Port old syntax build system (#331)

* Ignore typescript output

* Add OCaml grammar source

* Add typescript config

* Add syntax build script

* Add npm script to build syntaxes

* Add OCaml grammar build instructions

Author: ospencer

.gitignore

@@ -20,6 +20,7 @@ tmp
 *.vsix
 examples/markdown-reason-react/
 editor-extensions/vscode/*.zip
+editor-extensions/vscode/src/syntaxes/out
 bsb_modules
 _esy/
 bin.exe

Readme.md

@@ -150,6 +150,10 @@ I had a couple of reasons for starting a new one. The biggest is that I wanted s
 - Install the VS Code extension's dependencies `cd editor-extensions/vscode && npm i && cd ../..`
 - Open this project in VS Code
 
+### Building the OCaml grammar
+- Edit the files in editor-extensions/vscode/src/syntaxes
+- Run `cd editor-extensions/vscode && npm run build-syntaxes`
+
 ## To test your changes in one of the example projects
 - Open the "Debug" pane in VS Code. Select a debug target. Press "Run"
 - It should start up a window titled `[Extension development host]`

editor-extensions/vscode/package-lock.json

@@ -189,7 +189,8 @@
 		]
 	},
 	"scripts": {
-		"postinstall": "node ./node_modules/vscode/bin/install"
+		"postinstall": "node ./node_modules/vscode/bin/install",
+		"build-syntaxes": "tsc -p src/syntaxes && node script/syntax.js"
 	},
 	"dependencies": {
 		"vscode": "^1.1.17",

editor-extensions/vscode/package.json

@@ -0,0 +1,21 @@
+#!/usr/bin/env node
+
+const fs = require("fs");
+const path = require("path");
+const languages = ["ocaml"];
+
+function inPath(language) {
+  return path.resolve(".", "src", "syntaxes", "out", language);
+}
+
+function outPath(language) {
+  return path.resolve(".", `${language}.json`);
+}
+
+for (const language of languages) {
+  const from = inPath(language);
+  const into = outPath(language);
+  const data = require(from);
+  const json = JSON.stringify(data.default);
+  fs.writeFileSync(into, json);
+}