postfix.js

Complex features made easy

$ yarn add [-D] postfix.js
# or
$ npm i -D postfix.js

ES6 import

import postfix, {
    stackify,
} from "postfix.js";

CommonJS require

var postfix = require("postfix.js").default;
    stackify = require("postfix.js").stackify;

UMD bundle

dist/core.js and dist/core.min.js are UMD bundles.

/* Using AMD require */
require([
    "https://unpkg.com/postfix.js",
], function (postfix) {
    // postfix
    // postfix.stackify
});

<!-- Using html <script>-tag -->
<script src="https://unpkg.com/postfix.js"></script>

Usage

postfix("60 5 7 5 - * /"); // [ 6 ]
postfix("60 5 / 7 5 - *"); // [ 24 ]

postfix("1 2 x -", {
    "x": stack => stack.reverse(),
}); // [ 1 ]

postfix("-1 abs", {
    "abs": stackify(Math.abs),
}); // [ 1 ]

Nativly supported operations: +, -, *, /, % and ^ (Math.pow)