Servicedock: Webgui for Docker Swarm. Manage Docker Swarm a a Service.
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

26 lines
480 B

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 {
return nodes.length;
}
} else {
return 1;
}
}
return 0;
}).raw = true;