469 lines
16 KiB
JavaScript
469 lines
16 KiB
JavaScript
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var hasMap = typeof Map === 'function' && Map.prototype;
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var mapSizeDescriptor = Object.getOwnPropertyDescriptor && hasMap ? Object.getOwnPropertyDescriptor(Map.prototype, 'size') : null;
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var mapSize = hasMap && mapSizeDescriptor && typeof mapSizeDescriptor.get === 'function' ? mapSizeDescriptor.get : null;
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var mapForEach = hasMap && Map.prototype.forEach;
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var hasSet = typeof Set === 'function' && Set.prototype;
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var setSizeDescriptor = Object.getOwnPropertyDescriptor && hasSet ? Object.getOwnPropertyDescriptor(Set.prototype, 'size') : null;
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var setSize = hasSet && setSizeDescriptor && typeof setSizeDescriptor.get === 'function' ? setSizeDescriptor.get : null;
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var setForEach = hasSet && Set.prototype.forEach;
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var hasWeakMap = typeof WeakMap === 'function' && WeakMap.prototype;
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var weakMapHas = hasWeakMap ? WeakMap.prototype.has : null;
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var hasWeakSet = typeof WeakSet === 'function' && WeakSet.prototype;
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var weakSetHas = hasWeakSet ? WeakSet.prototype.has : null;
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var hasWeakRef = typeof WeakRef === 'function' && WeakRef.prototype;
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var weakRefDeref = hasWeakRef ? WeakRef.prototype.deref : null;
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var booleanValueOf = Boolean.prototype.valueOf;
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var objectToString = Object.prototype.toString;
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var functionToString = Function.prototype.toString;
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var match = String.prototype.match;
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var bigIntValueOf = typeof BigInt === 'function' ? BigInt.prototype.valueOf : null;
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var gOPS = Object.getOwnPropertySymbols;
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var symToString = typeof Symbol === 'function' && typeof Symbol.iterator === 'symbol' ? Symbol.prototype.toString : null;
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var hasShammedSymbols = typeof Symbol === 'function' && typeof Symbol.iterator === 'object';
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var isEnumerable = Object.prototype.propertyIsEnumerable;
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var gPO = (typeof Reflect === 'function' ? Reflect.getPrototypeOf : Object.getPrototypeOf) || (
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[].__proto__ === Array.prototype // eslint-disable-line no-proto
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? function (O) {
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return O.__proto__; // eslint-disable-line no-proto
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}
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: null
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);
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var inspectCustom = require('./util.inspect').custom;
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var inspectSymbol = inspectCustom && isSymbol(inspectCustom) ? inspectCustom : null;
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var toStringTag = typeof Symbol === 'function' && typeof Symbol.toStringTag !== 'undefined' ? Symbol.toStringTag : null;
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module.exports = function inspect_(obj, options, depth, seen) {
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var opts = options || {};
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if (has(opts, 'quoteStyle') && (opts.quoteStyle !== 'single' && opts.quoteStyle !== 'double')) {
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throw new TypeError('option "quoteStyle" must be "single" or "double"');
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}
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if (
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has(opts, 'maxStringLength') && (typeof opts.maxStringLength === 'number'
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? opts.maxStringLength < 0 && opts.maxStringLength !== Infinity
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: opts.maxStringLength !== null
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)
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) {
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throw new TypeError('option "maxStringLength", if provided, must be a positive integer, Infinity, or `null`');
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}
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var customInspect = has(opts, 'customInspect') ? opts.customInspect : true;
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if (typeof customInspect !== 'boolean' && customInspect !== 'symbol') {
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throw new TypeError('option "customInspect", if provided, must be `true`, `false`, or `\'symbol\'`');
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}
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if (
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has(opts, 'indent')
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&& opts.indent !== null
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&& opts.indent !== '\t'
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&& !(parseInt(opts.indent, 10) === opts.indent && opts.indent > 0)
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) {
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throw new TypeError('options "indent" must be "\\t", an integer > 0, or `null`');
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}
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if (typeof obj === 'undefined') {
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return 'undefined';
