jQuery Command Line Interpreter Plugin - Terminal Emulator

jQuery Command Line Interpreter Plugin - Terminal Emulator
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License: MIT
   

A simple jQuery based terminal emulator that make it easy to create command line interpreter for your website or web application.  Command Line Interpreter is a blanket term for a certain class of programs designed to read lines of text entered by a user, thus implementing a command-line interface.(More info about Command Line Interpreter on WIKI). 

Licensed under GNU LGPL Version 3 license.

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Main Features:

  • Automatically call JSON-RPC service.
  • You can provide you own function in which you can parse user command.
  • Command Tree supported
  • Command line history supported
  • Tab completion supported
  • Keyboard shortcut like CTRL+A, CTRL+D, CTRL+E etc, supported
  • Authentication supported
  • Multiple Command Line Interpreters on one page supported

Installation:

# NPM
$ npm install jquery.terminal

# Bower
$ bower install jquery.terminal

Basic Usage:

1. Include jQuery library and terminal emulator plugin on your page

<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<script src="js/jquery.terminal-min.js"></script>

2. Include Mouse Wheel Plugin to support mouse wheel feature

<script src="js/jquery.mousewheel-min.js"></script>

3. Include jQuery Terminal Emulator CSS to style the plugin

<link href="css/jquery.terminal.css" rel="stylesheet"/>

4. The Javascript

<script>
    jQuery(document).ready(function($) {
        $('body').terminal("json-rpc-service-demo.php", {
            login: true,
            greetings: "You are authenticated",
            onBlur: function() {
                // the height of the body is only 2 lines initialy
                return false;
            }
        });
    });
</script>

5. Default options.

prompt: '> ',
history: true,
exit: true,
clear: true,
enabled: true,
historySize: 60,
maskChar: '*',
wrap: true,
checkArity: true,
raw: false,
exceptionHandler: null,
memory: false,
cancelableAjax: true,
processArguments: true,
linksNoReferrer: false,
processRPCResponse: null,
Token: true, // where this came from?
convertLinks: true,
extra: {},
historyState: false,
importHistory: false,
echoCommand: true,
scrollOnEcho: true,
login: null,
outputLimit: -1,
formatters: [],
onAjaxError: null,
scrollBottomOffset: 20,
wordAutocomplete: true,
clickTimeout: 200,
request: $.noop,
response: $.noop,
onRPCError: null,
completion: false,
historyFilter: null,
softPause: false,
onInit: $.noop,
onClear: $.noop,
onBlur: $.noop,
onFocus: $.noop,
onTerminalChange: $.noop,
onExit: $.noop,
onPush: $.noop,
onPop: $.noop,
keypress: $.noop,
keydown: $.noop,
strings: {
  comletionParameters: 'From version 1.0.0 completion function need to' +
      'have two arguments',
  wrongPasswordTryAgain: 'Wrong password try again!',
  wrongPassword: 'Wrong password!',
  ajaxAbortError: 'Error while aborting ajax call!',
  wrongArity: "Wrong number of arguments. Function '%s' expects %s got" +
      ' %s!',
  commandNotFound: "Command '%s' Not Found!",
  oneRPCWithIgnore: 'You can use only one rpc with ignoreSystemDescr' +
      'ibe or rpc without system.describe',
  oneInterpreterFunction: "You can't use more than one function (rpc " +
      'without system.describe or with option ignoreSystemDescribe cou' +
       'nts as one)',
  loginFunctionMissing: "You didn't specify a login function",
  noTokenError: 'Access denied (no token)',
  serverResponse: 'Server responded',
  wrongGreetings: 'Wrong value of greetings parameter',
  notWhileLogin: "You can't call `%s' function while in login",
  loginIsNotAFunction: 'Authenticate must be a function',
  canExitError: "You can't exit from main interpreter",
  invalidCompletion: 'Invalid completion',
  invalidSelector: 'Sorry, but terminal said that "%s" is not valid ' +
      'selector!',
  invalidTerminalId: 'Invalid Terminal ID',
  login: 'login',
  password: 'password',
  recursiveCall: 'Recursive call detected, skip'
}

