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|
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(7,7): error TS2322: Type '"no slash"' is not assignable to type '`/${string}`'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(14,10): error TS2345: Argument of type '"example.com/noprotocol"' is not assignable to parameter of type '`http://${string}` | `https://${string}` | `ftp://${string}`'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(16,10): error TS2345: Argument of type '"gopher://example.com/protocol"' is not assignable to parameter of type '`http://${string}` | `https://${string}` | `ftp://${string}`'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(26,7): error TS2345: Argument of type '"other"' is not assignable to parameter of type '"false" | "true"'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(35,11): error TS2345: Argument of type '"0"' is not assignable to parameter of type '"undefined" | "null"'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(36,11): error TS2345: Argument of type '"false"' is not assignable to parameter of type '"undefined" | "null"'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(37,11): error TS2345: Argument of type '"NaN"' is not assignable to parameter of type '"undefined" | "null"'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(38,11): error TS2345: Argument of type '""' is not assignable to parameter of type '"undefined" | "null"'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(39,11): error TS2345: Argument of type '"other"' is not assignable to parameter of type '"undefined" | "null"'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(60,9): error TS2345: Argument of type '"?"' is not assignable to parameter of type '`${number}`'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(61,9): error TS2345: Argument of type '"NaN"' is not assignable to parameter of type '`${number}`'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(62,9): error TS2345: Argument of type '"Infinity"' is not assignable to parameter of type '`${number}`'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(63,9): error TS2345: Argument of type '"+Infinity"' is not assignable to parameter of type '`${number}`'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(64,9): error TS2345: Argument of type '"-Infinity"' is not assignable to parameter of type '`${number}`'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(65,9): error TS2345: Argument of type '"1_000"' is not assignable to parameter of type '`${number}`'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(68,9): error TS2345: Argument of type '"a10"' is not assignable to parameter of type '`${number}`'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(69,9): error TS2345: Argument of type '"10a"' is not assignable to parameter of type '`${number}`'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(72,9): error TS2345: Argument of type '"- 1"' is not assignable to parameter of type '`${number}`'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(73,9): error TS2345: Argument of type '"-/**/1"' is not assignable to parameter of type '`${number}`'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(85,9): error TS2345: Argument of type '"1e21"' is not assignable to parameter of type '`${bigint}`'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(86,9): error TS2345: Argument of type '"1E21"' is not assignable to parameter of type '`${bigint}`'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(87,9): error TS2345: Argument of type '"1e-21"' is not assignable to parameter of type '`${bigint}`'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(88,9): error TS2345: Argument of type '"1E-21"' is not assignable to parameter of type '`${bigint}`'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(91,9): error TS2345: Argument of type '"1.0"' is not assignable to parameter of type '`${bigint}`'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(92,9): error TS2345: Argument of type '"1.1"' is not assignable to parameter of type '`${bigint}`'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(93,9): error TS2345: Argument of type '"-1.1"' is not assignable to parameter of type '`${bigint}`'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(94,9): error TS2345: Argument of type '"-1.1e-10"' is not assignable to parameter of type '`${bigint}`'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(95,9): error TS2345: Argument of type '"-1.1E-10"' is not assignable to parameter of type '`${bigint}`'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(96,9): error TS2345: Argument of type '"1.1e-10"' is not assignable to parameter of type '`${bigint}`'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(99,9): error TS2345: Argument of type '"?"' is not assignable to parameter of type '`${bigint}`'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(100,9): error TS2345: Argument of type '"NaN"' is not assignable to parameter of type '`${bigint}`'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(101,9): error TS2345: Argument of type '"Infinity"' is not assignable to parameter of type '`${bigint}`'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(102,9): error TS2345: Argument of type '"+Infinity"' is not assignable to parameter of type '`${bigint}`'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(103,9): error TS2345: Argument of type '"-Infinity"' is not assignable to parameter of type '`${bigint}`'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(104,9): error TS2345: Argument of type '"1_000"' is not assignable to parameter of type '`${bigint}`'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(107,9): error TS2345: Argument of type '"- 1"' is not assignable to parameter of type '`${bigint}`'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(108,9): error TS2345: Argument of type '"-/**/1"' is not assignable to parameter of type '`${bigint}`'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(111,9): error TS2345: Argument of type '"a10n"' is not assignable to parameter of type '`${bigint}`'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(112,9): error TS2345: Argument