Index: frontend/node_modules/stringify-object/index.js
===================================================================
--- frontend/node_modules/stringify-object/index.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/stringify-object/index.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,131 @@
+'use strict';
+const isRegexp = require('is-regexp');
+const isObj = require('is-obj');
+const getOwnEnumPropSymbols = require('get-own-enumerable-property-symbols').default;
+
+module.exports = (val, opts, pad) => {
+	const seen = [];
+
+	return (function stringify(val, opts, pad) {
+		opts = opts || {};
+		opts.indent = opts.indent || '\t';
+		pad = pad || '';
+
+		let tokens;
+
+		if (opts.inlineCharacterLimit === undefined) {
+			tokens = {
+				newLine: '\n',
+				newLineOrSpace: '\n',
+				pad,
+				indent: pad + opts.indent
+			};
+		} else {
+			tokens = {
+				newLine: '@@__STRINGIFY_OBJECT_NEW_LINE__@@',
+				newLineOrSpace: '@@__STRINGIFY_OBJECT_NEW_LINE_OR_SPACE__@@',
+				pad: '@@__STRINGIFY_OBJECT_PAD__@@',
+				indent: '@@__STRINGIFY_OBJECT_INDENT__@@'
+			};
+		}
+
+		const expandWhiteSpace = string => {
+			if (opts.inlineCharacterLimit === undefined) {
+				return string;
+			}
+
+			const oneLined = string
+				.replace(new RegExp(tokens.newLine, 'g'), '')
+				.replace(new RegExp(tokens.newLineOrSpace, 'g'), ' ')
+				.replace(new RegExp(tokens.pad + '|' + tokens.indent, 'g'), '');
+
+			if (oneLined.length <= opts.inlineCharacterLimit) {
+				return oneLined;
+			}
+
+			return string
+				.replace(new RegExp(tokens.newLine + '|' + tokens.newLineOrSpace, 'g'), '\n')
+				.replace(new RegExp(tokens.pad, 'g'), pad)
+				.replace(new RegExp(tokens.indent, 'g'), pad + opts.indent);
+		};
+
+		if (seen.indexOf(val) !== -1) {
+			return '"[Circular]"';
+		}
+
+		if (val === null ||
+			val === undefined ||
+			typeof val === 'number' ||
+			typeof val === 'boolean' ||
+			typeof val === 'function' ||
+			typeof val === 'symbol' ||
+			isRegexp(val)) {
+			return String(val);
+		}
+
+		if (val instanceof Date) {
+			return `new Date('${val.toISOString()}')`;
+		}
+
+		if (Array.isArray(val)) {
+			if (val.length === 0) {
+				return '[]';
+			}
+
+			seen.push(val);
+
+			const ret = '[' + tokens.newLine + val.map((el, i) => {
+				const eol = val.length - 1 === i ? tokens.newLine : ',' + tokens.newLineOrSpace;
+				let value = stringify(el, opts, pad + opts.indent);
+				if (opts.transform) {
+					value = opts.transform(val, i, value);
+				}
+				return tokens.indent + value + eol;
+			}).join('') + tokens.pad + ']';
+
+			seen.pop();
+
+			return expandWhiteSpace(ret);
+		}
+
+		if (isObj(val)) {
+			let objKeys = Object.keys(val).concat(getOwnEnumPropSymbols(val));
+
+			if (opts.filter) {
+				objKeys = objKeys.filter(el => opts.filter(val, el));
+			}
+
+			if (objKeys.length === 0) {
+				return '{}';
+			}
+
+			seen.push(val);
+
+			const ret = '{' + tokens.newLine + objKeys.map((el, i) => {
+				const eol = objKeys.length - 1 === i ? tokens.newLine : ',' + tokens.newLineOrSpace;
+				const isSymbol = typeof el === 'symbol';
+				const isClassic = !isSymbol && /^[a-z$_][a-z$_0-9]*$/i.test(el);
+				const key = isSymbol || isClassic ? el : stringify(el, opts);
+				let value = stringify(val[el], opts, pad + opts.indent);
+				if (opts.transform) {
+					value = opts.transform(val, el, value);
+				}
+				return tokens.indent + String(key) + ': ' + value + eol;
+			}).join('') + tokens.pad + '}';
+
+			seen.pop();
+
+			return expandWhiteSpace(ret);
+		}
+
+		val = String(val).replace(/[\r\n]/g, x => x === '\n' ? '\\n' : '\\r');
+
+		if (opts.singleQuotes === false) {
+			val = val.replace(/"/g, '\\"');
+			return `"${val}"`;
+		}
+
+		val = val.replace(/\\?'/g, '\\\'');
+		return `'${val}'`;
+	})(val, opts, pad);
+};