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Use for-of in the checker

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This commit is contained in:
Cyrus Najmabadi
2015-03-13 09:16:29 -07:00
parent 4642b869fa
commit 6e8a83af08
2 changed files with 16 additions and 17 deletions
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27
src/compiler/checker.ts
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@@ -1290,8 +1290,8 @@ module ts {
}
if (accessibleSymbolChain) {
for (var i = 0, n = accessibleSymbolChain.length; i < n; i++) {
appendParentTypeArgumentsAndSymbolName(accessibleSymbolChain[i]);
for (let accessibleSymbol of accessibleSymbolChain) {
appendParentTypeArgumentsAndSymbolName(accessibleSymbol);
}
}
else {
@@ -3278,14 +3278,14 @@ module ts {
}
function addTypesToSortedSet(sortedTypes: Type[], types: Type[]) {
for (var i = 0, len = types.length; i < len; i++) {
addTypeToSortedSet(sortedTypes, types[i]);
for (let type of types) {
addTypeToSortedSet(sortedTypes, type);
}
}
function isSubtypeOfAny(candidate: Type, types: Type[]): boolean {
for (var i = 0, len = types.length; i < len; i++) {
if (candidate !== types[i] && isTypeSubtypeOf(candidate, types[i])) {
for (let type of types) {
if (candidate !== type && isTypeSubtypeOf(candidate, type)) {
return true;
}
}
@@ -3805,8 +3805,8 @@ module ts {
function unionTypeRelatedToUnionType(source: UnionType, target: UnionType): Ternary {
var result = Ternary.True;
var sourceTypes = source.types;
for (var i = 0, len = sourceTypes.length; i < len; i++) {
var related = typeRelatedToUnionType(sourceTypes[i], target, false);
for (let sourceType of sourceTypes) {
var related = typeRelatedToUnionType(sourceType, target, false);
if (!related) {
return Ternary.False;
}
@@ -3829,8 +3829,8 @@ module ts {
function unionTypeRelatedToType(source: UnionType, target: Type, reportErrors: boolean): Ternary {
var result = Ternary.True;
var sourceTypes = source.types;
for (var i = 0, len = sourceTypes.length; i < len; i++) {
var related = isRelatedTo(sourceTypes[i], target, reportErrors);
for (let sourceType of sourceTypes) {
var related = isRelatedTo(sourceType, target, reportErrors);
if (!related) {
return Ternary.False;
}
@@ -4066,8 +4066,7 @@ module ts {
return Ternary.False;
}
var result = Ternary.True;
for (var i = 0, len = sourceProperties.length; i < len; ++i) {
var sourceProp = sourceProperties[i];
for (let sourceProp of sourceProperties) {
var targetProp = getPropertyOfObjectType(target, sourceProp.name);
if (!targetProp) {
return Ternary.False;
@@ -4332,8 +4331,8 @@ module ts {
}
function isSupertypeOfEach(candidate: Type, types: Type[]): boolean {
for (var i = 0, len = types.length; i < len; i++) {
if (candidate !== types[i] && !isTypeSubtypeOf(types[i], candidate)) return false;
for (let type of types) {
if (candidate !== type && !isTypeSubtypeOf(type, candidate)) return false;
}
return true;
}

6
src/compiler/utilities.ts
View File

@@ -852,9 +852,9 @@ module ts {
export function getHeritageClause(clauses: NodeArray<HeritageClause>, kind: SyntaxKind) {
if (clauses) {
for (var i = 0, n = clauses.length; i < n; i++) {
if (clauses[i].token === kind) {
return clauses[i];
for (let clause of clauses) {
if (clause.token === kind) {
return clause;
}
}
}