angular.js/src/stringify.js at master · Semsemq/angular.js · GitHub

37 lines (31 loc) · 1.08 KB

'use strict';

/* exported toDebugString */

function serializeObject(obj, maxDepth) {

var seen = [];

// There is no direct way to stringify object until reaching a specific depth

// and a very deep object can cause a performance issue, so we copy the object

// based on this specific depth and then stringify it.

if (isValidObjectMaxDepth(maxDepth)) {

// This file is also included in `angular-loader`, so `copy()` might not always be available in

// the closure. Therefore, it is lazily retrieved as `angular.copy()` when needed.

obj = angular.copy(obj, null, maxDepth);

}

return JSON.stringify(obj, function(key, val) {

val = toJsonReplacer(key, val);

if (isObject(val)) {

if (seen.indexOf(val) >= 0) return '...';

seen.push(val);

}

return val;

});

}

function toDebugString(obj, maxDepth) {

if (typeof obj === 'function') {

return obj.toString().replace(/ \{[\s\S]*$/, '');

} else if (isUndefined(obj)) {

return 'undefined';

} else if (typeof obj !== 'string') {

return serializeObject(obj, maxDepth);

}

return obj;

}

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