diff --git a/.babelrc b/.babelrc
new file mode 100644
index 0000000000..3fea2ed8ac
--- /dev/null
+++ b/.babelrc
@@ -0,0 +1,10 @@
+{
+    "env": {
+      "test": {
+        "presets": [
+          ["env", { "targets": { "node": 8 }}]
+        ]
+      }
+    }
+  }
+  
\ No newline at end of file
diff --git a/lib/loader/blog.js b/lib/loader/blog.js
index e69de29bb2..c654e67096 100644
--- a/lib/loader/blog.js
+++ b/lib/loader/blog.js
@@ -0,0 +1,52 @@
+const fs = require('fs-extra');
+const path = require('path');
+const fm = require('front-matter');
+const globby = require('globby');
+const indexRE = /(^|.*\/)index\.md$/i;
+const extRE = /\.md$/;
+
+function fileToPath(file) {
+  if (indexRE.test(file)) {
+    // index.md -> /
+    // foo/index.md -> /foo/
+    return file.replace(indexRE, '/$1');
+  } else {
+    // foo.md -> /foo.html
+    // foo/bar.md -> /foo/bar.html
+    return `/${file.replace(extRE, '').replace(/\\/g, '/')}.html`;
+  }
+}
+
+function parse(fileString) {
+  if (!fm.test(fileString)) {
+    return {metadata: null, content: fileString};
+  }
+  const {attributes: metadata, body: content} = fm(fileString);
+
+  return {metadata, content};
+}
+
+async function loadBlog(sourceDir) {
+  const blogFiles = await globby(['**/*.md', '!.blogi', '!node_modules'], {
+    cwd: sourceDir
+  });
+
+  const blogDatas = await Promise.all(
+    blogFiles.map(async file => {
+      const filepath = path.resolve(sourceDir, file);
+      const fileString = await fs.readFile(filepath, 'utf-8');
+      const {metadata, content} = parse(fileString);
+
+      return {
+        path: fileToPath(file),
+        content: content,
+        title: metadata.title,
+        date: metadata.date
+      };
+    })
+  );
+  blogDatas.sort((a, b) => b.date - a.date);
+  return blogDatas;
+}
+
+module.exports = loadBlog;
diff --git a/lib/loader/index.js b/lib/loader/index.js
index 7df5836cd9..d983770936 100644
--- a/lib/loader/index.js
+++ b/lib/loader/index.js
@@ -1,12 +1,18 @@
 const path = require('path');
 const loadConfig = require('./config');
+const loadBlog = require('./blog');
 
 module.exports = async function load(sourceDir) {
   // 1. load siteConfig
   const siteConfig = loadConfig(sourceDir);
 
-  // 2. extract metadata from markdown files
-  const metadatas = [];
+  // 2. extract data from all blog files
+  const blogDatas = await loadBlog(sourceDir);
 
-  return null; // todo
+  // 3. TODO
+
+  return {
+    siteConfig,
+    blogDatas
+  };
 };
diff --git a/package.json b/package.json
index b22a1b204c..95e52a68b4 100644
--- a/package.json
+++ b/package.json
@@ -29,6 +29,7 @@
   },
   "homepage": "https://github.com/endiliey/blogi#readme",
   "devDependencies": {
+    "babel-preset-env": "^1.7.0",
     "eslint": "^4.19.1",
     "eslint-config-airbnb": "17.0.0",
     "eslint-config-prettier": "^2.9.0",
@@ -43,7 +44,9 @@
     "chokidar": "^2.0.4",
     "commander": "^2.16.0",
     "connect-history-api-fallback": "^1.5.0",
+    "front-matter": "^2.3.0",
     "fs-extra": "^7.0.0",
+    "globby": "^8.0.1",
     "koa-connect": "^2.0.1",
     "koa-convert": "^1.2.0",
     "koa-mount": "^3.0.0",
@@ -59,7 +62,10 @@
     "node": ">=8"
   },
   "jest": {
-    "testPathIgnorePatterns": ["/node_modules/", "__fixtures__"],
+    "testPathIgnorePatterns": [
+      "/node_modules/",
+      "__fixtures__"
+    ],
     "testEnvironment": "node"
   }
 }
diff --git a/test/loader/__fixtures__/custom/foo/bar.md b/test/loader/__fixtures__/custom/foo/bar.md
new file mode 100644
index 0000000000..ba294597fd
--- /dev/null
+++ b/test/loader/__fixtures__/custom/foo/bar.md
@@ -0,0 +1,6 @@
+---
+title: Lorem ipsum
+date: 2018-06-20
+---
+
+Lorem ipsum
diff --git a/test/loader/__fixtures__/custom/foo/baz.md b/test/loader/__fixtures__/custom/foo/baz.md
new file mode 100644
index 0000000000..c4e0cbf40d
--- /dev/null
+++ b/test/loader/__fixtures__/custom/foo/baz.md
@@ -0,0 +1,5 @@
+---
+title: Baz
+date: 2018-05-20
+---
+Life is so good
diff --git a/test/loader/__fixtures__/custom/hello.md b/test/loader/__fixtures__/custom/hello.md
index b846caae80..6d86ef4978 100644
--- a/test/loader/__fixtures__/custom/hello.md
+++ b/test/loader/__fixtures__/custom/hello.md
@@ -1,5 +1,6 @@
 ---
 title: Hello, World !
+date: 2018-07-28
 ---
 