of type '"10an"' is not assignable to parameter of type '`${bigint}`'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(115,9): error TS2345: Argument of type '"1n"' is not assignable to parameter of type '`${bigint}`'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(116,9): error TS2345: Argument of type '"-1n"' is not assignable to parameter of type '`${bigint}`'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(117,9): error TS2345: Argument of type '"0n"' is not assignable to parameter of type '`${bigint}`'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(118,9): error TS2345: Argument of type '"0b1n"' is not assignable to parameter of type '`${bigint}`'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(119,9): error TS2345: Argument of type '"0x1n"' is not assignable to parameter of type '`${bigint}`'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(120,9): error TS2345: Argument of type '"0o1n"' is not assignable to parameter of type '`${bigint}`'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(121,9): error TS2345: Argument of type '"1e21n"' is not assignable to parameter of type '`${bigint}`'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(122,9): error TS2345: Argument of type '"1E21n"' is not assignable to parameter of type '`${bigint}`'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(123,9): error TS2345: Argument of type '"1e-21n"' is not assignable to parameter of type '`${bigint}`'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(124,9): error TS2345: Argument of type '"1E-21n"' is not assignable to parameter of type '`${bigint}`'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(125,9): error TS2345: Argument of type '"1.1n"' is not assignable to parameter of type '`${bigint}`'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(126,9): error TS2345: Argument of type '"-1.1n"' is not assignable to parameter of type '`${bigint}`'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(127,9): error TS2345: Argument of type '"-1.1e-10n"' is not assignable to parameter of type '`${bigint}`'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(128,9): error TS2345: Argument of type '"-1.1E-10n"' is not assignable to parameter of type '`${bigint}`'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(129,9): error TS2345: Argument of type '"1.1e-10n"' is not assignable to parameter of type '`${bigint}`'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(140,1): error TS2322: Type '`a${string}`' is not assignable to type '`a${number}`'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(141,1): error TS2322: Type '"bno"' is not assignable to type '`a${any}`'.
tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts(160,7): error TS2322: Type '"anything"' is not assignable to type '`${number} ${number}`'.
==== tests/cases/conformance/types/literal/templateLiteralTypesPatterns.ts (57 errors) ====
type RequiresLeadingSlash = `/${string}`;
// ok
const a: RequiresLeadingSlash = "/bin";
// not ok
const b: RequiresLeadingSlash = "no slash";
~
!!! error TS2322: Type '"no slash"' is not assignable to type '`/${string}`'.
type Protocol<T extends string, U extends string> = `${T}://${U}`;
function download(hostSpec: Protocol<"http" | "https" | "ftp", string>) { }
// ok, has protocol
download("http://example.com/protocol");
// issues error - no protocol
download("example.com/noprotocol");
~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS2345: Argument of type '"example.com/noprotocol"' is not assignable to parameter of type '`http://${string}` | `https://${string}` | `ftp://${string}`'.
// issues error, incorrect protocol
download("gopher://example.com/protocol");
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS2345: Argument of type '"gopher://example.com/protocol"' is not assignable to parameter of type '`http://${string}` | `https://${string}` | `ftp://${string}`'.
const q: RequiresLeadingSlash extends string ? true : false = true;
declare function bools(x: `${boolean}`): void;
// ok
bools("true");
bools("false");
// not ok
bools("other");
~~~~~~~
!!! error TS2345: Argument of type '"other"' is not assignable to parameter of type '"false" | "true"'.
type Pat<T extends string | null | undefined> = `${T}`
declare function nullishes(x: Pat<null | undefined>): void;
// ok
nullishes("null");
nullishes("undefined");
// not ok
nullishes("0");
~~~
!!! error TS2345: Argument of type '"0"' is not assignable to parameter of type '"undefined" | "null"'.
nullishes("false");
~~~~~~~
!!! error TS2345: Argument of type '"false"' is not assignable to parameter of type '"undefined" | "null"'.
nullishes("NaN");
~~~~~
!!! error TS2345: Argument of type '"NaN"' is not assignable to parameter of type '"undefined" | "null"'.
nullishes("");
~~
!!! error TS2345: Argument of type '""' is not assignable to parameter of type '"undefined" | "null"'.
nullishes("other");
~~~~~~~
!!! error TS2345: Argument of type '"other"' is not assignable to parameter of type '"undefined" | "null"'.
declare function numbers(x: `${number}`): void;
// the following should work
numbers("1");
numbers("-1");
numbers("0");
numbers("0b1");
numbers("0x1");
numbers("0o1");
numbers("1e21");
numbers("1E21");
numbers("1e-21");
numbers("1E-21");
numbers("1.1");
numbers("-1.1");
numbers("-1.1e-10");
numbers("-1.1E-10");
numbers("1.1e-10");
// the following should be errors since they're not numbers
numbers("?");
~~~
!!! error TS2345: Argument of type '"?"' is not assignable to parameter of type '`${number}`'.
numbers("NaN");
~~~~~
!!! error TS2345: Argument of type '"NaN"' is not assignable to parameter of type '`${number}`'.
numbers("Infinity");
~~~~~~~~~~
!!! error TS2345: Argument of type '"Infinity"' is not assignable to parameter of type '`${number}`'.
numbers("+Infinity");
~~~~~~~~~~~
!!! error TS2345: Argument of type '"+Infinity"' is not assignable to parameter of type '`${number}`'.
numbers("-Infinity");
~~~~~~~~~~~
!!! error TS2345: Argument of type '"-Infinity"' is not assignable to parameter of type '`${number}`'.
numbers("1_000");
~~~~~~~
!!! error TS2345: Argument of type '"1_000"' is not assignable to parameter of type '`${number}`'.
