hexo/node_modules/stylus/lib/functions/base-convert.js

27 lines
725 B
JavaScript

var utils = require('../utils')
, nodes = require('../nodes');
/**
* Return a `Literal` `num` converted to the provided `base`, padded to `width`
* with zeroes (default width is 2)
*
* @param {Number} num
* @param {Number} base
* @param {Number} width
* @return {Literal}
* @api public
*/
(module.exports = function(num, base, width) {
utils.assertPresent(num, 'number');
utils.assertPresent(base, 'base');
num = utils.unwrap(num).nodes[0].val;
base = utils.unwrap(base).nodes[0].val;
width = (width && utils.unwrap(width).nodes[0].val) || 2;
var result = Number(num).toString(base);
while (result.length < width) {
result = '0' + result;
}
return new nodes.Literal(result);
}).raw = true;