Index: frontend/node_modules/adjust-sourcemap-loader/lib/loader.js
===================================================================
--- frontend/node_modules/adjust-sourcemap-loader/lib/loader.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/adjust-sourcemap-loader/lib/loader.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,40 @@
+'use strict';
+
+var path = require('path');
+
+var loaderUtils = require('loader-utils');
+
+var process = require('./process');
+
+/**
+ * Webpack loader that manipulates the source-map of a preceding loader.
+ * @this {object} The loader context
+ * @param {string} content The content
+ * @param {object} sourceMap The source-map
+ * @returns {string|String}
+ */
+function loader(content, sourceMap) {
+  /* jshint validthis:true */
+
+  // loader result is cacheable
+  this.cacheable();
+
+  // webpack 1: prefer loader query, else options object
+  // webpack 2: prefer loader options
+  // webpack 3: deprecate loader.options object
+  // webpack 4: loader.options no longer defined
+  var options = Object.assign(
+    {},
+    this.options && this.options.adjustSourcemapLoader,
+    loaderUtils.getOptions(this),
+    {sep: path.sep}
+  );
+
+  // process the source-map
+  var outputMap = process(this, options, sourceMap);
+
+  // need to use callback when there are multiple arguments
+  this.callback(null, content, outputMap);
+}
+
+module.exports = loader;
Index: frontend/node_modules/adjust-sourcemap-loader/lib/module-filename-template.js
===================================================================
--- frontend/node_modules/adjust-sourcemap-loader/lib/module-filename-template.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/adjust-sourcemap-loader/lib/module-filename-template.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,11 @@
+'use strict';
+
+var process = require('./process');
+
+function moduleFilenameTemplate(options) {
+  return function templateFn(parameters) {
+    return process(parameters, options, parameters.resourcePath);
+  };
+}
+
+module.exports = moduleFilenameTemplate;
Index: frontend/node_modules/adjust-sourcemap-loader/lib/process/debug-message.js
===================================================================
--- frontend/node_modules/adjust-sourcemap-loader/lib/process/debug-message.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/adjust-sourcemap-loader/lib/process/debug-message.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,58 @@
+'use strict';
+
+var PACKAGE_NAME = require('../../package.json').name,
+    PADDING      = (new Array(11)).join(' ');
+
+/**
+ * Format a debug message
+ * @param {{resourcePath:string, loaders:Array, loaderIndex:number}} context A loader or compilation
+ * @param {{input:Array.<string>, absolute:Array.<string>, output:Array.<string>, root:string}} info Source-map info
+ * @returns {string} An encoded debug string
+ */
+function debugMessage(context, info) {
+  return [
+    '  ',
+    PACKAGE_NAME + ':',
+    '  ' + context.resourcePath,
+    formatField('@', precedingRequest(context)),
+    formatField('INPUT', info.input || '(source-map absent)'),
+    formatField('ABSOLUTE', info.absolute),
+    formatField('OUTPUT', info.output),
+    formatField('ROOT', info.root)
+  ]
+    .filter(Boolean)
+    .join('\n');
+}
+
+module.exports = debugMessage;
+
+/**
+ * Find the request that precedes this loader in the loader chain
+ * @param {{loaders:Array, loaderIndex:number}} loader The loader context
+ * @returns {string} The request of the preceding loader
+ */
+function precedingRequest(loader) {
+  var isLoader = ('loaderIndex' in loader) && ('loaders' in loader) && Array.isArray(loader.loaders);
+  if (isLoader) {
+    var index = loader.loaderIndex + 1;
+    return (index in loader.loaders) ? loader.loaders[index].request : '(no preceding loader)';
+  }
+}
+
+/**
+ * Where the data is truthy then format it with a right-aligned title.