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}
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if (obj === null) {
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return 'null';
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}
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if (typeof obj === 'boolean') {
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return obj ? 'true' : 'false';
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}
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if (typeof obj === 'string') {
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return inspectString(obj, opts);
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}
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if (typeof obj === 'number') {
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if (obj === 0) {
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return Infinity / obj > 0 ? '0' : '-0';
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}
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return String(obj);
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}
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if (typeof obj === 'bigint') {
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return String(obj) + 'n';
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}
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var maxDepth = typeof opts.depth === 'undefined' ? 5 : opts.depth;
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if (typeof depth === 'undefined') { depth = 0; }
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if (depth >= maxDepth && maxDepth > 0 && typeof obj === 'object') {
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return isArray(obj) ? '[Array]' : '[Object]';
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}
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var indent = getIndent(opts, depth);
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if (typeof seen === 'undefined') {
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seen = [];
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} else if (indexOf(seen, obj) >= 0) {
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return '[Circular]';
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}
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function inspect(value, from, noIndent) {
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if (from) {
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seen = seen.slice();
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seen.push(from);
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}
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if (noIndent) {
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var newOpts = {
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depth: opts.depth
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};
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if (has(opts, 'quoteStyle')) {
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newOpts.quoteStyle = opts.quoteStyle;
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}
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return inspect_(value, newOpts, depth + 1, seen);
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}
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return inspect_(value, opts, depth + 1, seen);
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}
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if (typeof obj === 'function') {
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var name = nameOf(obj);
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var keys = arrObjKeys(obj, inspect);
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return '[Function' + (name ? ': ' + name : ' (anonymous)') + ']' + (keys.length > 0 ? ' { ' + keys.join(', ') + ' }' : '');
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}
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if (isSymbol(obj)) {
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var symString = hasShammedSymbols ? String(obj).replace(/^(Symbol\(.*\))_[^)]*$/, '$1') : symToString.call(obj);
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return typeof obj === 'object' && !hasShammedSymbols ? markBoxed(symString) : symString;
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}
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if (isElement(obj)) {
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var s = '<' + String(obj.nodeName).toLowerCase();
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var attrs = obj.attributes || [];
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for (var i = 0; i < attrs.length; i++) {
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s += ' ' + attrs[i].name + '=' + wrapQuotes(quote(attrs[i].value), 'double', opts);
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}
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s += '>';
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if (obj.childNodes && obj.childNodes.length) { s += '...'; }
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s += '</' + String(obj.nodeName).toLowerCase() + '>';
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return s;
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}
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if (isArray(obj)) {
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if (obj.length === 0) { return '[]'; }
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var xs = arrObjKeys(obj, inspect);
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if (indent && !singleLineValues(xs)) {
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return '[' + indentedJoin(xs, indent) + ']';
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}
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return '[ ' + xs.join(', ') + ' ]';
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}
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if (isError(obj)) {
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var parts = arrObjKeys(obj, inspect);
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if (parts.length === 0) { return '[' + String(obj) + ']'; }
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return '{ [' + String(obj) + '] ' + parts.join(', ') + ' }';
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}
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if (typeof obj === 'object' && customInspect) {
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if (inspectSymbol && typeof obj[inspectSymbol] === 'function') {
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return obj[inspectSymbol]();
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} else if (customInspect !== 'symbol' && typeof obj.inspect === 'function') {
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return obj.inspect();
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}
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}
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if (isMap(obj)) {
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var mapParts = [];
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mapForEach.call(obj, function (value, key) {
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mapParts.push(inspect(key, obj, true) + ' => ' + inspect(value, obj));
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});
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return collectionOf('Map', mapSize.call(obj), mapParts, indent);
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}
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if (isSet(obj)) {
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var setParts = [];
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setForEach.call(obj, function (value) {
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setParts.push(inspect(value, obj));
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});
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return collectionOf('Set', setSize.call(obj), setParts, indent);
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}
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if (isWeakMap(obj)) {
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return weakCollectionOf('WeakMap');
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}
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if (isWeakSet(obj)) {
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return weakCollectionOf('WeakSet');
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}
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if (isWeakRef(obj)) {
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return weakCollectionOf('WeakRef');
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}
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if (isNumber(obj)) {
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return markBoxed(inspect(Number(obj)));
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}
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if (isBigInt(obj)) {
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return markBoxed(inspect(bigIntValueOf.call(obj)));
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}
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if (isBoolean(obj)) {
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return markBoxed(booleanValueOf.call(obj));
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}
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if (isString(obj)) {
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return markBoxed(inspect(String(obj)));
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}
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if (!isDate(obj) && !isRegExp(obj)) {
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var ys = arrObjKeys(obj, inspect);
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var isPlainObject = gPO ? gPO(obj) === Object.prototype : obj instanceof Object || obj.constructor === Object;
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var protoTag = obj instanceof Object ? '' : 'null prototype';
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var stringTag = !isPlainObject && toStringTag && Object(obj) === obj && toStringTag in obj ? toStr(obj).slice(8, -1) : protoTag ? 'Object' : '';
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var constructorTag = isPlainObject || typeof obj.constructor !== 'function' ? '' : obj.constructor.name ? obj.constructor.name + ' ' : '';
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var tag = constructorTag + (stringTag || protoTag ? '[' + [].concat(stringTag || [], protoTag || []).join(': ') + '] ' : '');
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if (ys.length === 0) { return tag + '{}'; }
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if (indent) {
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return tag + '{' + indentedJoin(ys, indent) + '}';
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}
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return tag + '{ ' + ys.join(', ') + ' }';
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}
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return String(obj);
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};
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function wrapQuotes(s, defaultStyle, opts) {
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var quoteChar = (opts.quoteStyle || defaultStyle) === 'double' ? '"' : "'";
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return quoteChar + s + quoteChar;
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}
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function quote(s) {
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return String(s).replace(/"/g, '"');
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}
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function isArray(obj) { return toStr(obj) === '[object Array]' && (!toStringTag || !(typeof obj === 'object' && toStringTag in obj)); }
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function isDate(obj) { return toStr(obj) === '[object Date]' && (!toStringTag || !(typeof obj === 'object' && toStringTag in obj)); }
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function isRegExp(obj) { return toStr(obj) === '[object RegExp]' && (!toStringTag || !(typeof obj === 'object' && toStringTag in obj)); }
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function isError(obj) { return toStr(obj) === '[object Error]' && (!toStringTag || !(typeof obj === 'object' && toStringTag in obj)); }
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function isString(obj) { return toStr(obj) === '[object String]' && (!toStringTag || !(typeof obj === 'object' && toStringTag in obj)); }
