Jhernandez has uploaded a new change for review. ( 
https://gerrit.wikimedia.org/r/371010 )

Change subject: WIP: Chore: Add ES5 transpilation for client files
......................................................................

WIP: Chore: Add ES5 transpilation for client files

Using typescript as the compiler, add ts-loader so that webpack
transpiles files to ES5.

* Base tsconfig.json in the root of the project
  * Specific client details extending the root config in
    src/client/tsconfig.json

TODO:
* Fix linting & formatting.

Change-Id: If76bd06a768e75a82e1d54e45be8177e2decf20b
---
M package-lock.json
M package.json
R src/client/index.ts
A src/client/tsconfig.json
A tsconfig.json
M webpack.config.js
6 files changed, 107 insertions(+), 1 deletion(-)


  git pull ssh://gerrit.wikimedia.org:29418/marvin refs/changes/10/371010/1

diff --git a/package-lock.json b/package-lock.json
index 2d71c41..da73b19 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -550,6 +550,21 @@
       "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c=",
       "dev": true
     },
+    "color-convert": {
+      "version": "1.9.0",
+      "resolved": 
"https://registry.npmjs.org/color-convert/-/color-convert-1.9.0.tgz";,
+      "integrity": "sha1-Gsz5fdc5uYO/mU1W/sj5WFNkG3o=",
+      "dev": true,
+      "requires": {
+        "color-name": "1.1.3"
+      }
+    },
+    "color-name": {
+      "version": "1.1.3",
+      "resolved": 
"https://registry.npmjs.org/color-name/-/color-name-1.1.3.tgz";,
+      "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=",
+      "dev": true
+    },
     "comment-parser": {
       "version": "0.4.0",
       "resolved": 
"https://registry.npmjs.org/comment-parser/-/comment-parser-0.4.0.tgz";,
@@ -5011,6 +5026,49 @@
       "integrity": "sha1-OTvnMKlEb9Hq1tpZoBQwjzbCics=",
       "dev": true
     },
+    "ts-loader": {
+      "version": "2.3.2",
+      "resolved": "https://registry.npmjs.org/ts-loader/-/ts-loader-2.3.2.tgz";,
+      "integrity": 
"sha512-KcQvWwla5nviCMX1511iKVsLfrx97Hbah6l5awE1HNL6eiyAzb3gSO8b5yasB6fK/qGukLpu9czWcd/AGGFy/g==",
+      "dev": true,
+      "requires": {
+        "chalk": "2.1.0",
+        "enhanced-resolve": "3.4.1",
+        "loader-utils": "1.1.0",
+        "semver": "5.4.1"
+      },
+      "dependencies": {
+        "ansi-styles": {
+          "version": "3.2.0",
+          "resolved": 
"https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.0.tgz";,
+          "integrity": 
"sha512-NnSOmMEYtVR2JVMIGTzynRkkaxtiq1xnFBcdQD/DnNCYPoEPsVJhM98BDyaoNOQIi7p4okdi3E27eN7GQbsUug==",
+          "dev": true,
+          "requires": {
+            "color-convert": "1.9.0"
+          }
+        },
+        "chalk": {
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.1.0.tgz";,
+          "integrity": 
"sha512-LUHGS/dge4ujbXMJrnihYMcL4AoOweGnw9Tp3kQuqy1Kx5c1qKjqvMJZ6nVJPMWJtKCTN72ZogH3oeSO9g9rXQ==",
+          "dev": true,
+          "requires": {
+            "ansi-styles": "3.2.0",
+            "escape-string-regexp": "1.0.5",
+            "supports-color": "4.2.1"
+          }
+        },
+        "supports-color": {
+          "version": "4.2.1",
+          "resolved": 
"https://registry.npmjs.org/supports-color/-/supports-color-4.2.1.tgz";,
