Use multiple instances

Makefile

@@ -24,7 +24,7 @@ dist/results/jsontoolkit/%: \
 	implementations/jsontoolkit/CMakeLists.txt \
 	implementations/jsontoolkit/main.cc \
 	schemas/%/schema.json \
-	schemas/%/instance.json \
+	schemas/%/instances.json \
 	| dist/results/jsontoolkit dist/temp/jsontoolkit
 	[ -d $(word 2,$|)/repo ] && git -C $(word 2,$|)/repo pull || git clone https://github.com/sourcemeta/jsontoolkit $(word 2,$|)/repo
 	cmake -S $(dir $<) -B $(word 2,$|)/build -DCMAKE_BUILD_TYPE:STRING=Release -DBUILD_SHARED_LIBS:BOOL=OFF
@@ -34,9 +34,9 @@ dist/results/jsontoolkit/%: \
 # AJV
 
 dist/results/ajv/%: \
-	implementations/ajv/main.js \
+	implementations/ajv/main.mjs \
 	schemas/%/schema.json \
-	schemas/%/instance.json \
+	schemas/%/instances.json \
 	node_modules \
 	| dist/results/ajv
 	node $< $(word 2,$^) $(word 3,$^) > $@

implementations/ajv/main.js → implementations/ajv/main.mjs

@@ -1,7 +1,8 @@
-const Ajv = require('ajv');
-const draft4schema = require('ajv/lib/refs/json-schema-draft-04.json');
-const fs = require('fs');
-const { performance } = require('perf_hooks');
+import Ajv from 'ajv';
+import draft4schema from 'ajv/lib/refs/json-schema-draft-04.json' assert { type: 'json' };
+import fs from 'fs';
+import readline from 'readline';
+import { performance } from 'perf_hooks';
 
 function readJSONFile(filePath) {
   try {
@@ -12,7 +13,16 @@ function readJSONFile(filePath) {
   }
 }
 
-function validateSchema(schemaPath, instancePath) {
+async function* readJSONLines(filePath) {
+  const rl = readline.createInterface({
+    input: fs.createReadStream(filePath),
+  });
+  for await (const line of rl) {
+    yield JSON.parse(line);
+  }
+}
+
+async function validateSchema(schemaPath, instancePath) {
   const schema = readJSONFile(schemaPath);
   const instance = readJSONFile(instancePath);
 
@@ -26,8 +36,10 @@ function validateSchema(schemaPath, instancePath) {
   const validate = ajv.compile(schema);
 
   const startTime = performance.now();
-  if (!validate(instance)) {
-    process.exit(1);
+  for await (const instance of readJSONLines(instancePath)) {
+    if (!validate(instance)) {
+      process.exit(1);
+    }
   }
 
   const endTime = performance.now();
@@ -43,4 +55,4 @@ if (process.argv.length !== 4) {
 const schemaPath = process.argv[2];
 const instancePath = process.argv[3];
 
-validateSchema(schemaPath, instancePath);
+await validateSchema(schemaPath, instancePath);

schemas/example/instances.json

@@ -0,0 +1 @@
+{"storeName":"TechGadgets Online","lastUpdated":"2024-08-27T14:30:00Z","categories":["Electronics","Accessories","Smart Home"],"products":[{"id":"PRD-EL-000001","name":"SuperSound Wireless Headphones","description":"High-quality wireless headphones with noise-cancelling technology.","price":129.99,"category":"Electronics","tags":["audio","wireless","headphones"],"inStock":true,"rating":{"average":4.7,"count":253}},{"id":"PRD-AC-000015","name":"DuraPro Phone Case","description":"Rugged phone case for ultimate protection.","price":24.95,"category":"Accessories","tags":["phone","protection"],"inStock":true,"rating":{"average":4.2,"count":187}},{"id":"PRD-SH-000008","name":"SmartHome Hub","description":"Central control unit for your smart home devices.","price":79.99,"category":"Smart Home","tags":["iot","control","automation"],"inStock":false,"rating":{"average":4.5,"count":42}}]}