numgen

Creates objects that generate number sequences. Objects are iterable according to ECMAScript 6 (for example, they can be used in for-of loop).

Disclaimer: this package does not have anything common with ECMAScript 6 generators nor with yield operator.

Installation

Node

npm install numgen

Component

component install gamtiq/numgen

Jam

jam install numgen

Bower

bower install numgen

JSPM

jspm install numgen

SPM

spm install numgen

AMD, <script>

Use dist/numgen.js or dist/numgen.min.js (minified version).

Usage

Node, Component, JSPM, SPM

var NumGen = require("numgen");

Duo

var NumGen = require("gamtiq/numgen");
...

Jam

require(["numgen"], function(NumGen) {
    ...
});

JSPM

System.import("numgen").then(function(NumGen) {
    ...
});

AMD

define(["path/to/dist/numgen.js"], function(NumGen) {
    ...
});

Bower, <script>

<!-- Use bower_components/numgen/dist/numgen.js if the library was installed by Bower -->
<script type="text/javascript" src="path/to/dist/numgen.js"></script>
<script type="text/javascript">
    // numgen is available via NumGen field of window object
    ...
</script> 

Example

var seq = new NumGen({
                        startValue: 3,
                        factor: 4,
                        valueChange: function(data) {
                            return data.index > 1 ? data.current : data.value;
                        }
                    });
console.log("Geometric progression:");
for (var nI = 1; nI < 11; nI++) {
    console.log("#", nI, " - ", seq.getNext());
}
 
console.log("Next: ");
for (var num of seq) {
    nI = seq.getIndex();
    console.log("#", nI, " - ", num);
    if (nI > 19) {
        break;
    }
}

See test/numgen.js for additional examples.

API

See doc folder.

License

MIT