feat(vanilla): add testing infrastructure and tests (NK-wjnczv)

1 files changed, 42 insertions, 0 deletions

diff --git a/vanilla/node_modules/@vitest/utils/dist/error.js b/vanilla/node_modules/@vitest/utils/dist/error.js
new file mode 100644
index 0000000..14886d0
--- /dev/null
+++ b/vanilla/node_modules/@vitest/utils/dist/error.js
@@ -0,0 +1,42 @@
+import { printDiffOrStringify } from './diff.js';
+import { stringify } from './display.js';
+import { serializeValue } from './serialize.js';
+import '@vitest/pretty-format';
+import 'tinyrainbow';
+import './helpers.js';
+import './constants.js';
+import './chunk-_commonjsHelpers.js';
+
+function processError(_err, diffOptions, seen = new WeakSet()) {
+	if (!_err || typeof _err !== "object") {
+		return { message: String(_err) };
+	}
+	const err = _err;
+	if (err.showDiff || err.showDiff === undefined && err.expected !== undefined && err.actual !== undefined) {
+		err.diff = printDiffOrStringify(err.actual, err.expected, {
+			...diffOptions,
+			...err.diffOptions
+		});
+	}
+	if ("expected" in err && typeof err.expected !== "string") {
+		err.expected = stringify(err.expected, 10);
+	}
+	if ("actual" in err && typeof err.actual !== "string") {
+		err.actual = stringify(err.actual, 10);
+	}
+	// some Error implementations may not allow rewriting cause
+	// in most cases, the assignment will lead to "err.cause = err.cause"
+	try {
+		if (!seen.has(err) && typeof err.cause === "object") {
+			seen.add(err);
+			err.cause = processError(err.cause, diffOptions, seen);
+		}
+	} catch {}
+	try {
+		return serializeValue(err);
+	} catch (e) {
+		return serializeValue(new Error(`Failed to fully serialize error: ${e === null || e === void 0 ? void 0 : e.message}\nInner error message: ${err === null || err === void 0 ? void 0 : err.message}`));
+	}
+}
+
+export { processError, serializeValue as serializeError };