foxts
Version:
Opinionated collection of common TypeScript utils by @SukkaW
2 lines (1 loc) • 909 B
JavaScript
function n(n){switch(n){case null:return n=>null!==n;case void 0:return n=>void 0!==n;case!1:return n=>!1!==n;case"nullish":return n=>null!=n;case"falsy":return n=>!!n;default:a(n,"argument")}}function r(n){switch(n){case null:return n=>null===n;case void 0:return n=>void 0===n;case!1:return n=>!1===n;case"nullish":return n=>null==n;case"falsy":return n=>!n;case"truthy":return n=>!!n;default:a(n,"argument")}}let e=r("truthy"),u=r("falsy"),l=n(null),t=n("nullish");function i(n,r='[foxts/invariant] "value" is null or undefined'){if(null==n)throw TypeError(r);return n}function s(n,r='[foxts/invariant] "value" is null or undefined'){if(null==n)throw TypeError(r)}function a(n,r="value"){throw TypeError(`Unexpected ${r}: ${n} as ${JSON.stringify(typeof n)}, should be "never"`)}export{s as invariant,r as is,u as isFalsy,l as isNonNull,t as isNonNullish,e as isTruthy,a as never,n as not,i as nullthrow};