More Examples:

Change logs:

v1.10.0 (2017-11-09)

  • fix scroll to bottom on scrolling when terminal is disabled

v1.10.0 (2017-11-08)

  • new api for formatters Array with 2 elements regex and replacement string (it fix issue when formatters change length of string - emoji demo)
  • normalize IE key property for keymap + always use +SPACEBAR if there is any control key
  • cursor text for terminal and cmd
  • onEchoCommand callback gets second argument command
  • cmd keymap api function, along with object and no arguments, accept string as first argument and function as second
  • only one exception per callback event
  • select all context menu (based on idea from CodeMirror)
  • bugfix

v1.9.0 (2017-10-10)

  • new api utils $.terminal.length and $.terminal.columns
  • echo array (resizable in columns that fit the width, using settings.tabs as pad right)
  • callback function parseObject that's called on object different then string (on render)
  • calling option method with numRows or numChars redraw terminal output (for testing)
  • onFlush callback (called when text is rendered on screen in flush method)
  • regex helper $.terminal.formatter created using Symbols can be use instead of regex
  • new option pasteImage (default true)
  • CTRL+C cancel command like in bash if no selection
  • refresh API method
  • new api method display_position in cmd plugin that return corrected position of the cursor if cursor in the middle of the word that got replaced by longer or shorter string in formatting function (fix for emoji demo)

v1.8.0 (2017-09-24)

  • allow to return promise from prompt + fix promise in echo
  • add back context menu paste that was removed by mistake
  • make terminal work in Data URI (access to cookies was throwing exception in Chrome)
  • fix case insensitive autocomplete when there is single completion
  • fix completion error when more then one completion
  • fix artificialy triggered click
  • fix focus issue when you have multiple terminals
  • fix css animations
  • fix move cursor on click
  • fix quick click to focus + CTRL+V 
  • fix outputLimit
  • fix exception that sometimes happen on mouseup

v1.7.2 (2017-09-17)

  • fix blur when click ouside terminal when element you click is on top of terminal
  • this is terminal instance inside echo function
  • fix localStorage exception and empty line height while creating terminal from data URI
  • refocus when click on terminal (fix for :focus-within)

v1.6.4 (2017-08-31)

  • build

v1.6.3 (2017-08-28)

  • bugfix

v1.6.2 (2017-08-20)

  • fix altGr+key issue

v1.6.1 (2017-08-15)

  • don't call encode in escape_formatting

v1.6.0 (2017-08-11)

  • new API method apply_formatters
  • add UMD (requested by @fazelfarajzade)
  • add new events: onEchoCommand and onAfterRedraw

v1.5.3 (2017-08-01)

  • fix cursor over entity
  • fix space scroll page

v1.5.2 (2017-08-01)

  • keep formatting when cursor is over one
  • fix jumping prompt when it have newlines

v1.5.1 (2017-07-29)

  • fix autofocus with position: fixed
  • fix input method using sogou keyboard on windows
  • fix long line wrapping and click to move cursor with wider characters like Chinese

v1.5.0 (2017-07-10)

  • run fake keypress and keydown created in input when not fired by the browser (android)
  • improve perfomance by calculating char size only on resize and init (issue reported by @artursOs)
  • new cmd delegate method get_position/set_position added to terminal
  • resolve promises returned from intrpreter in jQuery 2.x
  • allow to use newlines in prompt
  • don't rethrow user exception when exceptionHandler is set (mainly for testing that option)
  • add option describe that is a string mapping procs from system.describe procs (default "procs") it can be "result" or "result.procs" if system.describe is normal JSON-RPC method
  • add option to cmd::disable to not blur so it don't hide android keyboard on pause
  • don't enable terminal on init on Android
  • fix next key after CTRL+V that was triggering input event (reported by @artursOs)
  • fix parsing strings
  • don't hide virtual keyboard on Android when called pause()
  • fix input on Firefox with google keyboard (reported by Filip Wieland)
  • disable terminal on resume event in cordova (is the terminal is disabled when no virutal keyboard)
  • fix moving cursor on click (after multiline command) and the height of the cmd plugin
  • fix escape completion (that enabled by default)
  • remove hardcoded DemoService from json-rpc system.describe

v1.4.3 (2017-06-18)

