1 files changed, 43 insertions, 0 deletions
diff --git a/config/webpack/plugins/create-rules-webpack-plugin.js b/config/webpack/plugins/create-rules-webpack-plugin.js
new file mode 100644
index 0000000..4a02e2f
--- /dev/null
+++ b/config/webpack/plugins/create-rules-webpack-plugin.js
@@ -0,0 +1,43 @@
+const path = require("path");
+const fs = require("fs");
+const { sources } = require("webpack");
+
+class CreateRulesPlugin {
+	apply(compiler) {
+		compiler.hooks.compilation.tap("CreateRulesPlugin", compilation => {
+			compilation.hooks.processAssets.tap(
+				{
+					name: "CreateRulesPlugin",
+					stage: compiler.webpack.Compilation.PROCESS_ASSETS_ADDITIONAL,
+					additionalAssets: true
+				},
+				assets => {
+					const ruleFileNames = fs.readdirSync(path.resolve(SOURCE_DIR, "rules"));
+					const rules = [];
+					let ruleId = 1;
+
+					for (const ruleFileName of ruleFileNames) {
+						const rule = require(path.resolve(SOURCE_DIR, "rules", ruleFileName));
+
+						if (rule instanceof Array) {
+							for (const rule of rule) {
+								rule.id = ruleId++;
+								rules.push(rule);
+							}
+						} else {
+							rule.id = ruleId++;
+							rules.push(rule);
+						}
+					}
+
+					compilation.emitAsset(
+						"rules.json",
+						new sources.RawSource(JSON.stringify(rules, undefined, process.env.NODE_ENV === "production" ? undefined : "\t"))
+					);
+				}
+			);
+		});
+	}
+}
+
+module.exports = CreateRulesPlugin;