fix(uvu): stricter isNode check (#63)

* Stricter isNode check

* fix: include `process.stdout` for `isNode` check

related: lukeed/kleur#42

Co-authored-by: Luke Edwards <luke.edwards05@gmail.com>

Author: zigomir

src/index.js

@@ -10,7 +10,7 @@ const context = (state) => ({ tests:[], before:[], after:[], bEach:[], aEach:[],
 const milli = arr => (arr[0]*1e3 + arr[1]/1e6).toFixed(2) + 'ms';
 const hook = (ctx, key) => handler => ctx[key].push(handler);
 
-if (isNode = typeof process !== 'undefined') {
+if (isNode = typeof process < 'u' && typeof process.stdout < 'u') {
 	// globalThis polyfill; Node < 12
 	if (typeof globalThis !== 'object') {
 		Object.defineProperty(global, 'globalThis', {