  • don't execute keypress callback when terminal is disabled
  • fix android (input event was not bind)
  • disable keypress when you press CTRL+key and caps-lock is on

v1.4.2 (2017-05-18)

  • fix context menu pasting and pasting images when terminal not in focus

v1.4.1 (2017-05-16)

  • add rel="noopener" to all links
  • remove anonymous function name that was duplicating parameter with the same name

v1.4 (2017-05-10)

  • fix recursive exception when finalize echo function throw exception
  • fix underline animation
  • add paste using context menu
  • fix wordAutocomplete and add completionEscape option
  • improve parsing commands (it now convert "foo"bar'baz' to foobarbaz like bash)
  • fix normalize and substring
  • remove empty formatting in normalize function

v1.3.1 (2017-05-05)

  • fix cols/rows that was causing signature to not show

v1.3.0 (2017-05-04)

  • remove onPop event from main interpreter (with null as next)
  • add args_quotes to parse_/split_ command api utilities
  • mousewheel work without jQuery mousewheel and fix jumps of text
  • paste of images (using echo) in browsers that support clipboard event
  • fix number of rows after adding underline animation
  • fix outputLimit
  • element resizer (as jQuery plugin) that work inside iframe
  • add IntersectionObserver to add resizer and call resize (not all browser support it,
  • polyfill exists)
  • add MutationObserver to detect when terminal is added/removed from DOM and
  • call IntersectionObserver when added
  • fix calculation of cols and rows
  • New API utiltites normalize, substring, unclosed_strings and helper iterate_formatting
  • strings object are not longer saved in variable on terminal creation so you can
  • change it dynamically after terminal is created (use command to change language)
  • when using rpc or object interpreter it will throw exception when there are
  • unclosed strings
  • add default formatter that handle nested formatting

v1.2.0 (2017-04-22)

  • make terminal accessible to screen readers

v1.1.4 (2017-04-18)

  • fix size with css var with underline animation
  • fix minified css (cssnano was removing unused animations)

v1.1.3 (2017-04-16)

  • fix click to change position when command have newlines

v1.1.2 (2017-04-12)

  • from pauseEvents option form cmd plugin - it always execute keyboard events

v1.1.1 (2017-04-09)

  • don't fire keymap when terminal paused
  • fix delete in IE11
  • restore order of keymap/keydown - keydown is executed first

v1.1.0 (2017-04-09)

  • fix delete in IE11
  • fix CMD+V on MacOS chrome
  • add stay option to insert same as in cmd plugin
  • add option pauseEvents - default set to true
  • fix exception when calling purge more then once
  • fix history: false option
  • keymap have priority over keydown so you can overwrite with CTRL+D keymap function
  • Fix list of contributors in package.json and add script that display json list of them

v1.0.15 (2017-03-24)

  • fix echo command when press tab twice and there are more then one completion
  • fix CTRL+D when paused (it now resume the interpreter)
  • focus don't enable terminal when paused (it was hidden by you could enter text)

v1.0.14 (2017-03-15)

  • fix moving of the content on focus/blur when command line at the bottom
  • don't move cursor on click when focusing
  • throw exception about key property polyfill on init of cmd plugin

v1.0.12 (2017-03-12)

  • fix cursor position when click on word completion on Android

v1.0.11 (2017-03-11)

  • fix dead keys logic (for special keys that don't trigger keypress like delete)

v1.0.10 (2017-03-04)

  • fix dead_keys logic (when keypress after special keys like arrows)

v1.0.8 (2017-02-28)

  • fix paste in IE and Edge

v1.0.7 (2017-02-27)

