From 64899d961109e2ec9799e512014c3eb65d39ef0e Mon Sep 17 00:00:00 2001
From: Orta Therox <orta.therox@gmail.com>
Date: Sun, 15 Oct 2017 09:37:16 -0400
Subject: [PATCH] Initial work on adding a danger-process style runner for JS

---
 changelog.md                              |  2 +
 package.json                              |  4 +-
 source/commands/danger-run.ts             |  2 +-
 source/commands/danger-runner.ts          | 49 +++++++++++++++++++++++
 source/runner/runners/utils/transpiler.ts |  2 +-
 yarn.lock                                 | 10 +++++
 6 files changed, 66 insertions(+), 3 deletions(-)
 create mode 100644 source/commands/danger-runner.ts

diff --git a/changelog.md b/changelog.md
index 92b21dc12..2b14f01e7 100644
--- a/changelog.md
+++ b/changelog.md
@@ -4,6 +4,8 @@
 
 ### Master
 
+### 2.0.0-alpha.20
+
 - Moves away from vm2 to a require-based Dangerfile runner. This removes the sandboxing aspect of
   the Dangerfile completely, but the sandboxing was mainly for Peril and I have a plan for that.
 
diff --git a/package.json b/package.json
index 20b458f71..ce92bab51 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "danger",
-  "version": "2.0.0-alpha.19",
+  "version": "2.0.0-alpha.20",
   "description": "Unit tests for Team Culture",
   "main": "distribution/danger.js",
   "typings": "distribution/danger.d.ts",
@@ -61,6 +61,7 @@
     "@types/chalk": "^0.4.31",
     "@types/commander": "^2.3.31",
     "@types/debug": "0.0.29",
+    "@types/get-stdin": "^5.0.1",
     "@types/jest": "^20.0.0",
     "@types/lodash.includes": "^4.3.3",
     "@types/node-fetch": "^1.6.6",
@@ -95,6 +96,7 @@
     "chalk": "^2.0.0",
     "commander": "^2.9.0",
     "debug": "^3.0.0",
+    "get-stdin": "^5.0.1",
     "github": "^11",
     "jsome": "^2.3.25",
     "jsonpointer": "^4.0.1",
diff --git a/source/commands/danger-run.ts b/source/commands/danger-run.ts
index 7b5be3737..1f13906aa 100755
--- a/source/commands/danger-run.ts
+++ b/source/commands/danger-run.ts
@@ -42,7 +42,7 @@ async function run() {
     }
 
     if (platform) {
-      console.log(`${chalk.bold("OK")}, everything looks good: ${source.name} on ${platform.name}`)
+      d.log(`${chalk.bold("OK")}, everything looks good: ${source.name} on ${platform.name}`)
       const dangerFile = dangerfilePath(program)
 
       const exists = validateDangerfileExists(dangerFile)
diff --git a/source/commands/danger-runner.ts b/source/commands/danger-runner.ts
new file mode 100644
index 000000000..5e0831a9f
--- /dev/null
+++ b/source/commands/danger-runner.ts
@@ -0,0 +1,49 @@
+import setSharedArgs, { SharedCLI } from "./utils/sharedDangerfileArgs"
+
+import * as chalk from "chalk"
+import * as program from "commander"
+import * as fs from "fs"
+import * as getSTDIN from "get-stdin"
+
+import { contextForDanger } from "../runner/Dangerfile"
+import inline from "../runner/runners/inline"
+import { Executor } from "../runner/Executor"
+import { getPlatformForEnv } from "../platforms/platform"
+import getRuntimeCISource from "./utils/getRuntimeCISource"
+
+// Given the nature of this command, it can be tricky to test, so I use a command like this:
+//
+// env DANGER_GITHUB_API_TOKEN='xxx' DANGER_FAKE_CI="YEP" DANGER_TEST_REPO='artsy/eigen' DANGER_TEST_PR='2408'
+//   yarn ts-node -s -- source/commands/danger-process.ts ./scripts/danger_runner.rb
+//
+
+program
+  .usage("[options] dangerfile")
+  .description("Handles running the Dangerfile, expects a DSL from STDIN, which should be passed from `danger run`.")
+
+setSharedArgs(program).parse(process.argv)
+
+const app = (program as any) as SharedCLI
+
+const run = async (jsonString: string) => {
+  const dsl = JSON.parse(jsonString)
+  console.log(dsl)
+
+  // Set up the runtime env
+  const context = contextForDanger(dsl)
+  const runtimeEnv = await inline.createDangerfileRuntimeEnvironment(context)
+  const results = await inline.runDangerfileEnvironment(app.dangerfile, undefined, runtimeEnv)
+
+  const config = {
+    stdoutOnly: app.textOnly,
+    verbose: app.verbose,
+  }
+
+  const source = await getRuntimeCISource(app)
+  const platform = getPlatformForEnv(process.env, source!)
+
+  const exec = new Executor(source!, platform, inline, config)
+  await exec.handleResults(results)
+}
+
+getSTDIN().then(run)
diff --git a/source/runner/runners/utils/transpiler.ts b/source/runner/runners/utils/transpiler.ts
index 4779831bf..a14741115 100644
--- a/source/runner/runners/utils/transpiler.ts
+++ b/source/runner/runners/utils/transpiler.ts
@@ -6,7 +6,7 @@ let hasBabel = false
 let hasBabelTypeScript = false
 let hasFlow = false
 
-// Yes, lots of linter disables, but I want to support TS/Babel/Neither correclty
+// Yes, lots of linter disables, but I want to support TS/Babel/Neither correctly
 
 try {
   require.resolve("typescript") // tslint:disable-line
diff --git a/yarn.lock b/yarn.lock
index 5d42094bc..5adddd7e6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -16,6 +16,12 @@
   version "0.0.29"
   resolved "https://registry.yarnpkg.com/@types/debug/-/debug-0.0.29.tgz#a1e514adfbd92f03a224ba54d693111dbf1f3754"
 
+"@types/get-stdin@^5.0.1":
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/@types/get-stdin/-/get-stdin-5.0.1.tgz#46afbcaf09e94fe025afa07ae994ac3168adbdf3"
+  dependencies:
+    "@types/node" "*"
+
 "@types/jest@^20.0.0":
   version "20.0.4"
   resolved "https://registry.yarnpkg.com/@types/jest/-/jest-20.0.4.tgz#91e2c76fbe90b3a719b5d689958f0495f005beb9"
@@ -2099,6 +2105,10 @@ get-stdin@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-4.0.1.tgz#b968c6b0a04384324902e8bf1a5df32579a450fe"
 
+get-stdin@^5.0.1:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-5.0.1.tgz#122e161591e21ff4c52530305693f20e6393a398"
+
 get-stream@^2.2.0:
   version "2.3.1"
   resolved "https://registry.yarnpkg.com/get-stream/-/get-stream-2.3.1.tgz#5f38f93f346009666ee0150a054167f91bdd95de"