replace jest with ava

node_modules/ava/lib/worker/dependency-tracker.js

@@ -0,0 +1,47 @@
+/* eslint-disable node/no-deprecated-api */
+'use strict';
+const ipc = require('./ipc');
+
+const seenDependencies = new Set();
+let newDependencies = [];
+function flush() {
+	if (newDependencies.length === 0) {
+		return;
+	}
+
+	ipc.send({type: 'dependencies', dependencies: newDependencies});
+	newDependencies = [];
+}
+
+exports.flush = flush;
+
+function track(filename) {
+	if (seenDependencies.has(filename)) {
+		return;
+	}
+
+	if (newDependencies.length === 0) {
+		process.nextTick(flush);
+	}
+
+	seenDependencies.add(filename);
+	newDependencies.push(filename);
+}
+
+exports.track = track;
+
+function install(testPath) {
+	for (const ext of Object.keys(require.extensions)) {
+		const wrappedHandler = require.extensions[ext];
+
+		require.extensions[ext] = (module, filename) => {
+			if (filename !== testPath) {
+				track(filename);
+			}
+
+			wrappedHandler(module, filename);
+		};
+	}
+}
+
+exports.install = install;