mirror of
https://github.com/microsoft/TypeScript.git
synced 2026-02-14 19:16:17 -06:00
Fix narrowing of optional chains (#36089)
* Check for definitely not undefined instead of maybe not undefined * Fix comment * Add tests
This commit is contained in:
Anders Hejlsberg
GitHub
parent
3e4578c9f4
commit
0aab63b7ff
@ -19777,13 +19777,22 @@ namespace ts {
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}
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function narrowTypeByOptionalChainContainment(type: Type, operator: SyntaxKind, value: Expression, assumeTrue: boolean): Type {
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// We are in a branch of obj?.foo === value or obj?.foo !== value. We remove undefined and null from
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// the type of obj if (a) the operator is === and the type of value doesn't include undefined or (b) the
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// operator is !== and the type of value is undefined.
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const effectiveTrue = operator === SyntaxKind.EqualsEqualsToken || operator === SyntaxKind.EqualsEqualsEqualsToken ? assumeTrue : !assumeTrue;
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const doubleEquals = operator === SyntaxKind.EqualsEqualsToken || operator === SyntaxKind.ExclamationEqualsToken;
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const valueNonNullish = !(getTypeFacts(getTypeOfExpression(value)) & (doubleEquals ? TypeFacts.EQUndefinedOrNull : TypeFacts.EQUndefined));
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return effectiveTrue === valueNonNullish ? getTypeWithFacts(type, TypeFacts.NEUndefinedOrNull) : type;
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// We are in a branch of obj?.foo === value (or any one of the other equality operators). We narrow obj as follows:
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// When operator is === and type of value excludes undefined, null and undefined is removed from type of obj in true branch.
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// When operator is !== and type of value excludes undefined, null and undefined is removed from type of obj in false branch.
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// When operator is == and type of value excludes null and undefined, null and undefined is removed from type of obj in true branch.
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// When operator is != and type of value excludes null and undefined, null and undefined is removed from type of obj in false branch.
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// When operator is === and type of value is undefined, null and undefined is removed from type of obj in false branch.
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// When operator is !== and type of value is undefined, null and undefined is removed from type of obj in true branch.
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// When operator is == and type of value is null or undefined, null and undefined is removed from type of obj in false branch.
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// When operator is != and type of value is null or undefined, null and undefined is removed from type of obj in true branch.
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const equalsOperator = operator === SyntaxKind.EqualsEqualsToken || operator === SyntaxKind.EqualsEqualsEqualsToken;
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const nullableFlags = operator === SyntaxKind.EqualsEqualsToken || operator === SyntaxKind.ExclamationEqualsToken ? TypeFlags.Nullable : TypeFlags.Undefined;
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const valueType = getTypeOfExpression(value);
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// Note that we include any and unknown in the exclusion test because their domain includes null and undefined.
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const removeNullable = equalsOperator !== assumeTrue && everyType(valueType, t => !!(t.flags & nullableFlags)) ||
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equalsOperator === assumeTrue && everyType(valueType, t => !(t.flags & (TypeFlags.AnyOrUnknown | nullableFlags)));
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return removeNullable ? getTypeWithFacts(type, TypeFacts.NEUndefinedOrNull) : type;
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}
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function narrowTypeByEquality(type: Type, operator: SyntaxKind, value: Expression, assumeTrue: boolean): Type {
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@ -36,24 +36,33 @@ tests/cases/conformance/controlFlow/controlFlowOptionalChain.ts(310,9): error TS
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tests/cases/conformance/controlFlow/controlFlowOptionalChain.ts(319,9): error TS2532: Object is possibly 'undefined'.
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tests/cases/conformance/controlFlow/controlFlowOptionalChain.ts(322,9): error TS2532: Object is possibly 'undefined'.
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tests/cases/conformance/controlFlow/controlFlowOptionalChain.ts(331,9): error TS2532: Object is possibly 'undefined'.
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tests/cases/conformance/controlFlow/controlFlowOptionalChain.ts(334,9): error TS2532: Object is possibly 'undefined'.
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tests/cases/conformance/controlFlow/controlFlowOptionalChain.ts(337,9): error TS2532: Object is possibly 'undefined'.
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tests/cases/conformance/controlFlow/controlFlowOptionalChain.ts(340,9): error TS2532: Object is possibly 'undefined'.
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tests/cases/conformance/controlFlow/controlFlowOptionalChain.ts(343,9): error TS2532: Object is possibly 'undefined'.
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tests/cases/conformance/controlFlow/controlFlowOptionalChain.ts(346,9): error TS2532: Object is possibly 'undefined'.
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tests/cases/conformance/controlFlow/controlFlowOptionalChain.ts(349,9): error TS2532: Object is possibly 'undefined'.
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tests/cases/conformance/controlFlow/controlFlowOptionalChain.ts(352,9): error TS2532: Object is possibly 'undefined'.
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tests/cases/conformance/controlFlow/controlFlowOptionalChain.ts(391,9): error TS2532: Object is possibly 'undefined'.
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tests/cases/conformance/controlFlow/controlFlowOptionalChain.ts(394,9): error TS2532: Object is possibly 'undefined'.
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tests/cases/conformance/controlFlow/controlFlowOptionalChain.ts(403,9): error TS2532: Object is possibly 'undefined'.
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tests/cases/conformance/controlFlow/controlFlowOptionalChain.ts(406,9): error TS2532: Object is possibly 'undefined'.
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tests/cases/conformance/controlFlow/controlFlowOptionalChain.ts(415,9): error TS2532: Object is possibly 'undefined'.
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tests/cases/conformance/controlFlow/controlFlowOptionalChain.ts(424,9): error TS2532: Object is possibly 'undefined'.
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tests/cases/conformance/controlFlow/controlFlowOptionalChain.ts(427,9): error TS2532: Object is possibly 'undefined'.
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tests/cases/conformance/controlFlow/controlFlowOptionalChain.ts(436,9): error TS2532: Object is possibly 'undefined'.
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tests/cases/conformance/controlFlow/controlFlowOptionalChain.ts(471,13): error TS2532: Object is possibly 'undefined'.
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tests/cases/conformance/controlFlow/controlFlowOptionalChain.ts(474,13): error TS2532: Object is possibly 'undefined'.
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tests/cases/conformance/controlFlow/controlFlowOptionalChain.ts(488,13): error TS2532: Object is possibly 'undefined'.
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tests/cases/conformance/controlFlow/controlFlowOptionalChain.ts(491,13): error TS2532: Object is possibly 'undefined'.
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tests/cases/conformance/controlFlow/controlFlowOptionalChain.ts(358,9): error TS2532: Object is possibly 'undefined'.
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tests/cases/conformance/controlFlow/controlFlowOptionalChain.ts(367,9): error TS2532: Object is possibly 'undefined'.
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tests/cases/conformance/controlFlow/controlFlowOptionalChain.ts(370,9): error TS2532: Object is possibly 'undefined'.