 Hello World
diff --git a/test/loader/__fixtures__/simple/hello.md b/test/loader/__fixtures__/simple/hello.md
index b846caae80..6d86ef4978 100644
--- a/test/loader/__fixtures__/simple/hello.md
+++ b/test/loader/__fixtures__/simple/hello.md
@@ -1,5 +1,6 @@
 ---
 title: Hello, World !
+date: 2018-07-28
 ---
 
 Hello World
diff --git a/test/loader/__snapshots__/blog.test.js.snap b/test/loader/__snapshots__/blog.test.js.snap
new file mode 100644
index 0000000000..04dd3fe1ad
--- /dev/null
+++ b/test/loader/__snapshots__/blog.test.js.snap
@@ -0,0 +1,46 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`loadBlog custom 1`] = `
+Array [
+  Object {
+    "content": "
+
+Hello World
+",
+    "date": 2018-07-28T00:00:00.000Z,
+    "path": "/hello.html",
+    "title": "Hello, World !",
+  },
+  Object {
+    "content": "
+
+Lorem ipsum
+",
+    "date": 2018-06-20T00:00:00.000Z,
+    "path": "/foo/bar.html",
+    "title": "Lorem ipsum",
+  },
+  Object {
+    "content": "
+Life is so good
+",
+    "date": 2018-05-20T00:00:00.000Z,
+    "path": "/foo/baz.html",
+    "title": "Baz",
+  },
+]
+`;
+
+exports[`loadBlog simple 1`] = `
+Array [
+  Object {
+    "content": "
+
+Hello World
+",
+    "date": 2018-07-28T00:00:00.000Z,
+    "path": "/hello.html",
+    "title": "Hello, World !",
+  },
+]
+`;
diff --git a/test/loader/__snapshots__/config.test.js.snap b/test/loader/__snapshots__/config.test.js.snap
new file mode 100644
index 0000000000..21049a5948
--- /dev/null
+++ b/test/loader/__snapshots__/config.test.js.snap
@@ -0,0 +1,17 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`loadConfig custom 1`] = `
+Object {
+  "base": "blogi",
+  "description": "Hello World",
+  "dest": "blogi",
+  "title": "Hello World",
+}
+`;
+
+exports[`loadConfig simple 1`] = `
+Object {
+  "description": "Hello World",
+  "title": "Hello World",
+}
+`;
diff --git a/test/loader/blog.test.js b/test/loader/blog.test.js
new file mode 100644
index 0000000000..df36780dbc
--- /dev/null
+++ b/test/loader/blog.test.js
@@ -0,0 +1,18 @@
+const path = require('path');
+const fs = require('fs');
+const loadBlog = require('../../lib/loader/blog');
+
+describe('loadBlog', () => {
+  const simpleDir = path.join(__dirname, '__fixtures__', 'simple');
+  const customDir = path.join(__dirname, '__fixtures__', 'custom');
+
+  test('simple', async () => {
+    const blogDatas = await loadBlog(simpleDir);
+    expect(blogDatas).toMatchSnapshot();
+  });
+
+  test('custom', async () => {
+    const blogDatas = await loadBlog(customDir);
+    expect(blogDatas).toMatchSnapshot();
+  });
+});
diff --git a/test/loader/config.test.js b/test/loader/config.test.js
index c4aab7892b..6965ac2dd6 100644
--- a/test/loader/config.test.js
+++ b/test/loader/config.test.js
@@ -7,22 +7,10 @@ describe('loadConfig', () => {
   const customDir = path.join(__dirname, '__fixtures__', 'custom');
 
   test('simple', () => {
-    expect(loadConfig(simpleDir)).toMatchInlineSnapshot(`
-Object {
-  "description": "Hello World",
-  "title": "Hello World",
-}
-`);
+    expect(loadConfig(simpleDir)).toMatchSnapshot();
   });
 
   test('custom', () => {
-    expect(loadConfig(customDir)).toMatchInlineSnapshot(`
-Object {
-  "base": "blogi",
-  "description": "Hello World",
-  "dest": "blogi",
-  "title": "Hello World",
-}
-`);
+    expect(loadConfig(customDir)).toMatchSnapshot();
   });
 });
diff --git a/yarn.lock b/yarn.lock
index 24dff61014..f48ee10b84 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -16,6 +16,17 @@
     esutils "^2.0.2"
     js-tokens "^3.0.0"
 
+"@mrmlnc/readdir-enhanced@^2.2.1":
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/@mrmlnc/readdir-enhanced/-/readdir-enhanced-2.2.1.tgz#524af240d1a360527b730475ecfa1344aa540dde"
+  dependencies:
+    call-me-maybe "^1.0.1"
+    glob-to-regexp "^0.3.0"
+
+"@nodelib/fs.stat@^1.0.1":
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/@nodelib/fs.stat/-/fs.stat-1.1.0.tgz#50c1e2260ac0ed9439a181de3725a0168d59c48a"
+
 "@shellscape/koa-send@^4.1.0":
   version "4.1.3"
   resolved "https://registry.yarnpkg.com/@shellscape/koa-send/-/koa-send-4.1.3.tgz#1a7c8df21f63487e060b7bfd8ed82e1d3c4ae0b0"
@@ -545,6 +556,100 @@ babel-generator@^6.18.0, babel-generator@^6.26.0:
     source-map "^0.5.7"
     trim-right "^1.0.1"
 
