const ajv = new Ajv({schemas: [schema, defsSchema]})
const validate = ajv.getSchema("http://example.com/schemas/schema.json")
<pre class="typing-tooltip"><code data-language="javascript" class="language-javascript"><span class="token punctuation">(</span>alias<span class="token punctuation">)</span> <span class="token keyword">class</span> <span class="token class-name">ajv</span>
<span class="token keyword">import</span> ajv
<span class="token keyword">const</span> ajv<span class="token operator">:</span> Ajv</code></pre>

async function test() {
  
  //...
const schema = JSON.parse(await fs.readFile("./schema/buttplug-schema.json", "utf-8"));
  const validator = new ajv();
  validator.addMetaSchema(require("ajv/lib/refs/json-schema-draft-06.json"));
  const jsonValidator = validator.compile(schema);
  
  //...
}

<pre class="typing-tooltip"><code data-language="javascript" class="language-javascript"><span class="token keyword">function</span> <span class="token function">test</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token operator">:</span> <span class="token builtin">Promise</span><span class="token operator">&lt;</span><span class="token keyword">void</span><span class="token operator">></span></code></pre>

//...
const conf = require('../conf');

const ajv = new Ajv({
    schemaId: 'auto',
    allErrors: true,
    verbose: true,
});

ajv.addMetaSchema(require('ajv/lib/refs/json-schema-draft-04.json'));
ajv.addMetaSchema(require('ajv/lib/refs/json-schema-draft-06.json'));

function URIfromId(id) {
    return url.parse(id).path;
}



//...
<pre class="typing-tooltip"><code data-language="javascript" class="language-javascript"><span class="token keyword">import</span> conf</code></pre>

const draft6MetaSchema = require("ajv/dist/refs/json-schema-draft-06.json")
ajv.addMetaSchema(draft6MetaSchema)
<pre class="typing-tooltip"><code data-language="javascript" class="language-javascript"><span class="token keyword">import</span> draft6MetaSchema</code></pre>

constructor(validatorOptions) {
    
    //...
const validator = ajv({
      allErrors: true,
      errorDataPath: 'property',
      jsonPointers: true,
      verbose: true,
      schemas: this.schemas,
      schemaId: 'auto',
    });

    validator.addMetaSchema(jsonSchemaDraft06);
    ajvMergePatch(validator);
    this._addCustomFormats(validator);
    
    //...
}

  
<pre class="typing-tooltip"><code data-language="javascript" class="language-javascript">constructor <span class="token function">SchemaValidator</span><span class="token punctuation">(</span>validatorOptions<span class="token operator">:</span> <span class="token punctuation">{</span>
    minManifestVersion<span class="token operator">?</span><span class="token operator">:</span> <span class="token builtin">number</span><span class="token punctuation">;</span>
    maxManifestVersion<span class="token operator">?</span><span class="token operator">:</span> <span class="token builtin">number</span><span class="token punctuation">;</span>
    schemas<span class="token operator">?</span><span class="token operator">:</span> object<span class="token punctuation">;</span>
    schemaObject<span class="token operator">?</span><span class="token operator">:</span> object<span class="token punctuation">;</span>
    themeSchemaObject<span class="token operator">?</span><span class="token operator">:</span> object<span class="token punctuation">;</span>
    messagesSchemaObject<span class="token operator">?</span><span class="token operator">:</span> object<span class="token punctuation">;</span>
<span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token operator">:</span> SchemaValidator</code><div class="typing-tooltip-markup">Create a SchemaValidator instance, optionally customized by the given options.<br><br><em>@param</em> <code>validatorOptions</code></div></pre>

//...
//support draft-04
validator.addMetaSchema(draft4);

Object.keys(Schemas).forEach(function (key) {
  if (key === 'default') {
    return;
  }
  let val = Schemas[key];

  validator.addSchema(val, key);
});



//...
<pre class="typing-tooltip"><code data-language="javascript" class="language-javascript"><span class="token keyword">const</span> validator<span class="token operator">:</span> Ajv<span class="token punctuation">.</span>Ajv</code></pre>

apiValidator.loadSchemas = parser
    .dereference(path.resolve('src/backend/schema/index.json'))
    .then((schema) => {
        ajv.addSchema(schema);
        return schema;
    })
<pre class="typing-tooltip"><code data-language="javascript" class="language-javascript"><span class="token keyword">module</span> apiValidator
<span class="token keyword">function</span> <span class="token function">apiValidator</span><span class="token punctuation">(</span><span class="token parameter">schema<span class="token operator">:</span> any<span class="token punctuation">,</span> payload<span class="token operator">:</span> any</span><span class="token punctuation">)</span><span class="token operator">:</span> <span class="token builtin">Promise</span><span class="token operator">&lt;</span><span class="token builtin">any</span><span class="token operator">></span></code><div class="typing-tooltip-markup"><em>@param</em> <code>schema</code><br><br><em>@param</em> <code>payload</code><br><br><em>@returns</em></div></pre>