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tests/cases/conformance/controlFlow/controlFlowOptionalChain.ts(379,9): error TS2532: Object is possibly 'undefined'.
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tests/cases/conformance/controlFlow/controlFlowOptionalChain.ts(418,9): error TS2532: Object is possibly 'undefined'.
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tests/cases/conformance/controlFlow/controlFlowOptionalChain.ts(421,9): error TS2532: Object is possibly 'undefined'.
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tests/cases/conformance/controlFlow/controlFlowOptionalChain.ts(430,9): error TS2532: Object is possibly 'undefined'.
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tests/cases/conformance/controlFlow/controlFlowOptionalChain.ts(433,9): error TS2532: Object is possibly 'undefined'.
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tests/cases/conformance/controlFlow/controlFlowOptionalChain.ts(442,9): error TS2532: Object is possibly 'undefined'.
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tests/cases/conformance/controlFlow/controlFlowOptionalChain.ts(451,9): error TS2532: Object is possibly 'undefined'.
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tests/cases/conformance/controlFlow/controlFlowOptionalChain.ts(454,9): error TS2532: Object is possibly 'undefined'.
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tests/cases/conformance/controlFlow/controlFlowOptionalChain.ts(463,9): error TS2532: Object is possibly 'undefined'.
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tests/cases/conformance/controlFlow/controlFlowOptionalChain.ts(498,13): error TS2532: Object is possibly 'undefined'.
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tests/cases/conformance/controlFlow/controlFlowOptionalChain.ts(501,13): error TS2532: Object is possibly 'undefined'.
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tests/cases/conformance/controlFlow/controlFlowOptionalChain.ts(515,13): error TS2532: Object is possibly 'undefined'.
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tests/cases/conformance/controlFlow/controlFlowOptionalChain.ts(518,13): error TS2532: Object is possibly 'undefined'.
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tests/cases/conformance/controlFlow/controlFlowOptionalChain.ts(567,21): error TS2532: Object is possibly 'undefined'.
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==== tests/cases/conformance/controlFlow/controlFlowOptionalChain.ts (53 errors) ====
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==== tests/cases/conformance/controlFlow/controlFlowOptionalChain.ts (62 errors) ====
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// assignments in shortcutting chain
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declare const o: undefined | {
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[key: string]: any;
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@ -456,6 +465,49 @@ tests/cases/conformance/controlFlow/controlFlowOptionalChain.ts(491,13): error T
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}
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}
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function f15a(o: Thing | undefined, value: unknown) {
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if (o?.foo === value) {
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o.foo; // Error
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~
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!!! error TS2532: Object is possibly 'undefined'.
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}
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else {
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o.foo; // Error
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~
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!!! error TS2532: Object is possibly 'undefined'.
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}
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if (o?.foo !== value) {
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o.foo; // Error
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~
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!!! error TS2532: Object is possibly 'undefined'.
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}
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else {
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o.foo; // Error
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~
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!!! error TS2532: Object is possibly 'undefined'.
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}
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if (o?.foo == value) {
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o.foo; // Error
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~
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!!! error TS2532: Object is possibly 'undefined'.
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}
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else {
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o.foo; // Error
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~
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!!! error TS2532: Object is possibly 'undefined'.
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}
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if (o?.foo != value) {
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o.foo; // Error
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~
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!!! error TS2532: Object is possibly 'undefined'.
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}
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else {
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o.foo; // Error
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~
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!!! error TS2532: Object is possibly 'undefined'.
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}
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}
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function f16(o: Thing | undefined) {
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if (o?.foo === undefined) {
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o.foo; // Error
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@ -687,4 +739,29 @@ tests/cases/conformance/controlFlow/controlFlowOptionalChain.ts(491,13): error T
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}
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return f.geometry.coordinates;
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}
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// Repro from #35842
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interface SomeObject {
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someProperty: unknown;
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}
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let lastSomeProperty: unknown | undefined;
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function someFunction(someOptionalObject: SomeObject | undefined): void {
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if (someOptionalObject?.someProperty !== lastSomeProperty) {
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console.log(someOptionalObject);
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console.log(someOptionalObject.someProperty); // Error
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~~~~~~~~~~~~~~~~~~
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!!! error TS2532: Object is possibly 'undefined'.
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lastSomeProperty = someOptionalObject?.someProperty;
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}
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}
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const someObject: SomeObject = {
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someProperty: 42
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};
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someFunction(someObject);
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someFunction(undefined);
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@ -327,6 +327,33 @@ function f15(o: Thing | undefined, value: number) {
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}
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}
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function f15a(o: Thing | undefined, value: unknown) {
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if (o?.foo === value) {
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o.foo; // Error
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}
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else {
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o.foo; // Error
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}
