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Merge pull request #11715 from Microsoft/unused

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Forbid unused locals/parameters in compiler
This commit is contained in:
Andy 2016-10-19 06:43:01 -07:00 committed by GitHub
commit db0ee4f763
24 changed files with 141 additions and 165 deletions
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49
src/compiler/checker.ts
View File

@ -1054,7 +1054,7 @@ namespace ts {
if (node.moduleReference.kind === SyntaxKind.ExternalModuleReference) {
return resolveExternalModuleSymbol(resolveExternalModuleName(node, getExternalModuleImportEqualsDeclarationExpression(node)));
}
return getSymbolOfPartOfRightHandSideOfImportEquals(<EntityName>node.moduleReference, node);
return getSymbolOfPartOfRightHandSideOfImportEquals(<EntityName>node.moduleReference);
}
function getTargetOfImportClause(node: ImportClause): Symbol {
@ -1267,7 +1267,7 @@ namespace ts {
}
// This function is only for imports with entity names
function getSymbolOfPartOfRightHandSideOfImportEquals(entityName: EntityName, importDeclaration: ImportEqualsDeclaration, dontResolveAlias?: boolean): Symbol {
function getSymbolOfPartOfRightHandSideOfImportEquals(entityName: EntityName, dontResolveAlias?: boolean): Symbol {
// There are three things we might try to look for. In the following examples,
// the search term is enclosed in |...|:
//
@ -2583,7 +2583,7 @@ namespace ts {
}
}
function buildDisplayForTypeArgumentsAndDelimiters(typeParameters: TypeParameter[], mapper: TypeMapper, writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags, symbolStack?: Symbol[]) {
function buildDisplayForTypeArgumentsAndDelimiters(typeParameters: TypeParameter[], mapper: TypeMapper, writer: SymbolWriter, enclosingDeclaration?: Node) {
if (typeParameters && typeParameters.length) {
writePunctuation(writer, SyntaxKind.LessThanToken);
let flags = TypeFormatFlags.InFirstTypeArgument;
@ -4795,7 +4795,7 @@ namespace ts {
const typeParameters = classType ? classType.localTypeParameters :
declaration.typeParameters ? getTypeParametersFromDeclaration(declaration.typeParameters) :
getTypeParametersFromJSDocTemplate(declaration);
const returnType = getSignatureReturnTypeFromDeclaration(declaration, minArgumentCount, isJSConstructSignature, classType);
const returnType = getSignatureReturnTypeFromDeclaration(declaration, isJSConstructSignature, classType);
const typePredicate = declaration.type && declaration.type.kind === SyntaxKind.TypePredicate ?
createTypePredicateFromTypePredicateNode(declaration.type as TypePredicateNode) :
undefined;
@ -4805,7 +4805,7 @@ namespace ts {
return links.resolvedSignature;
}
function getSignatureReturnTypeFromDeclaration(declaration: SignatureDeclaration, minArgumentCount: number, isJSConstructSignature: boolean, classType: Type) {
function getSignatureReturnTypeFromDeclaration(declaration: SignatureDeclaration, isJSConstructSignature: boolean, classType: Type) {
if (isJSConstructSignature) {
return getTypeFromTypeNode(declaration.parameters[0].type);
}
@ -5170,10 +5170,7 @@ namespace ts {
return undefined;
}
function resolveTypeReferenceName(
node: TypeReferenceNode | ExpressionWithTypeArguments | JSDocTypeReference,
typeReferenceName: EntityNameExpression | EntityName) {
function resolveTypeReferenceName(typeReferenceName: EntityNameExpression | EntityName) {
if (!typeReferenceName) {
return unknownSymbol;
}
@ -5211,7 +5208,7 @@ namespace ts {
let type: Type;
if (node.kind === SyntaxKind.JSDocTypeReference) {
const typeReferenceName = getTypeReferenceName(node);
symbol = resolveTypeReferenceName(node, typeReferenceName);
symbol = resolveTypeReferenceName(typeReferenceName);
type = getTypeReferenceType(node, symbol);
}
else {
@ -6673,8 +6670,8 @@ namespace ts {
}
if (source.flags & TypeFlags.Union && target.flags & TypeFlags.Union ||
source.flags & TypeFlags.Intersection && target.flags & TypeFlags.Intersection) {
if (result = eachTypeRelatedToSomeType(<UnionOrIntersectionType>source, <UnionOrIntersectionType>target, /*reportErrors*/ false)) {
if (result &= eachTypeRelatedToSomeType(<UnionOrIntersectionType>target, <UnionOrIntersectionType>source, /*reportErrors*/ false)) {
if (result = eachTypeRelatedToSomeType(<UnionOrIntersectionType>source, <UnionOrIntersectionType>target)) {
if (result &= eachTypeRelatedToSomeType(<UnionOrIntersectionType>target, <UnionOrIntersectionType>source)) {
return result;
}
}
@ -6735,7 +6732,7 @@ namespace ts {
return false;
}
function eachTypeRelatedToSomeType(source: UnionOrIntersectionType, target: UnionOrIntersectionType, reportErrors: boolean): Ternary {
function eachTypeRelatedToSomeType(source: UnionOrIntersectionType, target: UnionOrIntersectionType): Ternary {
let result = Ternary.True;
const sourceTypes = source.types;
for (const sourceType of sourceTypes) {
@ -11772,7 +11769,7 @@ namespace ts {
// If the effective argument is 'undefined', then it is an argument that is present but is synthetic.
if (arg === undefined || arg.kind !== SyntaxKind.OmittedExpression) {
const paramType = getTypeAtPosition(signature, i);
let argType = getEffectiveArgumentType(node, i, arg);
let argType = getEffectiveArgumentType(node, i);
// If the effective argument type is 'undefined', there is no synthetic type
// for the argument. In that case, we should check the argument.
@ -11858,7 +11855,7 @@ namespace ts {
if (arg === undefined || arg.kind !== SyntaxKind.OmittedExpression) {
// Check spread elements against rest type (from arity check we know spread argument corresponds to a rest parameter)
const paramType = getTypeAtPosition(signature, i);
let argType = getEffectiveArgumentType(node, i, arg);
let argType = getEffectiveArgumentType(node, i);
// If the effective argument type is 'undefined', there is no synthetic type
// for the argument. In that case, we should check the argument.
@ -12151,7 +12148,7 @@ namespace ts {
/**
* Gets the effective argument type for an argument in a call expression.
*/
function getEffectiveArgumentType(node: CallLikeExpression, argIndex: number, arg: Expression): Type {
function getEffectiveArgumentType(node: CallLikeExpression, argIndex: number): Type {
// Decorators provide special arguments, a tagged template expression provides
// a special first argument, and string literals get string literal types
// unless we're reporting errors
@ -13556,15 +13553,15 @@ namespace ts {
return booleanType;
}
function checkObjectLiteralAssignment(node: ObjectLiteralExpression, sourceType: Type, contextualMapper?: TypeMapper): Type {
function checkObjectLiteralAssignment(node: ObjectLiteralExpression, sourceType: Type): Type {
const properties = node.properties;
for (const p of properties) {
checkObjectLiteralDestructuringPropertyAssignment(sourceType, p, contextualMapper);
checkObjectLiteralDestructuringPropertyAssignment(sourceType, p);
}
return sourceType;
}
function checkObjectLiteralDestructuringPropertyAssignment(objectLiteralType: Type, property: ObjectLiteralElementLike, contextualMapper?: TypeMapper) {
function checkObjectLiteralDestructuringPropertyAssignment(objectLiteralType: Type, property: ObjectLiteralElementLike) {
if (property.kind === SyntaxKind.PropertyAssignment || property.kind === SyntaxKind.ShorthandPropertyAssignment) {
const name = <PropertyName>(<PropertyAssignment>property).name;
if (name.kind === SyntaxKind.ComputedPropertyName) {
@ -13679,7 +13676,7 @@ namespace ts {
target = (<BinaryExpression>target).left;
}
if (target.kind === SyntaxKind.ObjectLiteralExpression) {
return checkObjectLiteralAssignment(<ObjectLiteralExpression>target, sourceType, contextualMapper);
return checkObjectLiteralAssignment(<ObjectLiteralExpression>target, sourceType);
}
if (target.kind === SyntaxKind.ArrayLiteralExpression) {
return checkArrayLiteralAssignment(<ArrayLiteralExpression>target, sourceType, contextualMapper);
@ -18588,7 +18585,7 @@ namespace ts {
// Since we already checked for ExportAssignment, this really could only be an Import
const importEqualsDeclaration = <ImportEqualsDeclaration>getAncestor(entityName, SyntaxKind.ImportEqualsDeclaration);
Debug.assert(importEqualsDeclaration !== undefined);
return getSymbolOfPartOfRightHandSideOfImportEquals(<EntityName>entityName, importEqualsDeclaration, /*dontResolveAlias*/ true);
return getSymbolOfPartOfRightHandSideOfImportEquals(<EntityName>entityName, /*dontResolveAlias*/ true);
}
if (isRightSideOfQualifiedNameOrPropertyAccess(entityName)) {
@ -19971,7 +19968,7 @@ namespace ts {
}
}
function checkGrammarTypeParameterList(node: FunctionLikeDeclaration, typeParameters: NodeArray<TypeParameterDeclaration>, file: SourceFile): boolean {
function checkGrammarTypeParameterList(typeParameters: NodeArray<TypeParameterDeclaration>, file: SourceFile): boolean {
if (checkGrammarForDisallowedTrailingComma(typeParameters)) {
return true;
}
@ -20022,7 +20019,7 @@ namespace ts {
function checkGrammarFunctionLikeDeclaration(node: FunctionLikeDeclaration): boolean {
// Prevent cascading error by short-circuit
const file = getSourceFileOfNode(node);
return checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarTypeParameterList(node, node.typeParameters, file) ||
return checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarTypeParameterList(node.typeParameters, file) ||
checkGrammarParameterList(node.parameters) || checkGrammarArrowFunction(node, file);
}
@ -20208,7 +20205,7 @@ namespace ts {
}
}
function checkGrammarForInvalidQuestionMark(node: Declaration, questionToken: Node, message: DiagnosticMessage): boolean {
function checkGrammarForInvalidQuestionMark(questionToken: Node, message: DiagnosticMessage): boolean {
if (questionToken) {
return grammarErrorOnNode(questionToken, message);
}
@ -20254,7 +20251,7 @@ namespace ts {
let currentKind: number;
if (prop.kind === SyntaxKind.PropertyAssignment || prop.kind === SyntaxKind.ShorthandPropertyAssignment) {
// Grammar checking for computedPropertyName and shorthandPropertyAssignment
checkGrammarForInvalidQuestionMark(prop, (<PropertyAssignment>prop).questionToken, Diagnostics.An_object_member_cannot_be_declared_optional);
checkGrammarForInvalidQuestionMark((<PropertyAssignment>prop).questionToken, Diagnostics.An_object_member_cannot_be_declared_optional);
if (name.kind === SyntaxKind.NumericLiteral) {
checkGrammarNumericLiteral(<NumericLiteral>name);
}
@ -20438,7 +20435,7 @@ namespace ts {
}
if (node.parent.kind === SyntaxKind.ObjectLiteralExpression) {
if (checkGrammarForInvalidQuestionMark(node, node.questionToken, Diagnostics.An_object_member_cannot_be_declared_optional)) {
if (checkGrammarForInvalidQuestionMark(node.questionToken, Diagnostics.An_object_member_cannot_be_declared_optional)) {
return true;
}
else if (node.body === undefined) {