+babel-helper-builder-binary-assignment-operator-visitor@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-helper-builder-binary-assignment-operator-visitor/-/babel-helper-builder-binary-assignment-operator-visitor-6.24.1.tgz#cce4517ada356f4220bcae8a02c2b346f9a56664"
+  dependencies:
+    babel-helper-explode-assignable-expression "^6.24.1"
+    babel-runtime "^6.22.0"
+    babel-types "^6.24.1"
+
+babel-helper-call-delegate@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-helper-call-delegate/-/babel-helper-call-delegate-6.24.1.tgz#ece6aacddc76e41c3461f88bfc575bd0daa2df8d"
+  dependencies:
+    babel-helper-hoist-variables "^6.24.1"
+    babel-runtime "^6.22.0"
+    babel-traverse "^6.24.1"
+    babel-types "^6.24.1"
+
+babel-helper-define-map@^6.24.1:
+  version "6.26.0"
+  resolved "https://registry.yarnpkg.com/babel-helper-define-map/-/babel-helper-define-map-6.26.0.tgz#a5f56dab41a25f97ecb498c7ebaca9819f95be5f"
+  dependencies:
+    babel-helper-function-name "^6.24.1"
+    babel-runtime "^6.26.0"
+    babel-types "^6.26.0"
+    lodash "^4.17.4"
+
+babel-helper-explode-assignable-expression@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-helper-explode-assignable-expression/-/babel-helper-explode-assignable-expression-6.24.1.tgz#f25b82cf7dc10433c55f70592d5746400ac22caa"
+  dependencies:
+    babel-runtime "^6.22.0"
+    babel-traverse "^6.24.1"
+    babel-types "^6.24.1"
+
+babel-helper-function-name@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-helper-function-name/-/babel-helper-function-name-6.24.1.tgz#d3475b8c03ed98242a25b48351ab18399d3580a9"
+  dependencies:
+    babel-helper-get-function-arity "^6.24.1"
+    babel-runtime "^6.22.0"
+    babel-template "^6.24.1"
+    babel-traverse "^6.24.1"
+    babel-types "^6.24.1"
+
+babel-helper-get-function-arity@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-helper-get-function-arity/-/babel-helper-get-function-arity-6.24.1.tgz#8f7782aa93407c41d3aa50908f89b031b1b6853d"
+  dependencies:
+    babel-runtime "^6.22.0"
+    babel-types "^6.24.1"
+
+babel-helper-hoist-variables@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-helper-hoist-variables/-/babel-helper-hoist-variables-6.24.1.tgz#1ecb27689c9d25513eadbc9914a73f5408be7a76"
+  dependencies:
+    babel-runtime "^6.22.0"
+    babel-types "^6.24.1"
+
+babel-helper-optimise-call-expression@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-helper-optimise-call-expression/-/babel-helper-optimise-call-expression-6.24.1.tgz#f7a13427ba9f73f8f4fa993c54a97882d1244257"
+  dependencies:
+    babel-runtime "^6.22.0"
+    babel-types "^6.24.1"
+
+babel-helper-regex@^6.24.1:
+  version "6.26.0"
+  resolved "https://registry.yarnpkg.com/babel-helper-regex/-/babel-helper-regex-6.26.0.tgz#325c59f902f82f24b74faceed0363954f6495e72"
+  dependencies:
+    babel-runtime "^6.26.0"
+    babel-types "^6.26.0"
+    lodash "^4.17.4"
+
+babel-helper-remap-async-to-generator@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-helper-remap-async-to-generator/-/babel-helper-remap-async-to-generator-6.24.1.tgz#5ec581827ad723fecdd381f1c928390676e4551b"
+  dependencies:
+    babel-helper-function-name "^6.24.1"
+    babel-runtime "^6.22.0"
+    babel-template "^6.24.1"
+    babel-traverse "^6.24.1"
+    babel-types "^6.24.1"
+
+babel-helper-replace-supers@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-helper-replace-supers/-/babel-helper-replace-supers-6.24.1.tgz#bf6dbfe43938d17369a213ca8a8bf74b6a90ab1a"
+  dependencies:
+    babel-helper-optimise-call-expression "^6.24.1"
+    babel-messages "^6.23.0"
+    babel-runtime "^6.22.0"
+    babel-template "^6.24.1"
+    babel-traverse "^6.24.1"
+    babel-types "^6.24.1"
+
 babel-helpers@^6.24.1:
   version "6.24.1"
   resolved "https://registry.yarnpkg.com/babel-helpers/-/babel-helpers-6.24.1.tgz#3471de9caec388e5c850e597e58a26ddf37602b2"
@@ -565,6 +670,12 @@ babel-messages@^6.23.0:
   dependencies:
     babel-runtime "^6.22.0"
 
+babel-plugin-check-es2015-constants@^6.22.0:
+  version "6.22.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-check-es2015-constants/-/babel-plugin-check-es2015-constants-6.22.0.tgz#35157b101426fd2ffd3da3f75c7d1e91835bbf8a"
+  dependencies:
+    babel-runtime "^6.22.0"
+
 babel-plugin-istanbul@^4.1.6:
   version "4.1.6"
   resolved "https://registry.yarnpkg.com/babel-plugin-istanbul/-/babel-plugin-istanbul-4.1.6.tgz#36c59b2192efce81c5b378321b74175add1c9a45"
@@ -578,10 +689,254 @@ babel-plugin-jest-hoist@^23.2.0:
   version "23.2.0"
   resolved "https://registry.yarnpkg.com/babel-plugin-jest-hoist/-/babel-plugin-jest-hoist-23.2.0.tgz#e61fae05a1ca8801aadee57a6d66b8cefaf44167"
 
