Current Dev State

static/js/ketcher2/node_modules/clean-yaml-object/index.js

@@ -0,0 +1,92 @@
+'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;
+}