Instructions

A bundle must have instructions. Instructions tell FuseBox how to deal with your code,

Everything related

fuse.bundle("app").instructions("> index.ts");

Here we will bundle everything that's related to index.ts and execute it once the page is loaded

Isolating dependencies

If you are making vendor bundles, that will be handy. In this case we isolate our index.ts and bundle the actual user code, ignoring external dependencies.

.instructions("> [index.ts]")

In the example above we bundle without dependencies and execute on page load.

Dependencies only

That's useful if you want to make vendors.

We extract only external dependencies, ignoring user code by adding ~ symbol. For example:

.instructions("~ index.ts")

or:

.instructions(`~ **/**.{ts,tsx}`);

Arithmetic symbols

Here is a full list of arithmetic symbols in FuseBox

Symbol	Meaning
>	Automatically executes a file on load
+	adds a package / file
-	excludes a package / file
!	removes the loader API from a bundle
^	disables cache
~	Extract all external dependencies. Ignores the actual project files. Used to create vendors. ~ index.ts
[ ]	matches everything inside without dependencies
**/*.ts	matches every file using globs, with dependencies, experiment with globtester