+babel-plugin-syntax-async-functions@^6.8.0:
+  version "6.13.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-syntax-async-functions/-/babel-plugin-syntax-async-functions-6.13.0.tgz#cad9cad1191b5ad634bf30ae0872391e0647be95"
+
+babel-plugin-syntax-exponentiation-operator@^6.8.0:
+  version "6.13.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-syntax-exponentiation-operator/-/babel-plugin-syntax-exponentiation-operator-6.13.0.tgz#9ee7e8337290da95288201a6a57f4170317830de"
+
 babel-plugin-syntax-object-rest-spread@^6.13.0:
   version "6.13.0"
   resolved "https://registry.yarnpkg.com/babel-plugin-syntax-object-rest-spread/-/babel-plugin-syntax-object-rest-spread-6.13.0.tgz#fd6536f2bce13836ffa3a5458c4903a597bb3bf5"
 
+babel-plugin-syntax-trailing-function-commas@^6.22.0:
+  version "6.22.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-syntax-trailing-function-commas/-/babel-plugin-syntax-trailing-function-commas-6.22.0.tgz#ba0360937f8d06e40180a43fe0d5616fff532cf3"
+
+babel-plugin-transform-async-to-generator@^6.22.0:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-async-to-generator/-/babel-plugin-transform-async-to-generator-6.24.1.tgz#6536e378aff6cb1d5517ac0e40eb3e9fc8d08761"
+  dependencies:
+    babel-helper-remap-async-to-generator "^6.24.1"
+    babel-plugin-syntax-async-functions "^6.8.0"
+    babel-runtime "^6.22.0"
+
+babel-plugin-transform-es2015-arrow-functions@^6.22.0:
+  version "6.22.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-arrow-functions/-/babel-plugin-transform-es2015-arrow-functions-6.22.0.tgz#452692cb711d5f79dc7f85e440ce41b9f244d221"
+  dependencies:
+    babel-runtime "^6.22.0"
+
+babel-plugin-transform-es2015-block-scoped-functions@^6.22.0:
+  version "6.22.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-block-scoped-functions/-/babel-plugin-transform-es2015-block-scoped-functions-6.22.0.tgz#bbc51b49f964d70cb8d8e0b94e820246ce3a6141"
+  dependencies:
+    babel-runtime "^6.22.0"
+
+babel-plugin-transform-es2015-block-scoping@^6.23.0:
+  version "6.26.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-block-scoping/-/babel-plugin-transform-es2015-block-scoping-6.26.0.tgz#d70f5299c1308d05c12f463813b0a09e73b1895f"
+  dependencies:
+    babel-runtime "^6.26.0"
+    babel-template "^6.26.0"
+    babel-traverse "^6.26.0"
+    babel-types "^6.26.0"
+    lodash "^4.17.4"
+
+babel-plugin-transform-es2015-classes@^6.23.0:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-classes/-/babel-plugin-transform-es2015-classes-6.24.1.tgz#5a4c58a50c9c9461e564b4b2a3bfabc97a2584db"
+  dependencies:
+    babel-helper-define-map "^6.24.1"
+    babel-helper-function-name "^6.24.1"
+    babel-helper-optimise-call-expression "^6.24.1"
+    babel-helper-replace-supers "^6.24.1"
+    babel-messages "^6.23.0"
+    babel-runtime "^6.22.0"
+    babel-template "^6.24.1"
+    babel-traverse "^6.24.1"
+    babel-types "^6.24.1"
+
+babel-plugin-transform-es2015-computed-properties@^6.22.0:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-computed-properties/-/babel-plugin-transform-es2015-computed-properties-6.24.1.tgz#6fe2a8d16895d5634f4cd999b6d3480a308159b3"
+  dependencies:
+    babel-runtime "^6.22.0"
+    babel-template "^6.24.1"
+
+babel-plugin-transform-es2015-destructuring@^6.23.0:
+  version "6.23.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-destructuring/-/babel-plugin-transform-es2015-destructuring-6.23.0.tgz#997bb1f1ab967f682d2b0876fe358d60e765c56d"
+  dependencies:
+    babel-runtime "^6.22.0"
+
+babel-plugin-transform-es2015-duplicate-keys@^6.22.0:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-duplicate-keys/-/babel-plugin-transform-es2015-duplicate-keys-6.24.1.tgz#73eb3d310ca969e3ef9ec91c53741a6f1576423e"
+  dependencies:
+    babel-runtime "^6.22.0"
+    babel-types "^6.24.1"
+
+babel-plugin-transform-es2015-for-of@^6.23.0:
+  version "6.23.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-for-of/-/babel-plugin-transform-es2015-for-of-6.23.0.tgz#f47c95b2b613df1d3ecc2fdb7573623c75248691"
+  dependencies:
+    babel-runtime "^6.22.0"
+
+babel-plugin-transform-es2015-function-name@^6.22.0:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-function-name/-/babel-plugin-transform-es2015-function-name-6.24.1.tgz#834c89853bc36b1af0f3a4c5dbaa94fd8eacaa8b"
+  dependencies:
+    babel-helper-function-name "^6.24.1"
+    babel-runtime "^6.22.0"
+    babel-types "^6.24.1"
+
+babel-plugin-transform-es2015-literals@^6.22.0:
+  version "6.22.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-literals/-/babel-plugin-transform-es2015-literals-6.22.0.tgz#4f54a02d6cd66cf915280019a31d31925377ca2e"
+  dependencies:
+    babel-runtime "^6.22.0"
+
+babel-plugin-transform-es2015-modules-amd@^6.22.0, babel-plugin-transform-es2015-modules-amd@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-modules-amd/-/babel-plugin-transform-es2015-modules-amd-6.24.1.tgz#3b3e54017239842d6d19c3011c4bd2f00a00d154"
+  dependencies:
+    babel-plugin-transform-es2015-modules-commonjs "^6.24.1"
+    babel-runtime "^6.22.0"
+    babel-template "^6.24.1"
+
+babel-plugin-transform-es2015-modules-commonjs@^6.23.0, babel-plugin-transform-es2015-modules-commonjs@^6.24.1:
+  version "6.26.2"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-modules-commonjs/-/babel-plugin-transform-es2015-modules-commonjs-6.26.2.tgz#58a793863a9e7ca870bdc5a881117ffac27db6f3"
+  dependencies:
+    babel-plugin-transform-strict-mode "^6.24.1"
+    babel-runtime "^6.26.0"
+    babel-template "^6.26.0"
+    babel-types "^6.26.0"
+
+babel-plugin-transform-es2015-modules-systemjs@^6.23.0:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-modules-systemjs/-/babel-plugin-transform-es2015-modules-systemjs-6.24.1.tgz#ff89a142b9119a906195f5f106ecf305d9407d23"
+  dependencies:
+    babel-helper-hoist-variables "^6.24.1"
+    babel-runtime "^6.22.0"
+    babel-template "^6.24.1"
+