6
src/compiler/comments.ts
View File

@ -188,7 +188,7 @@ namespace ts {
}
}
function emitLeadingComment(commentPos: number, commentEnd: number, kind: SyntaxKind, hasTrailingNewLine: boolean, rangePos: number) {
function emitLeadingComment(commentPos: number, commentEnd: number, _kind: SyntaxKind, hasTrailingNewLine: boolean, rangePos: number) {
if (!hasWrittenComment) {
emitNewLineBeforeLeadingCommentOfPosition(currentLineMap, writer, rangePos, commentPos);
hasWrittenComment = true;
@ -211,7 +211,7 @@ namespace ts {
forEachTrailingCommentToEmit(pos, emitTrailingComment);
}
function emitTrailingComment(commentPos: number, commentEnd: number, kind: SyntaxKind, hasTrailingNewLine: boolean) {
function emitTrailingComment(commentPos: number, commentEnd: number, _kind: SyntaxKind, hasTrailingNewLine: boolean) {
// trailing comments are emitted at space/*trailing comment1 */space/*trailing comment2*/
if (!writer.isAtStartOfLine()) {
writer.write(" ");
@ -242,7 +242,7 @@ namespace ts {
}
}
function emitTrailingCommentOfPosition(commentPos: number, commentEnd: number, kind: SyntaxKind, hasTrailingNewLine: boolean) {
function emitTrailingCommentOfPosition(commentPos: number, commentEnd: number, _kind: SyntaxKind, hasTrailingNewLine: boolean) {
// trailing comments of a position are emitted at /*trailing comment1 */space/*trailing comment*/space
emitPos(commentPos);

17
src/compiler/core.ts
View File

@ -903,7 +903,7 @@ namespace ts {
return t => compose(a(t));
}
else {
return t => u => u;
return _ => u => u;
}
}
@ -943,7 +943,7 @@ namespace ts {
function formatStringFromArgs(text: string, args: { [index: number]: string; }, baseIndex?: number): string {
baseIndex = baseIndex || 0;
return text.replace(/{(\d+)}/g, (match, index?) => args[+index + baseIndex]);
return text.replace(/{(\d+)}/g, (_match, index?) => args[+index + baseIndex]);
}
export let localizedDiagnosticMessages: Map<string> = undefined;
@ -982,7 +982,7 @@ namespace ts {
}
/* internal */
export function formatMessage(dummy: any, message: DiagnosticMessage): string {
export function formatMessage(_dummy: any, message: DiagnosticMessage): string {
let text = getLocaleSpecificMessage(message);
if (arguments.length > 2) {
@ -1623,7 +1623,7 @@ namespace ts {
basePaths: string[];
}
export function getFileMatcherPatterns(path: string, extensions: string[], excludes: string[], includes: string[], useCaseSensitiveFileNames: boolean, currentDirectory: string): FileMatcherPatterns {
export function getFileMatcherPatterns(path: string, excludes: string[], includes: string[], useCaseSensitiveFileNames: boolean, currentDirectory: string): FileMatcherPatterns {
path = normalizePath(path);
currentDirectory = normalizePath(currentDirectory);
const absolutePath = combinePaths(currentDirectory, path);
@ -1640,7 +1640,7 @@ namespace ts {
path = normalizePath(path);
currentDirectory = normalizePath(currentDirectory);
const patterns = getFileMatcherPatterns(path, extensions, excludes, includes, useCaseSensitiveFileNames, currentDirectory);
const patterns = getFileMatcherPatterns(path, excludes, includes, useCaseSensitiveFileNames, currentDirectory);
const regexFlag = useCaseSensitiveFileNames ? "" : "i";
const includeFileRegex = patterns.includeFilePattern && new RegExp(patterns.includeFilePattern, regexFlag);
@ -1874,11 +1874,11 @@ namespace ts {
this.declarations = undefined;
}
function Type(this: Type, checker: TypeChecker, flags: TypeFlags) {
function Type(this: Type, _checker: TypeChecker, flags: TypeFlags) {
this.flags = flags;
}
function Signature(checker: TypeChecker) {
function Signature() {
}
function Node(this: Node, kind: SyntaxKind, pos: number, end: number) {
@ -1911,9 +1911,6 @@ namespace ts {
}
export namespace Debug {
declare var process: any;
declare var require: any;
export let currentAssertionLevel = AssertionLevel.None;
export function shouldAssert(level: AssertionLevel): boolean {

