Skip to content

Add isIntersectionConstituent to relation key #34789

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 4 commits into from
Oct 29, 2019
Merged

Add isIntersectionConstituent to relation key #34789

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
4 commits
Select commit Hold shift + click to select a range
2e0b451
Add isIntersectionConstituent to relation key
sandersn Oct 28, 2019
14d7a44
Merge branch 'master' into add-isIntersectionConstituent-to-relation-key
sandersn Oct 29, 2019
ea80362
Update comments in test
sandersn Oct 29, 2019
0764275
Merge branch 'master' into add-isIntersectionConstituent-to-relation-key
sandersn Oct 29, 2019
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
19 changes: 10 additions & 9 deletions src/compiler/checker.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -14161,7 +14161,7 @@ namespace ts {
return true;
}
if (source.flags & TypeFlags.Object && target.flags & TypeFlags.Object) {
const related = relation.get(getRelationKey(source, target, relation));
const related = relation.get(getRelationKey(source, target, /*isIntersectionConstituent*/ false, relation));
if (related !== undefined) {
return !!(related & RelationComparisonResult.Succeeded);
}
Expand Down Expand Up @@ -14567,7 +14567,7 @@ namespace ts {
// and we need to handle "each" relations before "some" relations for the same kind of type.
if (source.flags & TypeFlags.Union) {
result = relation === comparableRelation ?
someTypeRelatedToType(source as UnionType, target, reportErrors && !(source.flags & TypeFlags.Primitive), isIntersectionConstituent) :
someTypeRelatedToType(source as UnionType, target, reportErrors && !(source.flags & TypeFlags.Primitive)) :
eachTypeRelatedToType(source as UnionType, target, reportErrors && !(source.flags & TypeFlags.Primitive));
}
else {
Expand Down Expand Up @@ -14605,7 +14605,7 @@ namespace ts {
//
// - For a primitive type or type parameter (such as 'number = A & B') there is no point in
// breaking the intersection apart.
result = someTypeRelatedToType(<IntersectionType>source, target, /*reportErrors*/ false, /*isIntersectionConstituent*/ true);
result = someTypeRelatedToType(<IntersectionType>source, target, /*reportErrors*/ false);
}
if (!result && (source.flags & TypeFlags.StructuredOrInstantiable || target.flags & TypeFlags.StructuredOrInstantiable)) {
if (result = recursiveTypeRelatedTo(source, target, reportErrors, isIntersectionConstituent)) {
Expand Down Expand Up @@ -14899,14 +14899,14 @@ namespace ts {
return result;
}

function someTypeRelatedToType(source: UnionOrIntersectionType, target: Type, reportErrors: boolean, isIntersectionConstituent: boolean): Ternary {
function someTypeRelatedToType(source: UnionOrIntersectionType, target: Type, reportErrors: boolean): Ternary {
const sourceTypes = source.types;
if (source.flags & TypeFlags.Union && containsType(sourceTypes, target)) {
return Ternary.True;
}
const len = sourceTypes.length;
for (let i = 0; i < len; i++) {
const related = isRelatedTo(sourceTypes[i], target, reportErrors && i === len - 1, /*headMessage*/ undefined, isIntersectionConstituent);
const related = isRelatedTo(sourceTypes[i], target, reportErrors && i === len - 1);
if (related) {
return related;
}
Expand Down Expand Up @@ -14993,7 +14993,7 @@ namespace ts {
if (overflow) {
return Ternary.False;
}
const id = getRelationKey(source, target, relation);
const id = getRelationKey(source, target, isIntersectionConstituent, relation);
const entry = relation.get(id);
if (entry !== undefined) {
if (reportErrors && entry & RelationComparisonResult.Failed && !(entry & RelationComparisonResult.Reported)) {
Expand Down Expand Up @@ -16207,17 +16207,18 @@ namespace ts {
* To improve caching, the relation key for two generic types uses the target's id plus ids of the type parameters.
* For other cases, the types ids are used.
*/
function getRelationKey(source: Type, target: Type, relation: Map<RelationComparisonResult>) {
function getRelationKey(source: Type, target: Type, isIntersectionConstituent: boolean, relation: Map<RelationComparisonResult>) {
if (relation === identityRelation && source.id > target.id) {
const temp = source;
source = target;
target = temp;
}
const intersection = isIntersectionConstituent ? "&" : "";
if (isTypeReferenceWithGenericArguments(source) && isTypeReferenceWithGenericArguments(target)) {
const typeParameters: Type[] = [];
return getTypeReferenceId(<TypeReference>source, typeParameters) + "," + getTypeReferenceId(<TypeReference>target, typeParameters);
return getTypeReferenceId(<TypeReference>source, typeParameters) + "," + getTypeReferenceId(<TypeReference>target, typeParameters) + intersection;
}
return source.id + "," + target.id;
return source.id + "," + target.id + intersection;
}