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if (o?.foo !== value) {
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o.foo; // Error
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}
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else {
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o.foo; // Error
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}
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if (o?.foo == value) {
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o.foo; // Error
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}
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else {
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o.foo; // Error
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}
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if (o?.foo != value) {
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o.foo; // Error
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}
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else {
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o.foo; // Error
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}
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}
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function f16(o: Thing | undefined) {
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if (o?.foo === undefined) {
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o.foo; // Error
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@ -526,6 +553,29 @@ function extractCoordinates(f: Feature): number[] {
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}
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return f.geometry.coordinates;
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}
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// Repro from #35842
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interface SomeObject {
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someProperty: unknown;
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}
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let lastSomeProperty: unknown | undefined;
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function someFunction(someOptionalObject: SomeObject | undefined): void {
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if (someOptionalObject?.someProperty !== lastSomeProperty) {
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console.log(someOptionalObject);
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console.log(someOptionalObject.someProperty); // Error
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lastSomeProperty = someOptionalObject?.someProperty;
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}
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}
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const someObject: SomeObject = {
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someProperty: 42
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};
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someFunction(someObject);
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someFunction(undefined);
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//// [controlFlowOptionalChain.js]
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@ -809,6 +859,32 @@ function f15(o, value) {
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o.foo;
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}
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}
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function f15a(o, value) {
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if ((o === null || o === void 0 ? void 0 : o.foo) === value) {
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o.foo; // Error
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}
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else {
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o.foo; // Error
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}
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if ((o === null || o === void 0 ? void 0 : o.foo) !== value) {
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o.foo; // Error
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}
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else {
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o.foo; // Error
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}
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if ((o === null || o === void 0 ? void 0 : o.foo) == value) {
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o.foo; // Error
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}
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else {
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o.foo; // Error
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}
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if ((o === null || o === void 0 ? void 0 : o.foo) != value) {
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o.foo; // Error
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}
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else {
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o.foo; // Error
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}
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}
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function f16(o) {
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if ((o === null || o === void 0 ? void 0 : o.foo) === undefined) {
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o.foo; // Error
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@ -982,3 +1058,16 @@ function extractCoordinates(f) {
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}
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return f.geometry.coordinates;
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}
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var lastSomeProperty;
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function someFunction(someOptionalObject) {
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if ((someOptionalObject === null || someOptionalObject === void 0 ? void 0 : someOptionalObject.someProperty) !== lastSomeProperty) {
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console.log(someOptionalObject);
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console.log(someOptionalObject.someProperty); // Error
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lastSomeProperty = someOptionalObject === null || someOptionalObject === void 0 ? void 0 : someOptionalObject.someProperty;
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}
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}
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var someObject = {
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someProperty: 42
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};
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someFunction(someObject);
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someFunction(undefined);
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@ -1115,403 +1115,479 @@ function f15(o: Thing | undefined, value: number) {
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}
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}
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function f15a(o: Thing | undefined, value: unknown) {
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>f15a : Symbol(f15a, Decl(controlFlowOptionalChain.ts, 326, 1))
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>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 328, 14))
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>Thing : Symbol(Thing, Decl(controlFlowOptionalChain.ts, 159, 1))
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>value : Symbol(value, Decl(controlFlowOptionalChain.ts, 328, 35))
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if (o?.foo === value) {
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>o?.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
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>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 328, 14))
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>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
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>value : Symbol(value, Decl(controlFlowOptionalChain.ts, 328, 35))
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o.foo; // Error
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>o.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
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>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 328, 14))
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>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
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}
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else {
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o.foo; // Error
