feat(exhaustive): rename thrown error to NonExhaustiveError

Author: gvergnaud

src/errors.ts

@@ -2,7 +2,7 @@
  * Error when the given input value does not match any included pattern
  * and .exhaustive() was specified
  */
-export class ExhaustiveError extends Error {
+export class NonExhaustiveError extends Error {
   constructor(public input: unknown) {
     let displayedValue;
     try {

src/index.ts

@@ -3,4 +3,4 @@ import * as Pattern from './patterns';
 export { match } from './match';
 export { isMatching } from './is-matching';
 export { Pattern, Pattern as P };
-export { ExhaustiveError } from './errors';
+export { NonExhaustiveError } from './errors';

src/match.ts

@@ -2,7 +2,7 @@ import { Pattern } from './types/Pattern';
 import { Match } from './types/Match';
 import * as symbols from './internals/symbols';
 import { matchPattern } from './internals/helpers';
-import { ExhaustiveError } from './errors';
+import { NonExhaustiveError } from './errors';
 
 type MatchState<output> =
   | { matched: true; value: output }
@@ -115,7 +115,7 @@ class MatchExpression<input, output> {
   exhaustive(): output {
     if (this.state.matched) return this.state.value;
 
-    throw new ExhaustiveError(this.input);
+    throw new NonExhaustiveError(this.input);
   }
 
   run(): output {

tests/exhaustive-match.test.ts

@@ -1,4 +1,4 @@
-import { ExhaustiveError, match, P } from '../src';
+import { NonExhaustiveError, match, P } from '../src';
 import { Equal, Expect } from '../src/types/helpers';
 import {
   Option,
@@ -808,31 +808,31 @@ describe('exhaustive()', () => {
         .exhaustive();
     }
 
-    it('Unmatched pattern results in ExhaustiveError', () => {
+    it('Unmatched pattern results in NonExhaustiveError', () => {
       expect.assertions(3);
       const input = { color: 'orange' } as unknown as FlagComponent;
 
       try {
         checkFlagComponent(input);
       } catch (e) {
-        const err = e as ExhaustiveError;
-        expect(err).toBeInstanceOf(ExhaustiveError);
+        const err = e as NonExhaustiveError;
+        expect(err).toBeInstanceOf(NonExhaustiveError);
         expect(err.message).toEqual(
           'Pattern matching error: no pattern matches value {"color":"orange"}'
         );
         expect(err.input).toStrictEqual(input);
       }
     });
 
-    it('Matched pattern with callback error does not result in ExhaustiveError', () => {
+    it('Matched pattern with callback error does not result in NonExhaustiveError', () => {
       expect.assertions(3);
 
       try {
         checkFlagComponent({ color: 'blue' });
       } catch (e) {
         const err = e as Error;
         expect(err).toBeInstanceOf(Error);
-        expect(err).not.toBeInstanceOf(ExhaustiveError);
+        expect(err).not.toBeInstanceOf(NonExhaustiveError);
         expect(err.message).toEqual('Blue error');
       }
     });