Mouse Dictionary: Super Fast Dictionary

Mouse Dictionary is a super fast dictionary for Chrome and Firefox.

Features:

• Super fast (react in 1/60 second)
• Awesome phrases detection
• Capable of importing your own text data
• Available on PDF documents!
• Look up connected words at one
  • camelCase -> "camel", "case"
  • snake_case -> "snake", "case"
  • splitinto -> "split into"
• Customizable view
• Available not only on very normal document:
  • YouTube captions
  • input elements
  • textarea
  • ...

Download it.

• For Chrome
• For Firefox

Use it:

• Getting started

Screenshots

English-Japanese

Japanese-English

German

Want to use for the German language? Take a look these great articles!

• MOUSE DICTIONARY MIT WADOKU-WÖRTERBUCH
• MOUSE DICTIONARY 2

How to develop

Preparation

Use npm 6+.

npm install

Build

Debug build

For Chrome:

npm run build-chrome

For Firefox:

npm run build-firefox

Release build

For Chrome:

npm run release-chrome

For Firefox:

npm run release-firefox

Watch

If you want to keep building every time after you edit source code, watch would be quite useful.

For Chrome:

npm run watch-chrome

For Firefox:

npm run watch-firefox

Contribution

For the moment, Mouse Dictionary project doesn't have any strict rule about contribution. Feel free to create any issues and pull requests.

Some guides:

• Editor: the main developer uses VSCode
• Before you commit: try running npm run test and npm run lint

Cross-extension messaging

Mouse Dictionary supports receiving cross-extension messages. One example of an extension that implements sending message to this extension is Mouse Dictionary iframe support.

Here is a code example for sending a message to Mouse Dictionary. You can make Mouse Dictionary look up words/expressions from other extensions.

const MD_EXTENSION_ID = "dnclbikcihnpjohihfcmmldgkjnebgnj";

chrome.runtime.sendMessage(MD_EXTENSION_ID, {
  type: "text",
  text: "rained cats and dogs"
});

Parameters:

name	type	value
type	string	must be "text"
text	string	text you want to look up

License

Mouse Dictionary is published under the MIT license.

Third-party data

This project includes some third-party data:

Dictionary data

ejdic-hand

• https://github.com/kujirahand/EJDict
• License: Public domain

Images

bookmark icon, gear icon

• https://www.iconfinder.com/iconsets/wpzoom-developer-icon-set
• License: Creative Commons (Attribution-Share Alike 3.0 Unported)

Build-in PDF viewer

A build-in PDF viewer based on PDF.js.

Great JavaScript libraries

See package.json

See also

Chrome 拡張の高速な英語辞書ツールをつくりました(a Japanese tutorial)