refactor: use typescript

Author: hustcc

.commitlintrc.js

@@ -0,0 +1,9 @@
+module.exports = {
+  rules: {
+    'type-enum': [
+      2,
+      'always',
+      ['build', 'chore', 'ci', 'docs', 'feat', 'fix', 'perf', 'refactor', 'revert', 'style', 'test', 'wip'],
+    ],
+  },
+};

.eslintrc

@@ -0,0 +1,14 @@
+{
+  "parser": "@typescript-eslint/parser",
+  "parserOptions": {
+    "project": "./tsconfig.ci.json"
+  },
+  "plugins": ["@typescript-eslint"],
+  "extends": [
+    "eslint:recommended",
+    "plugin:@typescript-eslint/eslint-recommended",
+    "plugin:@typescript-eslint/recommended",
+    "prettier",
+    "prettier/@typescript-eslint"
+  ]
+}

.github/FUNDING.yml

@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: # Replace with up to 4 GitHub Sponsors-enabled usernames e.g., [user1, user2]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: # Replace with a single Tidelift platform-name/package-name e.g., npm/babel
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: ['https://paypal.me/hustcc', 'https://atool.vip']

.gitignore

@@ -1,5 +1,21 @@
-.project
-.settings
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
 
-node_modules/*
+# Sys
+.DS_STORE
+.idea
 
+# Node
+node_modules/
+
+# Build
+dist
+lib
+
+# Test
+coverage

.prettierrc

@@ -0,0 +1,8 @@
+{
+  "semi": true,
+  "singleQuote": true,
+  "trailingComma": "all",
+  "bracketSpacing": true,
+  "printWidth": 120,
+  "arrowParens": "always"
+}

.travis.yml

@@ -1,4 +1,19 @@
 language: node_js
 node_js:
-    - "4.4.4"
-    - "0.12"
+  - "8"
+  - "9"
+  - "10"
+  - "11"
+  - "12"
+addons:
+  apt:
+    packages:
+      - xvfb
+install:
+  - export DISPLAY=':99.0'
+  - Xvfb :99 -screen 0 1024x768x24 > /dev/null 2>&1 &
+  - npm install
+script:
+  - npm run ci
+after_success:
+  - npm run coveralls

LICENSE

@@ -1,6 +1,6 @@
-The MIT License (MIT)
+MIT License
 
-Copyright (c) 2016 Hust.cc
+Copyright (c) 2019 hustcc
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
@@ -18,4 +18,4 @@ 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.
+SOFTWARE.

__tests__/index.spec.ts

@@ -0,0 +1,69 @@
+import fileSize from '../src';
+
+describe('fileSize.js', () => {
+  let bytes, i, unit;
+  const jedec = ['', 'K', 'M', 'G', 'T', 'P', 'E', 'Z', 'Y'];
+  const si = ['', 'k', 'M', 'G', 'T', 'P', 'E', 'Z', 'Y'];
+
+  test('jedec', () => {
+    // test `bytes`, default spec `jedec`
+    bytes = 1.98765;
+
+    for (i = 0; i < jedec.length; i++) {
+      unit = jedec[i];
+      expect(fileSize(bytes)).toBe('2.0 ' + unit + 'b'); // default fixed = 1
+      expect(fileSize(bytes, undefined, 'jedec')).toBe('2.0 ' + unit + 'b'); // default fixed = 1
+      expect(fileSize(bytes, 2, 'not_exist_spec')).toBe('1.99 ' + unit + 'b'); // default spec = 'jedec'
+
+      expect(fileSize(bytes, 4)).toBe('1.9876 ' + unit + 'b'); // test fixed = 3
+      bytes *= 1024;
+    }
+  });
+
+  test('si', () => {
+    // test spec `si`
+    bytes = 1.23456;
+    for (i = 0; i < si.length; i++) {
+      unit = si[i];
+      expect(fileSize(bytes, undefined, 'si')).toBe('1.2 ' + unit + 'b');
+
+      expect(fileSize(bytes, 4, 'si')).toBe('1.2346 ' + unit + 'b'); // test fixed = 3
+      bytes *= 1000;
+    }
+  });
+
+  test('iec', () => {
+    // test spec `iec`
+    bytes = 1.98765;
+    const iec = ['', 'Ki', 'Mi', 'Gi', 'Ti', 'Pi', 'Ei', 'Zi', 'Yi'];
+    for (i = 0; i < iec.length; i++) {
+      unit = iec[i];
+      expect(fileSize(bytes, undefined, 'iec')).toBe('2.0 ' + unit + 'b');
+
+      expect(fileSize(bytes, 3, 'iec')).toBe('1.988 ' + unit + 'b'); // test fixed = 3
+      bytes *= 1024;
+    }
+  });
+
+  test('other', () => {
+    // test negative
+    bytes = -1.98765;
+    for (i = 0; i < jedec.length; i++) {
+      unit = jedec[i];
+      expect(fileSize(bytes)).toBe('2.0 ' + unit + 'b'); // default fixed = 1
+      expect(fileSize(bytes, undefined, 'jedec')).toBe('2.0 ' + unit + 'b'); // default fixed = 1
+      expect(fileSize(bytes, 2, 'not_exist_spec')).toBe('1.99 ' + unit + 'b'); // default spec = 'jedec'
+
+      expect(fileSize(bytes, 4)).toBe('1.9876 ' + unit + 'b'); // test fixed = 3
+      bytes *= 1024;
+    }
+    // bytes
+    expect(fileSize(123456)).toBe('120.6 Kb');
+    // fixed
+    expect(fileSize(123456, 0)).toBe('121 Kb');
+    expect(fileSize(123456, 4)).toBe('120.5625 Kb');
+    // spec, jedec / iec / si
+    expect(fileSize(123456, 2, 'iec')).toBe('120.56 Kib');
+    expect(fileSize(123456, 0, 'si')).toBe('123 kb');
+  });
+});