+babel-plugin-transform-es2015-modules-umd@^6.23.0:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-modules-umd/-/babel-plugin-transform-es2015-modules-umd-6.24.1.tgz#ac997e6285cd18ed6176adb607d602344ad38468"
+  dependencies:
+    babel-plugin-transform-es2015-modules-amd "^6.24.1"
+    babel-runtime "^6.22.0"
+    babel-template "^6.24.1"
+
+babel-plugin-transform-es2015-object-super@^6.22.0:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-object-super/-/babel-plugin-transform-es2015-object-super-6.24.1.tgz#24cef69ae21cb83a7f8603dad021f572eb278f8d"
+  dependencies:
+    babel-helper-replace-supers "^6.24.1"
+    babel-runtime "^6.22.0"
+
+babel-plugin-transform-es2015-parameters@^6.23.0:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-parameters/-/babel-plugin-transform-es2015-parameters-6.24.1.tgz#57ac351ab49caf14a97cd13b09f66fdf0a625f2b"
+  dependencies:
+    babel-helper-call-delegate "^6.24.1"
+    babel-helper-get-function-arity "^6.24.1"
+    babel-runtime "^6.22.0"
+    babel-template "^6.24.1"
+    babel-traverse "^6.24.1"
+    babel-types "^6.24.1"
+
+babel-plugin-transform-es2015-shorthand-properties@^6.22.0:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-shorthand-properties/-/babel-plugin-transform-es2015-shorthand-properties-6.24.1.tgz#24f875d6721c87661bbd99a4622e51f14de38aa0"
+  dependencies:
+    babel-runtime "^6.22.0"
+    babel-types "^6.24.1"
+
+babel-plugin-transform-es2015-spread@^6.22.0:
+  version "6.22.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-spread/-/babel-plugin-transform-es2015-spread-6.22.0.tgz#d6d68a99f89aedc4536c81a542e8dd9f1746f8d1"
+  dependencies:
+    babel-runtime "^6.22.0"
+
+babel-plugin-transform-es2015-sticky-regex@^6.22.0:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-sticky-regex/-/babel-plugin-transform-es2015-sticky-regex-6.24.1.tgz#00c1cdb1aca71112cdf0cf6126c2ed6b457ccdbc"
+  dependencies:
+    babel-helper-regex "^6.24.1"
+    babel-runtime "^6.22.0"
+    babel-types "^6.24.1"
+
+babel-plugin-transform-es2015-template-literals@^6.22.0:
+  version "6.22.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-template-literals/-/babel-plugin-transform-es2015-template-literals-6.22.0.tgz#a84b3450f7e9f8f1f6839d6d687da84bb1236d8d"
+  dependencies:
+    babel-runtime "^6.22.0"
+
+babel-plugin-transform-es2015-typeof-symbol@^6.23.0:
+  version "6.23.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-typeof-symbol/-/babel-plugin-transform-es2015-typeof-symbol-6.23.0.tgz#dec09f1cddff94b52ac73d505c84df59dcceb372"
+  dependencies:
+    babel-runtime "^6.22.0"
+
+babel-plugin-transform-es2015-unicode-regex@^6.22.0:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-unicode-regex/-/babel-plugin-transform-es2015-unicode-regex-6.24.1.tgz#d38b12f42ea7323f729387f18a7c5ae1faeb35e9"
+  dependencies:
+    babel-helper-regex "^6.24.1"
+    babel-runtime "^6.22.0"
+    regexpu-core "^2.0.0"
+
+babel-plugin-transform-exponentiation-operator@^6.22.0:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-exponentiation-operator/-/babel-plugin-transform-exponentiation-operator-6.24.1.tgz#2ab0c9c7f3098fa48907772bb813fe41e8de3a0e"
+  dependencies:
+    babel-helper-builder-binary-assignment-operator-visitor "^6.24.1"
+    babel-plugin-syntax-exponentiation-operator "^6.8.0"
+    babel-runtime "^6.22.0"
+
+babel-plugin-transform-regenerator@^6.22.0:
+  version "6.26.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-regenerator/-/babel-plugin-transform-regenerator-6.26.0.tgz#e0703696fbde27f0a3efcacf8b4dca2f7b3a8f2f"
+  dependencies:
+    regenerator-transform "^0.10.0"
+
+babel-plugin-transform-strict-mode@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-strict-mode/-/babel-plugin-transform-strict-mode-6.24.1.tgz#d5faf7aa578a65bbe591cf5edae04a0c67020758"
+  dependencies:
+    babel-runtime "^6.22.0"
+    babel-types "^6.24.1"
+
+babel-preset-env@^1.7.0:
+  version "1.7.0"
+  resolved "https://registry.yarnpkg.com/babel-preset-env/-/babel-preset-env-1.7.0.tgz#dea79fa4ebeb883cd35dab07e260c1c9c04df77a"
+  dependencies:
+    babel-plugin-check-es2015-constants "^6.22.0"
+    babel-plugin-syntax-trailing-function-commas "^6.22.0"
+    babel-plugin-transform-async-to-generator "^6.22.0"
+    babel-plugin-transform-es2015-arrow-functions "^6.22.0"
+    babel-plugin-transform-es2015-block-scoped-functions "^6.22.0"
+    babel-plugin-transform-es2015-block-scoping "^6.23.0"
+    babel-plugin-transform-es2015-classes "^6.23.0"
+    babel-plugin-transform-es2015-computed-properties "^6.22.0"
+    babel-plugin-transform-es2015-destructuring "^6.23.0"
+    babel-plugin-transform-es2015-duplicate-keys "^6.22.0"
+    babel-plugin-transform-es2015-for-of "^6.23.0"
+    babel-plugin-transform-es2015-function-name "^6.22.0"
+    babel-plugin-transform-es2015-literals "^6.22.0"
+    babel-plugin-transform-es2015-modules-amd "^6.22.0"
+    babel-plugin-transform-es2015-modules-commonjs "^6.23.0"
+    babel-plugin-transform-es2015-modules-systemjs "^6.23.0"
+    babel-plugin-transform-es2015-modules-umd "^6.23.0"
+    babel-plugin-transform-es2015-object-super "^6.22.0"
+    babel-plugin-transform-es2015-parameters "^6.23.0"
+    babel-plugin-transform-es2015-shorthand-properties "^6.22.0"
+    babel-plugin-transform-es2015-spread "^6.22.0"
+    babel-plugin-transform-es2015-sticky-regex "^6.22.0"
+    babel-plugin-transform-es2015-template-literals "^6.22.0"
+    babel-plugin-transform-es2015-typeof-symbol "^6.23.0"
+    babel-plugin-transform-es2015-unicode-regex "^6.22.0"
+    babel-plugin-transform-exponentiation-operator "^6.22.0"
+    babel-plugin-transform-regenerator "^6.22.0"
+    browserslist "^3.2.6"
+    invariant "^2.2.2"
+    semver "^5.3.0"
+
 babel-preset-jest@^23.2.0:
   version "23.2.0"
   resolved "https://registry.yarnpkg.com/babel-preset-jest/-/babel-preset-jest-23.2.0.tgz#8ec7a03a138f001a1a8fb1e8113652bf1a55da46"
@@ -601,7 +956,7 @@ babel-register@^6.26.0:
     mkdirp "^0.5.1"
     source-map-support "^0.4.15"
 
