Ecosyste.ms: Packages

An open API service providing package, version and dependency metadata of many open source software ecosystems and registries.

npmjs.org "fsm" keyword

js-fsm 0.7.0
Javascript Moore finite state machine with multiple inputs & outputs
10 versions - Latest release: about 8 years ago - 2 dependent packages - 1 dependent repositories - 15 downloads last month - 1 stars on GitHub - 1 maintainer
id-fsm 0.1.0
Small Finite State Machine implementation with LiveScript for controlling (async) flow.
1 version - Latest release: over 10 years ago - 2 dependent packages - 1 dependent repositories - 4 downloads last month - 1 maintainer
Top 5.8% on npmjs.org
@edium/fsm 2.1.4
Simple finite state machine framework that can be used with client or server.
17 versions - Latest release: over 1 year ago - 3 dependent packages - 4 dependent repositories - 1.57 thousand downloads last month - 8 stars on GitHub - 1 maintainer
@working-sloth/state-machine-ts2.5 2.1.2
State Machine for NodeJS (Typescript 2.5)
10 versions - Latest release: almost 5 years ago - 1 dependent package - 1 dependent repositories - 3 downloads last month - 3 stars on GitHub - 1 maintainer
@corey.burrows/statechart 0.3.0
Simple Stateless Statechart
6 versions - Latest release: 2 months ago - 2 dependent packages - 1 dependent repositories - 49 downloads last month - 1 stars on GitHub - 1 maintainer
xfsm-node 0.2.0
XFSM for node
4 versions - Latest release: almost 9 years ago - 1 dependent repositories - 6 downloads last month - 1 stars on GitHub - 1 maintainer
Top 6.9% on npmjs.org
float-sidebar 1.2.5
A lightweight (2kb gzipped), zero-dependency javascript library for making a sidebar float
12 versions - Latest release: over 2 years ago - 2 dependent packages - 1 dependent repositories - 1.23 thousand downloads last month - 85 stars on GitHub - 1 maintainer
Top 1.2% on npmjs.org
machina 4.0.2
A library for creating powerful and flexible finite state machines. Loosely inspired by Erlang/OT...
32 versions - Latest release: over 5 years ago - 109 dependent packages - 853 dependent repositories - 86.8 thousand downloads last month - 1,930 stars on GitHub - 2 maintainers
fsmlib 0.1.2
A finite state machine for JavaScript
3 versions - Latest release: over 3 years ago - 1 dependent package - 6 downloads last month - 5 stars on GitHub - 1 maintainer
fsm-sdk 2.1.1
Node.JS sdk to interface with SAP Field Service Management APIs.
20 versions - Latest release: over 2 years ago - 1 dependent package - 1 dependent repositories - 97 downloads last month - 3 stars on GitHub - 1 maintainer
xstate-wechat-app 4.7.3 💰
Finite State Machines and Statecharts for the Modern Web.
1 version - Latest release: over 4 years ago - 4 downloads last month - 26,171 stars on GitHub - 1 maintainer
@working-sloth/state-machine 2.1.3
State Machine for NodeJS
35 versions - Latest release: over 4 years ago - 1 dependent package - 1 dependent repositories - 10 downloads last month - 3 stars on GitHub - 1 maintainer
client-state 1.1.2
Manage Redis connections with a Finite State Machine
1 version - Latest release: almost 8 years ago - 1 dependent package - 1 dependent repositories - 4 downloads last month - 0 stars on GitHub - 1 maintainer
event-fsm 0.0.3
Finite-State Machine for Event Emitter
3 versions - Latest release: over 10 years ago - 1 dependent package - 1 dependent repositories - 4 downloads last month - 0 stars on GitHub - 1 maintainer
state-machine-js 0.0.7
A simple utility that allows you to define states and actions to transition between them
6 versions - Latest release: over 9 years ago - 1 dependent repositories - 10 downloads last month - 6 stars on GitHub - 1 maintainer
@csalasb86/nestjs-state-machine-v9 0.0.7
Finite State Machine for Nestjs framework
3 versions - Latest release: about 1 year ago - 11 downloads last month - 1 stars on GitHub - 1 maintainer
jsfsa 0.3.2
A lightweight lib for creating finite-state automata (finite-state machines)
1 version - Latest release: about 11 years ago - 2 dependent packages - 1 dependent repositories - 5 downloads last month - 26 stars on GitHub - 1 maintainer
@sunwukung/fsm 3.0.0
finite state machine library
5 versions - Latest release: over 5 years ago - 1 dependent package - 1 dependent repositories - 3 downloads last month - 0 stars on GitHub - 1 maintainer
Top 2.0% on npmjs.org
@zag-js/range-slider 0.24.0 💰
Core logic for the range-slider widget implemented as a state machine
604 versions - Latest release: 8 months ago - 9 dependent packages - 25 dependent repositories - 58.6 thousand downloads last month - 3,435 stars on GitHub - 1 maintainer
@rbxts/fsm 1.0.0
Generic finite state machine implementation for roblox-ts.
