terriajs/lib/Core/hashFromString.js

Geospatial data visualization platform.

'use strict';

// Returns a 32-bit integer hash of a string.  '' => 0.
function hashFromString(s) {
    return Math.abs(s.split('').reduce(function(prev, c) {
        var hash = ((prev << 5) - prev + c.charCodeAt(0));
        return hash;
    }, 0));
}

module.exports = hashFromString;