-babel-runtime@^6.22.0, babel-runtime@^6.26.0:
+babel-runtime@^6.18.0, babel-runtime@^6.22.0, babel-runtime@^6.26.0:
   version "6.26.0"
   resolved "https://registry.yarnpkg.com/babel-runtime/-/babel-runtime-6.26.0.tgz#965c7058668e82b55d7bfe04ff2337bc8b5647fe"
   dependencies:
@@ -618,7 +973,7 @@ babel-template@^6.16.0, babel-template@^6.24.1, babel-template@^6.26.0:
     babylon "^6.18.0"
     lodash "^4.17.4"
 
-babel-traverse@^6.0.0, babel-traverse@^6.18.0, babel-traverse@^6.26.0:
+babel-traverse@^6.0.0, babel-traverse@^6.18.0, babel-traverse@^6.24.1, babel-traverse@^6.26.0:
   version "6.26.0"
   resolved "https://registry.yarnpkg.com/babel-traverse/-/babel-traverse-6.26.0.tgz#46a9cbd7edcc62c8e5c064e2d2d8d0f4035766ee"
   dependencies:
@@ -632,7 +987,7 @@ babel-traverse@^6.0.0, babel-traverse@^6.18.0, babel-traverse@^6.26.0:
     invariant "^2.2.2"
     lodash "^4.17.4"
 
-babel-types@^6.0.0, babel-types@^6.18.0, babel-types@^6.26.0:
+babel-types@^6.0.0, babel-types@^6.18.0, babel-types@^6.19.0, babel-types@^6.24.1, babel-types@^6.26.0:
   version "6.26.0"
   resolved "https://registry.yarnpkg.com/babel-types/-/babel-types-6.26.0.tgz#a3b073f94ab49eb6fa55cd65227a334380632497"
   dependencies:
@@ -796,6 +1151,13 @@ browserify-zlib@^0.2.0:
   dependencies:
     pako "~1.0.5"
 