1 version - Latest release: over 2 years ago - 2 dependent packages - 5 downloads last month - 1 stars on GitHub - 1 maintainer
lite-ts-fsm 3.2.0
2 versions - Latest release: about 1 year ago - 8 downloads last month - 1 maintainer
@babichjacob/finite 0.1.0
A tiny wrapper around svelte-fsm to accommodate my preferences
2 versions - Latest release: about 2 years ago - 1 dependent package - 1 dependent repositories - 6 downloads last month - 0 stars on GitHub - 1 maintainer
fsm-reducer 1.0.2
A factory function to produce FSM reducer
3 versions - Latest release: almost 7 years ago - 3 dependent packages - 1 dependent repositories - 4 downloads last month - 0 stars on GitHub - 2 maintainers
@kineticcafe/svelte-fsm-eventless 2.0.0
Tiny (<1kb), expressive, Svelte-optimized Finite State Machine (FSM) library with support for eve...
2 versions - Latest release: 6 months ago - 11 downloads last month - 0 stars on GitHub - 1 maintainer
clinamen-fsm 0.0.8
Implementation of a simple Finite State Machine in javascript.
8 versions - Latest release: over 6 years ago - 1 dependent package - 1 dependent repositories - 11 downloads last month - 0 stars on GitHub - 1 maintainer
jabche 1.0.1
A simple hierarchical state machine.
2 versions - Latest release: almost 5 years ago - 1 dependent package - 1 dependent repositories - 7 downloads last month - 0 stars on GitHub - 1 maintainer
fslp 0.15.18
Finite State Language reference parser
5 versions - Latest release: over 5 years ago - 2 dependent packages - 1 dependent repositories - 127 downloads last month - 6 stars on GitHub - 1 maintainer
fsm-vir 1.0.1
The heroic finite state machine package.
8 versions - Latest release: almost 3 years ago - 3 dependent packages - 2 dependent repositories - 11 downloads last month - 0 stars on GitHub - 1 maintainer
@x/unify.fsm 0.6.35
State machines for the @x/unify platform
43 versions - Latest release: about 1 year ago - 2 dependent packages - 1 dependent repositories - 39 downloads last month - 0 stars on GitLab.com - 1 maintainer
state-waiter 1.1.0
Handle async states conveniently.
7 versions - Latest release: 4 months ago - 10 dependent packages - 72 downloads last month - 1 stars on GitHub - 1 maintainer
drudgeon 0.2.0
A state-machine-driven shell command runner
9 versions - Latest release: almost 9 years ago - 9 dependent packages - 5 dependent repositories - 13 downloads last month - 0 stars on GitHub - 2 maintainers
node-red-contrib-discrete-fsm 0.0.1
Discrete node state machine
1 version - Latest release: about 1 year ago - 1 dependent repositories - 10 downloads last month - 3 stars on GitHub - 1 maintainer
@protocoldesigner-dev/protocol-executor 0.1.1
Protocol executor for TypeScript
2 versions - Latest release: about 1 month ago - 14 downloads last month - 0 stars on GitHub - 1 maintainer
Top 6.8% on npmjs.org
@wmfs/statebox 1.105.0
Orchestrate Node functions using Amazon States Language
142 versions - Latest release: 6 months ago - 2 dependent packages - 2 dependent repositories - 2.03 thousand downloads last month - 42 stars on GitHub - 1 maintainer
js-fsm-parser 0.6.2
Parser for js-fsm module
2 versions - Latest release: about 8 years ago - 2 dependent packages - 1 dependent repositories - 32 downloads last month - 1 stars on GitHub - 1 maintainer
@futura/core 0.4.0-alpha.6
Modern state-machine based approach for building javascript/typescript applications
5 versions - Latest release: almost 5 years ago - 4 dependent packages - 1 dependent repositories - 4 downloads last month - 6 stars on GitHub - 1 maintainer
node-easy-flow 2.0.1