// the following should be errors since they don't match the pattern
numbers("a10");
~~~~~
!!! error TS2345: Argument of type '"a10"' is not assignable to parameter of type '`${number}`'.
numbers("10a");
~~~~~
!!! error TS2345: Argument of type '"10a"' is not assignable to parameter of type '`${number}`'.
// whitespace and comments aren't part of numbers
numbers("- 1");
~~~~~
!!! error TS2345: Argument of type '"- 1"' is not assignable to parameter of type '`${number}`'.
numbers("-/**/1");
~~~~~~~~
!!! error TS2345: Argument of type '"-/**/1"' is not assignable to parameter of type '`${number}`'.
declare function bigints(x: `${bigint}`): void;
// the following should work
bigints("1");
bigints("-1");
bigints("0");
bigints("0b1");
bigints("0x1");
bigints("0o1");
// bigints do not allow scientific notation in their parsing/scanning, so these are all errors
bigints("1e21");
~~~~~~
!!! error TS2345: Argument of type '"1e21"' is not assignable to parameter of type '`${bigint}`'.
bigints("1E21");
~~~~~~
!!! error TS2345: Argument of type '"1E21"' is not assignable to parameter of type '`${bigint}`'.
bigints("1e-21");
~~~~~~~
!!! error TS2345: Argument of type '"1e-21"' is not assignable to parameter of type '`${bigint}`'.
bigints("1E-21");
~~~~~~~
!!! error TS2345: Argument of type '"1E-21"' is not assignable to parameter of type '`${bigint}`'.
// these are all errors because they're not big_int_s
bigints("1.0");
~~~~~
!!! error TS2345: Argument of type '"1.0"' is not assignable to parameter of type '`${bigint}`'.
bigints("1.1");
~~~~~
!!! error TS2345: Argument of type '"1.1"' is not assignable to parameter of type '`${bigint}`'.
bigints("-1.1");
~~~~~~
!!! error TS2345: Argument of type '"-1.1"' is not assignable to parameter of type '`${bigint}`'.
bigints("-1.1e-10");
~~~~~~~~~~
!!! error TS2345: Argument of type '"-1.1e-10"' is not assignable to parameter of type '`${bigint}`'.
bigints("-1.1E-10");
~~~~~~~~~~
!!! error TS2345: Argument of type '"-1.1E-10"' is not assignable to parameter of type '`${bigint}`'.
bigints("1.1e-10");
~~~~~~~~~
!!! error TS2345: Argument of type '"1.1e-10"' is not assignable to parameter of type '`${bigint}`'.
// the following should be errors since they're not numbers
bigints("?");
~~~
!!! error TS2345: Argument of type '"?"' is not assignable to parameter of type '`${bigint}`'.
bigints("NaN");
~~~~~
!!! error TS2345: Argument of type '"NaN"' is not assignable to parameter of type '`${bigint}`'.
bigints("Infinity");
~~~~~~~~~~
!!! error TS2345: Argument of type '"Infinity"' is not assignable to parameter of type '`${bigint}`'.
bigints("+Infinity");
~~~~~~~~~~~
!!! error TS2345: Argument of type '"+Infinity"' is not assignable to parameter of type '`${bigint}`'.
bigints("-Infinity");
~~~~~~~~~~~
!!! error TS2345: Argument of type '"-Infinity"' is not assignable to parameter of type '`${bigint}`'.
bigints("1_000");
~~~~~~~
!!! error TS2345: Argument of type '"1_000"' is not assignable to parameter of type '`${bigint}`'.
// whitespace and comments aren't part of numbers
bigints("- 1");
~~~~~
!!! error TS2345: Argument of type '"- 1"' is not assignable to parameter of type '`${bigint}`'.
bigints("-/**/1");
~~~~~~~~
!!! error TS2345: Argument of type '"-/**/1"' is not assignable to parameter of type '`${bigint}`'.
// the following should be errors since they don't match the pattern
bigints("a10n");
~~~~~~
!!! error TS2345: Argument of type '"a10n"' is not assignable to parameter of type '`${bigint}`'.
bigints("10an");
~~~~~~
!!! error TS2345: Argument of type '"10an"' is not assignable to parameter of type '`${bigint}`'.