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function isNumber(obj) { return toStr(obj) === '[object Number]' && (!toStringTag || !(typeof obj === 'object' && toStringTag in obj)); }
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function isBoolean(obj) { return toStr(obj) === '[object Boolean]' && (!toStringTag || !(typeof obj === 'object' && toStringTag in obj)); }
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// Symbol and BigInt do have Symbol.toStringTag by spec, so that can't be used to eliminate false positives
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function isSymbol(obj) {
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if (hasShammedSymbols) {
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return obj && typeof obj === 'object' && obj instanceof Symbol;
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}
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if (typeof obj === 'symbol') {
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return true;
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}
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if (!obj || typeof obj !== 'object' || !symToString) {
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return false;
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}
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try {
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symToString.call(obj);
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return true;
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} catch (e) {}
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return false;
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}
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function isBigInt(obj) {
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if (!obj || typeof obj !== 'object' || !bigIntValueOf) {
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return false;
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}
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try {
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bigIntValueOf.call(obj);
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return true;
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} catch (e) {}
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return false;
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}
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var hasOwn = Object.prototype.hasOwnProperty || function (key) { return key in this; };
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function has(obj, key) {
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return hasOwn.call(obj, key);
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}
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function toStr(obj) {
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return objectToString.call(obj);
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}
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function nameOf(f) {
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if (f.name) { return f.name; }
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var m = match.call(functionToString.call(f), /^function\s*([\w$]+)/);
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if (m) { return m[1]; }
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return null;
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}
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function indexOf(xs, x) {
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if (xs.indexOf) { return xs.indexOf(x); }
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for (var i = 0, l = xs.length; i < l; i++) {
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if (xs[i] === x) { return i; }
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}
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return -1;
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}
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function isMap(x) {
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if (!mapSize || !x || typeof x !== 'object') {
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return false;
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}
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try {
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mapSize.call(x);
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try {
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setSize.call(x);
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} catch (s) {
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return true;
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}
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return x instanceof Map; // core-js workaround, pre-v2.5.0
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} catch (e) {}
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return false;
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}
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function isWeakMap(x) {
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if (!weakMapHas || !x || typeof x !== 'object') {
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return false;
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}
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try {
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weakMapHas.call(x, weakMapHas);
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try {
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weakSetHas.call(x, weakSetHas);
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} catch (s) {
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return true;
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}
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return x instanceof WeakMap; // core-js workaround, pre-v2.5.0
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} catch (e) {}
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return false;
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}
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function isWeakRef(x) {
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if (!weakRefDeref || !x || typeof x !== 'object') {
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return false;
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}
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try {
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weakRefDeref.call(x);