const ajv = new Ajv()
const validate = ajv.addSchema(defsSchema).compile(schema)
<pre class="typing-tooltip"><code data-language="javascript" class="language-javascript"><span class="token punctuation">(</span>alias<span class="token punctuation">)</span> <span class="token keyword">class</span> <span class="token class-name">ajv</span>
<span class="token keyword">import</span> ajv
<span class="token keyword">const</span> ajv<span class="token operator">:</span> Ajv</code></pre>

const ajv = new Ajv()
const validate = ajv.addSchema(defsSchema).compile(schema)
<pre class="typing-tooltip"><code data-language="javascript" class="language-javascript"><span class="token punctuation">(</span>alias<span class="token punctuation">)</span> <span class="token keyword">class</span> <span class="token class-name">ajv</span>
<span class="token keyword">import</span> ajv
<span class="token keyword">const</span> ajv<span class="token operator">:</span> Ajv</code></pre>

module.exports = function () {
	try {
		
		//...
if (pattern) {
			try {
				
				//...
if (!config.get('server.production') && config.get('code.validation.jsonSchema.live')) {
					if (fs.existsSync(pattern.schemaFilePath)) {
						
						//...
const valid = ajv.validate(schema, patternData);
						
						//...
}
				}
				
				//...
} catch (e) {
				
				//...
}
		}

		

		//...
} catch (e) {
		
		//...
}
}
<pre class="typing-tooltip"><code data-language="javascript" class="language-javascript"><span class="token keyword">module</span> <span class="token keyword">export</span><span class="token operator">=</span>
<span class="token punctuation">(</span>property<span class="token punctuation">)</span> <span class="token keyword">export</span><span class="token operator">=</span><span class="token operator">:</span> <span class="token punctuation">(</span><span class="token parameter"><span class="token operator">...</span>args<span class="token operator">:</span> any<span class="token punctuation">[</span><span class="token punctuation">]</span></span><span class="token punctuation">)</span> <span class="token operator">=></span> Handlebars<span class="token punctuation">.</span>SafeString</code></pre>

function validateJSON(data, schema) {
  const valid = ajv.validate(schema, data);
  return { valid, errors: ajv.errors || [] };
}

<pre class="typing-tooltip"><code data-language="javascript" class="language-javascript"><span class="token keyword">function</span> <span class="token function">validateJSON</span><span class="token punctuation">(</span><span class="token parameter">data<span class="token operator">:</span> any<span class="token punctuation">,</span> schema<span class="token operator">:</span> any</span><span class="token punctuation">)</span><span class="token operator">:</span> <span class="token builtin">boolean</span></code><div class="typing-tooltip-markup">Validates input data based on a specified schema<br><br><em>@param</em> <code>data</code> — The data to be validated<br><br><em>@param</em> <code>schema</code> — The schema to validate against<br><br><em>@returns</em> — - Will return true if the data is valid</div></pre>

module.exports = async function (options) {
	
	//...
return Promise.all([getSchema(options), getContent]).then(
		([schema, json]) => {
			const ajv = new Ajv({ extendRefs: true });
			const valid = ajv.validate(schema, json);
			if (valid) return json;
			ajv.errors.forEach((error) =>
				logger.error(error.message, error.dataPath)
			);

			throw new Error("Invalid dependencies");
		}
	);
}
<pre class="typing-tooltip"><code data-language="javascript" class="language-javascript"><span class="token keyword">module</span> <span class="token keyword">export</span><span class="token operator">=</span>
<span class="token punctuation">(</span>property<span class="token punctuation">)</span> <span class="token keyword">export</span><span class="token operator">=</span><span class="token operator">:</span> <span class="token punctuation">(</span><span class="token parameter">options<span class="token operator">:</span> any</span><span class="token punctuation">)</span> <span class="token operator">=></span> <span class="token builtin">Promise</span><span class="token operator">&lt;</span><span class="token builtin">any</span><span class="token operator">></span></code></pre>

const ajv = new Ajv({$data: true})

const schema = {
  properties: {
    smaller: {
      type: "number",
      maximum: {$data: "1/larger"},
    },
    larger: {type: "number"},
  },
}

const validData = {
  smaller: 5,
  larger: 7,
}

ajv.validate(schema, validData) // true
<pre class="typing-tooltip"><code data-language="javascript" class="language-javascript"><span class="token punctuation">(</span>alias<span class="token punctuation">)</span> <span class="token keyword">class</span> <span class="token class-name">ajv</span>
<span class="token keyword">import</span> ajv
<span class="token keyword">const</span> ajv<span class="token operator">:</span> Ajv</code></pre>