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>o.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
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>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 328, 14))
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>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
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}
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if (o?.foo !== value) {
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>o?.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
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>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 328, 14))
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>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
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>value : Symbol(value, Decl(controlFlowOptionalChain.ts, 328, 35))
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o.foo; // Error
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>o.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
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>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 328, 14))
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>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
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}
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else {
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o.foo; // Error
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>o.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
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>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 328, 14))
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>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
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}
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if (o?.foo == value) {
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>o?.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
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>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 328, 14))
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>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
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>value : Symbol(value, Decl(controlFlowOptionalChain.ts, 328, 35))
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o.foo; // Error
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>o.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
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>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 328, 14))
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>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
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}
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else {
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o.foo; // Error
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>o.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
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>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 328, 14))
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>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
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}
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if (o?.foo != value) {
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>o?.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
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>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 328, 14))
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>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
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>value : Symbol(value, Decl(controlFlowOptionalChain.ts, 328, 35))
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o.foo; // Error
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>o.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
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>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 328, 14))
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>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
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}
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else {
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o.foo; // Error
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>o.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
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>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 328, 14))
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>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
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}
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}
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function f16(o: Thing | undefined) {
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>f16 : Symbol(f16, Decl(controlFlowOptionalChain.ts, 326, 1))
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>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 328, 13))
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>f16 : Symbol(f16, Decl(controlFlowOptionalChain.ts, 353, 1))
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>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 355, 13))
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>Thing : Symbol(Thing, Decl(controlFlowOptionalChain.ts, 159, 1))
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if (o?.foo === undefined) {
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>o?.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
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>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 328, 13))
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>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 355, 13))
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>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
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>undefined : Symbol(undefined)
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o.foo; // Error
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>o.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
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>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 328, 13))
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>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 355, 13))
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>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
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}
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else {
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o.foo;
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>o.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
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>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 328, 13))
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>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 355, 13))
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>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
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}
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if (o?.foo !== undefined) {
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>o?.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
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>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 328, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 355, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>undefined : Symbol(undefined)
|
||||
|
||||
o.foo;
|
||||
>o.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 328, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 355, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
}
|
||||
else {
|
||||
o.foo; // Error
|
||||
>o.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 328, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 355, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
}
|
||||
if (o?.foo == undefined) {
|
||||
>o?.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 328, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 355, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>undefined : Symbol(undefined)
|
||||
|
||||
o.foo; // Error
|
||||
>o.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 328, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 355, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
}
|
||||
else {
|
||||
o.foo;
|
||||
>o.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 328, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 355, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
}
|
||||
if (o?.foo != undefined) {
|
||||