  • fix exec when pause called in onInit
  • fix reverse search
  • fix 3 argument in completion error
  • fix login from hash for async JSON-RPC
  • fix focus(false)/disable in exec from hash
  • fix regression of pasting in MacOS
  • scroll to bottom in insert method
  • remove default extra property from interpreter (all properties are saved in interperter)
  • and make main options extra pass to intepterer not using extra property
  • fix completion when text have spaces (escaped or inside quotes)
  • fix dead keys on MacOSX (testing shortcuts now require keydown and keypress events)

v1.0.6 (2017-02-17)

  • fix AltGr on non US keyboard layouts

v1.0.5 (2017-02-11)

  • fix CTRL+D to delete forward one character
  • don't use user agent sniffing to get scroll element if terminal attached to body
  • fix & on French layout

v1.0.4 (2017-02-09)

  • fix keypress with key polyfill
  • fix CTRL+V in Firefox and IE
  • fix issue in jQuery >= 3.0
  • fix space, backspace, resize and arrows in IE
  • fix middle mouse paste on GNU/Linux
  • fix signature

v1.0.0 (2017-02-06)

  • simplify changing of terminal colors using css variables
  • always export history and import when importHistory option is true
  • add bar and underline cursor animations and a way to enable it with single css variable
  • recalcualate cols and rows on terminal resize (not only window)
  • request/response and onPush/onPop callbacks
  • all callbacks have terminal as `this` (terminal in parameter stay the same)
  • add option softPause to control pause visible option - it don't hide the prompt when set to true
  • add wordAutocomplete option (default true)
  • add complete and before_cursor api methods and use it for autocomplete
  • formatting for command line (you can't type formatting but you can use $.terminal.formatters to
  • format command you're writing)
  • new option formatters for echo (error method by default disable formatters)
  • interpeter and terminal accept extra option that can be use in onPop or onPush
  • add keymap option to cmd, terminal and interpreter where you can add shortcuts
  • clicking on character, in cmd plugin, move cursor to that character
  • BUGS fixed
  • completion function now have two arguments string and callback and terminal is in this
  • removed setInterpreter, parseArguments, splitArguments, parseCommand and splitCommand
  • if you execute keydown event manualy to trigger terminal/cmd shortcuts you need to pass key property with key name
  • see spec/terminalSpec.js file

v0.11.23 (2017-01-08)

  • add scrollBottomOffset option

v0.11.22 (2016-12-10)

  • scroll to bottom of the terminal when option scrollOnEcho is set to false but the terminal is at the bottom, add new api methods is_bottom and scroll_to_bottom.

v0.11.21 (2016-11-29)

  • don't scroll to terminal (using caret plugin) when it's disabled
  • don't convert links to formatting when raw option is true
  • fix getting data from local storage
  • remove spell check and auto capitalize from textarea

v0.11.18 (2016-11-22)

  • fix getting data from local storage
  • remove spell check and auto capitalize from textarea

v0.11.18 (2016-11-19)

  • fix input method

v0.11.17 (2016-11-15)

  • fix echo when line is short and have newlines
  • add global and echo option wrap to disable long line wrapping
  • don't send warning when mime for JSON-RPC is text/json

v0.11.15 (2016-11-12)

  • replace json_stringify with JSON.stringify
  • fix focus on desktop and mobile
  • allow only memory storage with memory option set to true

v0.11.12 (2016-11-05)

  • Add memory option that allow to not use localStorage nor Cookies

v0.11.12 (2016-11-03)

  • Fix focus on mobile

v0.11.11 (2016-10-08)

  • fix do not enable the terminal on click if it's frozen

v0.11.10 (2016-09-29)

  • fix focus on click

v0.11.9 (2016-09-23)

  • fix outputLimit option

v0.11.8 (2016-09-22)

  • add scrollOnEcho option

v0.11.7 (2016-09-18)

  • fix History::last

v0.11.6 (2016-09-16)