+          "integrity": 
"sha512-qxzYsob3yv6U+xMzPrv170y8AwGP7i74g+pbixCfD6rgso8BscLT2qXIuz6TpOaiJZ3mFgT5O9lyT9nMU4LfaA==",
+          "dev": true,
+          "requires": {
+            "has-flag": "2.0.0"
+          }
+        }
+      }
+    },
     "tty-browserify": {
       "version": "0.0.0",
       "resolved": 
"https://registry.npmjs.org/tty-browserify/-/tty-browserify-0.0.0.tgz";,
@@ -5047,6 +5105,12 @@
       "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=",
       "dev": true
     },
+    "typescript": {
+      "version": "2.4.2",
+      "resolved": 
"https://registry.npmjs.org/typescript/-/typescript-2.4.2.tgz";,
+      "integrity": "sha1-+DlfhdRZJ2BnyYiqQYN6j4KHCEQ=",
+      "dev": true
+    },
     "uglify-js": {
       "version": "2.8.29",
       "resolved": 
"https://registry.npmjs.org/uglify-js/-/uglify-js-2.8.29.tgz";,
diff --git a/package.json b/package.json
index 9faa5b5..b8eb578 100644
--- a/package.json
+++ b/package.json
@@ -56,6 +56,8 @@
     "npm-run-all": "^4.0.2",
     "prettier": "^1.5.3",
     "sinon": "^3.0.0",
+    "ts-loader": "^2.3.2",
+    "typescript": "^2.4.2",
     "webpack": "^3.4.1"
   }
 }
diff --git a/src/client/index.js b/src/client/index.ts
similarity index 100%
rename from src/client/index.js
rename to src/client/index.ts
diff --git a/src/client/tsconfig.json b/src/client/tsconfig.json
new file mode 100644
index 0000000..2820b53
--- /dev/null
+++ b/src/client/tsconfig.json
@@ -0,0 +1,7 @@
+{
+  "extends": "../../tsconfig.json",
+  "compilerOptions": {
+    "target": "ES5",
+    "module": "ES2015"
+  }
+}
diff --git a/tsconfig.json b/tsconfig.json
new file mode 100644
index 0000000..f67dbd8
--- /dev/null
+++ b/tsconfig.json
@@ -0,0 +1,14 @@
+{
+  "compilerOptions": {
+    "jsx": "react",
+    "jsxFactory": "h",
+    "sourceMap": true,
+
+    "strict": true,
+
+    "noUnusedLocals": true,
+    "noUnusedParameters": true,
+    "noImplicitReturns": true,
+    "noFallthroughCasesInSwitch": true
+  }
+}
diff --git a/webpack.config.js b/webpack.config.js
index df59ce5..6baf533 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -1,3 +1,5 @@
+/* eslint-env node */
+
 const path = require("path");
 const webpack = require("webpack");
 const CleanWebpackPlugin = require("clean-webpack-plugin");
@@ -14,7 +16,7 @@
   target: "web",
 
   entry: {
-    index: "./src/client/index.js"
+    index: "./src/client/index"
   },
 
   output: {
@@ -26,6 +28,23 @@
     filename: "[name].[chunkhash].js"
   },
 
+  resolve: {
+    // Add `.ts` and `.tsx` as a resolvable extension.
+    extensions: [".ts", ".tsx", ".js"]
+  },
+
+  module: {
+    rules: [
+      {
+        test: /\.tsx?$/,
+        loader: "ts-loader",
+        options: {
+          configFileName: "./src/client/tsconfig.json"
+        }
+      }
+    ]
+  },
+
   devtool: isProd ? "source-map" : "cheap-module-eval-source-map",
 
   plugins: [

-- 
To view, visit https://gerrit.wikimedia.org/r/371010
To unsubscribe, visit https://gerrit.wikimedia.org/r/settings

Gerrit-MessageType: newchange
Gerrit-Change-Id: If76bd06a768e75a82e1d54e45be8177e2decf20b
Gerrit-PatchSet: 1
Gerrit-Project: marvin
Gerrit-Branch: master
Gerrit-Owner: Jhernandez <jhernan...@wikimedia.org>

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