Formula expressions and functions for JavaScript.
# install with npm
npm install --save formula
// ES6 import statements
import { run } from 'formula'
// CommonJS
var { and, eq, len, gt, lt, isnumber, isText, isEmail, isEmpty, lower, proper, text, date}
= require('formula')
run("sum(a, b, c) = 6", { a: 1, b: 2, c: 3})
isnumber(1),
isText('this is'),
isEmail('me@gmail.com'),
isEmpty(''),
gt(2, 1),
lt(1, 2),
and(true, false, true),
eq(len('foo'), 3),
eq(lower('HAPPY'), 'happy'),
eq(proper('happy'), 'Happy'),
eq(text(4200.00, "$#,###.00"), '$4,200.00'),
eq(text(date(2000, 2, 1), "m-d-yyyy"), '2-1-2000')
Require specific functions to reduce bundle size with tools like webpack.
var isNumber = require('formula/fn/isnumber')
var proper = require('formula/fn/proper')
There is a browser ready build in the dist folder. You can include with a as the namespace.
FAQs
Formula compiler and function library
The npm package formula receives a total of 314 weekly downloads. As such, formula popularity was classified as not popular.
We found that formula demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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