From 76cb9c2a39d477a64824a985ade40507e3bbade1 Mon Sep 17 00:00:00 2001
From: Adam Mathes <adam@adammathes.com>
Date: Fri, 13 Feb 2026 21:34:48 -0800
Subject: feat(vanilla): add testing infrastructure and tests (NK-wjnczv)

---
 .../node_modules/@vitest/utils/dist/constants.js   | 49 ++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 vanilla/node_modules/@vitest/utils/dist/constants.js

(limited to 'vanilla/node_modules/@vitest/utils/dist/constants.js')

diff --git a/vanilla/node_modules/@vitest/utils/dist/constants.js b/vanilla/node_modules/@vitest/utils/dist/constants.js
new file mode 100644
index 0000000..385045b
--- /dev/null
+++ b/vanilla/node_modules/@vitest/utils/dist/constants.js
@@ -0,0 +1,49 @@
+// TODO: this is all copy pasted from Vite - can they expose a module that exports only constants?
+const KNOWN_ASSET_TYPES = [
+	"apng",
+	"bmp",
+	"png",
+	"jpe?g",
+	"jfif",
+	"pjpeg",
+	"pjp",
+	"gif",
+	"svg",
+	"ico",
+	"webp",
+	"avif",
+	"mp4",
+	"webm",
+	"ogg",
+	"mp3",
+	"wav",
+	"flac",
+	"aac",
+	"woff2?",
+	"eot",
+	"ttf",
+	"otf",
+	"webmanifest",
+	"pdf",
+	"txt"
+];
+const KNOWN_ASSET_RE = new RegExp(`\\.(${KNOWN_ASSET_TYPES.join("|")})$`);
+const CSS_LANGS_RE = /\.(css|less|sass|scss|styl|stylus|pcss|postcss|sss)(?:$|\?)/;
+/**
+* Prefix for resolved Ids that are not valid browser import specifiers
+*/
+const VALID_ID_PREFIX = `/@id/`;
+/**
+* Plugins that use 'virtual modules' (e.g. for helper functions), prefix the
+* module ID with `\0`, a convention from the rollup ecosystem.
+* This prevents other plugins from trying to process the id (like node resolution),
+* and core features like sourcemaps can use this info to differentiate between
+* virtual modules and regular files.
+* `\0` is not a permitted char in import URLs so we have to replace them during
+* import analysis. The id will be decoded back before entering the plugins pipeline.
+* These encoded virtual ids are also prefixed by the VALID_ID_PREFIX, so virtual
+* modules in the browser end up encoded as `/@id/__x00__{id}`
+*/
+const NULL_BYTE_PLACEHOLDER = `__x00__`;
+
+export { CSS_LANGS_RE, KNOWN_ASSET_RE, KNOWN_ASSET_TYPES, NULL_BYTE_PLACEHOLDER, VALID_ID_PREFIX };
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