Fix script.js spawnSync issues.

scripts.js

@@ -13,10 +13,36 @@ const mkdirp = require("mkdirp");
 const path = require("path");
 
 const scripts = {
-  "lint": "jshint src",
-  "compile": "psa -c \"src/**/*.purs\" \"bower_components/purescript-*/src/**/*.purs\" --censor-lib --censor-codes=ImplicitImport,HidingImport",
-  "bundle": "psc-bundle \"output/*/*.js\" --output pulp.js --module Main --main Main",
-  "test": "mocha test-js --require babel/register",
+  "lint": {
+      cmd: "jshint",
+      args: ["src"]
+    },
+  "compile": {
+      cmd: "psa",
+      args: [
+        "-c",
+        "src/**/*.purs",
+        "bower_components/purescript-*/src/**/*.purs",
+        "--censor-lib",
+        "--censor-codes=ImplicitImport,HidingImport"
+      ]
+    },
+  "bundle": {
+      cmd: "psc-bundle",
+      args: [
+        "output/*/*.js",
+        "--output", "pulp.js",
+        "--module", "Main",
+        "--main", "Main"
+      ]
+    },
+  "test": {
+      cmd: "mocha",
+      args: [
+        "test-js",
+        "--require", "babel/register"
+      ]
+    },
 };
 
 const subcommand = process.argv[2];
@@ -45,18 +71,18 @@ switch (subcommand) {
 }
 
 function build() {
-  spawnSync("psvm use " + getConfig("psc_build_version"));
+  spawnSync("psvm", ["use", getConfig("psc_build_version")]);
   ["lint", "compile", "bundle"].forEach(execScript);
 }
 
 function test() {
-  spawnSync("psvm use " + getConfig("psc_test_version"));
+  spawnSync("psvm", ["use", getConfig("psc_test_version")]);
   execScript("test");
 }
 
 function prepublish() {
   ensurePscVersionsInstalled();
-  spawnSync("bower install");
+  spawnSync("bower", ["install"]);
   build();
 }
 
@@ -72,7 +98,7 @@ function getSubcommandEnv() {
 }
 
 function execScript(script) {
-  spawnSync(scripts[script] + " " + restArgs.join(" "));
+  spawnSync(scripts[script].cmd, scripts[script].args, restArgs);
 }
 
 
@@ -87,7 +113,7 @@ function ensurePscVersionsInstalled() {
   const versions = ['psc_build_version', 'psc_test_version'].map(getConfig);
 
   versions.forEach((version) => {
-    spawnSync("psvm install " + version);
+    spawnSync("psvm", ["install", version]);
   });
 }
 
@@ -100,10 +126,10 @@ function getConfig(variable) {
   }
 }
 
-function spawnSync(command, opts) {
+function spawnSync(command, args, opts) {
   opts = opts || {};
-  console.log(">> " + command);
-  var result = child_process.spawnSync(command, {
+  console.log(">> " + command + " " + args.join(" "));
+  var result = child_process.spawnSync(command, args, {
     cwd: process.cwd(),
     env: getSubcommandEnv(),
     stdio: ["inherit", opts.quiet ? "pipe" : "inherit", "inherit"],
@@ -112,7 +138,9 @@ function spawnSync(command, opts) {
   });
 
   if (result.status !== 0) {
-    throw new Error("shell command exited with: " + result.status);
+    throw new Error("shell command exited with: " + result.status
+      + "\n"
+      + result.error);
   }
 
   return result.stdout;