update docs

Author: bobzhang

jscomp/bsb/Docs.md

@@ -8,13 +8,9 @@ There's a `templates/` subdirectory. It's the thing shown when you do `bsb -them
 
 ## Add/edit a template
 
-The content of `templates` is packed into `bsb_templates.ml` automatically when running `pack-templates.sh`, located in this directory.
+The content of `templates` is packed into `bsb_templates.ml` automatically when running [pack.js](../../scripts/pack.js).
 
-When adding/editing a template the script needs to be rerun to update the relevant parts in `bsb_templates.ml`. The script uses [`ocamlres`](https://github.com/OCamlPro/ocp-ocamlres), a tool for embedding files inside ocaml executables. You will need to install it with [`opam`](https://opam.ocaml.org/doc/Install.html), ocaml package manager. Follow the [instructions](https://opam.ocaml.org/doc/Install.html) to install `opam`, if you haven't installed it yet. To install `ocp-ocamlres` run:
-
-```sh
-opam install ocp-ocamlres
-```
+When adding/editing a template the script needs to be rerun to update the relevant parts in `bsb_templates.ml`. 
 
 ## Testing a template locally
 

jscomp/bsb/pack-templates.sh

@@ -58,8 +58,12 @@ ${" ".repeat(indent)})`;
   return output;
 }
 
-function main() {
-  var output = child_process.spawnSync(`git clean -dfx templates`, {
+/**
+ *
+ * @param {string} templatesDir
+ */
+function main(templatesDir) {
+  var output = child_process.spawnSync(`git clean -dfx ${templatesDir}`, {
     shell: true,
     encoding: "utf-8",
   });
@@ -71,11 +75,9 @@ function main() {
     console.log(output.stderr);
   }
 
-  var templatesDir = path.join(__dirname, "templates");
-
   // run git clean -dfx . first
   fs.writeFileSync(
-    path.join(__dirname, "bsb_templates.ml"),
+    path.join(templatesDir, "..", "bsb_templates.ml"),
     `
 type  node = 
   | Dir of string *  node list 
@@ -90,5 +92,5 @@ ${fs
     "utf8"
   );
 }
-
-main();
+var templatesDir = path.join(__dirname, "..", "jscomp", "bsb", "templates");
+main(templatesDir);