feat(core/options): uses object hash to identify options

package.json

@@ -72,6 +72,7 @@
     "@types/jest": "^24.0.11",
     "@types/js-yaml": "^3.12.1",
     "@types/lodash.mergewith": "^4.6.6",
+    "@types/object-hash": "^1.2.0",
     "@types/pify": "^3.0.2",
     "@types/signal-exit": "^3.0.0",
     "@types/uuid": "^3.4.4",
@@ -125,6 +126,7 @@
     "lodash.mergewith": "^4.6.1",
     "loglevel": "^1.6.1",
     "manage-path": "^2.0.0",
+    "object-hash": "^1.3.1",
     "pify": "^4.0.1",
     "promist": "^0.5.3",
     "signal-exit": "^3.0.2",

src/core/options.ts

@@ -2,7 +2,7 @@ import mergewith from 'lodash.mergewith';
 import { IBaseOptions, IScopeOptions, TCoreOptions } from '~/types';
 import { DEFAULT_LOG_LEVEL } from '~/constants';
 import { setLevel } from '~/utils/logger';
-import uuid from 'uuid/v4';
+import hash from 'object-hash';
 
 export const state = {
   base: {
@@ -15,7 +15,7 @@ export const state = {
   scope: {} as IScopeOptions
 };
 
-let id = uuid();
+let id = 'INIT';
 let options: TCoreOptions = {};
 merge();
 
@@ -37,9 +37,6 @@ export default {
 };
 
 function merge(): void {
-  // reset id
-  id = uuid();
-
   // merge base and scope
   options = Object.assign({}, state.base, state.scope, {
     env: Object.assign({}, state.base.env, state.scope.env)
@@ -51,4 +48,7 @@ function merge(): void {
 
   // Set logging level
   if (options.log) setLevel(options.log);
+
+  // Set id to object hash
+  id = hash(options);
 }