1 files changed, 37 insertions, 0 deletions
diff --git a/node_modules/ava/lib/beautify-stack.js b/node_modules/ava/lib/beautify-stack.js
new file mode 100644
index 000000000..189ed0714
--- /dev/null
+++ b/node_modules/ava/lib/beautify-stack.js
@@ -0,0 +1,37 @@
+'use strict';
+const StackUtils = require('stack-utils');
+const cleanStack = require('clean-stack');
+const debug = require('debug')('ava');
+
+// Ignore unimportant stack trace lines
+let ignoreStackLines = [];
+
+const avaInternals = /\/ava\/(?:lib\/)?[\w-]+\.js:\d+:\d+\)?$/;
+const avaDependencies = /\/node_modules\/(?:bluebird|empower-core|(?:ava\/node_modules\/)?(?:babel-runtime|core-js))\//;
+
+if (!debug.enabled) {
+	ignoreStackLines = StackUtils.nodeInternals();
+	ignoreStackLines.push(avaInternals);
+	ignoreStackLines.push(avaDependencies);
+}
+
+const stackUtils = new StackUtils({internals: ignoreStackLines});
+
+module.exports = stack => {
+	if (!stack) {
+		return '';
+	}
+
+	// Workaround for https://github.com/tapjs/stack-utils/issues/14
+	// TODO: fix it in `stack-utils`
+	stack = cleanStack(stack);
+
+	const title = stack.split('\n')[0];
+	const lines = stackUtils
+		.clean(stack)
+		.split('\n')
+		.map(x => `    ${x}`)
+		.join('\n');
+
+	return `${title}\n${lines}`;
+};