Rewrite generator and update for Lemmy 0.18.3

README.md

@@ -2,7 +2,7 @@
 
 [![Go Reference](https://pkg.go.dev/badge/go.arsenm.dev/go-lemmy.svg)](https://pkg.go.dev/go.elara.ws/go-lemmy)
 
-Go bindings to the [Lemmy](https://join-lemmy.org) API, automatically generated directly from Lemmy's source code using the generator in [cmd/gen](cmd/gen).
+Go bindings to the [Lemmy](https://join-lemmy.org) API, automatically generated from Lemmy's source code using the generator in [cmd/gen](cmd/gen).
 
 Examples:
 
@@ -10,18 +10,24 @@ Examples:
 
 ### How to generate
 
-First, build the generator:
+First, clone the [lemmy-js-client](https://github.com/LemmyNet/lemmy-js-client) repo at whatever version you need:
+
+```bash
+git clone https://github.com/LemmyNet/lemmy-js-client -b 0.18.3
+```
+
+Inside it, build the JSON docs file:
+
+```bash
+npm run docs -- --json docs.json
+```
+
+Next, build the generator:
 
 ```bash
 go build ./cmd/gen
 ```
 
-Clone Lemmy's source code at whatever version you need:
-
-```bash
-git clone https://github.com/LemmyNet/lemmy -b 0.16.7
-```
-
 Remove all the existing generated code:
 
 ```bash
@@ -31,7 +37,7 @@ rm **/*.gen.go
 Execute the generator:
 
 ```bash
-./gen -out-dir .
+./gen -json-file <path_to_docs.json> -out-dir .
 ```
 
 And that's it! Your generated code should be ready for use.