forked from sindresorhus/meow
/
build.test-d.ts
131 lines (114 loc) 路 5.31 KB
/
build.test-d.ts
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import {expectAssignable, expectError, expectType} from 'tsd';
import type {PackageJson} from 'type-fest';
import meow, {type Result} from '../build/index.js';
type AnyFlag = NonNullable<NonNullable<Parameters<typeof meow>[0]>['flags']>[string];
const importMeta = import.meta;
expectType<Result<never>>(meow('Help text'));
expectType<Result<never>>(meow('Help text', {importMeta}));
expectAssignable<{flags: {foo: number}}>(
meow({importMeta: import.meta, flags: {foo: {type: 'number', isRequired: true}}}),
);
expectAssignable<{flags: {foo: string}}>(
meow({importMeta, flags: {foo: {type: 'string', isRequired: true}}}),
);
expectAssignable<{flags: {foo: boolean}}>(
meow({importMeta, flags: {foo: {type: 'boolean', isRequired: true}}}),
);
expectAssignable<{flags: {foo: number | undefined}}>(
meow({importMeta, flags: {foo: {type: 'number'}}}),
);
expectAssignable<{flags: {foo: string | undefined}}>(
meow({importMeta, flags: {foo: {type: 'string'}}}),
);
expectAssignable<{flags: {foo: boolean | undefined}}>(
meow({importMeta, flags: {foo: {type: 'boolean'}}}),
);
expectAssignable<{flags: {foo: number[] | undefined}}>(
meow({importMeta, flags: {foo: {type: 'number', isMultiple: true}}}),
);
expectAssignable<{flags: {foo: string[] | undefined}}>(
meow({importMeta, flags: {foo: {type: 'string', isMultiple: true}}}),
);
expectAssignable<{flags: {foo: boolean[] | undefined}}>(
meow({importMeta, flags: {foo: {type: 'boolean', isMultiple: true}}}),
);
expectType<Result<never>>(meow({importMeta, description: 'foo'}));
expectType<Result<never>>(meow({importMeta, description: false}));
expectType<Result<never>>(meow({importMeta, help: 'foo'}));
expectType<Result<never>>(meow({importMeta, help: false}));
expectType<Result<never>>(meow({importMeta, version: 'foo'}));
expectType<Result<never>>(meow({importMeta, version: false}));
expectType<Result<never>>(meow({importMeta, autoHelp: false}));
expectType<Result<never>>(meow({importMeta, autoVersion: false}));
expectType<Result<never>>(meow({importMeta, pkg: {foo: 'bar'}}));
expectType<Result<never>>(meow({importMeta, argv: ['foo', 'bar']}));
expectType<Result<never>>(meow({importMeta, inferType: true}));
expectType<Result<never>>(meow({importMeta, booleanDefault: true}));
expectType<Result<never>>(meow({importMeta, booleanDefault: undefined}));
expectType<Result<never>>(meow({importMeta}));
const result = meow('Help text', {
importMeta,
flags: {
foo: {type: 'boolean', shortFlag: 'f'},
'foo-bar': {type: 'number', aliases: ['foobar', 'fooBar']},
bar: {type: 'string', default: ''},
abc: {type: 'string', isMultiple: true},
baz: {type: 'string', choices: ['rainbow', 'cat', 'unicorn']},
},
});
expectType<string[]>(result.input);
expectType<PackageJson>(result.pkg);
expectType<string>(result.help);
expectType<boolean | undefined>(result.flags.foo);
expectType<number | undefined>(result.flags.fooBar);
expectType<string>(result.flags.bar);
expectType<string[] | undefined>(result.flags.abc);
expectType<string | undefined>(result.flags.baz);
expectType<boolean | undefined>(result.unnormalizedFlags.foo);
expectType<unknown>(result.unnormalizedFlags.f);
expectType<number | undefined>(result.unnormalizedFlags['foo-bar']);
expectType<unknown>(result.unnormalizedFlags.foobar);
expectType<unknown>(result.unnormalizedFlags.fooBar);
expectType<string>(result.unnormalizedFlags.bar);
expectType<string[] | undefined>(result.unnormalizedFlags.abc);
expectType<string | undefined>(result.unnormalizedFlags.baz);
result.showHelp();
result.showHelp(1);
result.showVersion();
const options = {
importMeta,
flags: {
rainbow: {
type: 'boolean',
shortFlag: 'r',
},
},
} as const;
meow('', options);
expectAssignable<AnyFlag>({type: 'string', default: 'cat'});
expectAssignable<AnyFlag>({type: 'number', default: 42});
expectAssignable<AnyFlag>({type: 'boolean', default: true});
expectAssignable<AnyFlag>({type: 'string', default: undefined});
expectAssignable<AnyFlag>({type: 'number', default: undefined});
expectAssignable<AnyFlag>({type: 'boolean', default: undefined});
expectAssignable<AnyFlag>({type: 'string', isMultiple: true, default: ['cat']});
expectAssignable<AnyFlag>({type: 'number', isMultiple: true, default: [42]});
expectAssignable<AnyFlag>({type: 'boolean', isMultiple: true, default: [false]});
expectError<AnyFlag>({type: 'string', isMultiple: true, default: 'cat'});
expectError<AnyFlag>({type: 'number', isMultiple: true, default: 42});
expectError<AnyFlag>({type: 'boolean', isMultiple: true, default: false});
expectAssignable<AnyFlag>({type: 'string', choices: ['cat', 'unicorn']});
expectAssignable<AnyFlag>({type: 'number', choices: [1, 2]});
expectAssignable<AnyFlag>({type: 'boolean', choices: [true, false]});
expectAssignable<AnyFlag>({type: 'string', isMultiple: true, choices: ['cat']});
expectAssignable<AnyFlag>({type: 'string', isMultiple: false, choices: ['cat']});
expectError<AnyFlag>({type: 'string', choices: 'cat'});
expectError<AnyFlag>({type: 'number', choices: 1});
expectError<AnyFlag>({type: 'boolean', choices: true});
expectError<AnyFlag>({type: 'string', choices: [1]});
expectError<AnyFlag>({type: 'number', choices: ['cat']});
expectError<AnyFlag>({type: 'boolean', choices: ['cat']});
expectAssignable<AnyFlag>({choices: ['cat']});
expectAssignable<AnyFlag>({choices: [1]});
expectAssignable<AnyFlag>({choices: [true]});
expectError<AnyFlag>({choices: ['cat', 1, true]});