From d833174b4e73daf80e4708375cfe76799d74ba1f Mon Sep 17 00:00:00 2001
From: Owen Melbourne <owenmelbz@gmail.com>
Date: Sat, 30 May 2020 17:53:30 +0100
Subject: [PATCH 1/2] Allowed the 'build' cli command to fallback to some
 defaults if no input file is specified.

---
 __tests__/cli.test.js     | 10 +++++++++-
 src/cli/commands/build.js |  7 ++++---
 src/cli/compile.js        |  7 ++++++-
 3 files changed, 19 insertions(+), 5 deletions(-)

diff --git a/__tests__/cli.test.js b/__tests__/cli.test.js
index e8b937230..d1c7149b4 100644
--- a/__tests__/cli.test.js
+++ b/__tests__/cli.test.js
@@ -43,12 +43,20 @@ describe('cli', () => {
   })
 
   describe('build', () => {
-    it('compiles CSS file', () => {
+    it('compiles CSS file using an input css file', () => {
       return cli(['build', inputCssPath]).then(() => {
         expect(process.stdout.write.mock.calls[0][0]).toContain('.example')
       })
     })
 
+    it('compiles CSS file without an input css file', () => {
+      return cli(['build']).then(() => {
+        expect(process.stdout.write.mock.calls[0][0]).toContain('normalize.css') // base
+        expect(process.stdout.write.mock.calls[0][0]).toContain('.container') // components
+        expect(process.stdout.write.mock.calls[0][0]).toContain('.mx-auto') // utilities
+      })
+    })
+
     it('compiles CSS file using custom configuration', () => {
       return cli(['build', inputCssPath, '--config', customConfigPath]).then(() => {
         expect(process.stdout.write.mock.calls[0][0]).toContain('400px')
diff --git a/src/cli/commands/build.js b/src/cli/commands/build.js
index 6d79b48f7..cec547b7a 100644
--- a/src/cli/commands/build.js
+++ b/src/cli/commands/build.js
@@ -80,7 +80,7 @@ function buildToFile(compileOptions, startTime) {
 
   utils.header()
   utils.log()
-  utils.log(emoji.go, 'Building...', colors.file(inputFileSimplePath))
+  utils.log(emoji.go, 'Building...', colors.file(inputFileSimplePath || 'defaults: @base, @components and @utilities.'))
 
   return compile(compileOptions).then(result => {
     utils.writeFile(compileOptions.outputFile, result.css)
@@ -112,8 +112,9 @@ export function run(cliParams, cliOptions) {
     const inputFileSimplePath = utils.getSimplePath(inputFile)
     const configFileSimplePath = utils.getSimplePath(configFile)
 
-    !inputFile && stopWithHelp('CSS file is required.')
-    !utils.exists(inputFile) && stop(colors.file(inputFileSimplePath), 'does not exist.')
+    if (inputFile) {
+      !utils.exists(inputFile) && stop(colors.file(inputFileSimplePath), 'does not exist.')
+    }
 
     configFile &&
       !utils.exists(configFile) &&
diff --git a/src/cli/compile.js b/src/cli/compile.js
index 956d5e789..7cadbc0d0 100644
--- a/src/cli/compile.js
+++ b/src/cli/compile.js
@@ -25,7 +25,12 @@ const defaultOptions = {
  */
 export default function compile(options = {}) {
   const config = { ...defaultOptions, ...options }
-  const css = utils.readFile(config.inputFile)
+
+  const css = config.inputFile ? utils.readFile(config.inputFile) : `
+    @tailwind base;
+    @tailwind components;
+    @tailwind utilities;
+  `;
 
   return new Promise((resolve, reject) => {
     postcss(config.plugins)

From 3febffdb5517dc5fb87b831b9ee91366cd3f0358 Mon Sep 17 00:00:00 2001
From: Owen Melbourne <owenmelbz@gmail.com>
Date: Sat, 30 May 2020 17:59:54 +0100
Subject: [PATCH 2/2] Fixed some styling

---
 src/cli/commands/build.js | 6 +++++-
 src/cli/compile.js        | 6 ++++--
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/src/cli/commands/build.js b/src/cli/commands/build.js
index cec547b7a..0eeb11f7f 100644
--- a/src/cli/commands/build.js
+++ b/src/cli/commands/build.js
@@ -80,7 +80,11 @@ function buildToFile(compileOptions, startTime) {
 
   utils.header()
   utils.log()
-  utils.log(emoji.go, 'Building...', colors.file(inputFileSimplePath || 'defaults: @base, @components and @utilities.'))
+  utils.log(
+    emoji.go,
+    'Building...',
+    colors.file(inputFileSimplePath || 'defaults: @base, @components and @utilities.')
+  )
 
   return compile(compileOptions).then(result => {
     utils.writeFile(compileOptions.outputFile, result.css)
diff --git a/src/cli/compile.js b/src/cli/compile.js
index 7cadbc0d0..dcfc64086 100644
--- a/src/cli/compile.js
+++ b/src/cli/compile.js
@@ -26,11 +26,13 @@ const defaultOptions = {
 export default function compile(options = {}) {
   const config = { ...defaultOptions, ...options }
 
-  const css = config.inputFile ? utils.readFile(config.inputFile) : `
+  const css = config.inputFile
+    ? utils.readFile(config.inputFile)
+    : `
     @tailwind base;
     @tailwind components;
     @tailwind utilities;
-  `;
+  `
 
   return new Promise((resolve, reject) => {
     postcss(config.plugins)