14
src/compiler/declarationEmitter.ts
View File

@ -63,7 +63,7 @@ namespace ts {
let isCurrentFileExternalModule: boolean;
let reportedDeclarationError = false;
let errorNameNode: DeclarationName;
const emitJsDocComments = compilerOptions.removeComments ? function (declaration: Node) { } : writeJsDocComments;
const emitJsDocComments = compilerOptions.removeComments ? () => {} : writeJsDocComments;
const emit = compilerOptions.stripInternal ? stripInternal : emitNode;
let noDeclare: boolean;
@ -580,7 +580,7 @@ namespace ts {
writeAsynchronousModuleElements(nodes);
}
function getDefaultExportAccessibilityDiagnostic(diagnostic: SymbolAccessibilityResult): SymbolAccessibilityDiagnostic {
function getDefaultExportAccessibilityDiagnostic(): SymbolAccessibilityDiagnostic {
return {
diagnosticMessage: Diagnostics.Default_export_of_the_module_has_or_is_using_private_name_0,
errorNode: node
@ -710,7 +710,7 @@ namespace ts {
}
writer.writeLine();
function getImportEntityNameVisibilityError(symbolAccessibilityResult: SymbolAccessibilityResult): SymbolAccessibilityDiagnostic {
function getImportEntityNameVisibilityError(): SymbolAccessibilityDiagnostic {
return {
diagnosticMessage: Diagnostics.Import_declaration_0_is_using_private_name_1,
errorNode: node,
@ -888,7 +888,7 @@ namespace ts {
writeLine();
enclosingDeclaration = prevEnclosingDeclaration;
function getTypeAliasDeclarationVisibilityError(symbolAccessibilityResult: SymbolAccessibilityResult): SymbolAccessibilityDiagnostic {
function getTypeAliasDeclarationVisibilityError(): SymbolAccessibilityDiagnostic {
return {
diagnosticMessage: Diagnostics.Exported_type_alias_0_has_or_is_using_private_name_1,
errorNode: node.type,
@ -955,7 +955,7 @@ namespace ts {
}
}
function getTypeParameterConstraintVisibilityError(symbolAccessibilityResult: SymbolAccessibilityResult): SymbolAccessibilityDiagnostic {
function getTypeParameterConstraintVisibilityError(): SymbolAccessibilityDiagnostic {
// Type parameter constraints are named by user so we should always be able to name it
let diagnosticMessage: DiagnosticMessage;
switch (node.parent.kind) {
@ -1029,7 +1029,7 @@ namespace ts {
resolver.writeBaseConstructorTypeOfClass(<ClassLikeDeclaration>enclosingDeclaration, enclosingDeclaration, TypeFormatFlags.UseTypeOfFunction | TypeFormatFlags.UseTypeAliasValue, writer);
}
function getHeritageClauseVisibilityError(symbolAccessibilityResult: SymbolAccessibilityResult): SymbolAccessibilityDiagnostic {
function getHeritageClauseVisibilityError(): SymbolAccessibilityDiagnostic {
let diagnosticMessage: DiagnosticMessage;
// Heritage clause is written by user so it can always be named
if (node.parent.parent.kind === SyntaxKind.ClassDeclaration) {
@ -1743,7 +1743,7 @@ namespace ts {
}
return addedBundledEmitReference;
function getDeclFileName(emitFileNames: EmitFileNames, sourceFiles: SourceFile[], isBundledEmit: boolean) {
function getDeclFileName(emitFileNames: EmitFileNames, _sourceFiles: SourceFile[], isBundledEmit: boolean) {
// Dont add reference path to this file if it is a bundled emit and caller asked not emit bundled file path
if (isBundledEmit && !addBundledFileReference) {
return;

26
src/compiler/emitter.ts
View File

@ -14,7 +14,7 @@ namespace ts {
}
const id = (s: SourceFile) => s;
const nullTransformers: Transformer[] = [ctx => id];
const nullTransformers: Transformer[] = [_ => id];
// targetSourceFile is when users only want one file in entire project to be emitted. This is used in compileOnSave feature
export function emitFiles(resolver: EmitResolver, host: EmitHost, targetSourceFile: SourceFile, emitOnlyDtsFiles?: boolean): EmitResult {
@ -593,7 +593,7 @@ const _super = (function (geti, seti) {
case SyntaxKind.ExpressionWithTypeArguments:
return emitExpressionWithTypeArguments(<ExpressionWithTypeArguments>node);
case SyntaxKind.ThisType:
return emitThisType(<ThisTypeNode>node);
return emitThisType();
case SyntaxKind.LiteralType:
return emitLiteralType(<LiteralTypeNode>node);
@ -609,7 +609,7 @@ const _super = (function (geti, seti) {
case SyntaxKind.TemplateSpan:
return emitTemplateSpan(<TemplateSpan>node);
case SyntaxKind.SemicolonClassElement:
return emitSemicolonClassElement(<SemicolonClassElement>node);
return emitSemicolonClassElement();
// Statements
case SyntaxKind.Block:
@ -617,7 +617,7 @@ const _super = (function (geti, seti) {
case SyntaxKind.VariableStatement:
return emitVariableStatement(<VariableStatement>node);
case SyntaxKind.EmptyStatement:
return emitEmptyStatement(<EmptyStatement>node);
return emitEmptyStatement();
case SyntaxKind.ExpressionStatement:
return emitExpressionStatement(<ExpressionStatement>node);
case SyntaxKind.IfStatement:
@ -1014,7 +1014,7 @@ const _super = (function (geti, seti) {
write(";");
}
function emitSemicolonClassElement(node: SemicolonClassElement) {
function emitSemicolonClassElement() {
write(";");
}
@ -1084,7 +1084,7 @@ const _super = (function (geti, seti) {
write(")");
}
function emitThisType(node: ThisTypeNode) {
function emitThisType() {
write("this");
}
@ -1397,7 +1397,7 @@ const _super = (function (geti, seti) {
// Statements
//
function emitBlock(node: Block, format?: ListFormat) {
function emitBlock(node: Block) {
if (isSingleLineEmptyBlock(node)) {
writeToken(SyntaxKind.OpenBraceToken, node.pos, /*contextNode*/ node);
write(" ");
@ -1425,7 +1425,7 @@ const _super = (function (geti, seti) {
write(";");
}
function emitEmptyStatement(node: EmptyStatement) {
function emitEmptyStatement() {
write(";");
}
@ -1623,13 +1623,13 @@ const _super = (function (geti, seti) {
if (getEmitFlags(node) & EmitFlags.ReuseTempVariableScope) {
emitSignatureHead(node);
emitBlockFunctionBody(node, body);
emitBlockFunctionBody(body);
}
else {
const savedTempFlags = tempFlags;
tempFlags = 0;
emitSignatureHead(node);
emitBlockFunctionBody(node, body);
emitBlockFunctionBody(body);
tempFlags = savedTempFlags;
}
@ -1656,7 +1656,7 @@ const _super = (function (geti, seti) {
emitWithPrefix(": ", node.type);
}
function shouldEmitBlockFunctionBodyOnSingleLine(parentNode: Node, body: Block) {
function shouldEmitBlockFunctionBodyOnSingleLine(body: Block) {
// We must emit a function body as a single-line body in the following case:
// * The body has NodeEmitFlags.SingleLine specified.
@ -1694,12 +1694,12 @@ const _super = (function (geti, seti) {
return true;
}
function emitBlockFunctionBody(parentNode: Node, body: Block) {
function emitBlockFunctionBody(body: Block) {
write(" {");
increaseIndent();
emitBodyWithDetachedComments(body, body.statements,
shouldEmitBlockFunctionBodyOnSingleLine(parentNode, body)
shouldEmitBlockFunctionBodyOnSingleLine(body)
? emitBlockFunctionBodyOnSingleLine
: emitBlockFunctionBodyWorker);

2
src/compiler/moduleNameResolver.ts
View File

@ -5,7 +5,7 @@ namespace ts {
/* @internal */
export function trace(host: ModuleResolutionHost, message: DiagnosticMessage, ...args: any[]): void;
export function trace(host: ModuleResolutionHost, message: DiagnosticMessage): void {
export function trace(host: ModuleResolutionHost): void {
host.trace(formatMessage.apply(undefined, arguments));
}