>o?.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 328, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 355, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>undefined : Symbol(undefined)
|
||||
|
||||
o.foo;
|
||||
>o.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 328, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 355, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
}
|
||||
else {
|
||||
o.foo; // Error
|
||||
>o.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 328, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 355, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
}
|
||||
}
|
||||
|
||||
function f20(o: Thing | undefined) {
|
||||
>f20 : Symbol(f20, Decl(controlFlowOptionalChain.ts, 353, 1))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 355, 13))
|
||||
>f20 : Symbol(f20, Decl(controlFlowOptionalChain.ts, 380, 1))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 382, 13))
|
||||
>Thing : Symbol(Thing, Decl(controlFlowOptionalChain.ts, 159, 1))
|
||||
|
||||
if (typeof o?.foo === "number") {
|
||||
>o?.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 355, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 382, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
|
||||
o.foo;
|
||||
>o.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 355, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 382, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
}
|
||||
if (typeof o?.["foo"] === "number") {
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 355, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 382, 13))
|
||||
|
||||
o["foo"];
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 355, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 382, 13))
|
||||
>"foo" : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
}
|
||||
if (typeof o?.bar() === "number") {
|
||||
>o?.bar : Symbol(bar, Decl(controlFlowOptionalChain.ts, 161, 36))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 355, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 382, 13))
|
||||
>bar : Symbol(bar, Decl(controlFlowOptionalChain.ts, 161, 36))
|
||||
|
||||
o.bar;
|
||||
>o.bar : Symbol(bar, Decl(controlFlowOptionalChain.ts, 161, 36))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 355, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 382, 13))
|
||||
>bar : Symbol(bar, Decl(controlFlowOptionalChain.ts, 161, 36))
|
||||
}
|
||||
if (o?.baz instanceof Error) {
|
||||
>o?.baz : Symbol(baz, Decl(controlFlowOptionalChain.ts, 161, 51))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 355, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 382, 13))
|
||||
>baz : Symbol(baz, Decl(controlFlowOptionalChain.ts, 161, 51))
|
||||
>Error : Symbol(Error, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
|
||||
|
||||
o.baz;
|
||||
>o.baz : Symbol(baz, Decl(controlFlowOptionalChain.ts, 161, 51))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 355, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 382, 13))
|
||||
>baz : Symbol(baz, Decl(controlFlowOptionalChain.ts, 161, 51))
|
||||
}
|
||||
}
|
||||
|
||||
function f21(o: Thing | null) {
|
||||
>f21 : Symbol(f21, Decl(controlFlowOptionalChain.ts, 368, 1))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 370, 13))
|
||||
>f21 : Symbol(f21, Decl(controlFlowOptionalChain.ts, 395, 1))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 397, 13))
|
||||
>Thing : Symbol(Thing, Decl(controlFlowOptionalChain.ts, 159, 1))
|
||||
|
||||
if (typeof o?.foo === "number") {
|
||||
>o?.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 370, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 397, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
|
||||
o.foo;
|
||||
>o.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 370, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 397, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
}
|
||||
if (typeof o?.["foo"] === "number") {
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 370, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 397, 13))
|
||||
|
||||
o["foo"];
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 370, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 397, 13))
|
||||
>"foo" : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
}
|
||||
if (typeof o?.bar() === "number") {
|
||||
>o?.bar : Symbol(bar, Decl(controlFlowOptionalChain.ts, 161, 36))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 370, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 397, 13))
|
||||
>bar : Symbol(bar, Decl(controlFlowOptionalChain.ts, 161, 36))
|
||||
|
||||
o.bar;
|
||||
>o.bar : Symbol(bar, Decl(controlFlowOptionalChain.ts, 161, 36))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 370, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 397, 13))
|
||||
>bar : Symbol(bar, Decl(controlFlowOptionalChain.ts, 161, 36))
|
||||
}
|
||||
if (o?.baz instanceof Error) {
|
||||
>o?.baz : Symbol(baz, Decl(controlFlowOptionalChain.ts, 161, 51))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 370, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 397, 13))
|
||||
>baz : Symbol(baz, Decl(controlFlowOptionalChain.ts, 161, 51))
|
||||
>Error : Symbol(Error, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
|
||||
|
||||
o.baz;
|
||||
>o.baz : Symbol(baz, Decl(controlFlowOptionalChain.ts, 161, 51))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 370, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 397, 13))
|
||||
>baz : Symbol(baz, Decl(controlFlowOptionalChain.ts, 161, 51))
|
||||
}
|
||||
}
|
||||
|
||||
function f22(o: Thing | undefined) {
|
||||
>f22 : Symbol(f22, Decl(controlFlowOptionalChain.ts, 383, 1))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 385, 13))
|
||||
>f22 : Symbol(f22, Decl(controlFlowOptionalChain.ts, 410, 1))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 412, 13))
|
||||
>Thing : Symbol(Thing, Decl(controlFlowOptionalChain.ts, 159, 1))
|
||||
|
||||
if (typeof o?.foo === "number") {
|
||||
>o?.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 385, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 412, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
|
||||
o.foo;
|
||||
>o.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 385, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 412, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
}
|
||||
else {
|
||||
o.foo; // Error
|
||||
>o.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 385, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 412, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
}
|
||||
if (typeof o?.foo !== "number") {
|
||||
>o?.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 385, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 412, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
|
||||
o.foo; // Error
|
||||
>o.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 385, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 412, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
}
|
||||
else {
|
||||
o.foo;
|
||||
>o.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 385, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 412, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
}
|
||||
if (typeof o?.foo == "number") {
|
||||
>o?.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 385, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 412, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
|
||||
o.foo;
|
||||
>o.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 385, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 412, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
}
|
||||
else {
|
||||
o.foo; // Error
|
||||
>o.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 385, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 412, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
}
|
||||
if (typeof o?.foo != "number") {
|
||||
>o?.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 385, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 412, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
|
||||
o.foo; // Error
|
||||
>o.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 385, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 412, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
}
|
||||
else {
|
||||
o.foo;
|
||||
>o.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 385, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 412, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
}
|
||||
}
|
||||
|
||||
function f23(o: Thing | undefined) {
|
||||
>f23 : Symbol(f23, Decl(controlFlowOptionalChain.ts, 410, 1))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 412, 13))
|
||||
>f23 : Symbol(f23, Decl(controlFlowOptionalChain.ts, 437, 1))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 439, 13))
|
||||
>Thing : Symbol(Thing, Decl(controlFlowOptionalChain.ts, 159, 1))
|
||||
|
||||
if (typeof o?.foo === "undefined") {
|
||||