Simple and easy to use Finite State Machine for Node.js (similar to EasyFlow for Java)
3 versions - Latest release: over 7 years ago - 1 dependent package - 1 dependent repositories - 5 downloads last month - 12 stars on GitHub - 1 maintainer
traverse-cli 0.0.1
Nodejs npm module to traverse folder using code or cli or use glob patterns
1 version - Latest release: over 1 year ago - 11 downloads last month - 3 stars on GitHub - 1 maintainer
@ui-machines/core 0.0.0-dev-20220406125639
A minimal implementation of xstate fsm for UI machines
128 versions - Latest release: about 2 years ago - 24 dependent packages - 140 downloads last month - 1 maintainer
finite-spaghetti-machine 1.0.1
A very tasty state machine
2 versions - Latest release: over 9 years ago - 2 dependent packages - 2 dependent repositories - 20 downloads last month - 2 stars on GitHub - 1 maintainer
stater 0.0.1
A simple finite state machine
1 version - Latest release: about 11 years ago - 1 dependent package - 1 dependent repositories - 8 downloads last month - 0 stars on GitHub - 1 maintainer
henderson 2.0.0
A tiny event emitter-based finite state machine with promises
4 versions - Latest release: almost 8 years ago - 1 dependent package - 1 dependent repositories - 8 downloads last month - 14 stars on GitHub - 1 maintainer
bon-etat 3.0.0
A finite state machine
5 versions - Latest release: over 9 years ago - 1 dependent package - 1 dependent repositories - 6 downloads last month - 5 stars on GitHub - 1 maintainer
black-box 0.1.0
Put values in, get values out.
1 version - Latest release: almost 9 years ago - 1 dependent package - 1 dependent repositories - 3 downloads last month - 1 maintainer
@working-sloth/puml-writer 1.0.2
State Machine for NodeJS
3 versions - Latest release: almost 5 years ago - 2 dependent packages - 1 dependent repositories - 2 downloads last month - 0 stars on GitHub - 1 maintainer
traverse-fs 0.0.9
Nodejs npm module to traverse folder using code or cli or use glob patterns traverse-cli or trave...
9 versions - Latest release: over 1 year ago - 1 dependent package - 2 dependent repositories - 282 downloads last month - 3 stars on GitHub - 1 maintainer
jssm-viz-demo 5.98.2
Show how to use jssm-viz in a project, to render a jssm machine
53 versions - Latest release: about 1 month ago - 1 dependent package - 1 dependent repositories - 99 downloads last month - 7 stars on GitHub - 1 maintainer
@futura/virtual-dom 0.4.0-alpha.10
Virtual DOM implementation for futura
9 versions - Latest release: over 4 years ago - 5 dependent packages - 1 dependent repositories - 2 downloads last month - 6 stars on GitHub - 1 maintainer
humblebee 0.1.0
A general purpose FiniteStateMachine - industrious as a bee
1 version - Latest release: over 8 years ago - 2 dependent packages - 1 dependent repositories - 4 downloads last month - 0 stars on GitHub - 1 maintainer
Top 4.7% on npmjs.org
@xstate/viz 0.3.4 💰
XState visualization tools
18 versions - Latest release: almost 4 years ago - 3 dependent packages - 6 dependent repositories - 86 downloads last month - 26,171 stars on GitHub - 3 maintainers
macchina 1.0.2
A Finite States Machine to track properties that change over time
5 versions - Latest release: almost 8 years ago - 1 dependent package - 1 dependent repositories - 7 downloads last month - 4 stars on GitHub - 1 maintainer
@futura/browser 0.4.0-alpha.10
Futura applications on the browser
9 versions - Latest release: over 4 years ago - 2 dependent packages - 1 dependent repositories - 10 downloads last month - 6 stars on GitHub - 1 maintainer
FSM 1.0.3
A minimal finite state machine (FSM) for Javascript.
