INNER CODE UNIT · JavaScript

isUndefined

nitaliano/react-native-mapbox-gl · javascript/utils/index.js:37

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);
}

export function runNativeCommand(module, name, nativeRef, args = []) {
  const handle = findNodeHandle(nativeRef);

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