Fix: detect duplicate languages in tooling data

.github/workflows/validate-tooling-data.yml

@@ -47,6 +47,53 @@ jobs:
             const data = yaml.load(fs.readFileSync(dataPath, 'utf-8'));
             const ajv = new Ajv({ allErrors: true });
             addFormats(ajv);
+
+            ajv.addKeyword({
+              keyword: 'caseInsensitiveUnique',
+              type: 'array',
+              validate: function (schema, data) {
+                if (!Array.isArray(data)) return false;
+
+                const languagesSet = new Set();
+                const languagesLowercaseSet = new Set();
+
+                data.forEach((tool) => {
+                  if (tool.languages) {
+                    tool.languages.forEach((language) => {
+                      languagesSet.add(language);
+                      languagesLowercaseSet.add(language.toLowerCase());
+                    });
+                  }
+                });
+
+                if (languagesSet.size !== languagesLowercaseSet.size) {
+                  console.error('Duplicate languages found');
+
+                  const lowercaseMap = new Map();
+                  languagesSet.forEach((language) => {
+                    lowercaseMap.set(
+                      language.toLowerCase(), 
+                      (lowercaseMap.get(language.toLowerCase()) || 0) + 1
+                    );
+                  });
+
+                  lowercaseMap.forEach((value, key) => {
+                    if (value > 1) {
+                      console.log('Duplicate found for:', key);
+                    }
+                  });
+
+                  validate.errors = [{
+                    keyword: 'caseInsensitiveUnique',
+                    message: 'array contains case-insensitive duplicates',
+                    params: { keyword: 'caseInsensitiveUnique' }
+                  }];
+                  return false;
+                }
+                return true;
+              }
+            });
+
             const validate = ajv.compile(schema);
             const valid = validate(data);
             if (!valid) {
@@ -59,3 +106,4 @@ jobs:
             console.error('Error validating tooling-data.yaml:', error);
             process.exit(1);
           }"
+

data/tooling-data.schema.json

@@ -88,6 +88,7 @@
       "languages": {
         "description": "The language or languages a tool is built in. In the case of a validator, this will likely be the language it is written in. In the case of a conversion or transformation tool, these are the languages that are supported in some capacity.",
         "type": "array",
+        "caseInsensitiveUnique": true,
         "items": {
           "description": "Individual language name, from the list unless not included.",
           "type": "string",

data/tooling-data.yaml

@@ -267,7 +267,7 @@
 - name: gojsonschema
   description: 'An implementation of JSON Schema, draft v4 v6 & v7 - Go language'
   toolingTypes: ['validator']
-  languages: ['Go']
+  languages: ['go']
   maintainers:
     - name: 'xeipuuv'
       username: 'xeipuuv'
@@ -281,7 +281,7 @@
 - name: Vert.x Json Schema
   description: 'Vert.x Json Schema'
   toolingTypes: ['validator']
-  languages: ['Java']
+  languages: ['java']
   maintainers:
     - name: 'Julien Viet'
       username: 'vietj'
@@ -1737,7 +1737,7 @@
 
 - name: Stoplight JSON Schema Tree
   toolingTypes: ['schema-to-web-UI']
-  languages: ['Typescript']
+  languages: ['TypeScript']
   maintainers:
     - name: 'Stoplight'
       username: 'stoplightio'
@@ -1751,7 +1751,7 @@
 - name: Stoplight JSON Schema Viewer
   description: 'A JSON Schema viewer React component'
   toolingTypes: ['schema-to-web-UI']
-  languages: ['Typescript']
+  languages: ['TypeScript']
   maintainers:
     - name: 'Stoplight'
       username: 'stoplightio'
@@ -2461,7 +2461,7 @@
 - name: Jsonary
   description: 'Quickly assemble clients for JSON-based APIs (powered by JSON Schema)'
   toolingTypes: ['hyper-schema']
-  languages: ['Javascript']
+  languages: ['JavaScript']
   license: 'MIT'
   source: 'https://github.com/jsonary-js/jsonary'
   supportedDialects:
@@ -3131,7 +3131,7 @@
 
 - name: JSV
   description: 'A generic JSON Schema validator for Elixir'
-  environments: ['Linux', 'MacOS', 'Windows','Embedded platform']
+  environments: ['Linux', 'macOS', 'Windows','Embedded platform']
   toolingTypes: ['validator']
   languages: ['Elixir', 'Erlang']
   maintainers: