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