+browserslist@^3.2.6:
+  version "3.2.8"
+  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-3.2.8.tgz#b0005361d6471f0f5952797a76fc985f1f978fc6"
+  dependencies:
+    caniuse-lite "^1.0.30000844"
+    electron-to-chromium "^1.3.47"
+
 bser@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/bser/-/bser-2.0.0.tgz#9ac78d3ed5d915804fd87acb158bc797147a1719"
@@ -865,6 +1227,10 @@ cache-content-type@^1.0.0:
     mime-types "^2.1.18"
     ylru "^1.2.0"
 
+call-me-maybe@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/call-me-maybe/-/call-me-maybe-1.0.1.tgz#26d208ea89e37b5cbde60250a15f031c16a4d66b"
+
 caller-path@^0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/caller-path/-/caller-path-0.1.0.tgz#94085ef63581ecd3daa92444a8fe94e82577751f"
@@ -899,6 +1265,10 @@ camelize@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/camelize/-/camelize-1.0.0.tgz#164a5483e630fa4321e5af07020e531831b2609b"
 
+caniuse-lite@^1.0.30000844:
+  version "1.0.30000865"
+  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30000865.tgz#70026616e8afe6e1442f8bb4e1092987d81a2f25"
+
 capture-exit@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/capture-exit/-/capture-exit-1.2.0.tgz#1c5fcc489fd0ab00d4f1ac7ae1072e3173fbab6f"
@@ -1445,6 +1815,13 @@ diffie-hellman@^5.0.0:
     miller-rabin "^4.0.0"
     randombytes "^2.0.0"
 
+dir-glob@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/dir-glob/-/dir-glob-2.0.0.tgz#0b205d2b6aef98238ca286598a8204d29d0a0034"
+  dependencies:
+    arrify "^1.0.1"
+    path-type "^3.0.0"
+
 doctrine@1.5.0:
   version "1.5.0"
   resolved "https://registry.yarnpkg.com/doctrine/-/doctrine-1.5.0.tgz#379dce730f6166f76cefa4e6707a159b02c5a6fa"
@@ -1497,6 +1874,10 @@ ee-first@1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/ee-first/-/ee-first-1.1.1.tgz#590c61156b0ae2f4f0255732a158b266bc56b21d"
 
+electron-to-chromium@^1.3.47:
+  version "1.3.52"
+  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.52.tgz#d2d9f1270ba4a3b967b831c40ef71fb4d9ab5ce0"
+
 elliptic@^6.0.0:
   version "6.4.0"
   resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.4.0.tgz#cac9af8762c85836187003c8dfe193e5e2eae5df"
@@ -1920,6 +2301,17 @@ fast-deep-equal@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-2.0.1.tgz#7b05218ddf9667bf7f370bf7fdb2cb15fdd0aa49"
 
+fast-glob@^2.0.2:
+  version "2.2.2"
+  resolved "https://registry.yarnpkg.com/fast-glob/-/fast-glob-2.2.2.tgz#71723338ac9b4e0e2fff1d6748a2a13d5ed352bf"
+  dependencies:
+    "@mrmlnc/readdir-enhanced" "^2.2.1"
+    "@nodelib/fs.stat" "^1.0.1"
+    glob-parent "^3.1.0"
+    is-glob "^4.0.0"
+    merge2 "^1.2.1"
+    micromatch "^3.1.10"
+
 fast-json-stable-stringify@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/fast-json-stable-stringify/-/fast-json-stable-stringify-2.0.0.tgz#d5142c0caee6b1189f87d3a76111064f86c8bbf2"
@@ -2057,6 +2449,12 @@ from2@^2.1.0:
     inherits "^2.0.1"
     readable-stream "^2.0.0"
 
+front-matter@^2.3.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/front-matter/-/front-matter-2.3.0.tgz#7203af896ce357ee04e2aa45169ea91ed7f67504"
+  dependencies:
+    js-yaml "^3.10.0"
+
 fs-extra@^7.0.0:
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-7.0.0.tgz#8cc3f47ce07ef7b3593a11b9fb245f7e34c041d6"
@@ -2158,6 +2556,10 @@ glob-parent@^3.1.0:
     is-glob "^3.1.0"
     path-dirname "^1.0.0"
 
+glob-to-regexp@^0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/glob-to-regexp/-/glob-to-regexp-0.3.0.tgz#8c5a1494d2066c570cc3bfe4496175acc4d502ab"
+
 glob@^7.0.3, glob@^7.0.5, glob@^7.1.1, glob@^7.1.2:
   version "7.1.2"
   resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.2.tgz#c19c9df9a028702d678612384a6552404c636d15"
@@ -2194,6 +2596,18 @@ globby@^5.0.0:
     pify "^2.0.0"
     pinkie-promise "^2.0.0"
 
+globby@^8.0.1:
+  version "8.0.1"
+  resolved "https://registry.yarnpkg.com/globby/-/globby-8.0.1.tgz#b5ad48b8aa80b35b814fc1281ecc851f1d2b5b50"
+  dependencies:
+    array-union "^1.0.1"
+    dir-glob "^2.0.0"
+    fast-glob "^2.0.2"
+    glob "^7.1.2"
+    ignore "^3.3.5"
+    pify "^3.0.0"
+    slash "^1.0.0"
+
 got@^6.7.1:
   version "6.7.1"
   resolved "https://registry.yarnpkg.com/got/-/got-6.7.1.tgz#240cd05785a9a18e561dc1b44b41c763ef1e8db0"
@@ -2385,7 +2799,7 @@ ignore-walk@^3.0.1:
   dependencies:
     minimatch "^3.0.4"
 
