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Add is.generator() and is.generatorFunction() (#4)

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Kunall Banerjee 2017-09-28 23:01:48 -04:00 • committed by Sindre Sorhus
parent 000f66bbdc
commit dbe5cc8d82
3 changed files with 26 additions and 1 deletions
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16
test.js
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@ -58,6 +58,9 @@ const types = new Map([
PromiseSubclassFixture.resolve()
]],
['promise', {then() {}, catch() {}}],
['generator', (function * () {
yield 42;
})()],
['map', new Map()],
['set', new Set()],
['weakMap', new WeakMap()],
@ -86,7 +89,7 @@ const types = new Map([
['integer', 6]
]);
// This ensure a certain method matches only the types
// This ensures a certain method matches only the types
// it's supposed to and none of the other methods' types
const testType = (t, type, exclude) => {
for (const [key, value] of types) {
@ -170,6 +173,17 @@ if (isNode8orHigher) {
});
}
test('is.generator', t => {
testType(t, 'generator', ['function']);
});
test('is.generatorFunction', t => {
const gen = function * () {
yield 42;
};
t.true(m.generatorFunction(gen));
});
test('is.map', t => {
testType(t, 'map');
});