>o?.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 412, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 439, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
|
||||
o.foo; // Error
|
||||
>o.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 412, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 439, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
}
|
||||
else {
|
||||
o.foo;
|
||||
>o.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 412, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 439, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
}
|
||||
if (typeof o?.foo !== "undefined") {
|
||||
>o?.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 412, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 439, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
|
||||
o.foo;
|
||||
>o.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 412, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 439, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
}
|
||||
else {
|
||||
o.foo; // Error
|
||||
>o.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 412, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 439, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
}
|
||||
if (typeof o?.foo == "undefined") {
|
||||
>o?.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 412, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 439, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
|
||||
o.foo; // Error
|
||||
>o.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 412, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 439, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
}
|
||||
else {
|
||||
o.foo;
|
||||
>o.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 412, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 439, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
}
|
||||
if (typeof o?.foo != "undefined") {
|
||||
>o?.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 412, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 439, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
|
||||
o.foo;
|
||||
>o.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 412, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 439, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
}
|
||||
else {
|
||||
o.foo; // Error
|
||||
>o.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 412, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 439, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
}
|
||||
}
|
||||
|
||||
declare function assert(x: unknown): asserts x;
|
||||
>assert : Symbol(assert, Decl(controlFlowOptionalChain.ts, 437, 1))
|
||||
>x : Symbol(x, Decl(controlFlowOptionalChain.ts, 439, 24))
|
||||
>x : Symbol(x, Decl(controlFlowOptionalChain.ts, 439, 24))
|
||||
>assert : Symbol(assert, Decl(controlFlowOptionalChain.ts, 464, 1))
|
||||
>x : Symbol(x, Decl(controlFlowOptionalChain.ts, 466, 24))
|
||||
>x : Symbol(x, Decl(controlFlowOptionalChain.ts, 466, 24))
|
||||
|
||||
declare function assertNonNull<T>(x: T): asserts x is NonNullable<T>;
|
||||
>assertNonNull : Symbol(assertNonNull, Decl(controlFlowOptionalChain.ts, 439, 47))
|
||||
>T : Symbol(T, Decl(controlFlowOptionalChain.ts, 440, 31))
|
||||
>x : Symbol(x, Decl(controlFlowOptionalChain.ts, 440, 34))
|
||||
>T : Symbol(T, Decl(controlFlowOptionalChain.ts, 440, 31))
|
||||
>x : Symbol(x, Decl(controlFlowOptionalChain.ts, 440, 34))
|
||||
>assertNonNull : Symbol(assertNonNull, Decl(controlFlowOptionalChain.ts, 466, 47))
|
||||
>T : Symbol(T, Decl(controlFlowOptionalChain.ts, 467, 31))
|
||||
>x : Symbol(x, Decl(controlFlowOptionalChain.ts, 467, 34))
|
||||
>T : Symbol(T, Decl(controlFlowOptionalChain.ts, 467, 31))
|
||||
>x : Symbol(x, Decl(controlFlowOptionalChain.ts, 467, 34))
|
||||
>NonNullable : Symbol(NonNullable, Decl(lib.es5.d.ts, --, --))
|
||||
>T : Symbol(T, Decl(controlFlowOptionalChain.ts, 440, 31))
|
||||
>T : Symbol(T, Decl(controlFlowOptionalChain.ts, 467, 31))
|
||||
|
||||
function f30(o: Thing | undefined) {
|
||||
>f30 : Symbol(f30, Decl(controlFlowOptionalChain.ts, 440, 69))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 442, 13))
|
||||
>f30 : Symbol(f30, Decl(controlFlowOptionalChain.ts, 467, 69))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 469, 13))
|
||||
>Thing : Symbol(Thing, Decl(controlFlowOptionalChain.ts, 159, 1))
|
||||
|
||||
if (!!true) {
|
||||
assert(o?.foo);
|
||||
>assert : Symbol(assert, Decl(controlFlowOptionalChain.ts, 437, 1))
|
||||
>assert : Symbol(assert, Decl(controlFlowOptionalChain.ts, 464, 1))
|
||||
>o?.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 442, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 469, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
|
||||
o.foo;
|
||||
>o.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 442, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 469, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
}
|
||||
if (!!true) {
|
||||
assert(o?.foo === 42);
|
||||
>assert : Symbol(assert, Decl(controlFlowOptionalChain.ts, 437, 1))
|
||||
>assert : Symbol(assert, Decl(controlFlowOptionalChain.ts, 464, 1))
|
||||
>o?.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 442, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 469, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
|
||||
o.foo;
|
||||
>o.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 442, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 469, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
}
|
||||
if (!!true) {
|
||||
assert(typeof o?.foo === "number");
|
||||
>assert : Symbol(assert, Decl(controlFlowOptionalChain.ts, 437, 1))
|
||||
>assert : Symbol(assert, Decl(controlFlowOptionalChain.ts, 464, 1))
|
||||
>o?.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 442, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 469, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
|
||||
o.foo;
|
||||
>o.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 442, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 469, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
}
|
||||
if (!!true) {
|
||||
assertNonNull(o?.foo);
|
||||
>assertNonNull : Symbol(assertNonNull, Decl(controlFlowOptionalChain.ts, 439, 47))
|
||||
>assertNonNull : Symbol(assertNonNull, Decl(controlFlowOptionalChain.ts, 466, 47))
|
||||
>o?.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 442, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 469, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
|
||||
o.foo;
|
||||
>o.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 442, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 469, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
}
|
||||
}
|
||||
|
||||
function f40(o: Thing | undefined) {
|
||||
>f40 : Symbol(f40, Decl(controlFlowOptionalChain.ts, 459, 1))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 461, 13))
|
||||
>f40 : Symbol(f40, Decl(controlFlowOptionalChain.ts, 486, 1))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 488, 13))
|
||||
>Thing : Symbol(Thing, Decl(controlFlowOptionalChain.ts, 159, 1))
|
||||
|
||||
switch (o?.foo) {
|
||||
>o?.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 461, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 488, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
|
||||
case "abc":
|
||||
o.foo;
|
||||
>o.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 461, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 488, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
|
||||
break;
|
||||
case 42:
|
||||
o.foo;
|
||||
>o.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 461, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 488, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
|
||||
break;
|
||||
@ -1520,14 +1596,14 @@ function f40(o: Thing | undefined) {
|
||||
|
||||
o.foo; // Error
|
||||
>o.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 461, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 488, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
|
||||
break;
|
||||
default:
|
||||
o.foo; // Error
|
||||
>o.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 461, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 488, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
|
||||
break;
|
||||
@ -1535,40 +1611,40 @@ function f40(o: Thing | undefined) {
|
||||
}
|
||||
|
||||
function f41(o: Thing | undefined) {
|
||||
>f41 : Symbol(f41, Decl(controlFlowOptionalChain.ts, 476, 1))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 478, 13))
|
||||
>f41 : Symbol(f41, Decl(controlFlowOptionalChain.ts, 503, 1))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 505, 13))
|
||||
>Thing : Symbol(Thing, Decl(controlFlowOptionalChain.ts, 159, 1))
|
||||
|
||||
switch (typeof o?.foo) {
|
||||
>o?.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 478, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 505, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
|
||||
case "string":
|
||||
o.foo;
|
||||