// Invoke the callback for each underlying property symbol of the given symbol and return the first
Expand Down
26 changes: 26 additions & 0 deletions tests/baselines/reference/commonTypeIntersection.errors.txt
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,26 @@
tests/cases/conformance/types/intersection/commonTypeIntersection.ts(2,5): error TS2322: Type '{ __typename?: "TypeTwo"; } & { a: boolean; }' is not assignable to type '{ __typename?: "TypeOne"; } & { a: boolean; }'.
Type '{ __typename?: "TypeTwo"; } & { a: boolean; }' is not assignable to type '{ __typename?: "TypeOne"; }'.
Types of property '__typename' are incompatible.
Type '"TypeTwo"' is not assignable to type '"TypeOne"'.
tests/cases/conformance/types/intersection/commonTypeIntersection.ts(4,5): error TS2322: Type '{ __typename?: "TypeTwo"; } & string' is not assignable to type '{ __typename?: "TypeOne"; } & string'.
Type '{ __typename?: "TypeTwo"; } & string' is not assignable to type '{ __typename?: "TypeOne"; }'.
Types of property '__typename' are incompatible.
Type '"TypeTwo"' is not assignable to type '"TypeOne"'.


==== tests/cases/conformance/types/intersection/commonTypeIntersection.ts (2 errors) ====
declare let x1: { __typename?: 'TypeTwo' } & { a: boolean };
let y1: { __typename?: 'TypeOne' } & { a: boolean} = x1; // should error here
~~
!!! error TS2322: Type '{ __typename?: "TypeTwo"; } & { a: boolean; }' is not assignable to type '{ __typename?: "TypeOne"; } & { a: boolean; }'.
!!! error TS2322: Type '{ __typename?: "TypeTwo"; } & { a: boolean; }' is not assignable to type '{ __typename?: "TypeOne"; }'.
!!! error TS2322: Types of property '__typename' are incompatible.
!!! error TS2322: Type '"TypeTwo"' is not assignable to type '"TypeOne"'.
declare let x2: { __typename?: 'TypeTwo' } & string;
let y2: { __typename?: 'TypeOne' } & string = x2; // should error here
~~
!!! error TS2322: Type '{ __typename?: "TypeTwo"; } & string' is not assignable to type '{ __typename?: "TypeOne"; } & string'.
!!! error TS2322: Type '{ __typename?: "TypeTwo"; } & string' is not assignable to type '{ __typename?: "TypeOne"; }'.
!!! error TS2322: Types of property '__typename' are incompatible.
!!! error TS2322: Type '"TypeTwo"' is not assignable to type '"TypeOne"'.

10 changes: 10 additions & 0 deletions tests/baselines/reference/commonTypeIntersection.js
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,10 @@
//// [commonTypeIntersection.ts]
declare let x1: { __typename?: 'TypeTwo' } & { a: boolean };
let y1: { __typename?: 'TypeOne' } & { a: boolean} = x1; // should error here
declare let x2: { __typename?: 'TypeTwo' } & string;
let y2: { __typename?: 'TypeOne' } & string = x2; // should error here


//// [commonTypeIntersection.js]
var y1 = x1; // should error here
var y2 = x2; // should error here
21 changes: 21 additions & 0 deletions tests/baselines/reference/commonTypeIntersection.symbols
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,21 @@
=== tests/cases/conformance/types/intersection/commonTypeIntersection.ts ===
declare let x1: { __typename?: 'TypeTwo' } & { a: boolean };
>x1 : Symbol(x1, Decl(commonTypeIntersection.ts, 0, 11))
>__typename : Symbol(__typename, Decl(commonTypeIntersection.ts, 0, 17))
>a : Symbol(a, Decl(commonTypeIntersection.ts, 0, 46))

let y1: { __typename?: 'TypeOne' } & { a: boolean} = x1; // should error here
>y1 : Symbol(y1, Decl(commonTypeIntersection.ts, 1, 3))
>__typename : Symbol(__typename, Decl(commonTypeIntersection.ts, 1, 9))
>a : Symbol(a, Decl(commonTypeIntersection.ts, 1, 38))
>x1 : Symbol(x1, Decl(commonTypeIntersection.ts, 0, 11))