16
src/compiler/parser.ts
View File

@ -572,10 +572,10 @@ namespace ts {
// attached to the EOF token.
let parseErrorBeforeNextFinishedNode = false;
export function parseSourceFile(fileName: string, _sourceText: string, languageVersion: ScriptTarget, _syntaxCursor: IncrementalParser.SyntaxCursor, setParentNodes?: boolean, scriptKind?: ScriptKind): SourceFile {
export function parseSourceFile(fileName: string, sourceText: string, languageVersion: ScriptTarget, syntaxCursor: IncrementalParser.SyntaxCursor, setParentNodes?: boolean, scriptKind?: ScriptKind): SourceFile {
scriptKind = ensureScriptKind(fileName, scriptKind);
initializeState(fileName, _sourceText, languageVersion, _syntaxCursor, scriptKind);
initializeState(sourceText, languageVersion, syntaxCursor, scriptKind);
const result = parseSourceFileWorker(fileName, languageVersion, setParentNodes, scriptKind);
@ -589,7 +589,7 @@ namespace ts {
return scriptKind === ScriptKind.TSX || scriptKind === ScriptKind.JSX || scriptKind === ScriptKind.JS ? LanguageVariant.JSX : LanguageVariant.Standard;
}
function initializeState(fileName: string, _sourceText: string, languageVersion: ScriptTarget, _syntaxCursor: IncrementalParser.SyntaxCursor, scriptKind: ScriptKind) {
function initializeState(_sourceText: string, languageVersion: ScriptTarget, _syntaxCursor: IncrementalParser.SyntaxCursor, scriptKind: ScriptKind) {
NodeConstructor = objectAllocator.getNodeConstructor();
TokenConstructor = objectAllocator.getTokenConstructor();
IdentifierConstructor = objectAllocator.getIdentifierConstructor();
@ -5259,7 +5259,7 @@ namespace ts {
parseExpected(SyntaxKind.ClassKeyword);
node.name = parseNameOfClassDeclarationOrExpression();
node.typeParameters = parseTypeParameters();
node.heritageClauses = parseHeritageClauses(/*isClassHeritageClause*/ true);
node.heritageClauses = parseHeritageClauses();
if (parseExpected(SyntaxKind.OpenBraceToken)) {
// ClassTail[Yield,Await] : (Modified) See 14.5
@ -5289,7 +5289,7 @@ namespace ts {
return token() === SyntaxKind.ImplementsKeyword && lookAhead(nextTokenIsIdentifierOrKeyword);
}
function parseHeritageClauses(isClassHeritageClause: boolean): NodeArray<HeritageClause> {
function parseHeritageClauses(): NodeArray<HeritageClause> {
// ClassTail[Yield,Await] : (Modified) See 14.5
// ClassHeritage[?Yield,?Await]opt { ClassBody[?Yield,?Await]opt }
@ -5337,7 +5337,7 @@ namespace ts {
parseExpected(SyntaxKind.InterfaceKeyword);
node.name = parseIdentifier();
node.typeParameters = parseTypeParameters();
node.heritageClauses = parseHeritageClauses(/*isClassHeritageClause*/ false);
node.heritageClauses = parseHeritageClauses();
node.members = parseObjectTypeMembers();
return addJSDocComment(finishNode(node));
}
@ -5817,7 +5817,7 @@ namespace ts {
}
export function parseJSDocTypeExpressionForTests(content: string, start: number, length: number) {
initializeState("file.js", content, ScriptTarget.Latest, /*_syntaxCursor:*/ undefined, ScriptKind.JS);
initializeState(content, ScriptTarget.Latest, /*_syntaxCursor:*/ undefined, ScriptKind.JS);
sourceFile = createSourceFile("file.js", ScriptTarget.Latest, ScriptKind.JS);
scanner.setText(content, start, length);
currentToken = scanner.scan();
@ -6134,7 +6134,7 @@ namespace ts {
}
export function parseIsolatedJSDocComment(content: string, start: number, length: number) {
initializeState("file.js", content, ScriptTarget.Latest, /*_syntaxCursor:*/ undefined, ScriptKind.JS);
initializeState(content, ScriptTarget.Latest, /*_syntaxCursor:*/ undefined, ScriptKind.JS);
sourceFile = <SourceFile>{ languageVariant: LanguageVariant.Standard, text: content };
const jsDoc = parseJSDocCommentWorker(start, length);
const diagnostics = parseDiagnostics;

2
src/compiler/performance.ts
View File

@ -12,7 +12,7 @@ namespace ts.performance {
const profilerEvent = typeof onProfilerEvent === "function" && onProfilerEvent.profiler === true
? onProfilerEvent
: (markName: string) => { };
: (_markName: string) => { };
let enabled = false;
let profilerStart = 0;

