Merge pull request #98 from 0xPolygonID/fix/support-boolean

Advanced boolean search credential support.

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@0xpolygonid/js-sdk",
-  "version": "1.0.0-beta.17",
+  "version": "1.0.0-beta.18",
   "description": "SDK to work with Polygon ID",
   "main": "dist/cjs/index.js",
   "module": "dist/esm_esbuild/index.js",

src/storage/filters/jsonQuery.ts

@@ -34,15 +34,29 @@ export interface IFilterQuery {
   execute(credential: W3CCredential): boolean;
 }
 
+const truthyValues = [true, 1, 'true'];
+const falsyValues = [false, 0, 'false'];
+
+const equalsComparator = (a, b) => {
+  if (truthyValues.includes(a) && truthyValues.includes(b)) {
+    return true;
+  }
+  if (falsyValues.includes(a) && falsyValues.includes(b)) {
+    return true;
+  }
+
+  return a === b;
+};
+
 export /** @type {*}  - filter operators and their functions */
 const comparatorOptions: { [v in FilterOperatorMethod]: FilterOperatorFunction } = {
   $noop: () => true,
-  $eq: (a, b) => a === b,
+  $eq: (a, b) => equalsComparator(a, b),
   $in: (a: string, b: string[]) => b.includes(a),
   $nin: (a: string, b: string[]) => !b.includes(a),
   $gt: (a: number, b: number) => a > b,
   $lt: (a: number, b: number) => a < b,
-  $ne: (a, b) => a !== b
+  $ne: (a, b) => !equalsComparator(a, b)
 };
 
 /**

tests/credentials/credential-wallet.test.ts

@@ -213,6 +213,87 @@ const credentialFlow = async (storage: IDataStorage) => {
         }
       },
       expected: [cred4]
+    },
+    {
+      query: {
+        allowedIssuers: ['*'],
+        credentialSubject: {
+          'country.insured': { $eq: 'true' }
+        }
+      },
+      expected: [cred4]
+    },
+    {
+      query: {
+        allowedIssuers: ['*'],
+        credentialSubject: {
+          'country.insured': { $eq: 1 }
+        }
+      },
+      expected: [cred4]
+    },
+    {
+      query: {
+        allowedIssuers: ['*'],
+        credentialSubject: {
+          'country.insured': { $eq: true }
+        }
+      },
+      expected: [cred4]
+    },
+    {
+      query: {
+        allowedIssuers: ['*'],
+        credentialSubject: {
+          'country.insured': { $ne: 'false' }
+        }
+      },
+      expected: [cred4]
+    },
+    {
+      query: {
+        allowedIssuers: ['*'],
+        credentialSubject: {
+          'country.insured': { $ne: 0 }
+        }
+      },
+      expected: [cred4]
+    },
+    {
+      query: {
+        allowedIssuers: ['*'],
+        credentialSubject: {
+          'country.insured': { $ne: false }
+        }
+      },
+      expected: [cred4]
+    },
+    {
+      query: {
+        allowedIssuers: ['*'],
+        credentialSubject: {
+          'country.hasOwnPackage': { $eq: 'false' }
+        }
+      },
+      expected: [cred4]
+    },
+    {
+      query: {
+        allowedIssuers: ['*'],
+        credentialSubject: {
+          'country.hasOwnPackage': { $eq: 0 }
+        }
+      },
+      expected: [cred4]
+    },
+    {
+      query: {
+        allowedIssuers: ['*'],
+        credentialSubject: {
+          'country.hasOwnPackage': { $eq: false }
+        }
+      },
+      expected: [cred4]
     }
   ];
 

tests/credentials/mock.ts

@@ -75,7 +75,9 @@ export const cred4 = createTestCredential({
     countOfFines: 0,
     country: {
       name: 'Spain',
-      code: 'ES'
+      code: 'ES',
+      insured: true,
+      hasOwnPackage: 'false'
     }
   },
   expirationDate: '2023-11-11',