#195 - support for metadata value matchers

- fixes in value converters from various types of metadata to types accepted by matchers (string, bool, float, int)

Author: SebastianMC

src/custom-sort/value-converters.ts

@@ -75,7 +75,10 @@ export class ValueConverters implements ValueConvertersAPI {
         }
         if ('string' === typeof v) {
             const v2l = v.trim().toLowerCase()
-            return (v2l === 'true' || v2l === 'yes') ? true : ((v2l === 'false' || v2l === 'no') ? false : undefined)
+            return (v2l === 'true' || v2l === 'yes' || v2l === '1')
+                ?
+                true
+                : ((v2l === 'false' || v2l === 'no' || v2l === '0') ? false : undefined)
         }
         return undefined  // We ignore metadata values of Array type
     }

src/test/unit/value-converters.spec.ts

@@ -25,6 +25,8 @@ describe('toBooleanConverter', () => {
         ['false', false],
         ['False', false],
         ['fALSE', false],
+        ['1', true],
+        ['0', false],
         [1, true],
         [1000, true],
         [-4356, true],
@@ -40,8 +42,8 @@ describe('toBooleanConverter', () => {
     it.each([
         '',
         '   ',
-        '1',
-        '0',
+        '10',
+        '00',
         '-',
         'true1',
         undefined,