declare let x2: { __typename?: 'TypeTwo' } & string;
>x2 : Symbol(x2, Decl(commonTypeIntersection.ts, 2, 11))
>__typename : Symbol(__typename, Decl(commonTypeIntersection.ts, 2, 17))

let y2: { __typename?: 'TypeOne' } & string = x2; // should error here
>y2 : Symbol(y2, Decl(commonTypeIntersection.ts, 3, 3))
>__typename : Symbol(__typename, Decl(commonTypeIntersection.ts, 3, 9))
>x2 : Symbol(x2, Decl(commonTypeIntersection.ts, 2, 11))

21 changes: 21 additions & 0 deletions tests/baselines/reference/commonTypeIntersection.types
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,21 @@
=== tests/cases/conformance/types/intersection/commonTypeIntersection.ts ===
declare let x1: { __typename?: 'TypeTwo' } & { a: boolean };
>x1 : { __typename?: "TypeTwo"; } & { a: boolean; }
>__typename : "TypeTwo"
>a : boolean

let y1: { __typename?: 'TypeOne' } & { a: boolean} = x1; // should error here
>y1 : { __typename?: "TypeOne"; } & { a: boolean; }
>__typename : "TypeOne"
>a : boolean
>x1 : { __typename?: "TypeTwo"; } & { a: boolean; }

declare let x2: { __typename?: 'TypeTwo' } & string;
>x2 : { __typename?: "TypeTwo"; } & string
>__typename : "TypeTwo"

let y2: { __typename?: 'TypeOne' } & string = x2; // should error here
>y2 : { __typename?: "TypeOne"; } & string
>__typename : "TypeOne"
>x2 : { __typename?: "TypeTwo"; } & string

62 changes: 34 additions & 28 deletions .../baselines/reference/complicatedIndexedAccessKeyofReliesOnKeyofNeverUpperBound.errors.txt
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -5,20 +5,23 @@ tests/cases/compiler/complicatedIndexedAccessKeyofReliesOnKeyofNeverUpperBound.t
Type '"text" | "email"' is not assignable to type 'ChannelOfType<T, TextChannel>["type"] & ChannelOfType<T, EmailChannel>["type"]'.
Type '"text"' is not assignable to type 'ChannelOfType<T, TextChannel>["type"] & ChannelOfType<T, EmailChannel>["type"]'.
Type '"text"' is not assignable to type 'ChannelOfType<T, TextChannel>["type"]'.
Type 'T' is not assignable to type 'ChannelOfType<T, TextChannel>["type"]'.
Type '"text" | "email"' is not assignable to type 'ChannelOfType<T, TextChannel>["type"]'.
Type '"text"' is not assignable to type 'ChannelOfType<T, TextChannel>["type"]'.
Type '"text"' is not assignable to type 'T & "text"'.
Type '"text"' is not assignable to type 'T'.
'"text"' is assignable to the constraint of type 'T', but 'T' could be instantiated with a different subtype of constraint '"text" | "email"'.
Type 'T' is not assignable to type 'T & "text"'.
Type '"text" | "email"' is not assignable to type 'T & "text"'.
Type '"text"' is not assignable to type 'T & "text"'.
Type '"text"' is not assignable to type 'T'.
'"text"' is assignable to the constraint of type 'T', but 'T' could be instantiated with a different subtype of constraint '"text" | "email"'.
Type 'T' is not assignable to type '"text"'.
Type '"text" | "email"' is not assignable to type '"text"'.
Type '"email"' is not assignable to type '"text"'.
Type '"text"' is not assignable to type 'T & "text"'.
Type '"text"' is not assignable to type 'T'.
'"text"' is assignable to the constraint of type 'T', but 'T' could be instantiated with a different subtype of constraint '"text" | "email"'.
Type 'T' is not assignable to type 'ChannelOfType<T, TextChannel>["type"]'.
Type '"text" | "email"' is not assignable to type 'ChannelOfType<T, TextChannel>["type"]'.
Type '"text"' is not assignable to type 'ChannelOfType<T, TextChannel>["type"]'.
Type '"text"' is not assignable to type 'T & "text"'.
Type '"text"' is not assignable to type 'T'.
'"text"' is assignable to the constraint of type 'T', but 'T' could be instantiated with a different subtype of constraint '"text" | "email"'.
Type 'T' is not assignable to type 'T & "text"'.
Type '"text" | "email"' is not assignable to type 'T & "text"'.
Type '"text"' is not assignable to type 'T & "text"'.
Type '"text"' is not assignable to type 'T'.
'"text"' is assignable to the constraint of type 'T', but 'T' could be instantiated with a different subtype of constraint '"text" | "email"'.
Type 'T' is not assignable to type '"text"'.
Type '"text" | "email"' is not assignable to type '"text"'.
Type '"email"' is not assignable to type '"text"'.


