From 1b40042222aece92e48b0ab0c46c24ad3ec2ac54 Mon Sep 17 00:00:00 2001
From: Dmitry Shirokov <dshirokov@seek.com.au>
Date: Fri, 25 Sep 2020 21:27:49 +1000
Subject: [PATCH] feat: Make it work in browser

---
 .gitignore        |  1 +
 README.md         | 16 +++++++++++++---
 package.json      | 42 ++++++++++++++++++++++++++++++++++++++----
 src/fs/browser.ts |  3 +++
 src/fs/node.ts    |  9 +++++++++
 src/index.ts      | 11 ++---------
 6 files changed, 66 insertions(+), 16 deletions(-)
 create mode 100644 src/fs/browser.ts
 create mode 100644 src/fs/node.ts

diff --git a/.gitignore b/.gitignore
index 0d608f6..05061fb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@ node_modules
 coverage
 npm-debug.log
 lib
+TODO.md
diff --git a/README.md b/README.md
index d49d4dd..819a98c 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,14 @@
 # chardet [![Build Status](https://travis-ci.org/runk/node-chardet.png)](https://travis-ci.org/runk/node-chardet)
 
-Chardet is a character detection module for NodeJS written in pure Javascript.
-Module is based on ICU project http://site.icu-project.org/, which uses character
-occurency analysis to determine the most probable encoding.
+*Chardet* is a character detection module written in pure Javascript (Typescript). Module uses occurrence analysis to determine the most probable encoding.
+
+- Packed size is only **22 KB**
+- Works in all environments: Node / Browser / Native
+- Works on all platforms: Linux / Mac / Windows
+- No dependencies
+- No native code / bindings
+- 100% written in Typescript
+- Extensive code coverage
 
 ## Installation
 
@@ -87,3 +93,7 @@ Currently only these encodings are supported.
 ## Typescript?
 
 Yes. Type definitions are included.
+
+### References
+
+- ICU project http://site.icu-project.org/
diff --git a/package.json b/package.json
index de04c47..d3fe8aa 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "chardet",
   "version": "0.0.0-development",
   "homepage": "https://github.com/runk/node-chardet",
-  "description": "Character detector",
+  "description": "Character encoding detector",
   "license": "MIT",
   "repository": {
     "type": "git",
@@ -22,8 +22,8 @@
     "prepublish": "npm run build",
     "semantic-release": "semantic-release"
   },
-  "main": "lib/index.js",
   "files": ["lib"],
+  "main": "lib/index.js",
   "typings": "lib/index.d.ts",
   "engine": {
     "node": ">=4"
@@ -50,7 +50,38 @@
     "utf8",
     "detector",
     "chardet",
-    "icu"
+    "icu",
+    "character detection",
+    "character encoding",
+    "language",
+    "iconv",
+    "iconv-light",
+    "UTF-8",
+    "UTF-16",
+    "UTF-32",
+    "ISO-2022-JP",
+    "ISO-2022-KR",
+    "ISO-2022-CN",
+    "Shift_JIS",
+    "Big5",
+    "EUC-JP",
+    "EUC-KR",
+    "GB18030",
+    "ISO-8859-1",
+    "ISO-8859-2",
+    "ISO-8859-5",
+    "ISO-8859-6",
+    "ISO-8859-7",
+    "ISO-8859-8",
+    "ISO-8859-9",
+    "windows-1250",
+    "windows-1251",
+    "windows-1252",
+    "windows-1253",
+    "windows-1254",
+    "windows-1255",
+    "windows-1256",
+    "KOI8-R"
   ],
   "author": "Dmitry Shirokov <deadrunk@gmail.com>",
   "contributors": [
@@ -59,5 +90,8 @@
     "@suisho",
     "@seangarner",
     "@zevanty"
-  ]
+  ],
+  "browser": {
+    "./lib/fs/node.js": "./lib/fs/browser.js"
+  }
 }
diff --git a/src/fs/browser.ts b/src/fs/browser.ts
new file mode 100644
index 0000000..9795f91
--- /dev/null
+++ b/src/fs/browser.ts
@@ -0,0 +1,3 @@
+export default () => {
+  throw new Error('File system is not available');
+};
diff --git a/src/fs/node.ts b/src/fs/node.ts
new file mode 100644
index 0000000..ebbedde
--- /dev/null
+++ b/src/fs/node.ts
@@ -0,0 +1,9 @@
+let fsModule: any;
+
+export default () => {
+  if (typeof module === 'object' && typeof module.exports === 'object') {
+    fsModule = fsModule ? fsModule : require('fs');
+    return fsModule;
+  }
+  throw new Error('File system is not available');
+};
diff --git a/src/index.ts b/src/index.ts
index e5edcb7..6f94c9c 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,21 +1,14 @@
 import { Match } from './match';
 import { Recogniser, Context } from './encoding';
 
+import loadFs from './fs/node';
+
 import Utf8 from './encoding/utf8';
 import * as unicode from './encoding/unicode';
 import * as mbcs from './encoding/mbcs';
 import * as sbcs from './encoding/sbcs';
 import * as iso2022 from './encoding/iso2022';
 
-let fsModule: any;
-const loadFs = () => {
-  if (typeof module === 'object' && typeof module.exports === 'object') {
-    fsModule = fsModule ? fsModule : require('fs');
-    return fsModule;
-  }
-  throw new Error('File system is not available');
-}
-
 interface FullOptions {
   sampleSize: number
 }