>o.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 478, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 505, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
|
||||
break;
|
||||
case "number":
|
||||
o.foo;
|
||||
>o.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 478, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 505, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
|
||||
break;
|
||||
case "undefined":
|
||||
o.foo; // Error
|
||||
>o.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 478, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 505, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
|
||||
break;
|
||||
default:
|
||||
o.foo; // Error
|
||||
>o.foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 478, 13))
|
||||
>o : Symbol(o, Decl(controlFlowOptionalChain.ts, 505, 13))
|
||||
>foo : Symbol(foo, Decl(controlFlowOptionalChain.ts, 161, 14))
|
||||
|
||||
break;
|
||||
@ -1578,44 +1654,44 @@ function f41(o: Thing | undefined) {
|
||||
// Repros from #34570
|
||||
|
||||
type Shape =
|
||||
>Shape : Symbol(Shape, Decl(controlFlowOptionalChain.ts, 493, 1))
|
||||
>Shape : Symbol(Shape, Decl(controlFlowOptionalChain.ts, 520, 1))
|
||||
|
||||
| { type: 'rectangle', width: number, height: number }
|
||||
>type : Symbol(type, Decl(controlFlowOptionalChain.ts, 498, 7))
|
||||
>width : Symbol(width, Decl(controlFlowOptionalChain.ts, 498, 26))
|
||||
>height : Symbol(height, Decl(controlFlowOptionalChain.ts, 498, 41))
|
||||
>type : Symbol(type, Decl(controlFlowOptionalChain.ts, 525, 7))
|
||||
>width : Symbol(width, Decl(controlFlowOptionalChain.ts, 525, 26))
|
||||
>height : Symbol(height, Decl(controlFlowOptionalChain.ts, 525, 41))
|
||||
|
||||
| { type: 'circle', radius: number }
|
||||
>type : Symbol(type, Decl(controlFlowOptionalChain.ts, 499, 7))
|
||||
>radius : Symbol(radius, Decl(controlFlowOptionalChain.ts, 499, 23))
|
||||
>type : Symbol(type, Decl(controlFlowOptionalChain.ts, 526, 7))
|
||||
>radius : Symbol(radius, Decl(controlFlowOptionalChain.ts, 526, 23))
|
||||
|
||||
function getArea(shape?: Shape) {
|
||||
>getArea : Symbol(getArea, Decl(controlFlowOptionalChain.ts, 499, 40))
|
||||
>shape : Symbol(shape, Decl(controlFlowOptionalChain.ts, 501, 17))
|
||||
>Shape : Symbol(Shape, Decl(controlFlowOptionalChain.ts, 493, 1))
|
||||
>getArea : Symbol(getArea, Decl(controlFlowOptionalChain.ts, 526, 40))
|
||||
>shape : Symbol(shape, Decl(controlFlowOptionalChain.ts, 528, 17))
|
||||
>Shape : Symbol(Shape, Decl(controlFlowOptionalChain.ts, 520, 1))
|
||||
|
||||
switch (shape?.type) {
|
||||
>shape?.type : Symbol(type, Decl(controlFlowOptionalChain.ts, 498, 7), Decl(controlFlowOptionalChain.ts, 499, 7))
|
||||
>shape : Symbol(shape, Decl(controlFlowOptionalChain.ts, 501, 17))
|
||||
>type : Symbol(type, Decl(controlFlowOptionalChain.ts, 498, 7), Decl(controlFlowOptionalChain.ts, 499, 7))
|
||||
>shape?.type : Symbol(type, Decl(controlFlowOptionalChain.ts, 525, 7), Decl(controlFlowOptionalChain.ts, 526, 7))
|
||||
>shape : Symbol(shape, Decl(controlFlowOptionalChain.ts, 528, 17))
|
||||
>type : Symbol(type, Decl(controlFlowOptionalChain.ts, 525, 7), Decl(controlFlowOptionalChain.ts, 526, 7))
|
||||
|
||||
case 'circle':
|
||||
return Math.PI * shape.radius ** 2
|
||||
>Math.PI : Symbol(Math.PI, Decl(lib.es5.d.ts, --, --))
|
||||
>Math : Symbol(Math, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
|
||||
>PI : Symbol(Math.PI, Decl(lib.es5.d.ts, --, --))
|
||||
>shape.radius : Symbol(radius, Decl(controlFlowOptionalChain.ts, 499, 23))
|
||||
>shape : Symbol(shape, Decl(controlFlowOptionalChain.ts, 501, 17))
|
||||
>radius : Symbol(radius, Decl(controlFlowOptionalChain.ts, 499, 23))
|
||||
>shape.radius : Symbol(radius, Decl(controlFlowOptionalChain.ts, 526, 23))
|
||||
>shape : Symbol(shape, Decl(controlFlowOptionalChain.ts, 528, 17))
|
||||
>radius : Symbol(radius, Decl(controlFlowOptionalChain.ts, 526, 23))
|
||||
|
||||
case 'rectangle':
|
||||
return shape.width * shape.height
|
||||
>shape.width : Symbol(width, Decl(controlFlowOptionalChain.ts, 498, 26))
|
||||
>shape : Symbol(shape, Decl(controlFlowOptionalChain.ts, 501, 17))
|
||||
>width : Symbol(width, Decl(controlFlowOptionalChain.ts, 498, 26))
|
||||
>shape.height : Symbol(height, Decl(controlFlowOptionalChain.ts, 498, 41))
|
||||
>shape : Symbol(shape, Decl(controlFlowOptionalChain.ts, 501, 17))
|
||||
>height : Symbol(height, Decl(controlFlowOptionalChain.ts, 498, 41))
|
||||
>shape.width : Symbol(width, Decl(controlFlowOptionalChain.ts, 525, 26))
|
||||
>shape : Symbol(shape, Decl(controlFlowOptionalChain.ts, 528, 17))
|
||||
>width : Symbol(width, Decl(controlFlowOptionalChain.ts, 525, 26))
|
||||
>shape.height : Symbol(height, Decl(controlFlowOptionalChain.ts, 525, 41))
|
||||
>shape : Symbol(shape, Decl(controlFlowOptionalChain.ts, 528, 17))
|
||||
>height : Symbol(height, Decl(controlFlowOptionalChain.ts, 525, 41))
|
||||
|
||||
default:
|
||||
return 0
|
||||
@ -1623,43 +1699,105 @@ function getArea(shape?: Shape) {
|
||||
}
|
||||
|
||||
type Feature = {
|
||||
>Feature : Symbol(Feature, Decl(controlFlowOptionalChain.ts, 510, 1))
|
||||
>Feature : Symbol(Feature, Decl(controlFlowOptionalChain.ts, 537, 1))
|
||||
|
||||
id: string;
|
||||
>id : Symbol(id, Decl(controlFlowOptionalChain.ts, 512, 16))
|
||||
>id : Symbol(id, Decl(controlFlowOptionalChain.ts, 539, 16))
|
||||
|
||||
geometry?: {
|
||||
>geometry : Symbol(geometry, Decl(controlFlowOptionalChain.ts, 513, 13))
|
||||
>geometry : Symbol(geometry, Decl(controlFlowOptionalChain.ts, 540, 13))
|
||||
|
||||
type: string;
|
||||
>type : Symbol(type, Decl(controlFlowOptionalChain.ts, 514, 14))
|
||||
>type : Symbol(type, Decl(controlFlowOptionalChain.ts, 541, 14))
|
||||
|
||||
coordinates: number[];
|
||||
>coordinates : Symbol(coordinates, Decl(controlFlowOptionalChain.ts, 515, 17))
|
||||
>coordinates : Symbol(coordinates, Decl(controlFlowOptionalChain.ts, 542, 17))
|
||||
|
||||
};
|
||||
};
|
||||
|
||||
|
||||
function extractCoordinates(f: Feature): number[] {
|
||||
>extractCoordinates : Symbol(extractCoordinates, Decl(controlFlowOptionalChain.ts, 518, 2))
|
||||
>f : Symbol(f, Decl(controlFlowOptionalChain.ts, 521, 28))
|
||||
>Feature : Symbol(Feature, Decl(controlFlowOptionalChain.ts, 510, 1))
|
||||
>extractCoordinates : Symbol(extractCoordinates, Decl(controlFlowOptionalChain.ts, 545, 2))
|
||||
>f : Symbol(f, Decl(controlFlowOptionalChain.ts, 548, 28))
|
||||
>Feature : Symbol(Feature, Decl(controlFlowOptionalChain.ts, 537, 1))
|
||||
|
||||
if (f.geometry?.type !== 'test') {
|
||||
>f.geometry?.type : Symbol(type, Decl(controlFlowOptionalChain.ts, 514, 14))
|
||||
>f.geometry : Symbol(geometry, Decl(controlFlowOptionalChain.ts, 513, 13))
|
||||
>f : Symbol(f, Decl(controlFlowOptionalChain.ts, 521, 28))
|
||||
>geometry : Symbol(geometry, Decl(controlFlowOptionalChain.ts, 513, 13))
|
||||
>type : Symbol(type, Decl(controlFlowOptionalChain.ts, 514, 14))
|
||||
>f.geometry?.type : Symbol(type, Decl(controlFlowOptionalChain.ts, 541, 14))
|
||||
>f.geometry : Symbol(geometry, Decl(controlFlowOptionalChain.ts, 540, 13))
|
||||
>f : Symbol(f, Decl(controlFlowOptionalChain.ts, 548, 28))
|
||||
>geometry : Symbol(geometry, Decl(controlFlowOptionalChain.ts, 540, 13))
|
||||
>type : Symbol(type, Decl(controlFlowOptionalChain.ts, 541, 14))
|
||||
|
||||
return [];
|
||||
}
|
||||
return f.geometry.coordinates;
|
||||
>f.geometry.coordinates : Symbol(coordinates, Decl(controlFlowOptionalChain.ts, 515, 17))
|
||||
>f.geometry : Symbol(geometry, Decl(controlFlowOptionalChain.ts, 513, 13))
|
||||
>f : Symbol(f, Decl(controlFlowOptionalChain.ts, 521, 28))
|
||||
>geometry : Symbol(geometry, Decl(controlFlowOptionalChain.ts, 513, 13))
|
||||
>coordinates : Symbol(coordinates, Decl(controlFlowOptionalChain.ts, 515, 17))
|
||||
>f.geometry.coordinates : Symbol(coordinates, Decl(controlFlowOptionalChain.ts, 542, 17))
|
||||
>f.geometry : Symbol(geometry, Decl(controlFlowOptionalChain.ts, 540, 13))
|
||||
>f : Symbol(f, Decl(controlFlowOptionalChain.ts, 548, 28))
|
||||
>geometry : Symbol(geometry, Decl(controlFlowOptionalChain.ts, 540, 13))
|
||||
>coordinates : Symbol(coordinates, Decl(controlFlowOptionalChain.ts, 542, 17))
|
||||
}
|
||||
|
||||
// Repro from #35842
|
||||
|
||||
interface SomeObject {
|
||||
>SomeObject : Symbol(SomeObject, Decl(controlFlowOptionalChain.ts, 553, 1))
|
||||
|
||||
someProperty: unknown;
|
||||
>someProperty : Symbol(SomeObject.someProperty, Decl(controlFlowOptionalChain.ts, 557, 22))
|
||||
}
|
||||
|
||||
let lastSomeProperty: unknown | undefined;
|
||||
>lastSomeProperty : Symbol(lastSomeProperty, Decl(controlFlowOptionalChain.ts, 561, 3))
|
||||
|
||||
function someFunction(someOptionalObject: SomeObject | undefined): void {
|
||||
>someFunction : Symbol(someFunction, Decl(controlFlowOptionalChain.ts, 561, 42))
|
||||
>someOptionalObject : Symbol(someOptionalObject, Decl(controlFlowOptionalChain.ts, 563, 22))
|
||||
>SomeObject : Symbol(SomeObject, Decl(controlFlowOptionalChain.ts, 553, 1))
|
||||
|
||||
