferences,
updaterScriptInfoWithSameVersion: updateReferencesTrackingChangedReferences,
getFilesAffectedByUpdatedShape
};
function setReferences(program: Program, sourceFile: SourceFile) {
references.set(sourceFile.path, getReferencedFiles(program, sourceFile));
const newReferences = getReferencedFiles(program, sourceFile);
if (newReferences) {
references.set(sourceFile.path, getReferencedFiles(program, sourceFile));
}
}
function updateReferences(program: Program, sourceFile: SourceFile) {
const newReferences = getReferencedFiles(program, sourceFile);
if (newReferences) {
references.set(sourceFile.path, newReferences);
}
else {
references.delete(sourceFile.path);
}
}
function updateReferencesTrackingChangedReferences(program: Program, sourceFile: SourceFile) {
const newReferences = getReferencedFiles(program, sourceFile);
if (!newReferences) {
// Changed if we had references
return references.delete(sourceFile.path);
}
const oldReferences = references.get(sourceFile.path);
references.set(sourceFile.path, newReferences);
if (!oldReferences || oldReferences.size !== newReferences.size) {
return true;
}
// If there are any new references that werent present previously there is change
return forEachEntry(newReferences, (_true, referencedPath) => !oldReferences.delete(referencedPath)) ||
// Otherwise its changed if there are more references previously than now
!!oldReferences.size;
}
function removeScriptInfo(removedFilePath: Path) {