4 versions - Latest release: almost 8 years ago - 2 dependent packages - 1 dependent repositories - 8 downloads last month - 21 stars on GitHub - 1 maintainer
object-fsm 1.0.1
Make any JavaScript object to be a finite state machine
15 versions - Latest release: almost 6 years ago - 2 dependent packages - 1 dependent repositories - 49 downloads last month - 3 stars on GitHub - 1 maintainer
@fsmoothy/typeorm 2.1.0
Strong typed state machine for your TypeORM Entities
6 versions - Latest release: about 1 month ago - 1.05 thousand downloads last month - 10 stars on GitHub - 1 maintainer
@fsmoothy/graphviz 1.1.0
README.md
1 version - Latest release: about 1 month ago - 13 downloads last month - 10 stars on GitHub - 1 maintainer
@fsmoothy/core 1.3.0
FSMoothy is a feature-rich and easy-to-use finite state machine for TypeScript.
5 versions - Latest release: about 1 month ago - 1.2 thousand downloads last month - 10 stars on GitHub - 1 maintainer
fsmoothy 1.9.1
FSMoothy is a feature-rich and easy-to-use finite state machine for TypeScript.
15 versions - Latest release: 5 months ago - 1 dependent package - 1 dependent repositories - 1.09 thousand downloads last month - 10 stars on GitHub - 1 maintainer
@vcomm/asmgraph 1.0.8
State Diagram Notation (Graph)
7 versions - Latest release: over 2 years ago - 1 dependent package - 10 downloads last month - 1 maintainer
@futura/html 0.4.0-alpha.10
Virtual DOM based HTML implementation for futura
11 versions - Latest release: over 4 years ago - 2 dependent packages - 1 dependent repositories - 4 downloads last month - 6 stars on GitHub - 1 maintainer
@jmerle/mineflayer-statemachine 1.7.5 💰
A state machine plugin for Mineflayer to aid in designing more complex behavior trees.
6 versions - Latest release: about 1 year ago - 9 downloads last month - 107 stars on GitHub - 1 maintainer
@urbn/state-machine 0.5.1
A small Javascript Promise-based Finite State Machine implementation
14 versions - Latest release: over 2 years ago - 2 dependent packages - 1 dependent repositories - 1.1 thousand downloads last month - 2 stars on GitHub - 6 maintainers
basic-fsm 1.0.0
Simple final state machine
1 version - Latest release: over 5 years ago - 1 dependent package - 1 dependent repositories - 5 downloads last month - 1 maintainer
Top 9.9% on npmjs.org
futura 0.2.0
Modern state-machine based approach for building javascript applications
4 versions - Latest release: about 6 years ago - 2 dependent packages - 1 dependent repositories - 754 downloads last month - 6 stars on GitHub - 1 maintainer
chaining-fsm 0.0.2
An embedded method-chain interface for creating finite state machines.
3 versions - Latest release: over 9 years ago - 1 dependent package - 1 dependent repositories - 4 downloads last month - 0 stars on GitHub - 1 maintainer
paps.plain-state-machine.tools-for-unity 0.0.4-unity
Tools for easily build plain state machines in Unity 3d
2 versions - Latest release: about 4 years ago - 1 dependent package - 156 downloads last month - 0 stars on GitHub - 1 maintainer
@lz129/node-red-contrib-xstate-machine 1.3.2
Xstate-based state machine implementation using state-machine-cat visualization for node red.
1 version - Latest release: about 1 year ago - 2 downloads last month - 0 stars on GitHub - 1 maintainer
nodejs-tiny-fsm 1.0.0
小型的有限状态机框架，用于解析长连接（比如tcp、unix域）上自定义的应用层协议
1 version - Latest release: over 3 years ago - 1 dependent package - 7 downloads last month - 2 stars on GitHub - 1 maintainer
redux-fsm 0.0.1
Make you reducers an FSM
1 version - Latest release: over 8 years ago - 1 dependent repositories - 6 downloads last month - 2 stars on GitHub - 1 maintainer
fsm-validator 1.5.2
alternative for regular expressions
13 versions - Latest release: about 8 years ago - 1 dependent package - 1 dependent repositories - 18 downloads last month - 0 stars on GitHub - 1 maintainer
Top 8.8% on npmjs.org
machina.postal 0.4.0
A plugin for machina.js that auto-wires finite state machines into the postal.js local message bus.
