Use parseInt on the speed attribute to increase compatibility with game systems (resolves #60)

CHANGELOG.md

@@ -1,3 +1,8 @@
+## In development
+### Compatiblilty
+- Drag Ruler's Generic Speed Provider is now able to work with game systems that put non-number characters behind the tokens movement speed (like `30ft.`). One example for such a game system is Dungeon Crawl Classics. ([#60](https://github.com/manuelVo/foundryvtt-drag-ruler/issues/60))
+
+
 ## 1.5.2
 ### Bugfixes
 - Drag Ruler no longer prevents tokens that don't have an actor from being moved. ([#58](https://github.com/manuelVo/foundryvtt-drag-ruler/issues/58))

src/speed_provider.js

@@ -124,7 +124,7 @@ export class GenericSpeedProvider extends SpeedProvider {
 		const speedAttribute = this.getSetting("speedAttribute")
 		if (!speedAttribute)
 			return []
-		const tokenSpeed = getProperty(token, speedAttribute)
+		const tokenSpeed = parseInt(getProperty(token, speedAttribute));
 		if (tokenSpeed === undefined) {
 			console.warn(`Drag Ruler (Generic Speed Provider) | The configured token speed attribute "${speedAttribute}" didn't return a speed value. To use colors based on drag distance set the setting to the correct value (or clear the box to disable this feature).`)
 			return []