  • fix flush new API method $.terminal.last_id
  • fix focus on Android

v0.11.4 (2016-09-11)

  • allow to change completion using option API method

v0.11.3 (2016-09-06)

  • Add echoCommand option

v0.11.2 (2016-09-05)

  • allow to select text using double click

v0.10.11 (2016-06-06)

  • More fixes.

v0.10.10 (2016-06-02)

  • Escape brackets while echo completion strings

v0.10.9 (2016-05-12)

  • fix issue with jQuery Timers when page included another jQuery after initialization

v0.10.7 (2016-05-12)

  • fix if interpreter is an array and have function

v0.10.6 (2016-05-11)

  • Fix exit build in command and make all builtin case sensitive

v0.10.5 (2016-05-06)

  • Prevent infinite loop in terminal::active when no terminal

v0.10.3 (2016-05-03)

  • keepWords option to echo and words parameter in split_equal
  • Fix login for nested intepreters
  • Fix destroy of cmd plugin
  • Fix url regex for formatting
  • Fix saving commands in hash
  • Allow to disable completion in nested interpreter
  • Change position of cursor in reverse history search
  • Fix pasting in Firefox
  • Exec is adding command to history
  • Fix execHash in FireFox
  • Testsing terminal and cmd plugin + call from command line
  • Fix exec for nested login rpc command
  • Fix exec from hash if commands use pause/resume
  • Fix exec for build in commands
  • Fix other various exec from hash issues
  • Fix local logout and login command
  • mousewheel and resize options for interpreter
  • use MIT license
  • onExport and onImport events

v0.9.3 (2015-12-25)

  • Change settings to method
  • Fix process_commands and escape_regex
  • Fix login from hash
  • Fix raw echo
  • Don't print empty string after removing extended commands strings
  • Fix history_state method

v0.9.2 (2015-12-17)

  • Don't change command line history if ctrl key is pressed
  • Fix middle mouse copy on linux
  • fix resize issue

v0.9.1 (2015-12-13)

  • Add freeze and frozen API methods

v0.8.8 (2014-07-11)

  • Fix 2 json rpc bugs

v0.8.7 (2014-03-22)

  • Space after fully completed command

v0.8.6 (2014-03-13)

  • Space after fully completed command

v0.8.5 (2014-03-11)

  • Fix colors regex and names (from css), use case insensitive regex in formatting

v0.8.4 (2014-03-09)

  • Fix redraw lines on import_view, fix calculating rows

v0.8.3 (2014-03-07)

v0.8.2 (2014-02-26)

  • update

v0.8.1 (2014-02-24)

  • update

v0.8.0 (2014-02-24)

  • CTRL+L Clear terminal
  • Shift+Enter insert newline
  • Remove tabcompletion option (now completion can be true, array or function)
  • Add onRPCError callback
  • Interpreter can be an array
  • ignoreSystemDescribe option
  • Handle invalid JSON-RPC
  • CSS style for standalone cmd plugin
  • using CSS3 Animation for blinking if supported
  • Fix [0m
  • Better error handling (all messages are in $.terminal.defaults.strings)
  • Named colors for terminal formatting
  • expose settings and login function
  • more tools in $.terminal
  • paste kill text with CTRL+Y
  • paste text from selection using middle mouse button
  • Fix login, history and exec
  • Disable few things when in login function
  • All Strings are in $.terminal.defaults.strings
  • more functions in $.terminal object

v0.7.12 (2013-12-13)

  • Don't calcualte num of chars when terminal is not visible
  • Add rest property to parseCommand

v0.7.11 (2013-12-13)

  • Fix last history command

v0.7.10 (2013-11-30)

  • Fix reverse search

v0.7.9 (2013-11-29)

  • Don't show version when calling terminal from source file, allow for terminal without interpreter

v0.7.5 (2013-08-13)

  • Fix flush, add option linksNoReferer

v0.7.4 (2013-08-11)

  • Fix interpreter when there is not system.describe in JSON-RPC
  • Add method flush and fix refresh

 


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