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tests for is.class and readme info

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Or Schneider 2017-09-24 21:54:34 +03:00
parent 103c5afe6f
commit 148d5e0e2c
3 changed files with 15 additions and 1 deletions
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index.js
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@ -62,6 +62,7 @@ is.symbol = x => typeof x === 'symbol';
is.array = Array.isArray;
is.function = x => typeof x === 'function';
is.class = x => typeof x === 'function' && x.toString().startsWith('class ');
is.buffer = Buffer.isBuffer;
is.object = x => {
@ -130,7 +131,7 @@ is.plainObject = x => {
// eslint-disable-next-line no-return-assign
return getObjectType(x) === 'Object' &&
(prototype = Object.getPrototypeOf(x), prototype === null ||
prototype === Object.getPrototypeOf({}));
prototype === Object.getPrototypeOf({}));
};
is.iterable = x => !is.null(x) && !is.undefined(x) && typeof x[Symbol.iterator] === 'function';