6aeb8c12cc
* Create separate types for equivalent aliased unions * Accept new baselines * Preserve original types for union types * Accept new baselines * Preserve intersection origin for union types * Accept new baselines * Accept new baselines * Preserve aliases during relationship checks * Accept new baselines * Preserve aliases for intersection and indexed access types * Accept new baselines * Compute intersection-of-unions cross product without recursion * Accept new baselines * Use denormalized type objects for origin / support 'keyof' origins * Accept new baselines * Fix fourslash test * Recursively extract named union types * Accept new baselines * Map on union origin in mapType to better preserve aliases and origins * Remove redundant call * Accept new baselines * Revert back to declared type when branches produce equivalent union * Accept new baselines * Don't include denormal origin types in regular type statistics * Fix issue with unions not being marked primitive-only * Allow new alias to be associated with type alias instantiation * Accept new baselines * Revert "Accept new baselines" This reverts commit4507270cc1. * Revert "Allow new alias to be associated with type alias instantiation" This reverts commit2c2d06dfe1.
142 lines
3.8 KiB
Plaintext
142 lines
3.8 KiB
Plaintext
=== tests/cases/compiler/narrowingTruthyObject.ts ===
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function foo(x: unknown, b: boolean) {
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>foo : (x: unknown, b: boolean) => void
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>x : unknown
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>b : boolean
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if (typeof x === 'object') {
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>typeof x === 'object' : boolean
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>typeof x : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
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>x : unknown
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>'object' : "object"
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x.toString();
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>x.toString() : string
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>x.toString : () => string
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>x : object | null
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>toString : () => string
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}
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if (typeof x === 'object' && x) {
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>typeof x === 'object' && x : false | object | null
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>typeof x === 'object' : boolean
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>typeof x : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
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>x : unknown
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>'object' : "object"
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>x : object | null
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x.toString();
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>x.toString() : string
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>x.toString : () => string
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>x : object
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>toString : () => string
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}
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if (x && typeof x === 'object') {
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>x && typeof x === 'object' : unknown
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>x : unknown
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>typeof x === 'object' : boolean
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>typeof x : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
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>x : unknown
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>'object' : "object"
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x.toString();
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>x.toString() : string
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>x.toString : () => string
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>x : object
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>toString : () => string
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}
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if (b && x && typeof x === 'object') {
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>b && x && typeof x === 'object' : unknown
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>b && x : unknown
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>b : boolean
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>x : unknown
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>typeof x === 'object' : boolean
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>typeof x : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
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>x : unknown
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>'object' : "object"
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x.toString();
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>x.toString() : string
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>x.toString : () => string
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>x : object
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>toString : () => string
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}
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if (x && b && typeof x === 'object') {
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>x && b && typeof x === 'object' : unknown
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>x && b : unknown
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>x : unknown
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>b : boolean
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>typeof x === 'object' : boolean
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>typeof x : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
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>x : unknown
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>'object' : "object"
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x.toString();
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>x.toString() : string
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>x.toString : () => string
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>x : object
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>toString : () => string
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}
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if (x && b && b && typeof x === 'object') {
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>x && b && b && typeof x === 'object' : unknown
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>x && b && b : unknown
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>x && b : unknown
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>x : unknown
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>b : boolean
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>b : true
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>typeof x === 'object' : boolean
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>typeof x : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
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>x : unknown
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>'object' : "object"
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x.toString();
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>x.toString() : string
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>x.toString : () => string
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>x : object
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>toString : () => string
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}
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if (b && b && x && b && b && typeof x === 'object') {
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>b && b && x && b && b && typeof x === 'object' : unknown
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>b && b && x && b && b : unknown
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>b && b && x && b : unknown
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>b && b && x : unknown
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>b && b : boolean
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>b : boolean
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>b : true
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>x : unknown
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>b : true
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>b : true
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>typeof x === 'object' : boolean
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>typeof x : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
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>x : unknown
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>'object' : "object"
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x.toString();
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>x.toString() : string
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>x.toString : () => string
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>x : object
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>toString : () => string
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}
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}
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// Repro from #36870
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function f1(x: unknown): any {
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>f1 : (x: unknown) => any
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>x : unknown
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return x && typeof x === 'object' && x.hasOwnProperty('x');
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>x && typeof x === 'object' && x.hasOwnProperty('x') : unknown
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>x && typeof x === 'object' : unknown
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>x : unknown
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>typeof x === 'object' : boolean
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>typeof x : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
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>x : unknown
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>'object' : "object"
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>x.hasOwnProperty('x') : boolean
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>x.hasOwnProperty : (v: PropertyKey) => boolean
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>x : object
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>hasOwnProperty : (v: PropertyKey) => boolean
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>'x' : "x"
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}
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