9906092db2
* Add test case for 'useUnknownInCatchVariables'. * Add new 'useUnknownInCatchVariables' flag. * Accepted baselines. * Add test for catch variable explicitly typed as 'any'. * Accepted baselines. * Move option under 'strict'. * Accepted baselines. * 'useUnknownInCatchVariables' is strict in command line help.
72 lines
2.3 KiB
Plaintext
72 lines
2.3 KiB
Plaintext
=== tests/cases/compiler/useUnknownInCatchVariables01.ts ===
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try {
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// ...
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}
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catch (e) {
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>e : Symbol(e, Decl(useUnknownInCatchVariables01.ts, 3, 7))
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// error!
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void e.toUpperCase();
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>e : Symbol(e, Decl(useUnknownInCatchVariables01.ts, 3, 7))
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void e++;
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>e : Symbol(e, Decl(useUnknownInCatchVariables01.ts, 3, 7))
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void e();
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>e : Symbol(e, Decl(useUnknownInCatchVariables01.ts, 3, 7))
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if (typeof e === "string") {
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>e : Symbol(e, Decl(useUnknownInCatchVariables01.ts, 3, 7))
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// works!
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// We've narrowed 'e' down to the type 'string'.
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console.log(e.toUpperCase());
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>console.log : Symbol(Console.log, Decl(lib.dom.d.ts, --, --))
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>console : Symbol(console, Decl(lib.dom.d.ts, --, --))
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>log : Symbol(Console.log, Decl(lib.dom.d.ts, --, --))
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>e.toUpperCase : Symbol(String.toUpperCase, Decl(lib.es5.d.ts, --, --))
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>e : Symbol(e, Decl(useUnknownInCatchVariables01.ts, 3, 7))
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>toUpperCase : Symbol(String.toUpperCase, Decl(lib.es5.d.ts, --, --))
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}
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if (e instanceof Error) {
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>e : Symbol(e, Decl(useUnknownInCatchVariables01.ts, 3, 7))
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>Error : Symbol(Error, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
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e.stack?.toUpperCase();
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>e.stack?.toUpperCase : Symbol(String.toUpperCase, Decl(lib.es5.d.ts, --, --))
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>e.stack : Symbol(Error.stack, Decl(lib.es5.d.ts, --, --))
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>e : Symbol(e, Decl(useUnknownInCatchVariables01.ts, 3, 7))
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>stack : Symbol(Error.stack, Decl(lib.es5.d.ts, --, --))
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>toUpperCase : Symbol(String.toUpperCase, Decl(lib.es5.d.ts, --, --))
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}
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if (typeof e === "number") {
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>e : Symbol(e, Decl(useUnknownInCatchVariables01.ts, 3, 7))
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e.toExponential();
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>e.toExponential : Symbol(Number.toExponential, Decl(lib.es5.d.ts, --, --))
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>e : Symbol(e, Decl(useUnknownInCatchVariables01.ts, 3, 7))
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>toExponential : Symbol(Number.toExponential, Decl(lib.es5.d.ts, --, --))
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e++;
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>e : Symbol(e, Decl(useUnknownInCatchVariables01.ts, 3, 7))
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}
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}
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try {
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// ...
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}
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catch (e: any) {
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>e : Symbol(e, Decl(useUnknownInCatchVariables01.ts, 27, 7))
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// All are allowed.
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void e.toUpperCase();
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>e : Symbol(e, Decl(useUnknownInCatchVariables01.ts, 27, 7))
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void e.toExponential();
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>e : Symbol(e, Decl(useUnknownInCatchVariables01.ts, 27, 7))
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void e();
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>e : Symbol(e, Decl(useUnknownInCatchVariables01.ts, 27, 7))
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}
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