49
src/compiler/program.ts
View File

@ -724,7 +724,7 @@ namespace ts {
}
}
function getSyntacticDiagnosticsForFile(sourceFile: SourceFile, cancellationToken: CancellationToken): Diagnostic[] {
function getSyntacticDiagnosticsForFile(sourceFile: SourceFile): Diagnostic[] {
return sourceFile.parseDiagnostics;
}
@ -761,7 +761,7 @@ namespace ts {
// Instead, we just report errors for using TypeScript-only constructs from within a
// JavaScript file.
const checkDiagnostics = isSourceFileJavaScript(sourceFile) ?
getJavaScriptSemanticDiagnosticsForFile(sourceFile, cancellationToken) :
getJavaScriptSemanticDiagnosticsForFile(sourceFile) :
typeChecker.getDiagnostics(sourceFile, cancellationToken);
const fileProcessingDiagnosticsInFile = fileProcessingDiagnostics.getDiagnostics(sourceFile.fileName);
const programDiagnosticsInFile = programDiagnostics.getDiagnostics(sourceFile.fileName);
@ -770,7 +770,7 @@ namespace ts {
});
}
function getJavaScriptSemanticDiagnosticsForFile(sourceFile: SourceFile, cancellationToken: CancellationToken): Diagnostic[] {
function getJavaScriptSemanticDiagnosticsForFile(sourceFile: SourceFile): Diagnostic[] {
return runWithCancellationToken(() => {
const diagnostics: Diagnostic[] = [];
walk(sourceFile);
@ -977,7 +977,7 @@ namespace ts {
}
function processRootFile(fileName: string, isDefaultLib: boolean) {
processSourceFile(normalizePath(fileName), isDefaultLib, /*isReference*/ true);
processSourceFile(normalizePath(fileName), isDefaultLib);
}
function fileReferenceIsEqualTo(a: FileReference, b: FileReference): boolean {
@ -1088,7 +1088,7 @@ namespace ts {
/**
* 'isReference' indicates whether the file was brought in via a reference directive (rather than an import declaration)
*/
function processSourceFile(fileName: string, isDefaultLib: boolean, isReference: boolean, refFile?: SourceFile, refPos?: number, refEnd?: number) {
function processSourceFile(fileName: string, isDefaultLib: boolean, refFile?: SourceFile, refPos?: number, refEnd?: number) {
let diagnosticArgument: string[];
let diagnostic: DiagnosticMessage;
if (hasExtension(fileName)) {
@ -1096,7 +1096,7 @@ namespace ts {
diagnostic = Diagnostics.File_0_has_unsupported_extension_The_only_supported_extensions_are_1;
diagnosticArgument = [fileName, "'" + supportedExtensions.join("', '") + "'"];
}
else if (!findSourceFile(fileName, toPath(fileName, currentDirectory, getCanonicalFileName), isDefaultLib, isReference, refFile, refPos, refEnd)) {
else if (!findSourceFile(fileName, toPath(fileName, currentDirectory, getCanonicalFileName), isDefaultLib, refFile, refPos, refEnd)) {
diagnostic = Diagnostics.File_0_not_found;
diagnosticArgument = [fileName];
}
@ -1106,13 +1106,13 @@ namespace ts {
}
}
else {
const nonTsFile: SourceFile = options.allowNonTsExtensions && findSourceFile(fileName, toPath(fileName, currentDirectory, getCanonicalFileName), isDefaultLib, isReference, refFile, refPos, refEnd);
const nonTsFile: SourceFile = options.allowNonTsExtensions && findSourceFile(fileName, toPath(fileName, currentDirectory, getCanonicalFileName), isDefaultLib, refFile, refPos, refEnd);
if (!nonTsFile) {
if (options.allowNonTsExtensions) {
diagnostic = Diagnostics.File_0_not_found;
diagnosticArgument = [fileName];
}
else if (!forEach(supportedExtensions, extension => findSourceFile(fileName + extension, toPath(fileName + extension, currentDirectory, getCanonicalFileName), isDefaultLib, isReference, refFile, refPos, refEnd))) {
else if (!forEach(supportedExtensions, extension => findSourceFile(fileName + extension, toPath(fileName + extension, currentDirectory, getCanonicalFileName), isDefaultLib, refFile, refPos, refEnd))) {
diagnostic = Diagnostics.File_0_not_found;
fileName += ".ts";
diagnosticArgument = [fileName];
@ -1141,7 +1141,7 @@ namespace ts {
}
// Get source file from normalized fileName
function findSourceFile(fileName: string, path: Path, isDefaultLib: boolean, isReference: boolean, refFile?: SourceFile, refPos?: number, refEnd?: number): SourceFile {
function findSourceFile(fileName: string, path: Path, isDefaultLib: boolean, refFile?: SourceFile, refPos?: number, refEnd?: number): SourceFile {
if (filesByName.contains(path)) {
const file = filesByName.get(path);
// try to check if we've already seen this file but with a different casing in path
@ -1155,18 +1155,18 @@ namespace ts {
if (file && sourceFilesFoundSearchingNodeModules[file.path] && currentNodeModulesDepth == 0) {
sourceFilesFoundSearchingNodeModules[file.path] = false;
if (!options.noResolve) {
processReferencedFiles(file, getDirectoryPath(fileName), isDefaultLib);
processReferencedFiles(file, isDefaultLib);
processTypeReferenceDirectives(file);
}
modulesWithElidedImports[file.path] = false;
processImportedModules(file, getDirectoryPath(fileName));
processImportedModules(file);
}
// See if we need to reprocess the imports due to prior skipped imports
else if (file && modulesWithElidedImports[file.path]) {
if (currentNodeModulesDepth < maxNodeModulesJsDepth) {
modulesWithElidedImports[file.path] = false;
processImportedModules(file, getDirectoryPath(fileName));
processImportedModules(file);
}
}
@ -1202,14 +1202,13 @@ namespace ts {
skipDefaultLib = skipDefaultLib || file.hasNoDefaultLib;
const basePath = getDirectoryPath(fileName);
if (!options.noResolve) {
processReferencedFiles(file, basePath, isDefaultLib);
processReferencedFiles(file, isDefaultLib);
processTypeReferenceDirectives(file);
}
// always process imported modules to record module name resolutions
processImportedModules(file, basePath);
processImportedModules(file);
if (isDefaultLib) {
files.unshift(file);
@ -1222,10 +1221,10 @@ namespace ts {
return file;
}
function processReferencedFiles(file: SourceFile, basePath: string, isDefaultLib: boolean) {
function processReferencedFiles(file: SourceFile, isDefaultLib: boolean) {
forEach(file.referencedFiles, ref => {
const referencedFileName = resolveTripleslashReference(ref.fileName, file.fileName);
processSourceFile(referencedFileName, isDefaultLib, /*isReference*/ true, file, ref.pos, ref.end);
processSourceFile(referencedFileName, isDefaultLib, file, ref.pos, ref.end);
});
}
@ -1256,7 +1255,7 @@ namespace ts {
if (resolvedTypeReferenceDirective) {
if (resolvedTypeReferenceDirective.primary) {
// resolved from the primary path
processSourceFile(resolvedTypeReferenceDirective.resolvedFileName, /*isDefaultLib*/ false, /*isReference*/ true, refFile, refPos, refEnd);
processSourceFile(resolvedTypeReferenceDirective.resolvedFileName, /*isDefaultLib*/ false, refFile, refPos, refEnd);
}
else {
// If we already resolved to this file, it must have been a secondary reference. Check file contents
@ -1276,7 +1275,7 @@ namespace ts {
}
else {
// First resolution of this library
processSourceFile(resolvedTypeReferenceDirective.resolvedFileName, /*isDefaultLib*/ false, /*isReference*/ true, refFile, refPos, refEnd);
processSourceFile(resolvedTypeReferenceDirective.resolvedFileName, /*isDefaultLib*/ false, refFile, refPos, refEnd);
}
}
}
@ -1302,7 +1301,7 @@ namespace ts {
return host.getCanonicalFileName(fileName);
}
function processImportedModules(file: SourceFile, basePath: string) {
function processImportedModules(file: SourceFile) {
collectExternalModuleReferences(file);
if (file.imports.length || file.moduleAugmentations.length) {
file.resolvedModules = createMap<ResolvedModule>();
@ -1333,7 +1332,7 @@ namespace ts {
else if (shouldAddFile) {
findSourceFile(resolution.resolvedFileName,
toPath(resolution.resolvedFileName, currentDirectory, getCanonicalFileName),
/*isDefaultLib*/ false, /*isReference*/ false,
/*isDefaultLib*/ false,
file,
skipTrivia(file.text, file.imports[i].pos),
file.imports[i].end);
@ -1541,7 +1540,7 @@ namespace ts {
if (!options.noEmit && !options.suppressOutputPathCheck) {
const emitHost = getEmitHost();
const emitFilesSeen = createFileMap<boolean>(!host.useCaseSensitiveFileNames() ? key => key.toLocaleLowerCase() : undefined);
forEachExpectedEmitFile(emitHost, (emitFileNames, sourceFiles, isBundledEmit) => {
forEachExpectedEmitFile(emitHost, (emitFileNames) => {
verifyEmitFilePath(emitFileNames.jsFilePath, emitFilesSeen);
verifyEmitFilePath(emitFileNames.declarationFilePath, emitFilesSeen);
});
@ -1553,13 +1552,13 @@ namespace ts {
const emitFilePath = toPath(emitFileName, currentDirectory, getCanonicalFileName);
// Report error if the output overwrites input file
if (filesByName.contains(emitFilePath)) {
createEmitBlockingDiagnostics(emitFileName, emitFilePath, Diagnostics.Cannot_write_file_0_because_it_would_overwrite_input_file);
createEmitBlockingDiagnostics(emitFileName, Diagnostics.Cannot_write_file_0_because_it_would_overwrite_input_file);
}
// Report error if multiple files write into same file
if (emitFilesSeen.contains(emitFilePath)) {
// Already seen the same emit file - report error
createEmitBlockingDiagnostics(emitFileName, emitFilePath, Diagnostics.Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files);
createEmitBlockingDiagnostics(emitFileName, Diagnostics.Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files);
}
else {
emitFilesSeen.set(emitFilePath, true);
@ -1568,7 +1567,7 @@ namespace ts {
}
}
function createEmitBlockingDiagnostics(emitFileName: string, emitFilePath: Path, message: DiagnosticMessage) {
function createEmitBlockingDiagnostics(emitFileName: string, message: DiagnosticMessage) {
hasEmitBlockingDiagnostics.set(toPath(emitFileName, currentDirectory, getCanonicalFileName), true);
programDiagnostics.add(createCompilerDiagnostic(message, emitFileName));
}

2
src/compiler/scanner.ts
View File

@ -723,7 +723,7 @@ namespace ts {
return iterateCommentRanges(/*reduce*/ true, text, pos, /*trailing*/ true, cb, state, initial);
}
function appendCommentRange(pos: number, end: number, kind: SyntaxKind, hasTrailingNewLine: boolean, state: any, comments: CommentRange[]) {
function appendCommentRange(pos: number, end: number, kind: SyntaxKind, hasTrailingNewLine: boolean, _state: any, comments: CommentRange[]) {
if (!comments) {
comments = [];
}

