47 lines
1.2 KiB
JavaScript
47 lines
1.2 KiB
JavaScript
/*!
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* Chai - flag utility
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* Copyright(c) 2012-2014 Jake Luer <jake@alogicalparadox.com>
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* MIT Licensed
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*/
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import {inspect} from './inspect.js';
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import {config} from '../config.js';
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/**
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* ### .objDisplay(object)
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*
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* Determines if an object or an array matches
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* criteria to be inspected in-line for error
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* messages or should be truncated.
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*
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* @param {unknown} obj javascript object to inspect
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* @returns {string} stringified object
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* @name objDisplay
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* @namespace Utils
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* @public
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*/
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export function objDisplay(obj) {
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var str = inspect(obj)
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, type = Object.prototype.toString.call(obj);
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if (config.truncateThreshold && str.length >= config.truncateThreshold) {
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if (type === '[object Function]') {
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return !obj.name || obj.name === ''
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? '[Function]'
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: '[Function: ' + obj.name + ']';
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} else if (type === '[object Array]') {
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return '[ Array(' + obj.length + ') ]';
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} else if (type === '[object Object]') {
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var keys = Object.keys(obj)
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, kstr = keys.length > 2
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? keys.splice(0, 2).join(', ') + ', ...'
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: keys.join(', ');
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return '{ Object (' + kstr + ') }';
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} else {
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return str;
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}
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} else {
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return str;
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}
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}
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