wip

bin/web/src/lib/ndjson.spec.ts

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+import { describe, it, expect } from 'vitest';
+import { parse_ndjson } from './ndjson';
+
+describe('parsing newline-deliminated json', () => {
+	it('parses normal JSON', () => {
+        const json = JSON.stringify({ foo: 100 });
+        const result = parse_ndjson(json);
+        expect(result).toHaveLength(1);
+        expect(result[0]).toEqual({ foo: 100 });
+	});
+
+	it('parses simple newline-deliminated json', () => {
+        const json_a = JSON.stringify({ a: 100 });
+        const json_b = JSON.stringify({ b: 200 });
+        const result = parse_ndjson(`${json_a}\n${json_b}`);
+        expect(result).toHaveLength(2);
+        expect(result[0]).toEqual({ a: 100 });
+        expect(result[1]).toEqual({ b: 200 });
+	})
+
+	it('parses newline-deliminated json with escaped newlines within', () => {
+    	const json_a = JSON.stringify({ a: 'this one has\n newlines and\nstuff' });
+        const json_b = JSON.stringify({ b: 200 });
+        const result = parse_ndjson(`${json_a}\n${json_b}`);
+        expect(result).toHaveLength(2);
+        expect(result[0]).toEqual({ a: 'this one has\n newlines and\nstuff' });
+        expect(result[1]).toEqual({ b: 200 });
+	})
+
+    it('actually errors out on invalid ndjson', () => {
+        expect(() =>  parse_ndjson("invalid\njson")).toThrow();
+    });
+});