From 2f92c2bc7883b5050303d141458c3957114a31d7 Mon Sep 17 00:00:00 2001
From: RyanZim <opensrc@ryanzim.com>
Date: Sat, 25 Feb 2017 20:40:36 -0500
Subject: [PATCH 1/2] Add config file support

Fixes #15
---
 bin/cli.js | 31 +++++++++++++++++++++++++++----
 1 file changed, 27 insertions(+), 4 deletions(-)

diff --git a/bin/cli.js b/bin/cli.js
index edc02d2..507aece 100755
--- a/bin/cli.js
+++ b/bin/cli.js
@@ -4,19 +4,42 @@
 /**
  * Dependencies
  */
+const path = require('path');
 const chalk = require('chalk');
 const argv = require('yargs').argv;
 const replace = require('../lib/replace-in-file');
 
 //Verify arguments
-if (argv._.length < 3) {
+if (argv._.length < 3 && !argv.config) {
   console.error(chalk.red('Replace in file needs at least 3 arguments'));
   process.exit(1);
 }
 
-//Collect main arguments
-let from = argv._.shift();
-const to = argv._.shift();
+let from;
+let to;
+
+if (argv.config) {
+  if (!argv.length) {
+    console.error(chalk.red('Must pass a list of files'));
+    process.exit(1);
+  }
+  //Read config file
+  let config;
+  try {
+    config = require(path.join(process.cwd(), argv.config));
+  }
+  catch (e) {
+    console.error(chalk.red('Cannot load config file'));
+    process.exit(1);
+  }
+  from = config.from;
+  to = config.to;
+}
+else {
+  //Collect main arguments
+  from = argv._.shift();
+  to = argv._.shift();
+}
 
 //Single star globs already get expanded in the command line
 const files = argv._.reduce((files, file) => {

From 19de14e0680c634270c357f1afd9b52bb21242c8 Mon Sep 17 00:00:00 2001
From: RyanZim <opensrc@ryanzim.com>
Date: Thu, 2 Mar 2017 18:47:19 -0500
Subject: [PATCH 2/2] Allow passing files to config

---
 bin/cli.js | 33 ++++++++++++++++++++++++---------
 1 file changed, 24 insertions(+), 9 deletions(-)

diff --git a/bin/cli.js b/bin/cli.js
index 507aece..56044fc 100755
--- a/bin/cli.js
+++ b/bin/cli.js
@@ -15,14 +15,10 @@ if (argv._.length < 3 && !argv.config) {
   process.exit(1);
 }
 
-let from;
-let to;
+let from, to, files;
 
+// If --config is set, load config file
 if (argv.config) {
-  if (!argv.length) {
-    console.error(chalk.red('Must pass a list of files'));
-    process.exit(1);
-  }
   //Read config file
   let config;
   try {
@@ -30,19 +26,38 @@ if (argv.config) {
   }
   catch (e) {
     console.error(chalk.red('Cannot load config file'));
+    console.error(e);
     process.exit(1);
   }
   from = config.from;
   to = config.to;
+  if (typeof config.files === 'string') {
+    config.files = [config.files];
+  }
+  files = config.files;
 }
-else {
-  //Collect main arguments
+
+if (!from === undefined) {
   from = argv._.shift();
+}
+if (!to === undefined) {
   to = argv._.shift();
 }
+if (!files) {
+  files = argv._;
+}
+
+if (!from === undefined || !to === undefined) {
+  console.error(chalk.red('Must set from & to options'));
+  process.exit(1);
+}
+if (!files) {
+  console.error(chalk.red('Must pass a list of files'));
+  process.exit(1);
+}
 
 //Single star globs already get expanded in the command line
-const files = argv._.reduce((files, file) => {
+files = files.reduce((files, file) => {
   return files.concat(file.split(','));
 }, []);