move readme-file into its own file

package.json

@@ -39,7 +39,6 @@
     "parse-filepath": "^1.0.2",
     "pify": "^3.0.0",
     "read-pkg-up": "^3.0.0",
-    "readme-file": "^0.2.0",
     "remark": "^9.0.0",
     "remark-html": "7.0.0",
     "remark-reference-links": "^4.0.1",

src/commands/readme.js

@@ -8,14 +8,14 @@ const sharedOptions = require('./shared_options');
 const inject = require('mdast-util-inject');
 const chalk = require('chalk');
 const disparity = require('disparity');
-const getReadmeFile = require('readme-file');
+const getReadmeFile = require('../get-readme-file');
 
 module.exports.command = 'readme [input..]';
 module.exports.description = 'inject documentation into your README.md';
 
-let DEFAULT_README_FILE = 'README.md';
+let defaultReadmeFile = 'README.md';
 try {
-  DEFAULT_README_FILE = getReadmeFile('.');
+  defaultReadmeFile = getReadmeFile('.');
 } catch (err) {
   // ignore and use default README.md
 }
@@ -33,7 +33,7 @@ module.exports.builder = Object.assign(
   {
     'readme-file': {
       describe: 'The markdown file into which to inject documentation',
-      default: DEFAULT_README_FILE
+      default: defaultReadmeFile
     },
     section: {
       alias: 's',

src/get-readme-file.js

@@ -0,0 +1,25 @@
+/* @flow */
+
+const fs = require('fs');
+const path = require('path');
+
+module.exports = function findReadme(dir: string) {
+  const readmeFilenames = [
+    'README',
+    'README.markdown',
+    'README.md',
+    'README.txt',
+    'Readme.md',
+    'readme.markdown',
+    'readme.md',
+    'readme.txt'
+  ];
+
+  const readmeFile = fs.readdirSync(dir).find(function(filename) {
+    return readmeFilenames.indexOf(filename) >= 0;
+  });
+
+  if (readmeFile) {
+    return path.join(fs.realpathSync(dir), readmeFile);
+  }
+};

yarn.lock

@@ -5173,16 +5173,6 @@ readdirp@^2.0.0:
     readable-stream "^2.0.2"
     set-immediate-shim "^1.0.1"
 
-readme-file@^0.2.0:
-  version "0.2.0"
-  resolved "https://registry.yarnpkg.com/readme-file/-/readme-file-0.2.0.tgz#4ce8f43d756f53740f39b7a9121469d7fb0508fc"
-  dependencies:
-    readme-filenames "^1.0.1"
-
-readme-filenames@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/readme-filenames/-/readme-filenames-1.0.1.tgz#9c125c69839c3741edf4f0b4b46ba51e1a3a4bf8"
-
 realpath-native@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/realpath-native/-/realpath-native-1.0.0.tgz#7885721a83b43bd5327609f0ddecb2482305fdf0"