12
src/compiler/sys.ts
View File

@ -46,13 +46,9 @@ namespace ts {
}
declare var require: any;
declare var module: any;
declare var process: any;
declare var global: any;
declare var __filename: string;
declare var Buffer: {
new (str: string, encoding?: string): any;
};
declare class Enumerator {
public atEnd(): boolean;
@ -324,7 +320,7 @@ namespace ts {
const platform: string = _os.platform();
const useCaseSensitiveFileNames = isFileSystemCaseSensitive();
function readFile(fileName: string, encoding?: string): string {
function readFile(fileName: string, _encoding?: string): string {
if (!fileExists(fileName)) {
return undefined;
}
@ -576,7 +572,7 @@ namespace ts {
args: ChakraHost.args,
useCaseSensitiveFileNames: !!ChakraHost.useCaseSensitiveFileNames,
write: ChakraHost.echo,
readFile(path: string, encoding?: string) {
readFile(path: string, _encoding?: string) {
// encoding is automatically handled by the implementation in ChakraHost
return ChakraHost.readFile(path);
},
@ -595,9 +591,9 @@ namespace ts {
getExecutingFilePath: () => ChakraHost.executingFile,
getCurrentDirectory: () => ChakraHost.currentDirectory,
getDirectories: ChakraHost.getDirectories,
getEnvironmentVariable: ChakraHost.getEnvironmentVariable || ((name: string) => ""),
getEnvironmentVariable: ChakraHost.getEnvironmentVariable || (() => ""),
readDirectory: (path: string, extensions?: string[], excludes?: string[], includes?: string[]) => {
const pattern = getFileMatcherPatterns(path, extensions, excludes, includes, !!ChakraHost.useCaseSensitiveFileNames, ChakraHost.currentDirectory);
const pattern = getFileMatcherPatterns(path, excludes, includes, !!ChakraHost.useCaseSensitiveFileNames, ChakraHost.currentDirectory);
return ChakraHost.readDirectory(path, extensions, pattern.basePaths, pattern.excludePattern, pattern.includeFilePattern, pattern.includeDirectoryPattern);
},
exit: ChakraHost.quit,

2
src/compiler/transformer.ts
View File

@ -165,7 +165,7 @@ namespace ts {
hoistFunctionDeclaration,
startLexicalEnvironment,
endLexicalEnvironment,
onSubstituteNode: (emitContext, node) => node,
onSubstituteNode: (_emitContext, node) => node,
enableSubstitution,
isSubstitutionEnabled,
onEmitNode: (node, emitContext, emitCallback) => emitCallback(node, emitContext),

12
src/compiler/transformers/destructuring.ts
View File

@ -51,7 +51,7 @@ namespace ts {
location = value;
}
flattenDestructuring(context, node, value, location, emitAssignment, emitTempVariableAssignment, visitor);
flattenDestructuring(node, value, location, emitAssignment, emitTempVariableAssignment, visitor);
if (needsValue) {
expressions.push(value);
@ -87,13 +87,12 @@ namespace ts {
* @param visitor An optional visitor to use to visit expressions.
*/
export function flattenParameterDestructuring(
context: TransformationContext,
node: ParameterDeclaration,
value: Expression,
visitor?: (node: Node) => VisitResult<Node>) {
const declarations: VariableDeclaration[] = [];
flattenDestructuring(context, node, value, node, emitAssignment, emitTempVariableAssignment, visitor);
flattenDestructuring(node, value, node, emitAssignment, emitTempVariableAssignment, visitor);
return declarations;
@ -123,7 +122,6 @@ namespace ts {
* @param visitor An optional visitor to use to visit expressions.
*/
export function flattenVariableDestructuring(
context: TransformationContext,
node: VariableDeclaration,
value?: Expression,
visitor?: (node: Node) => VisitResult<Node>,
@ -131,7 +129,7 @@ namespace ts {
const declarations: VariableDeclaration[] = [];
let pendingAssignments: Expression[];
flattenDestructuring(context, node, value, node, emitAssignment, emitTempVariableAssignment, visitor);
flattenDestructuring(node, value, node, emitAssignment, emitTempVariableAssignment, visitor);
return declarations;
@ -180,7 +178,6 @@ namespace ts {
* @param visitor An optional visitor to use to visit expressions.
*/
export function flattenVariableDestructuringToExpression(
context: TransformationContext,
node: VariableDeclaration,
recordTempVariable: (name: Identifier) => void,
nameSubstitution?: (name: Identifier) => Expression,
@ -188,7 +185,7 @@ namespace ts {
const pendingAssignments: Expression[] = [];
flattenDestructuring(context, node, /*value*/ undefined, node, emitAssignment, emitTempVariableAssignment, visitor);
flattenDestructuring(node, /*value*/ undefined, node, emitAssignment, emitTempVariableAssignment, visitor);
const expression = inlineExpressions(pendingAssignments);
aggregateTransformFlags(expression);
@ -219,7 +216,6 @@ namespace ts {
}
function flattenDestructuring(
context: TransformationContext,
root: VariableDeclaration | ParameterDeclaration | BindingElement | BinaryExpression,
value: Expression,
location: TextRange,

