93 lines
2.1 KiB
JavaScript
93 lines
2.1 KiB
JavaScript
|
'use strict';
|
||
|
|
module.exports = function (object, filterFn) {
|
||
|
|
return cleanYamlObj(object, filterFn || defaultFilter, true, []);
|
||
|
|
};
|
||
|
|
|
||
|
|
function cleanYamlObj(object, filter, isRoot, seen) {
|
||
|
|
if (object === undefined) {
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (typeof object === 'function') {
|
||
|
|
return object.toString();
|
||
|
|
}
|
||
|
|
|
||
|
|
if (Buffer.isBuffer(object)) {
|
||
|
|
return 'Buffer\n' + object.toString('hex').split('')
|
||
|
|
.reduce(function (set, c) {
|
||
|
|
if (set.length && set[set.length - 1].length === 1) {
|
||
|
|
set[set.length - 1] += c;
|
||
|
|
if (set.length && set.length % 20 === 0) {
|
||
|
|
set[set.length - 1] += '\n';
|
||
|
|
} else {
|
||
|
|
set[set.length - 1] += ' ';
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
set.push(c);
|
||
|
|
}
|
||
|
|
return set;
|
||
|
|
}, []).join('').trim();
|
||
|
|
}
|
||
|
|
|
||
|
|
if (object && typeof object === 'object') {
|
||
|
|
if (object instanceof RegExp) {
|
||
|
|
return object.toString();
|
||
|
|
}
|
||
|
|
|
||
|
|
seen = seen.concat([object]);
|
||
|
|
|
||
|
|
var isArray = Array.isArray(object);
|
||
|
|
|
||
|
|
// Fill in any holes. This means we lose expandos,
|
||
|
|
// but we were gonna lose those anyway.
|
||
|
|
if (isArray) {
|
||
|
|
object = Array.apply(null, object);
|
||
|
|
}
|
||
|
|
|
||
|
|
var isError = object && typeof object === 'object' && object instanceof Error;
|
||
|
|
|
||
|
|
var set = isArray ? [] : {};
|
||
|
|
|
||
|
|
// name is typically not an ownProperty on an Error
|
||
|
|
if (isError && object.name && !object.hasOwnProperty('name') && filter('name', isRoot, object, set)) {
|
||
|
|
setProp('name', object, set, seen, filter);
|
||
|
|
}
|
||
|
|
|
||
|
|
var keys = Object.getOwnPropertyNames(object);
|
||
|
|
return keys.reduce(function (set, k) {
|
||
|
|
// magic property!
|
||
|
|
if (isArray && k === 'length') {
|
||
|
|
return set;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Don't dump massive EventEmitter and Domain
|
||
|
|
// objects onto the output, that's never friendly.
|
||
|
|
if (isError && /^domain/.test(k)) {
|
||
|
|
return set;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!filter(k, isRoot, object, set)) {
|
||
|
|
return set;
|
||
|
|
}
|
||
|
|
|
||
|
|
setProp(k, object, set, seen, filter);
|
||
|
|
|
||
|
|
return set;
|
||
|
|
}, set);
|
||
|
|
}
|
||
|
|
|
||
|
|
return object;
|
||
|
|
}
|
||
|
|
|
||
|
|
function setProp(propName, source, target, seen, filter) {
|
||
|
|
if (seen.indexOf(source[propName]) === -1) {
|
||
|
|
target[propName] = cleanYamlObj(source[propName], filter, false, seen);
|
||
|
|
} else {
|
||
|
|
target[propName] = '[Circular]';
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function defaultFilter() {
|
||
|
|
return true;
|
||
|
|
}
|