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Add type alias for TypeReferenceType and convert to use JSDoc

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This commit is contained in:
Kanchalai Tanglertsampan 2017-05-23 14:31:37 -07:00
parent 23b2545586
commit b40bc0c019
2 changed files with 20 additions and 12 deletions
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30
src/compiler/checker.ts
View file

@ -6696,8 +6696,10 @@ namespace ts {
return length(type.target.typeParameters);
}
// Get type from reference to class or interface
function getTypeFromClassOrInterfaceReference(node: TypeReferenceNode | ExpressionWithTypeArguments | JSDocTypeReference, symbol: Symbol, typeArgs: Type[]): Type {
/**
* Get type from type-reference that reference to class or interface
*/
function getTypeFromClassOrInterfaceReference(node: TypeReferenceType, symbol: Symbol, typeArgs: Type[]): Type {
const type = <InterfaceType>getDeclaredTypeOfSymbol(getMergedSymbol(symbol));
const typeParameters = type.localTypeParameters;
if (typeParameters) {
@ -6738,10 +6740,12 @@ namespace ts {
return instantiation;
}
// Get type from reference to type alias. When a type alias is generic, the declared type of the type alias may include
// references to the type parameters of the alias. We replace those with the actual type arguments by instantiating the
// declared type. Instantiations are cached using the type identities of the type arguments as the key.
function getTypeFromTypeAliasReference(node: TypeReferenceNode | ExpressionWithTypeArguments | JSDocTypeReference, symbol: Symbol, typeArguments: Type[]): Type {
/**
* Get type from reference to type alias. When a type alias is generic, the declared type of the type alias may include
* references to the type parameters of the alias. We replace those with the actual type arguments by instantiating the
* declared type. Instantiations are cached using the type identities of the type arguments as the key.
*/
function getTypeFromTypeAliasReference(node: TypeReferenceType, symbol: Symbol, typeArguments: Type[]): Type {
const type = getDeclaredTypeOfSymbol(symbol);
const typeParameters = getSymbolLinks(symbol).typeParameters;
if (typeParameters) {
@ -6766,8 +6770,10 @@ namespace ts {
return type;
}
// Get type from reference to named type that cannot be generic (enum or type parameter)
function getTypeFromNonGenericTypeReference(node: TypeReferenceNode | ExpressionWithTypeArguments | JSDocTypeReference, symbol: Symbol): Type {
/**
* Get type from reference to named type that cannot be generic (enum or type parameter)
*/
function getTypeFromNonGenericTypeReference(node: TypeReferenceType, symbol: Symbol): Type {
if (node.typeArguments) {
error(node, Diagnostics.Type_0_is_not_generic, symbolToString(symbol));
return unknownType;
@ -6775,7 +6781,7 @@ namespace ts {
return getDeclaredTypeOfSymbol(symbol);
}
function getTypeReferenceName(node: TypeReferenceNode | ExpressionWithTypeArguments | JSDocTypeReference): EntityNameOrEntityNameExpression | undefined {
function getTypeReferenceName(node: TypeReferenceType): EntityNameOrEntityNameExpression | undefined {
switch (node.kind) {
case SyntaxKind.TypeReference:
return (<TypeReferenceNode>node).typeName;
@ -6803,7 +6809,7 @@ namespace ts {
return resolveEntityName(typeReferenceName, SymbolFlags.Type) || unknownSymbol;
}
function getTypeReferenceType(node: TypeReferenceNode | ExpressionWithTypeArguments | JSDocTypeReference, symbol: Symbol) {
function getTypeReferenceType(node: TypeReferenceType, symbol: Symbol) {
const typeArguments = typeArgumentsFromTypeReferenceNode(node); // Do unconditionally so we mark type arguments as referenced.
if (symbol === unknownSymbol) {
@ -6862,7 +6868,7 @@ namespace ts {
return strictNullChecks ? getUnionType([type, nullType]) : type;
}
function getTypeFromTypeReference(node: TypeReferenceNode | ExpressionWithTypeArguments | JSDocTypeReference): Type {
function getTypeFromTypeReference(node: TypeReferenceType): Type {
const links = getNodeLinks(node);
if (!links.resolvedType) {
let symbol: Symbol;
@ -6893,7 +6899,7 @@ namespace ts {
return links.resolvedType;
}
function typeArgumentsFromTypeReferenceNode(node: TypeReferenceNode | ExpressionWithTypeArguments | JSDocTypeReference): Type[] {
function typeArgumentsFromTypeReferenceNode(node: TypeReferenceType): Type[] {
return map(node.typeArguments, getTypeFromTypeNode);
}

2
src/compiler/types.ts
View file

@ -892,6 +892,8 @@ namespace ts {
kind: SyntaxKind.ConstructorType;
}
export type TypeReferenceType = TypeReferenceNode | ExpressionWithTypeArguments | JSDocTypeReference;
export interface TypeReferenceNode extends TypeNode {
kind: SyntaxKind.TypeReference;
typeName: EntityName;