introduce durationToMilliseconds

Signed-off-by: Fredrik Adelöw <freben@gmail.com>

packages/config-loader/src/sources/RemoteConfigSource.ts

@@ -15,7 +15,11 @@
  */
 
 import { ResponseError } from '@backstage/errors';
-import { HumanDuration, JsonObject } from '@backstage/types';
+import {
+  HumanDuration,
+  JsonObject,
+  durationToMilliseconds,
+} from '@backstage/types';
 import isEqual from 'lodash/isEqual';
 import fetch from 'node-fetch';
 import yaml from 'yaml';
@@ -29,27 +33,6 @@ import {
 
 const DEFAULT_RELOAD_INTERVAL = { seconds: 60 };
 
-function durationToMs(duration: HumanDuration): number {
-  const {
-    years = 0,
-    months = 0,
-    weeks = 0,
-    days = 0,
-    hours = 0,
-    minutes = 0,
-    seconds = 0,
-    milliseconds = 0,
-  } = duration;
-
-  const totalDays = years * 365 + months * 30 + weeks * 7 + days;
-  const totalHours = totalDays * 24 + hours;
-  const totalMinutes = totalHours * 60 + minutes;
-  const totalSeconds = totalMinutes * 60 + seconds;
-  const totalMilliseconds = totalSeconds * 1000 + milliseconds;
-
-  return totalMilliseconds;
-}
-
 /**
  * Options for {@link RemoteConfigSource.create}.
  *
@@ -104,7 +87,7 @@ export class RemoteConfigSource implements ConfigSource {
 
   private constructor(options: RemoteConfigSourceOptions) {
     this.#url = options.url;
-    this.#reloadIntervalMs = durationToMs(
+    this.#reloadIntervalMs = durationToMilliseconds(
       options.reloadInterval ?? DEFAULT_RELOAD_INTERVAL,
     );
     this.#transformer = createConfigTransformer({