openlayers
Version:
Build tools and sources for developing OpenLayers based mapping applications
40 lines (34 loc) • 1.19 kB
JavaScript
goog.provide('ol.string');
/**
* @param {number} number Number to be formatted
* @param {number} width The desired width
* @param {number=} opt_precision Precision of the output string (i.e. number of decimal places)
* @returns {string} Formatted string
*/
ol.string.padNumber = function(number, width, opt_precision) {
var numberString = opt_precision !== undefined ? number.toFixed(opt_precision) : '' + number;
var decimal = numberString.indexOf('.');
decimal = decimal === -1 ? numberString.length : decimal;
return decimal > width ? numberString : new Array(1 + width - decimal).join('0') + numberString;
};
/**
* Adapted from https://github.com/omichelsen/compare-versions/blob/master/index.js
* @param {string|number} v1 First version
* @param {string|number} v2 Second version
* @returns {number} Value
*/
ol.string.compareVersions = function(v1, v2) {
var s1 = ('' + v1).split('.');
var s2 = ('' + v2).split('.');
for (var i = 0; i < Math.max(s1.length, s2.length); i++) {
var n1 = parseInt(s1[i] || '0', 10);
var n2 = parseInt(s2[i] || '0', 10);
if (n1 > n2) {
return 1;
}
if (n2 > n1) {
return -1;
}
}
return 0;
};