==== tests/cases/compiler/complicatedIndexedAccessKeyofReliesOnKeyofNeverUpperBound.ts (1 errors) ====
Expand Down Expand Up @@ -63,20 +66,23 @@ tests/cases/compiler/complicatedIndexedAccessKeyofReliesOnKeyofNeverUpperBound.t
!!! error TS2322: Type '"text" | "email"' is not assignable to type 'ChannelOfType<T, TextChannel>["type"] & ChannelOfType<T, EmailChannel>["type"]'.
!!! error TS2322: Type '"text"' is not assignable to type 'ChannelOfType<T, TextChannel>["type"] & ChannelOfType<T, EmailChannel>["type"]'.
!!! error TS2322: Type '"text"' is not assignable to type 'ChannelOfType<T, TextChannel>["type"]'.
!!! error TS2322: Type 'T' is not assignable to type 'ChannelOfType<T, TextChannel>["type"]'.
!!! error TS2322: Type '"text" | "email"' is not assignable to type 'ChannelOfType<T, TextChannel>["type"]'.
!!! error TS2322: Type '"text"' is not assignable to type 'ChannelOfType<T, TextChannel>["type"]'.
!!! error TS2322: Type '"text"' is not assignable to type 'T & "text"'.
!!! error TS2322: Type '"text"' is not assignable to type 'T'.
!!! error TS2322: '"text"' is assignable to the constraint of type 'T', but 'T' could be instantiated with a different subtype of constraint '"text" | "email"'.
!!! error TS2322: Type 'T' is not assignable to type 'T & "text"'.
!!! error TS2322: Type '"text" | "email"' is not assignable to type 'T & "text"'.
!!! error TS2322: Type '"text"' is not assignable to type 'T & "text"'.
!!! error TS2322: Type '"text"' is not assignable to type 'T'.
!!! error TS2322: '"text"' is assignable to the constraint of type 'T', but 'T' could be instantiated with a different subtype of constraint '"text" | "email"'.
!!! error TS2322: Type 'T' is not assignable to type '"text"'.
!!! error TS2322: Type '"text" | "email"' is not assignable to type '"text"'.
!!! error TS2322: Type '"email"' is not assignable to type '"text"'.
!!! error TS2322: Type '"text"' is not assignable to type 'T & "text"'.
!!! error TS2322: Type '"text"' is not assignable to type 'T'.
!!! error TS2322: '"text"' is assignable to the constraint of type 'T', but 'T' could be instantiated with a different subtype of constraint '"text" | "email"'.
!!! error TS2322: Type 'T' is not assignable to type 'ChannelOfType<T, TextChannel>["type"]'.
!!! error TS2322: Type '"text" | "email"' is not assignable to type 'ChannelOfType<T, TextChannel>["type"]'.
!!! error TS2322: Type '"text"' is not assignable to type 'ChannelOfType<T, TextChannel>["type"]'.
!!! error TS2322: Type '"text"' is not assignable to type 'T & "text"'.
!!! error TS2322: Type '"text"' is not assignable to type 'T'.
!!! error TS2322: '"text"' is assignable to the constraint of type 'T', but 'T' could be instantiated with a different subtype of constraint '"text" | "email"'.
!!! error TS2322: Type 'T' is not assignable to type 'T & "text"'.
!!! error TS2322: Type '"text" | "email"' is not assignable to type 'T & "text"'.
!!! error TS2322: Type '"text"' is not assignable to type 'T & "text"'.
!!! error TS2322: Type '"text"' is not assignable to type 'T'.
!!! error TS2322: '"text"' is assignable to the constraint of type 'T', but 'T' could be instantiated with a different subtype of constraint '"text" | "email"'.
!!! error TS2322: Type 'T' is not assignable to type '"text"'.
!!! error TS2322: Type '"text" | "email"' is not assignable to type '"text"'.
!!! error TS2322: Type '"email"' is not assignable to type '"text"'.
}

const newTextChannel = makeNewChannel('text');
Expand Down
Loading