Added ordinal numbers to config checker.

src/core/api/modules/checker.ts

@@ -332,6 +332,17 @@ export class ODChecker extends ODManagerData {
         this.options = options ?? {}
     }
 
+    /**Get a human-readable number string. */
+    #ordinalNumber(num:number){
+        const i = Math.abs(Math.round(num))
+        const cent = i % 100
+        if (cent >= 10 && cent <= 20) return i+'th'
+        const dec = i % 10
+        if (dec === 1) return i+'st'
+        if (dec === 2) return i+'nd'
+        if (dec === 3) return i+'rd'
+        return i+'th'
+    }
     /**Run this checker. Returns all errors*/
     check(): ODCheckerResult {
         this.messages = []
@@ -343,12 +354,12 @@ export class ODChecker extends ODManagerData {
             messages:this.messages
         }
     }
-    /**Create a string from the location trace (path)*/
+    /**Create a string from the location trace/path in a human readable format. */
     locationTraceToString(trace:ODCheckerLocationTrace){
         const final: ODCheckerLocationTrace = []
         trace.forEach((t) => {
             if (typeof t == "number"){
-                final.push(`:${t}`)
+                final.push(`:(${this.#ordinalNumber(t+1)})`)
             }else{
                 final.push(`."${t}"`)
             }

src/core/startup/init.ts

@@ -117,7 +117,11 @@ export interface ODUtilities {
      * 
      * It shouldn't be used by plugins because this is an internal API feature!
      */
-    ODVersionMigration:new (version:api.ODVersion,func:() => void|Promise<void>,afterInitFunc:() => void|Promise<void>) => ODVersionMigration
+    ODVersionMigration:new (version:api.ODVersion,func:() => void|Promise<void>,afterInitFunc:() => void|Promise<void>) => ODVersionMigration,
+    /**## ordinalNumber `utility function`
+     * Get a human readable ordinal number (e.g. 1st, 2nd, 3rd, 4th, ...) from a Javascript number.
+     */
+    ordinalNumber(num:number): string,
 }
 
 /**## ODVersionMigration `utility class`
@@ -252,5 +256,15 @@ export const utilities: ODUtilities = {
             "LOREMIPSUM", //TODO
         ]
     },
-    ODVersionMigration
+    ODVersionMigration,
+    ordinalNumber(num:number){
+        const i = Math.abs(Math.round(num))
+        const cent = i % 100
+        if (cent >= 10 && cent <= 20) return i+'th'
+        const dec = i % 10
+        if (dec === 1) return i+'st'
+        if (dec === 2) return i+'nd'
+        if (dec === 3) return i+'rd'
+        return i+'th'
+    }
 }