// the following should all be errors because the `BigInt` constructor (and thus bigint parsing) doesn't take the trailing `n` used in literals
bigints("1n");
~~~~
!!! error TS2345: Argument of type '"1n"' is not assignable to parameter of type '`${bigint}`'.
bigints("-1n");
~~~~~
!!! error TS2345: Argument of type '"-1n"' is not assignable to parameter of type '`${bigint}`'.
bigints("0n");
~~~~
!!! error TS2345: Argument of type '"0n"' is not assignable to parameter of type '`${bigint}`'.
bigints("0b1n");
~~~~~~
!!! error TS2345: Argument of type '"0b1n"' is not assignable to parameter of type '`${bigint}`'.
bigints("0x1n");
~~~~~~
!!! error TS2345: Argument of type '"0x1n"' is not assignable to parameter of type '`${bigint}`'.
bigints("0o1n");
~~~~~~
!!! error TS2345: Argument of type '"0o1n"' is not assignable to parameter of type '`${bigint}`'.
bigints("1e21n");
~~~~~~~
!!! error TS2345: Argument of type '"1e21n"' is not assignable to parameter of type '`${bigint}`'.
bigints("1E21n");
~~~~~~~
!!! error TS2345: Argument of type '"1E21n"' is not assignable to parameter of type '`${bigint}`'.
bigints("1e-21n");
~~~~~~~~
!!! error TS2345: Argument of type '"1e-21n"' is not assignable to parameter of type '`${bigint}`'.
bigints("1E-21n");
~~~~~~~~
!!! error TS2345: Argument of type '"1E-21n"' is not assignable to parameter of type '`${bigint}`'.
bigints("1.1n");
~~~~~~
!!! error TS2345: Argument of type '"1.1n"' is not assignable to parameter of type '`${bigint}`'.
bigints("-1.1n");
~~~~~~~
!!! error TS2345: Argument of type '"-1.1n"' is not assignable to parameter of type '`${bigint}`'.
bigints("-1.1e-10n");
~~~~~~~~~~~
!!! error TS2345: Argument of type '"-1.1e-10n"' is not assignable to parameter of type '`${bigint}`'.
bigints("-1.1E-10n");
~~~~~~~~~~~
!!! error TS2345: Argument of type '"-1.1E-10n"' is not assignable to parameter of type '`${bigint}`'.
bigints("1.1e-10n");
~~~~~~~~~~
!!! error TS2345: Argument of type '"1.1e-10n"' is not assignable to parameter of type '`${bigint}`'.
type AStr = `a${string}`;
type ANum = `a${number}`;
type AAny = `a${any}`;
declare var str: AStr;
declare var num: ANum;
declare var anyish: AAny;
// not ok
num = str;
~~~
!!! error TS2322: Type '`a${string}`' is not assignable to type '`a${number}`'.
anyish = `bno`
~~~~~~
!!! error TS2322: Type '"bno"' is not assignable to type '`a${any}`'.
// ok
str = num;
anyish = str;
str = anyish;
anyish = num;
num = anyish;
anyish = `aok`
// Validates variance isn't measured as strictly covariant
type AGen<T extends string | number> = {field: `a${T}`};
const shouldWork1: AGen<string> = null as any as AGen<"yes">;
const shouldWork2: AGen<string> = null as any as AGen<number>;
// validates concatenation of patterns
type A = `${number}`;
type B = `${A} ${A}`;
const exampleBad: B = "anything"; // fails
~~~~~~~~~~
!!! error TS2322: Type '"anything"' is not assignable to type '`${number} ${number}`'.
const exampleGood: B = "1 2"; // ok
// Repro from #41161
var aa: '0';
var aa: '0' & `${number}`;
// Remove string literals from unions with matching template literals
let t1: `foo${string}` | 'foo1' | '1foo'; // `foo${string}` | '1foo'
let t2: `foo1` | '1foo' | 'foofoo' | `foo${string}` | 'foox' | 'xfoo'; // `foo${string}` | '1foo' | 'xfoo'
let t3: `foo1` | '1foo' | 'foofoo' | `foo${string}` | 'foox' | 'xfoo' | `${number}foo`; // `foo${string}` | xfoo' | `${number}foo`
var bb: `${number}`;
var bb: `${number}` | '0';
// Normalize `${string}` to just string
type T2S<A extends string, B extends string> = `${A}${B}`;
type S10 = `${string}`; // string
type S11 = `${string}${string}${string}`; // string
type S12 = T2S<string, string>; // string
function ff1(x: `${string}-${string}`) {
let s1 = x && 42; // number
let s2 = x || 42; // `${string}-${string}`
}
// Repro from #41651
export type Id<TA, TId extends string = string> = `${TId}-${TId}`;
export class AA {}
export abstract class BB {
abstract get(id: Id<AA>): void;
update(id: Id<AA>): void {
this.get(id!);
}
}
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