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return true;
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} catch (e) {}
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return false;
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}
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function isSet(x) {
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if (!setSize || !x || typeof x !== 'object') {
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return false;
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}
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try {
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setSize.call(x);
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try {
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mapSize.call(x);
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} catch (m) {
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return true;
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}
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return x instanceof Set; // core-js workaround, pre-v2.5.0
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} catch (e) {}
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return false;
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}
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function isWeakSet(x) {
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|
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if (!weakSetHas || !x || typeof x !== 'object') {
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return false;
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}
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try {
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weakSetHas.call(x, weakSetHas);
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try {
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weakMapHas.call(x, weakMapHas);
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} catch (s) {
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return true;
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}
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return x instanceof WeakSet; // core-js workaround, pre-v2.5.0
|
||
|
|
} catch (e) {}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
function isElement(x) {
|
||
|
|
if (!x || typeof x !== 'object') { return false; }
|
||
|
|
if (typeof HTMLElement !== 'undefined' && x instanceof HTMLElement) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
return typeof x.nodeName === 'string' && typeof x.getAttribute === 'function';
|
||
|
|
}
|
||
|
|
|
||
|
|
function inspectString(str, opts) {
|
||
|
|
if (str.length > opts.maxStringLength) {
|
||
|
|
var remaining = str.length - opts.maxStringLength;
|
||
|
|
var trailer = '... ' + remaining + ' more character' + (remaining > 1 ? 's' : '');
|
||
|
|
return inspectString(str.slice(0, opts.maxStringLength), opts) + trailer;
|
||
|
|
}
|
||
|
|
// eslint-disable-next-line no-control-regex
|
||
|
|
var s = str.replace(/(['\\])/g, '\\$1').replace(/[\x00-\x1f]/g, lowbyte);
|
||
|
|
return wrapQuotes(s, 'single', opts);
|
||
|
|
}
|
||
|
|
|
||
|
|
function lowbyte(c) {
|
||
|
|
var n = c.charCodeAt(0);
|
||
|
|
var x = {
|
||
|
|
8: 'b',
|
||
|
|
9: 't',
|
||
|
|
10: 'n',
|
||
|
|
12: 'f',
|
||
|
|
13: 'r'
|
||
|
|
}[n];
|
||
|
|
if (x) { return '\\' + x; }
|
||
|
|
return '\\x' + (n < 0x10 ? '0' : '') + n.toString(16).toUpperCase();
|
||
|
|
}
|
||
|
|
|
||
|
|
function markBoxed(str) {
|
||
|
|
return 'Object(' + str + ')';
|
||
|
|
}
|
||
|
|
|
||
|
|
function weakCollectionOf(type) {
|
||
|
|
return type + ' { ? }';
|
||
|
|
}
|
||
|
|
|
||
|
|
function collectionOf(type, size, entries, indent) {
|
||
|
|
var joinedEntries = indent ? indentedJoin(entries, indent) : entries.join(', ');
|
||
|
|
return type + ' (' + size + ') {' + joinedEntries + '}';
|
||
|
|
}
|
||
|
|
|
||
|
|
function singleLineValues(xs) {
|
||
|
|
for (var i = 0; i < xs.length; i++) {
|
||
|
|
if (indexOf(xs[i], '\n') >= 0) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
function getIndent(opts, depth) {
|
||
|
|
var baseIndent;
|
||
|
|
if (opts.indent === '\t') {
|
||
|
|
baseIndent = '\t';
|
||
|
|
} else if (typeof opts.indent === 'number' && opts.indent > 0) {
|
||
|
|
baseIndent = Array(opts.indent + 1).join(' ');
|
||
|
|
} else {
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
return {
|
||
|
|
base: baseIndent,
|
||
|
|
prev: Array(depth + 1).join(baseIndent)
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
function indentedJoin(xs, indent) {
|
||
|
|
if (xs.length === 0) { return ''; }
|
||
|
|
var lineJoiner = '\n' + indent.prev + indent.base;
|
||
|
|
return lineJoiner + xs.join(',' + lineJoiner) + '\n' + indent.prev;
|
||
|
|
}
|
||
|
|
|
||
|
|
function arrObjKeys(obj, inspect) {
|
||
|
|
var isArr = isArray(obj);
|
||
|
|
var xs = [];
|
||
|
|
if (isArr) {
|
||
|
|
xs.length = obj.length;
|
||
|
|
for (var i = 0; i < obj.length; i++) {
|
||
|
|
xs[i] = has(obj, i) ? inspect(obj[i], obj) : '';
|
||
|
|
}
|
||
|
|
}
|
||
|
|
var syms = typeof gOPS === 'function' ? gOPS(obj) : [];
|
||
|
|
var symMap;
|
||
|
|
if (hasShammedSymbols) {
|
||
|
|
symMap = {};
|
||
|
|
for (var k = 0; k < syms.length; k++) {
|
||
|
|
symMap['$' + syms[k]] = syms[k];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
for (var key in obj) { // eslint-disable-line no-restricted-syntax
|
||
|
|
if (!has(obj, key)) { continue; } // eslint-disable-line no-restricted-syntax, no-continue
|
||
|
|
if (isArr && String(Number(key)) === key && key < obj.length) { continue; } // eslint-disable-line no-restricted-syntax, no-continue
|
||
|
|
if (hasShammedSymbols && symMap['$' + key] instanceof Symbol) {
|
||
|
|
// this is to prevent shammed Symbols, which are stored as strings, from being included in the string key section
|
||
|
|
continue; // eslint-disable-line no-restricted-syntax, no-continue
|
||
|
|
} else if ((/[^\w$]/).test(key)) {
|
||
|
|
xs.push(inspect(key, obj) + ': ' + inspect(obj[key], obj));
|
||
|
|
} else {
|
||
|
|
xs.push(key + ': ' + inspect(obj[key], obj));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (typeof gOPS === 'function') {
|
||
|
|
for (var j = 0; j < syms.length; j++) {
|
||
|
|
if (isEnumerable.call(obj, syms[j])) {
|
||
|
|
xs.push('[' + inspect(syms[j]) + ']: ' + inspect(obj[syms[j]], obj));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return xs;
|
||
|
|
}
|