27
src/compiler/transformers/es2015.ts
View File

@ -396,7 +396,7 @@ namespace ts {
return visitYieldExpression(<YieldExpression>node);
case SyntaxKind.SuperKeyword:
return visitSuperKeyword(<PrimaryExpression>node);
return visitSuperKeyword();
case SyntaxKind.YieldExpression:
// `yield` will be handled by a generators transform.
@ -1118,7 +1118,7 @@ namespace ts {
createVariableStatement(
/*modifiers*/ undefined,
createVariableDeclarationList(
flattenParameterDestructuring(context, parameter, temp, visitor)
flattenParameterDestructuring(parameter, temp, visitor)
)
),
EmitFlags.CustomPrologue
@ -1690,7 +1690,7 @@ namespace ts {
if (decl.initializer) {
let assignment: Expression;
if (isBindingPattern(decl.name)) {
assignment = flattenVariableDestructuringToExpression(context, decl, hoistVariableDeclaration, /*nameSubstitution*/ undefined, visitor);
assignment = flattenVariableDestructuringToExpression(decl, hoistVariableDeclaration, /*nameSubstitution*/ undefined, visitor);
}
else {
assignment = createBinary(<Identifier>decl.name, SyntaxKind.EqualsToken, visitNode(decl.initializer, visitor, isExpression));
@ -1843,7 +1843,7 @@ namespace ts {
if (isBindingPattern(node.name)) {
const recordTempVariablesInLine = !enclosingVariableStatement
|| !hasModifier(enclosingVariableStatement, ModifierFlags.Export);
return flattenVariableDestructuring(context, node, /*value*/ undefined, visitor,
return flattenVariableDestructuring(node, /*value*/ undefined, visitor,
recordTempVariablesInLine ? undefined : hoistVariableDeclaration);
}
@ -1946,7 +1946,6 @@ namespace ts {
// This works whether the declaration is a var, let, or const.
// It will use rhsIterationValue _a[_i] as the initializer.
const declarations = flattenVariableDestructuring(
context,
firstOriginalDeclaration,
createElementAccess(rhsReference, counter),
visitor
@ -2539,15 +2538,15 @@ namespace ts {
break;
case SyntaxKind.PropertyAssignment:
expressions.push(transformPropertyAssignmentToExpression(node, <PropertyAssignment>property, receiver, node.multiLine));
expressions.push(transformPropertyAssignmentToExpression(<PropertyAssignment>property, receiver, node.multiLine));
break;
case SyntaxKind.ShorthandPropertyAssignment:
expressions.push(transformShorthandPropertyAssignmentToExpression(node, <ShorthandPropertyAssignment>property, receiver, node.multiLine));
expressions.push(transformShorthandPropertyAssignmentToExpression(<ShorthandPropertyAssignment>property, receiver, node.multiLine));
break;
case SyntaxKind.MethodDeclaration:
expressions.push(transformObjectLiteralMethodDeclarationToExpression(node, <MethodDeclaration>property, receiver, node.multiLine));
expressions.push(transformObjectLiteralMethodDeclarationToExpression(<MethodDeclaration>property, receiver, node.multiLine));
break;
default:
@ -2564,7 +2563,7 @@ namespace ts {
* @param property The PropertyAssignment node.
* @param receiver The receiver for the assignment.
*/
function transformPropertyAssignmentToExpression(node: ObjectLiteralExpression, property: PropertyAssignment, receiver: Expression, startsOnNewLine: boolean) {
function transformPropertyAssignmentToExpression(property: PropertyAssignment, receiver: Expression, startsOnNewLine: boolean) {
const expression = createAssignment(
createMemberAccessForPropertyName(
receiver,
@ -2586,7 +2585,7 @@ namespace ts {
* @param property The ShorthandPropertyAssignment node.
* @param receiver The receiver for the assignment.
*/
function transformShorthandPropertyAssignmentToExpression(node: ObjectLiteralExpression, property: ShorthandPropertyAssignment, receiver: Expression, startsOnNewLine: boolean) {
function transformShorthandPropertyAssignmentToExpression(property: ShorthandPropertyAssignment, receiver: Expression, startsOnNewLine: boolean) {
const expression = createAssignment(
createMemberAccessForPropertyName(
receiver,
@ -2608,7 +2607,7 @@ namespace ts {
* @param method The MethodDeclaration node.
* @param receiver The receiver for the assignment.
*/
function transformObjectLiteralMethodDeclarationToExpression(node: ObjectLiteralExpression, method: MethodDeclaration, receiver: Expression, startsOnNewLine: boolean) {
function transformObjectLiteralMethodDeclarationToExpression(method: MethodDeclaration, receiver: Expression, startsOnNewLine: boolean) {
const expression = createAssignment(
createMemberAccessForPropertyName(
receiver,
@ -2798,7 +2797,7 @@ namespace ts {
// expressions into an array literal.
const numElements = elements.length;
const segments = flatten(
spanMap(elements, partitionSpreadElement, (partition, visitPartition, start, end) =>
spanMap(elements, partitionSpreadElement, (partition, visitPartition, _start, end) =>
visitPartition(partition, multiLine, hasTrailingComma && end === numElements)
)
);
@ -2820,7 +2819,7 @@ namespace ts {
: visitSpanOfNonSpreadElements;
}
function visitSpanOfSpreadElements(chunk: Expression[], multiLine: boolean, hasTrailingComma: boolean): VisitResult<Expression> {
function visitSpanOfSpreadElements(chunk: Expression[]): VisitResult<Expression> {
return map(chunk, visitExpressionOfSpreadElement);
}
@ -3009,7 +3008,7 @@ namespace ts {
/**
* Visits the `super` keyword
*/
function visitSuperKeyword(node: PrimaryExpression): LeftHandSideExpression {
function visitSuperKeyword(): LeftHandSideExpression {
return enclosingNonAsyncFunctionBody
&& isClassElement(enclosingNonAsyncFunctionBody)
&& !hasModifier(enclosingNonAsyncFunctionBody, ModifierFlags.Static)

6
src/compiler/transformers/generators.ts
View File

@ -956,7 +956,7 @@ namespace ts {
* @param elements The elements to visit.
* @param multiLine Whether array literals created should be emitted on multiple lines.
*/
function visitElements(elements: NodeArray<Expression>, multiLine: boolean) {
function visitElements(elements: NodeArray<Expression>, _multiLine?: boolean) {
// [source]
// ar = [1, yield, 2];
//
@ -1102,7 +1102,7 @@ namespace ts {
createFunctionApply(
cacheExpression(visitNode(target, visitor, isLeftHandSideExpression)),
thisArg,
visitElements(node.arguments, /*multiLine*/ false),
visitElements(node.arguments),
/*location*/ node
),
node
@ -1131,7 +1131,7 @@ namespace ts {
createFunctionApply(
cacheExpression(visitNode(target, visitor, isExpression)),
thisArg,
visitElements(node.arguments, /*multiLine*/ false)
visitElements(node.arguments)
),
/*typeArguments*/ undefined,
[],

8
src/compiler/transformers/module/es2015.ts
View File

@ -22,7 +22,8 @@ namespace ts {
function visitor(node: Node): VisitResult<Node> {
switch (node.kind) {
case SyntaxKind.ImportEqualsDeclaration:
return visitImportEqualsDeclaration(<ImportEqualsDeclaration>node);
// Elide `import=` as it is not legal with --module ES6
return undefined;
case SyntaxKind.ExportAssignment:
return visitExportAssignment(<ExportAssignment>node);
}
@ -30,11 +31,6 @@ namespace ts {
return node;
}
function visitImportEqualsDeclaration(node: ImportEqualsDeclaration): VisitResult<ImportEqualsDeclaration> {
// Elide `import=` as it is not legal with --module ES6
return undefined;
}
function visitExportAssignment(node: ExportAssignment): VisitResult<ExportAssignment> {
// Elide `export=` as it is not legal with --module ES6
return node.isExportEquals ? undefined : node;

1
src/compiler/transformers/module/module.ts
View File

@ -680,7 +680,6 @@ namespace ts {
const name = node.name;
if (isBindingPattern(name)) {
return flattenVariableDestructuringToExpression(
context,
node,
hoistVariableDeclaration,
getModuleMemberName,

4
src/compiler/transformers/module/system.ts
View File

@ -646,7 +646,7 @@ namespace ts {
}
else {
// If the variable has a BindingPattern, flatten the variable into multiple assignment expressions.
return flattenVariableDestructuringToExpression(context, node, hoistVariableDeclaration);
return flattenVariableDestructuringToExpression(node, hoistVariableDeclaration);
}
}
@ -795,7 +795,7 @@ namespace ts {
const name = firstDeclaration.name;
return isIdentifier(name)
? name
: flattenVariableDestructuringToExpression(context, firstDeclaration, hoistVariableDeclaration);
: flattenVariableDestructuringToExpression(firstDeclaration, hoistVariableDeclaration);
}
/**