if (someOptionalObject?.someProperty !== lastSomeProperty) {
|
||||
>someOptionalObject?.someProperty : Symbol(SomeObject.someProperty, Decl(controlFlowOptionalChain.ts, 557, 22))
|
||||
>someOptionalObject : Symbol(someOptionalObject, Decl(controlFlowOptionalChain.ts, 563, 22))
|
||||
>someProperty : Symbol(SomeObject.someProperty, Decl(controlFlowOptionalChain.ts, 557, 22))
|
||||
>lastSomeProperty : Symbol(lastSomeProperty, Decl(controlFlowOptionalChain.ts, 561, 3))
|
||||
|
||||
console.log(someOptionalObject);
|
||||
>console.log : Symbol(Console.log, Decl(lib.dom.d.ts, --, --))
|
||||
>console : Symbol(console, Decl(lib.dom.d.ts, --, --))
|
||||
>log : Symbol(Console.log, Decl(lib.dom.d.ts, --, --))
|
||||
>someOptionalObject : Symbol(someOptionalObject, Decl(controlFlowOptionalChain.ts, 563, 22))
|
||||
|
||||
console.log(someOptionalObject.someProperty); // Error
|
||||
>console.log : Symbol(Console.log, Decl(lib.dom.d.ts, --, --))
|
||||
>console : Symbol(console, Decl(lib.dom.d.ts, --, --))
|
||||
>log : Symbol(Console.log, Decl(lib.dom.d.ts, --, --))
|
||||
>someOptionalObject.someProperty : Symbol(SomeObject.someProperty, Decl(controlFlowOptionalChain.ts, 557, 22))
|
||||
>someOptionalObject : Symbol(someOptionalObject, Decl(controlFlowOptionalChain.ts, 563, 22))
|
||||
>someProperty : Symbol(SomeObject.someProperty, Decl(controlFlowOptionalChain.ts, 557, 22))
|
||||
|
||||
lastSomeProperty = someOptionalObject?.someProperty;
|
||||
>lastSomeProperty : Symbol(lastSomeProperty, Decl(controlFlowOptionalChain.ts, 561, 3))
|
||||
>someOptionalObject?.someProperty : Symbol(SomeObject.someProperty, Decl(controlFlowOptionalChain.ts, 557, 22))
|
||||
>someOptionalObject : Symbol(someOptionalObject, Decl(controlFlowOptionalChain.ts, 563, 22))
|
||||
>someProperty : Symbol(SomeObject.someProperty, Decl(controlFlowOptionalChain.ts, 557, 22))
|
||||
}
|
||||
}
|
||||
|
||||
const someObject: SomeObject = {
|
||||
>someObject : Symbol(someObject, Decl(controlFlowOptionalChain.ts, 571, 5))
|
||||
>SomeObject : Symbol(SomeObject, Decl(controlFlowOptionalChain.ts, 553, 1))
|
||||
|
||||
someProperty: 42
|
||||
>someProperty : Symbol(someProperty, Decl(controlFlowOptionalChain.ts, 571, 32))
|
||||
|
||||
};
|
||||
|
||||
someFunction(someObject);
|
||||
>someFunction : Symbol(someFunction, Decl(controlFlowOptionalChain.ts, 561, 42))
|
||||
>someObject : Symbol(someObject, Decl(controlFlowOptionalChain.ts, 571, 5))
|
||||
|
||||
someFunction(undefined);
|
||||
>someFunction : Symbol(someFunction, Decl(controlFlowOptionalChain.ts, 561, 42))
|
||||
>undefined : Symbol(undefined)
|
||||
|
||||
|
||||
@ -1249,6 +1249,85 @@ function f15(o: Thing | undefined, value: number) {
|
||||
}
|
||||
}
|
||||
|
||||
function f15a(o: Thing | undefined, value: unknown) {
|
||||
>f15a : (o: Thing | undefined, value: unknown) => void
|
||||
>o : Thing | undefined
|
||||
>value : unknown
|
||||
|
||||
if (o?.foo === value) {
|
||||
>o?.foo === value : boolean
|
||||
>o?.foo : string | number | undefined
|
||||
>o : Thing | undefined
|
||||
>foo : string | number | undefined
|
||||
>value : unknown
|
||||
|
||||
o.foo; // Error
|
||||
>o.foo : string | number
|
||||
>o : Thing | undefined
|
||||
>foo : string | number
|
||||
}
|
||||
else {
|
||||
o.foo; // Error
|
||||
>o.foo : string | number
|
||||
>o : Thing | undefined
|
||||
>foo : string | number
|
||||
}
|
||||
if (o?.foo !== value) {
|
||||
>o?.foo !== value : boolean
|
||||
>o?.foo : string | number | undefined
|
||||
>o : Thing | undefined
|
||||
>foo : string | number | undefined
|
||||
>value : unknown
|
||||
|
||||
o.foo; // Error
|
||||
>o.foo : string | number
|
||||
>o : Thing | undefined
|
||||
>foo : string | number
|
||||
}
|
||||
else {
|
||||
o.foo; // Error
|
||||
>o.foo : string | number
|
||||
>o : Thing | undefined
|
||||
>foo : string | number
|
||||
}
|
||||
if (o?.foo == value) {
|
||||
>o?.foo == value : boolean
|
||||
>o?.foo : string | number | undefined
|
||||
>o : Thing | undefined
|
||||
>foo : string | number | undefined
|
||||
>value : unknown
|
||||
|
||||
o.foo; // Error
|
||||
>o.foo : string | number
|
||||
>o : Thing | undefined
|
||||
>foo : string | number
|
||||
}
|
||||
else {
|
||||
o.foo; // Error
|
||||
>o.foo : string | number
|
||||
>o : Thing | undefined
|
||||
>foo : string | number
|
||||
}
|
||||
if (o?.foo != value) {
|
||||
>o?.foo != value : boolean
|
||||
>o?.foo : string | number | undefined
|
||||
>o : Thing | undefined
|
||||
>foo : string | number | undefined
|
||||
>value : unknown
|
||||
|
||||
o.foo; // Error
|
||||
>o.foo : string | number
|
||||
>o : Thing | undefined
|
||||
>foo : string | number
|
||||
}
|
||||
else {
|
||||
o.foo; // Error
|
||||
>o.foo : string | number
|
||||
>o : Thing | undefined
|
||||
>foo : string | number
|
||||
}
|
||||
}
|
||||
|
||||
function f16(o: Thing | undefined) {
|
||||
>f16 : (o: Thing | undefined) => void
|
||||
>o : Thing | undefined
|
||||
@ -1886,3 +1965,69 @@ function extractCoordinates(f: Feature): number[] {
|
||||
>coordinates : number[]
|
||||
}
|
||||
|
||||
// Repro from #35842
|
||||
|
||||
interface SomeObject {
|
||||
someProperty: unknown;
|
||||
>someProperty : unknown
|
||||
}
|
||||
|
||||
let lastSomeProperty: unknown | undefined;
|
||||
>lastSomeProperty : unknown
|
||||
|
||||
function someFunction(someOptionalObject: SomeObject | undefined): void {
|
||||
>someFunction : (someOptionalObject: SomeObject | undefined) => void
|
||||
>someOptionalObject : SomeObject | undefined
|
||||
|
||||
if (someOptionalObject?.someProperty !== lastSomeProperty) {
|
||||
>someOptionalObject?.someProperty !== lastSomeProperty : boolean
|
||||
>someOptionalObject?.someProperty : unknown
|
||||
>someOptionalObject : SomeObject | undefined
|
||||
>someProperty : unknown
|
||||
>lastSomeProperty : unknown
|
||||
|
||||
console.log(someOptionalObject);
|
||||
>console.log(someOptionalObject) : void
|
||||
>console.log : (message?: any, ...optionalParams: any[]) => void
|
||||
>console : Console
|
||||
>log : (message?: any, ...optionalParams: any[]) => void
|
||||
>someOptionalObject : SomeObject | undefined
|
||||
|
||||
console.log(someOptionalObject.someProperty); // Error
|
||||
>console.log(someOptionalObject.someProperty) : void
|
||||
>console.log : (message?: any, ...optionalParams: any[]) => void
|
||||
>console : Console
|
||||
>log : (message?: any, ...optionalParams: any[]) => void
|
||||
>someOptionalObject.someProperty : unknown
|
||||
>someOptionalObject : SomeObject | undefined
|
||||
>someProperty : unknown
|
||||
|
||||
lastSomeProperty = someOptionalObject?.someProperty;
|
||||
>lastSomeProperty = someOptionalObject?.someProperty : unknown
|
||||
>lastSomeProperty : unknown
|
||||
>someOptionalObject?.someProperty : unknown
|
||||
>someOptionalObject : SomeObject | undefined
|
||||
>someProperty : unknown
|
||||
}
|
||||
}
|
||||
|
||||
const someObject: SomeObject = {
|
||||
>someObject : SomeObject
|
||||
>{ someProperty: 42} : { someProperty: number; }
|
||||
|
||||
someProperty: 42
|
||||
>someProperty : number
|
||||
>42 : 42
|
||||
|
||||
};
|
||||
|
||||
someFunction(someObject);
|
||||
>someFunction(someObject) : void
|
||||
>someFunction : (someOptionalObject: SomeObject | undefined) => void
|
||||
>someObject : SomeObject
|
||||
|
||||
someFunction(undefined);
|
||||
>someFunction(undefined) : void
|
||||
>someFunction : (someOptionalObject: SomeObject | undefined) => void
|
||||
>undefined : undefined
|
||||
|
||||
|
||||
@ -329,6 +329,33 @@ function f15(o: Thing | undefined, value: number) {
|
||||
}
|
||||
}
|
||||
|
||||
function f15a(o: Thing | undefined, value: unknown) {
|
||||
if (o?.foo === value) {
|
||||
o.foo; // Error
|
||||
}
|
||||
else {
|
||||
o.foo; // Error
|
||||
}
|
||||
if (o?.foo !== value) {
|
||||
o.foo; // Error
|
||||
}
|
||||
else {
|
||||
o.foo; // Error
|
||||
}
|
||||
if (o?.foo == value) {
|
||||
o.foo; // Error
|
||||
}
|
||||
else {
|
||||
o.foo; // Error
|
||||
}
|
||||
if (o?.foo != value) {
|
||||
o.foo; // Error
|
||||
}
|
||||
else {
|
||||
o.foo; // Error
|
||||
}
|
||||
}
|
||||
|
||||
function f16(o: Thing | undefined) {
|
||||
if (o?.foo === undefined) {
|
||||
o.foo; // Error
|
||||
@ -528,3 +555,26 @@ function extractCoordinates(f: Feature): number[] {
|
||||
}
|
||||
return f.geometry.coordinates;
|
||||
}
|
||||
|
||||
// Repro from #35842
|
||||
|
||||
interface SomeObject {
|
||||
someProperty: unknown;
|
||||
}
|
||||
|
||||
let lastSomeProperty: unknown | undefined;
|
||||
|
||||
function someFunction(someOptionalObject: SomeObject | undefined): void {
|
||||
if (someOptionalObject?.someProperty !== lastSomeProperty) {
|
||||
console.log(someOptionalObject);
|
||||
console.log(someOptionalObject.someProperty); // Error
|
||||
lastSomeProperty = someOptionalObject?.someProperty;
|
||||
}
|
||||
}
|
||||
|
||||
const someObject: SomeObject = {
|
||||
someProperty: 42
|
||||
};
|
||||
|
||||
someFunction(someObject);
|
||||
someFunction(undefined);
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user