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