25
src/compiler/transformers/ts.ts
View File

@ -580,7 +580,7 @@ namespace ts {
// HasLexicalDeclaration (N) : Determines if the argument identifier has a binding in this environment record that was created using
// a lexical declaration such as a LexicalDeclaration or a ClassDeclaration.
if (staticProperties.length) {
addInitializedPropertyStatements(statements, node, staticProperties, getLocalName(node, /*noSourceMaps*/ true));
addInitializedPropertyStatements(statements, staticProperties, getLocalName(node, /*noSourceMaps*/ true));
}
// Write any decorators of the node.
@ -822,7 +822,7 @@ namespace ts {
// the body of a class with static initializers.
setEmitFlags(classExpression, EmitFlags.Indented | getEmitFlags(classExpression));
expressions.push(startOnNewLine(createAssignment(temp, classExpression)));
addRange(expressions, generateInitializedPropertyExpressions(node, staticProperties, temp));
addRange(expressions, generateInitializedPropertyExpressions(staticProperties, temp));
expressions.push(startOnNewLine(temp));
return inlineExpressions(expressions);
}
@ -868,7 +868,7 @@ namespace ts {
}
const parameters = transformConstructorParameters(constructor);
const body = transformConstructorBody(node, constructor, hasExtendsClause, parameters);
const body = transformConstructorBody(node, constructor, hasExtendsClause);
// constructor(${parameters}) {
// ${body}
@ -922,9 +922,8 @@ namespace ts {
* @param node The current class.
* @param constructor The current class constructor.
* @param hasExtendsClause A value indicating whether the class has an extends clause.
* @param parameters The transformed parameters for the constructor.
*/
function transformConstructorBody(node: ClassExpression | ClassDeclaration, constructor: ConstructorDeclaration, hasExtendsClause: boolean, parameters: ParameterDeclaration[]) {
function transformConstructorBody(node: ClassExpression | ClassDeclaration, constructor: ConstructorDeclaration, hasExtendsClause: boolean) {
const statements: Statement[] = [];
let indexOfFirstStatement = 0;
@ -976,7 +975,7 @@ namespace ts {
// }
//
const properties = getInitializedProperties(node, /*isStatic*/ false);
addInitializedPropertyStatements(statements, node, properties, createThis());
addInitializedPropertyStatements(statements, properties, createThis());
if (constructor) {
// The class already had a constructor, so we should add the existing statements, skipping the initial super call.
@ -1116,13 +1115,12 @@ namespace ts {
/**
* Generates assignment statements for property initializers.
*
* @param node The class node.
* @param properties An array of property declarations to transform.
* @param receiver The receiver on which each property should be assigned.
*/
function addInitializedPropertyStatements(statements: Statement[], node: ClassExpression | ClassDeclaration, properties: PropertyDeclaration[], receiver: LeftHandSideExpression) {
function addInitializedPropertyStatements(statements: Statement[], properties: PropertyDeclaration[], receiver: LeftHandSideExpression) {
for (const property of properties) {
const statement = createStatement(transformInitializedProperty(node, property, receiver));
const statement = createStatement(transformInitializedProperty(property, receiver));
setSourceMapRange(statement, moveRangePastModifiers(property));
setCommentRange(statement, property);
statements.push(statement);
@ -1132,14 +1130,13 @@ namespace ts {
/**
* Generates assignment expressions for property initializers.
*
* @param node The class node.
* @param properties An array of property declarations to transform.
* @param receiver The receiver on which each property should be assigned.
*/
function generateInitializedPropertyExpressions(node: ClassExpression | ClassDeclaration, properties: PropertyDeclaration[], receiver: LeftHandSideExpression) {
function generateInitializedPropertyExpressions(properties: PropertyDeclaration[], receiver: LeftHandSideExpression) {
const expressions: Expression[] = [];
for (const property of properties) {
const expression = transformInitializedProperty(node, property, receiver);
const expression = transformInitializedProperty(property, receiver);
expression.startsOnNewLine = true;
setSourceMapRange(expression, moveRangePastModifiers(property));
setCommentRange(expression, property);
@ -1152,11 +1149,10 @@ namespace ts {
/**
* Transforms a property initializer into an assignment statement.
*
* @param node The class containing the property.
* @param property The property declaration.
* @param receiver The object receiving the property assignment.
*/
function transformInitializedProperty(node: ClassExpression | ClassDeclaration, property: PropertyDeclaration, receiver: LeftHandSideExpression) {
function transformInitializedProperty(property: PropertyDeclaration, receiver: LeftHandSideExpression) {
const propertyName = visitPropertyNameOfClassElement(property);
const initializer = visitNode(property.initializer, visitor, isExpression);
const memberAccess = createMemberAccessForPropertyName(receiver, propertyName, /*location*/ propertyName);
@ -2423,7 +2419,6 @@ namespace ts {
const name = node.name;
if (isBindingPattern(name)) {
return flattenVariableDestructuringToExpression(
context,
node,
hoistVariableDeclaration,
getNamespaceMemberNameWithSourceMapsAndWithoutComments,

8
src/compiler/tsc.ts
View File

@ -29,7 +29,7 @@ namespace ts {
}
}
function reportEmittedFiles(files: string[], host: CompilerHost): void {
function reportEmittedFiles(files: string[]): void {
if (!files || files.length == 0) {
return;
}
@ -111,7 +111,7 @@ namespace ts {
return count;
}
function getDiagnosticText(message: DiagnosticMessage, ...args: any[]): string {
function getDiagnosticText(_message: DiagnosticMessage, ..._args: any[]): string {
const diagnostic = createCompilerDiagnostic.apply(undefined, arguments);
return <string>diagnostic.messageText;
}
@ -456,7 +456,7 @@ namespace ts {
const sourceFile = hostGetSourceFile(fileName, languageVersion, onError);
if (sourceFile && isWatchSet(compilerOptions) && sys.watchFile) {
// Attach a file watcher
sourceFile.fileWatcher = sys.watchFile(sourceFile.fileName, (fileName: string, removed?: boolean) => sourceFileChanged(sourceFile, removed));
sourceFile.fileWatcher = sys.watchFile(sourceFile.fileName, (_fileName: string, removed?: boolean) => sourceFileChanged(sourceFile, removed));
}
return sourceFile;
}
@ -617,7 +617,7 @@ namespace ts {
reportDiagnostics(sortAndDeduplicateDiagnostics(diagnostics), compilerHost);
reportEmittedFiles(emitOutput.emittedFiles, compilerHost);
reportEmittedFiles(emitOutput.emittedFiles);
if (emitOutput.emitSkipped && diagnostics.length > 0) {
// If the emitter didn't emit anything, then pass that value along.

4
src/compiler/tsconfig.json
View File

@ -9,7 +9,9 @@
"sourceMap": true,
"declaration": true,
"stripInternal": true,
"target": "es5"
"target": "es5",
"noUnusedLocals": true,
"noUnusedParameters": true
},
"files": [
"core.ts",

4
src/compiler/utilities.ts
View File

@ -2566,7 +2566,7 @@ namespace ts {
const options = host.getCompilerOptions();
// Emit on each source file
if (options.outFile || options.out) {
onBundledEmit(host, sourceFiles);
onBundledEmit(sourceFiles);
}
else {
for (const sourceFile of sourceFiles) {
@ -2599,7 +2599,7 @@ namespace ts {
action(jsFilePath, sourceMapFilePath, declarationFilePath, [sourceFile], /*isBundledEmit*/ false);
}
function onBundledEmit(host: EmitHost, sourceFiles: SourceFile[]) {
function onBundledEmit(sourceFiles: SourceFile[]) {
if (sourceFiles.length) {
const jsFilePath = options.outFile || options.out;
const sourceMapFilePath = getSourceMapFilePath(jsFilePath, options);

6
src/compiler/visitor.ts
View File

@ -1331,18 +1331,18 @@ namespace ts {
export namespace Debug {
export const failNotOptional = shouldAssert(AssertionLevel.Normal)
? (message?: string) => assert(false, message || "Node not optional.")
: (message?: string) => {};
: () => {};
export const failBadSyntaxKind = shouldAssert(AssertionLevel.Normal)
? (node: Node, message?: string) => assert(false, message || "Unexpected node.", () => `Node ${formatSyntaxKind(node.kind)} was unexpected.`)
: (node: Node, message?: string) => {};
: () => {};
export const assertNode = shouldAssert(AssertionLevel.Normal)
? (node: Node, test: (node: Node) => boolean, message?: string) => assert(
test === undefined || test(node),
message || "Unexpected node.",
() => `Node ${formatSyntaxKind(node.kind)} did not pass test '${getFunctionName(test)}'.`)
: (node: Node, test: (node: Node) => boolean, message?: string) => {};
: () => {};
function getFunctionName(func: Function) {
if (typeof func !== "function") {

4
src/services/shims.ts
View File

@ -444,7 +444,7 @@ namespace ts {
}
public readDirectory(path: string, extensions?: string[], exclude?: string[], include?: string[], depth?: number): string[] {
const pattern = getFileMatcherPatterns(path, extensions, exclude, include,
const pattern = getFileMatcherPatterns(path, exclude, include,
this.shimHost.useCaseSensitiveFileNames(), this.shimHost.getCurrentDirectory());
return JSON.parse(this.shimHost.readDirectory(
path,
@ -509,7 +509,7 @@ namespace ts {
// Wrap the API changes for 2.0 release. This try/catch
// should be removed once TypeScript 2.0 has shipped.
try {
const pattern = getFileMatcherPatterns(rootDir, extensions, exclude, include,
const pattern = getFileMatcherPatterns(rootDir, exclude, include,
this.shimHost.useCaseSensitiveFileNames(), this.shimHost.getCurrentDirectory());
return JSON.parse(this.shimHost.readDirectory(
rootDir,