-ignore@^3.3.3:
+ignore@^3.3.3, ignore@^3.3.5:
   version "3.3.10"
   resolved "https://registry.yarnpkg.com/ignore/-/ignore-3.3.10.tgz#0a97fb876986e8081c631160f8f9f389157f0043"
 
@@ -3105,7 +3519,7 @@ js-tokens@^3.0.0, js-tokens@^3.0.2:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-4.0.0.tgz#19203fb59991df98e3a287050d4647cdeaf32499"
 
-js-yaml@^3.7.0, js-yaml@^3.9.0, js-yaml@^3.9.1:
+js-yaml@^3.10.0, js-yaml@^3.7.0, js-yaml@^3.9.0, js-yaml@^3.9.1:
   version "3.12.0"
   resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.12.0.tgz#eaed656ec8344f10f527c6bfa1b6e2244de167d1"
   dependencies:
@@ -3151,6 +3565,10 @@ jsesc@^1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/jsesc/-/jsesc-1.3.0.tgz#46c3fec8c1892b12b0833db9bc7622176dbab34b"
 
+jsesc@~0.5.0:
+  version "0.5.0"
+  resolved "https://registry.yarnpkg.com/jsesc/-/jsesc-0.5.0.tgz#e7dee66e35d6fc16f710fe91d5cf69f70f08911d"
+
 json-parse-better-errors@^1.0.1, json-parse-better-errors@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/json-parse-better-errors/-/json-parse-better-errors-1.0.2.tgz#bb867cfb3450e69107c131d1c514bab3dc8bcaa9"
@@ -3565,6 +3983,10 @@ merge-stream@^1.0.1:
   dependencies:
     readable-stream "^2.0.1"
 
+merge2@^1.2.1:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/merge2/-/merge2-1.2.2.tgz#03212e3da8d86c4d8523cebd6318193414f94e34"
+
 merge@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/merge/-/merge-1.2.0.tgz#7531e39d4949c281a66b8c5a6e0265e8b05894da"
@@ -3587,7 +4009,7 @@ micromatch@^2.3.11:
     parse-glob "^3.0.4"
     regex-cache "^0.4.2"
 
-micromatch@^3.1.4, micromatch@^3.1.8:
+micromatch@^3.1.10, micromatch@^3.1.4, micromatch@^3.1.8:
   version "3.1.10"
   resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-3.1.10.tgz#70859bc95c9840952f359a068a3fc49f9ecfac23"
   dependencies:
@@ -4300,7 +4722,7 @@ pretty-format@^23.2.0:
     ansi-regex "^3.0.0"
     ansi-styles "^3.2.0"
 
-private@^0.1.8:
+private@^0.1.6, private@^0.1.8:
   version "0.1.8"
   resolved "https://registry.yarnpkg.com/private/-/private-0.1.8.tgz#2381edb3689f7a53d653190060fcf822d2f368ff"
 
@@ -4512,10 +4934,22 @@ redent@^2.0.0:
     indent-string "^3.0.0"
     strip-indent "^2.0.0"
 
+regenerate@^1.2.1:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/regenerate/-/regenerate-1.4.0.tgz#4a856ec4b56e4077c557589cae85e7a4c8869a11"
+
 regenerator-runtime@^0.11.0:
   version "0.11.1"
   resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.11.1.tgz#be05ad7f9bf7d22e056f9726cee5017fbf19e2e9"
 
+regenerator-transform@^0.10.0:
+  version "0.10.1"
+  resolved "https://registry.yarnpkg.com/regenerator-transform/-/regenerator-transform-0.10.1.tgz#1e4996837231da8b7f3cf4114d71b5691a0680dd"
+  dependencies:
+    babel-runtime "^6.18.0"
+    babel-types "^6.19.0"
+    private "^0.1.6"
+
 regex-cache@^0.4.2:
   version "0.4.4"
   resolved "https://registry.yarnpkg.com/regex-cache/-/regex-cache-0.4.4.tgz#75bdc58a2a1496cec48a12835bc54c8d562336dd"
@@ -4533,6 +4967,14 @@ regexpp@^1.0.1:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/regexpp/-/regexpp-1.1.0.tgz#0e3516dd0b7904f413d2d4193dce4618c3a689ab"
 
+regexpu-core@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/regexpu-core/-/regexpu-core-2.0.0.tgz#49d038837b8dcf8bfa5b9a42139938e6ea2ae240"
+  dependencies:
+    regenerate "^1.2.1"
+    regjsgen "^0.2.0"
+    regjsparser "^0.1.4"
+
 registry-auth-token@^3.0.1:
   version "3.3.2"
   resolved "https://registry.yarnpkg.com/registry-auth-token/-/registry-auth-token-3.3.2.tgz#851fd49038eecb586911115af845260eec983f20"
@@ -4546,6 +4988,16 @@ registry-url@^3.0.3:
   dependencies:
     rc "^1.0.1"
 
+regjsgen@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/regjsgen/-/regjsgen-0.2.0.tgz#6c016adeac554f75823fe37ac05b92d5a4edb1f7"
+
+regjsparser@^0.1.4:
+  version "0.1.5"
+  resolved "https://registry.yarnpkg.com/regjsparser/-/regjsparser-0.1.5.tgz#7ee8f84dc6fa792d3fd0ae228d24bd949ead205c"
+  dependencies:
+    jsesc "~0.5.0"
+
 remove-array-items@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/remove-array-items/-/remove-array-items-1.0.0.tgz#07bf42cb332f4cf6e85ead83b5e4e896d2326b21"