gvergnaud / ts-pattern

🎨 The exhaustive Pattern Matching library for TypeScript, with smart type inference.

gvergnaud/ts-pattern Issues

Add type checking to isMatching pattern argument
Updated 9 days ago1
`Pattern.nonNullable` does not behave as expected
Updated 13 days ago1
P.nonNullable behaves differently than P.not(P.nullish)
Closed a month ago2
Feature: return the value directly
Closed a month ago2
Predicate factory
Updated a month ago3
Does not seem to resolve discriminated unions correctly
Closed a month ago4
Template literal matching support
Updated a month ago2
Defined Pattern
Closed 2 months ago
Example playground doesn't open
Updated 2 months ago
`with(P.not([])` with readonly array
Updated 2 months ago
Support P.object.empty
Updated 2 months ago1
There are cases where unwanted patterns match.
Closed 2 months ago5
Deconstruct string matched with `.startsWith`, `.endsWith`, `regex`
Updated 2 months ago2
Support point-free style
Updated 2 months ago3
.safeExhaustive
Updated 3 months ago1
How to check if a key of unknown type exists on an object?
Updated 3 months ago3
Enter multiple pipeline for objects type match
Closed 3 months ago1
a way to split long match blocks
Updated 4 months ago
Handling of undefined typings in tuples
Updated 4 months ago1
`exhaustive` doesn't work when the conditions use an enum with numeric values
Updated 4 months ago3
Seemingly incorrect tuple maching types
Closed 6 months ago1
Select sub-type for exhaustive check. E.g. `.exhaustive(([state, event]) => event.type)`
Updated 4 months ago
Handle readonly arrays in .exhaustive()
Closed 5 months ago2
Many JSDoc examples are incorrect
Closed 5 months ago1
Preventing use of `.exhaustive()` for enum checks
Updated 6 months ago1
Type NonExhaustiveError<BoardDto> has no call signatures
Updated 6 months ago
Support type predicate return type at `.when()` callback
Closed 6 months ago4
Nullish pattern doesn't work with omitted fields
Closed 6 months ago2
[Bug] TS2615: Type of property 'ruleContext' circularly references itself in mapped type
Closed 7 months ago
How do I return a string | null from a match
Closed 7 months ago2
Object with `any` breaks `.with` chaining
Updated 7 months ago2
Type '"error"' is not assignable to type 'KnownPattern<"ok">
Closed 8 months ago6
Support Awaited<T>
Updated 8 months ago
Question: How can I make a pattern for "if array contains a certain element"?
Updated 8 months ago5
Set exhaustive not working on type level?
Closed 9 months ago1
P.when doesn't work with .exhaustive() when type guard input doesn't match
Updated 9 months ago
can't filter nullish type after checking nullish in match
Closed 10 months ago2
Readme links broken
Closed 10 months ago1
[Bug?] With separated .with(), .otherwise() does not properly narrow the type the same as .exhaustive()
Closed 10 months ago1
[5.0.1] .with() doesn't work with Opaque types
Closed 10 months ago3
Branded type does not work anymore
Closed 10 months ago1
[Bug] Maximum call stack size exceeded
Closed 10 months ago
TS error when declaring "pattern" using P.string as a variable.
Closed 10 months ago5
Select produces wrong types
Updated 10 months ago3
Matching a String Literal from an Array
Closed 10 months ago2
Updating to 5.0.0 match doesnt work (Expected 0 arguments, but got 1)
Closed a year ago2
Exhaustiveness check does not work
Closed a year ago1
Features to make libraries extend/play nice with ts-pattern
Updated a year ago3
Doesn't support symbol keys
Closed a year ago2
P.instanceOf doesn't resolve ptototype chain
Updated a year ago