From 400e45f24a84a17f70316d00f7ed502d28682e87 Mon Sep 17 00:00:00 2001
From: Ian MacLeod <ian@nevir.net>
Date: Mon, 31 Jul 2017 17:38:08 -0700
Subject: [PATCH] Convert the postinstall script to .js for windows support

---
 .gitignore             |  1 +
 .vscode/settings.json  |  2 +-
 package.json           |  3 ++-
 scripts/postinstall.js | 58 ++++++++++++++++++++++++++++++++++++++++++
 scripts/postinstall.sh | 23 -----------------
 5 files changed, 62 insertions(+), 25 deletions(-)
 create mode 100755 scripts/postinstall.js
 delete mode 100755 scripts/postinstall.sh

diff --git a/.gitignore b/.gitignore
index c6f568c4..7fc9d5f6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,6 +8,7 @@ package-lock.json
 /output/
 *.d.ts
 *.js
+!/scripts/*.js
 
 # TypeScript
 !/typings/**/*.d.ts
diff --git a/.vscode/settings.json b/.vscode/settings.json
index f24188ef..d42f4935 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -1,7 +1,6 @@
 // Place your settings in this file to overwrite default and user settings.
 {
   "files.exclude": {
-    "**/*.js": true,
     "**/*.js.map": true,
     "**/.DS_Store": true,
     "**/.git": true,
@@ -9,6 +8,7 @@
     "**/.svn": true,
     "**/CVS": true,
     "{src,test}/**/*.d.ts": true,
+    "{src,test}/**/*.js": true,
     "node_modules/": true,
     "output/": true
   }
diff --git a/package.json b/package.json
index 96e4dcf4..a3fdf6da 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "dev": "./scripts/dev.sh",
     "fix:style": "./scripts/fix:style.sh",
     "greenkeeper:lockfile": "./scripts/greenkeeper:lockfile.sh",
-    "postinstall": "./scripts/postinstall.sh",
+    "postinstall": "node ./scripts/postinstall.js",
     "release": "./scripts/release.sh",
     "test": "./scripts/test.sh",
     "test:compile": "./scripts/test:compile.sh",
@@ -48,6 +48,7 @@
     "greenkeeper-lockfile": "^1.7.2",
     "jest": "^20.0.4",
     "jest-junit": "^2.1.0",
+    "rimraf": "^2.6.1",
     "typescript": "^2.4.2",
     "typescript-eslint-parser": "eslint/typescript-eslint-parser#ts-2.4"
   }
diff --git a/scripts/postinstall.js b/scripts/postinstall.js
new file mode 100755
index 00000000..52199ff5
--- /dev/null
+++ b/scripts/postinstall.js
@@ -0,0 +1,58 @@
+#!/usr/bin/env node
+/* eslint-disable */
+var childProcess = require('child_process');
+var fs = require('fs');
+var path = require('path');
+
+var node_modules = path.resolve(__dirname, '..', 'node_modules');
+var temp_modules = node_modules + '.tmp';
+// We set an environment flag to ensure that this script doesn't loop.
+var compiling_var = 'compiling:' + process.env.npm_package_name;
+
+// When installing directly from GitHub, we get the TypeScript source, but none
+// of the compiled JavaScript.
+function isCompiled() {
+  // It will be.
+  if (process.env[compiling_var]) return true;
+
+  try {
+    return !!require.resolve('.');
+  } catch (error) {
+    return false;
+  }
+}
+
+function isDirectory() {
+  var fullPath = path.join.apply(path, arguments);
+  try {
+    return fs.statSync(fullPath).isDirectory();
+  } catch (error) {
+    return false;
+  }
+}
+
+// When installing directly from GitHub, we get the source, but none of the
+// compiled JavaScript.
+if (isCompiled()) return;
+
+// Install our dev dependencies (aka TypeScript) into a sandbox, so that we can
+// compile our code.
+if (isDirectory(node_modules)) {
+  fs.renameSync(node_modules, temp_modules);
+}
+
+var runner = /yarn/i.test(process.env.npm_config_user_agent) ? 'yarn' : 'npm';
+
+process.env[compiling_var] = 'true';
+process.stdout.write('Compiling TypeScript sources… ');
+childProcess.execSync(runner + ' install');
+childProcess.execSync(runner + ' run compile');
+process.stdout.write('done\n');
+
+// Sneaky, but rimraf is included as a devDependency.
+require('rimraf').sync(node_modules);
+
+// Restore any production dependencies.
+if (isDirectory(temp_modules)) {
+  fs.renameSync(temp_modules, node_modules);
+}
diff --git a/scripts/postinstall.sh b/scripts/postinstall.sh
deleted file mode 100755
index 9cb3180f..00000000
--- a/scripts/postinstall.sh
+++ /dev/null
@@ -1,23 +0,0 @@
-#!/usr/bin/env bash
-set -e
-
-source ./scripts/include/node.sh
-
-# When installing directly from GitHub, we get the source, but none of the
-# compiled JavaScript.
-if [[ -d ./node_modules/typescript ]]; then exit 0; fi
-
-# Install our dev dependencies (aka TypeScript) into a sandbox, so that we can
-# compile our code.
-if [[ -d ./node_modules ]]; then
-  mv ./node_modules ./node_modules.temp
-fi
-
-echo "Compiling TypeScript sources… "
-${RUNNER} install
-run compile
-
-rm -rf node_modules
-if [[ -d ./node_modules.temp ]]; then
-  mv ./node_modules.temp ./node_modules
-fi