INNER CODE UNIT · JavaScript
isNumber
nitaliano/react-native-mapbox-gl · javascript/utils/index.js:33
export function isNumber(num) {
return typeof num === 'number' && !Number.isNaN(num);
}
export function isUndefined(obj) {
return typeof obj === 'undefined';
}
export function isString(str) {
return typeof str === 'string';
}
export function isBoolean(bool) {
return typeof bool === 'boolean';
}
export function isPrimitive(value) {
return isString(value) || isNumber(value) || isBoolean(value);