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25 lines
480 B
25 lines
480 B
var utils = require('../utils'); |
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/** |
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* Return length of the given `expr`. |
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* |
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* @param {Expression} expr |
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* @return {Unit} |
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* @api public |
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*/ |
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(module.exports = function length(expr){ |
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if (expr) { |
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if (expr.nodes) { |
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var nodes = utils.unwrap(expr).nodes; |
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if (1 == nodes.length && 'object' == nodes[0].nodeName) { |
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return nodes[0].length; |
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} else { |
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return nodes.length; |
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} |
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} else { |
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return 1; |
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} |
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} |
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return 0; |
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}).raw = true;
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