Require Node.js 8, add TypeScript definition (#2)

.editorconfig

@@ -7,9 +7,6 @@ charset = utf-8
 trim_trailing_whitespace = true
 insert_final_newline = true
 
-[package.json]
+[*.yml]
 indent_style = space
 indent_size = 2
-
-[*.md]
-trim_trailing_whitespace = false

.gitattributes

@@ -1 +1 @@
-* text=auto
+* text=auto eol=lf

.gitignore

@@ -1 +1,2 @@
 node_modules
+yarn.lock

.npmrc

@@ -0,0 +1 @@
+package-lock=false

.travis.yml

@@ -1,6 +1,4 @@
-sudo: false
 language: node_js
 node_js:
-  - 'iojs'
-  - '0.12'
-  - '0.10'
+  - '10'
+  - '8'

index.d.ts

@@ -0,0 +1,17 @@
+/**
+Check if a filepath is a text file.
+
+@example
+```
+import isTextPath = require('is-text-path');
+
+isTextPath('src/unicorn.txt');
+//=> true
+
+isTextPath('src/unicorn.png');
+//=> false
+```
+*/
+declare function isTextPath(filepath: string): boolean;
+
+export = isTextPath;

index.js

@@ -1,12 +1,9 @@
 'use strict';
-var path = require('path');
-var textExtensions = require('text-extensions');
-var exts = Object.create(null);
+const path = require('path');
+const textExtensions = require('text-extensions');
 
-textExtensions.forEach(function (el) {
-	exts[el] = true;
-});
+const extensions = new Set(textExtensions);
 
-module.exports = function (filepath) {
-	return path.extname(filepath).slice(1).toLowerCase() in exts;
+module.exports = filepath => {
+	return extensions.has(path.extname(filepath).slice(1).toLowerCase());
 };

index.test-d.ts

@@ -0,0 +1,4 @@
+import {expectType} from 'tsd';
+import isTextPath = require('.');
+
+expectType<boolean>(isTextPath('src/unicorn.txt'));

license

@@ -1,21 +1,9 @@
-The MIT License (MIT)
+MIT License
 
 Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
 
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
 
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-THE SOFTWARE.
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

package.json

@@ -1,39 +1,42 @@
 {
-  "name": "is-text-path",
-  "version": "1.0.1",
-  "description": "Check if a filepath is a text file",
-  "license": "MIT",
-  "repository": "sindresorhus/is-text-path",
-  "author": {
-    "name": "Sindre Sorhus",
-    "email": "sindresorhus@gmail.com",
-    "url": "sindresorhus.com"
-  },
-  "engines": {
-    "node": ">=0.10.0"
-  },
-  "scripts": {
-    "test": "ava"
-  },
-  "files": [
-    "index.js"
-  ],
-  "keywords": [
-    "txt",
-    "text",
-    "ext",
-    "extensions",
-    "extension",
-    "file",
-    "path",
-    "check",
-    "detect",
-    "is"
-  ],
-  "dependencies": {
-    "text-extensions": "^1.0.0"
-  },
-  "devDependencies": {
-    "ava": "*"
-  }
+	"name": "is-text-path",
+	"version": "1.0.1",
+	"description": "Check if a filepath is a text file",
+	"license": "MIT",
+	"repository": "sindresorhus/is-text-path",
+	"author": {
+		"name": "Sindre Sorhus",
+		"email": "sindresorhus@gmail.com",
+		"url": "sindresorhus.com"
+	},
+	"engines": {
+		"node": ">=8"
+	},
+	"scripts": {
+		"test": "xo && ava && tsd"
+	},
+	"files": [
+		"index.js",
+		"index.d.ts"
+	],
+	"keywords": [
+		"txt",
+		"text",
+		"ext",
+		"extensions",
+		"extension",
+		"file",
+		"path",
+		"check",
+		"detect",
+		"is"
+	],
+	"dependencies": {
+		"text-extensions": "^2.0.0"
+	},
+	"devDependencies": {
+		"ava": "^1.4.1",
+		"tsd": "^0.7.2",
+		"xo": "^0.24.0"
+	}
 }

readme.md

@@ -6,14 +6,14 @@
 ## Install
 
 ```
-$ npm install --save is-text-path
+$ npm install is-text-path
 ```
 
 
 ## Usage
 
 ```js
-var isTextPath = require('is-text-path');
+const isTextPath = require('is-text-path');
 
 isTextPath('src/unicorn.txt');
 //=> true
@@ -31,4 +31,4 @@ isTextPath('src/unicorn.png');
 
 ## License
 
-MIT © [Sindre Sorhus](http://sindresorhus.com)
+MIT © [Sindre Sorhus](https://sindresorhus.com)

test.js

@@ -1,11 +1,11 @@
 import test from 'ava';
-import m from './';
+import isTextPath from '.';
 
-test(t => {
-	t.true(m('unicorn.txt'));
-	t.true(m('unicorn.md'));
-	t.true(m('unicorn.MD'));
-	t.false(m('unicorn.png'));
-	t.false(m('unicorn.zip'));
-	t.false(m('unicornzip'));
+test('main', t => {
+	t.true(isTextPath('unicorn.txt'));
+	t.true(isTextPath('unicorn.md'));
+	t.true(isTextPath('unicorn.MD'));
+	t.false(isTextPath('unicorn.png'));
+	t.false(isTextPath('unicorn.zip'));
+	t.false(isTextPath('unicornzip'));
 });