7 versions - Latest release: about 10 years ago - 2 dependent packages - 5 dependent repositories - 95 downloads last month - 26 stars on GitHub - 1 maintainer
yafsm 0.0.0
Yet-another-finite-state-machine
1 version - Latest release: over 10 years ago - 1 dependent package - 9 dependent repositories - 2.76 thousand downloads last month - 2 stars on GitHub - 1 maintainer
futura-dom 0.3.0
DOM implementation for futura
5 versions - Latest release: over 6 years ago - 1 dependent package - 1 dependent repositories - 10 downloads last month - 0 stars on GitHub - 1 maintainer
fsm-avalon-ts 1.0.1
Avalon game logic state machine for fsm-reducer in TypeScript
2 versions - Latest release: over 5 years ago - 2 dependent packages - 1 dependent repositories - 5 downloads last month - 0 stars on GitHub - 1 maintainer
robot3-viz 1.0.4
Visualise Robot3 finite state machines
4 versions - Latest release: almost 2 years ago - 5.15 thousand downloads last month - 13 stars on GitHub - 1 maintainer
Top 1.8% on npmjs.org
stately.js 2.0.0
Stately.js is a JavaScript based finite-state machine (FSM) engine for Node.js and the browser.
5 versions - Latest release: over 6 years ago - 17 dependent packages - 71 dependent repositories - 54.2 thousand downloads last month - 813 stars on GitHub - 1 maintainer
@stitchmate/state-machines 0.0.1
A simple, predictable state machine library for TypeScript
1 version - Latest release: over 1 year ago - 1 dependent package - 3 downloads last month - 0 stars on GitHub - 1 maintainer
node-red-contrib-dsm 0.14.1
A dynamic state machine node based on the finite state machine model.
38 versions - Latest release: over 5 years ago - 1 dependent package - 5 dependent repositories - 258 downloads last month - 31 stars on GitHub - 1 maintainer
@nxg-org/mineflayer-static-statemachine 0.3.1
A state machine plugin for Mineflayer to aid in designing more complex behavior trees.
16 versions - Latest release: 2 months ago - 18 downloads last month - 0 stars on GitHub - 2 maintainers
engineering 1.0.1
Engineer lightweight finite state machines
4 versions - Latest release: almost 9 years ago - 2 dependent packages - 1 dependent repositories - 10 downloads last month - 5 stars on GitHub - 1 maintainer
@xstate/analytics 0.0.1 💰
XState analytics utilities
1 version - Latest release: over 4 years ago - 2 dependent packages - 1 dependent repositories - 7 downloads last month - 26,171 stars on GitHub - 3 maintainers
@futura/svg 0.4.0-alpha.10
Virtual DOM based SVG implementation for futura
11 versions - Latest release: over 4 years ago - 2 dependent packages - 1 dependent repositories - 2 downloads last month - 6 stars on GitHub - 1 maintainer
Top 3.1% on npmjs.org
jssm 5.98.2
A Javascript finite state machine (FSM) with a terse DSL and a simple API. Most FSMs are one-lin...
316 versions - Latest release: about 1 month ago - 6 dependent packages - 45 dependent repositories - 6.1 thousand downloads last month - 300 stars on GitHub - 1 maintainer
mfsm 2.0.0
my finite state machine. not yours. don't use it.
13 versions - Latest release: about 3 years ago - 1 dependent package - 1 dependent repositories - 38 downloads last month - 0 stars on GitHub - 1 maintainer
ttin-fsm 1.0.0
Finite State Machine
1 version - Latest release: about 8 years ago - 1 dependent repositories - 4 downloads last month - 0 stars on GitHub - 1 maintainer
@fsmify/vue 0.0.27 💰
A vue composable function for interacting with fsmify's FSM.
14 versions - Latest release: over 1 year ago - 1 dependent package - 1 dependent repositories - 18 downloads last month - 7 stars on GitHub - 1 maintainer
switchhub 1.0.0
An undoable state machine for JavaScript and TypeScript
4 versions - Latest release: over 7 years ago - 1 dependent repositories - 14 downloads last month - 5 stars on GitHub - 1 maintainer
@working-sloth/statechart-interface 1.1.0
Statechart interface
4 versions - Latest release: almost 5 years ago - 4 dependent packages - 1 dependent repositories - 7 downloads last month - 0 stars on GitHub - 1 maintainer
@danillosl/spark 0.0.11
[![styled with prettier](https://img.shields.io/badge/styled_with-prettier-ff69b4.svg)](https://g...
