diff --git a/.gitignore b/.gitignore
index dfa7854..ed70925 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,6 @@
 node_modules
 built
 package-lock.json
+
 temp
+syuilo-parser*
diff --git a/package.json b/package.json
index 5b11a7f..b9e04e9 100644
--- a/package.json
+++ b/package.json
@@ -6,8 +6,8 @@
   "scripts": {
     "build": "npm run peg && npm run tsc && npm run webpack",
     "build-dev": "npm run peg-dev && npm run tsc && npm run webpack-dev",
-    "peg": "mkdirp ./built/parser && pegjs -o built/parser/coreParser.js src/parser/coreParser.pegjs",
-    "peg-dev": "mkdirp ./built/parser && pegjs -o built/parser/coreParser.js --trace src/parser/coreParser.pegjs",
+    "peg": "mkdirp ./built/parser && pegjs -o built/parser/core-parser.js src/parser/core-parser.pegjs",
+    "peg-dev": "mkdirp ./built/parser && pegjs -o built/parser/core-parser.js --trace src/parser/core-parser.pegjs",
     "tsc": "tsc",
     "webpack": "webpack --mode=production",
     "webpack-dev": "webpack --mode=development",
@@ -26,5 +26,9 @@
     "typescript": "3.7.x",
     "webpack": "4.40.x",
     "webpack-cli": "3.3.x"
+  },
+  "dependencies": {
+    "@types/parsimmon": "^1.10.1",
+    "parsimmon": "^1.13.0"
   }
 }
diff --git a/src/client/mainEntry.ts b/src/client/main-entry.ts
similarity index 56%
rename from src/client/mainEntry.ts
rename to src/client/main-entry.ts
index 1fb7479..ac3038f 100644
--- a/src/client/mainEntry.ts
+++ b/src/client/main-entry.ts
@@ -1,13 +1,13 @@
-import { PegParser } from '../parser/pegParser';
+import { PegParser } from '../parser/peg-parser';
 
 async function entryPoint() {
-	const coreParser: PegParser = require('../../built/parser/coreParser.js');
+	const coreParser: PegParser = require('../../built/parser/core-parser.js');
 
 	const input = '[hoge]';
 	console.log('parsing input:', input);
 	const result = coreParser.parse(input);
 	console.log('parsing result:');
-	console.log(result);
+	console.log(JSON.stringify(result));
 }
 entryPoint()
 .catch(err => console.log(err));
diff --git a/src/index.ts b/src/index.ts
index a2c8589..9e1c11c 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,8 +1,8 @@
-import { PegParser } from './parser/pegParser';
+import { PegParser } from './parser/peg-parser';
 
-const coreParser: PegParser = require('./parser/coreParser');
+const coreParser: PegParser = require('./parser/core-parser');
 const input = '[hoge]';
 console.log('parsing input:', input);
 const result = coreParser.parse(input);
 console.log('parsing result:');
-console.log(result);
+console.log(JSON.stringify(result));
diff --git a/src/parser/coreParser.pegjs b/src/parser/core-parser.pegjs
similarity index 100%
rename from src/parser/coreParser.pegjs
rename to src/parser/core-parser.pegjs
diff --git a/src/parser/pegParser.d.ts b/src/parser/peg-parser.d.ts
similarity index 100%
rename from src/parser/pegParser.d.ts
rename to src/parser/peg-parser.d.ts
diff --git a/webpack.config.js b/webpack.config.js
index a2d36e3..3cca1c5 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -1,5 +1,5 @@
 module.exports = {
-	entry: './src/client/mainEntry.ts',
+	entry: './src/client/main-entry.ts',
 	output: {
 		path: `${__dirname}/built/client`,
 		publicPath: '/', // base path of URL