11 versions - Latest release: almost 3 years ago - 1 dependent package - 118 downloads last month - 0 stars on GitHub - 1 maintainer
mini-fsm 1.1.0
A js/nodejs minimum Finite State Machine with fully ES6/ES7 support
2 versions - Latest release: over 7 years ago - 1 dependent package - 1 dependent repositories - 8 downloads last month - 4 stars on GitHub - 1 maintainer
fseh 4.2.0
A minimal Finite State Event Handler for JavaScript
36 versions - Latest release: over 3 years ago - 3 dependent packages - 1 dependent repositories - 712 downloads last month - 3 stars on GitHub - 1 maintainer
jcfsm 1.0.1
Compact implementation of a finite state machine
2 versions - Latest release: almost 3 years ago - 2 dependent packages - 9 downloads last month - 0 stars on GitHub - 1 maintainer
machinist 0.2.0
Simple hierarchical state machines.
4 versions - Latest release: about 10 years ago - 1 dependent package - 1 dependent repositories - 10 downloads last month - 0 stars on GitHub - 1 maintainer
redux-automata 3.0.1
Finite state automata for Redux.
33 versions - Latest release: almost 3 years ago - 4 dependent repositories - 209 downloads last month - 70 stars on GitHub - 1 maintainer
r-sm 0.5.3
Create a very simple state machine in javascript
7 versions - Latest release: over 8 years ago - 1 dependent repositories - 11 downloads last month - 0 stars on GitHub - 1 maintainer
umlfsm 1.0.0
UML-compliant Finite State Machine
1 version - Latest release: over 6 years ago - 1 dependent repositories - 4 downloads last month - 2 stars on GitHub - 1 maintainer
pfsm 0.1.4
Persistent Finite State Machine
4 versions - Latest release: about 10 years ago - 1 dependent package - 1 dependent repositories - 9 downloads last month - 0 stars on GitHub - 1 maintainer
topic-dispatch 2.1.0
a very simplistic amqp-style topic-based dispatcher
11 versions - Latest release: about 3 years ago - 3 dependent packages - 4 dependent repositories - 28 downloads last month - 0 stars on GitHub - 1 maintainer
@fabiospampinato/fsm 1.0.5 💰
Finite State Machine implementation, with support for guards and enter/exit events.
5 versions - Latest release: over 5 years ago - 2 dependent packages - 1 dependent repositories - 16 downloads last month - 1 stars on GitHub - 1 maintainer
@fsmify/react 0.0.27 💰
A react hook for interacting with fsmify's FSM.
7 versions - Latest release: over 1 year ago - 1 dependent package - 11 downloads last month - 7 stars on GitHub - 1 maintainer
Related Keywords
state 162 machine 152 state-machine 103 state machine 101 react 90 xstate 89 ui 83 finite-state-machine 82 finite state machine 80 js 78 state-machines 78 vue 76 finite 74 a11y 72 accessibility 72 headless 72 solid 72 ui-components 72 ui-kit 72 statechart 65 javascript 60 typescript 51 component 40 chakra-ui 35 workflow 35 statemachine 32 state-management 30 utils 29 hacktoberfest 28 statecharts 27 scxml 23 visualizer 20 interpreter 20 orchestration 20 redux 18 automata 17 background-jobs 17 transition 15 primitives 13 design-systems 13 agnostic 13 automaton 12 hierarchical 12 graph 11 promise 10 async 10 visualization 8 angular 8 ui-machines 8 stateful 8 finite automata 8 flux 8 states 8 svelte 7 zag 7 hook 7 unity 6 virtual-dom 6 jssm 6 elm 6 store 6 machina 6 paps 6 bot 6 lazy 6 simple 6 c# 6 nodejs 6 event 6 devtools-extension 5 state chart 5 asynchronous 5 viz 5 typeorm 5 hsm 5 parser 5 dsl 5 node-red 5 state machines 5 dfa 5 tea 5 moore 5 functional 4 use-machine 4 fsl 4 router 4 monorepo 4 json 4 rxjs 4 sm 4 hierarchical state machine 4 diligent 4 behaviour 4 ai 4 sloth 4 behavior 4 es6 4 lightweight 4 fsa 4 html 4