+ * @param {string} title
+ * @param {*} data The data to display
+ * @returns {boolean|string} False where data is falsey, else formatted message
+ */
+function formatField(title, data) {
+  return !!data && (rightAlign(title) + formatData(data));
+
+  function rightAlign(text) {
+    return (PADDING + text + ' ').slice(-PADDING.length);
+  }
+
+  function formatData(data) {
+    return Array.isArray(data) ? data.join('\n' + PADDING) : data;
+  }
+}
Index: frontend/node_modules/adjust-sourcemap-loader/lib/process/decode-sources-with.js
===================================================================
--- frontend/node_modules/adjust-sourcemap-loader/lib/process/decode-sources-with.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/adjust-sourcemap-loader/lib/process/decode-sources-with.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,78 @@
+'use strict';
+
+var getFieldAsFn = require('./get-field-as-fn');
+
+/**
+ * Create a decoder for input sources using the given codec hash
+ * @this {object} A loader or compilation
+ * @param {Array.<object>} codecs A list of codecs, each with a `decode` function
+ * @param {boolean} mustDecode Return an error for a source that is not decoded
+ * @returns {function(string):string|Error} A decode function that returns an absolute path or else an Error
+ */
+function decodeSourcesWith(codecs, mustDecode) {
+  /* jshint validthis:true */
+  var context = this;
+
+  // get a list of valid decoders
+  var candidates = [].concat(codecs)
+    .reduce(reduceValidDecoder.bind(null, codecs), []);
+
+  /**
+   * Attempt to decode the given source path using the previously supplied codecs
+   * @param {string} inputSource A source path from a source map
+   * @returns {Error|string|undefined} An absolute path if decoded else an error if encountered else undefined
+   */
+  return function decode(inputSource) {
+
+    // attempt all candidates until a match
+    for (var i = 0, decoded = null; i < candidates.length && !decoded; i++) {
+
+      // call the decoder
+      try {
+        decoded = candidates[i].decode.call(context, inputSource);
+      }
+      catch (exception) {
+        return getNamedError(exception);
+      }
+
+      // match implies a return value
+      if (decoded) {
+
+        // abstract sources cannot be decoded, only validated
+        if (candidates[i].abstract) {
+          return undefined;
+        }
+        // non-string implies error
+        if (typeof decoded !== 'string') {
+          return getNamedError('Decoder returned a truthy value but it is not a string:\n' + decoded);
+        }
+        // otherwise success
+        else {
+          return decoded;
+        }
+      }
+    }
+
+    // default is undefined or error
+    return mustDecode ? new Error('No viable decoder for source: ' + inputSource) : undefined;
+
+    function getNamedError(details) {
+      var name    = candidates[i].name || '(unnamed)',
+          message = [
+            'Decoding with codec: ' + name,
+            'Incoming source: ' + inputSource,
+            details && (details.stack ? details.stack : details)
+          ]
+            .filter(Boolean)
+            .join('\n');
+      return new Error(message);
+    }
+  };
+}
+
+module.exports = decodeSourcesWith;
+
+function reduceValidDecoder(reduced, codec) {
+  var decoder = getFieldAsFn('decode')(codec);
+  return decoder ? reduced.concat(codec) : reduced;
+}
Index: frontend/node_modules/adjust-sourcemap-loader/lib/process/encode-sources-with.js
===================================================================
--- frontend/node_modules/adjust-sourcemap-loader/lib/process/encode-sources-with.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/adjust-sourcemap-loader/lib/process/encode-sources-with.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,48 @@
+'use strict';
+
+var getFieldAsFn = require('./get-field-as-fn'),
+    CustomError  = require('./get-error');
+
+/**
+ * Create an encoder for output sources using the given codec hash
+ * @throws Error Where the given codec is missing an encode function
+ * @this {object} A loader or compilation
+ * @param {{encode:function}} codec A single codec with an `encode` function
+ * @returns {function(string):string|Error|false} An encode function that takes an absolute path
+ */
+function encodeSourcesWith(codec) {
+  /* jshint validthis:true */
+  var context = this,
+      encoder = getFieldAsFn('encode')(codec);
+  if (!encoder) {
+    return new CustomError('Specified format does not support encoding (it lacks an "encoder" function)');
+  }
+  else {
+    return function encode(absoluteSource) {
+
+      // call the encoder
+      var encoded;
+      try {
+        encoded = absoluteSource && encoder.call(context, absoluteSource);
+      }
+      catch (exception) {
+        return getNamedError(exception);
+      }
+      return encoded;
+
+      function getNamedError(details) {
+        var name    = codec.name || '(unnamed)',
+            message = [
+              'Encoding with codec: ' + name,
+              'Absolute source: ' + absoluteSource,
+              details && (details.stack ? details.stack : details)
+            ]
+              .filter(Boolean)
+              .join('\n');
+        return new Error(message);
+      }
+    };
+  }
+}
+
+module.exports = encodeSourcesWith;
Index: frontend/node_modules/adjust-sourcemap-loader/lib/process/get-error.js
===================================================================
--- frontend/node_modules/adjust-sourcemap-loader/lib/process/get-error.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/adjust-sourcemap-loader/lib/process/get-error.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,17 @@
+'use strict';
+
+var PACKAGE_NAME = require('../../package.json').name;
+
+/**
+ * Get an Error instance for the given message
+ * @param {...*} message Any number of message arguments
+ * @returns {Error}
+ */
+function getError() {
+  var message = (PACKAGE_NAME + ':\n' + Array.prototype.slice.call(arguments).join(' '))
+    .split(/\s*\n\s*/)
+    .join('\n  ');
+  return new Error(message);
+}
+
+module.exports = getError;
Index: frontend/node_modules/adjust-sourcemap-loader/lib/process/get-field-as-fn.js
===================================================================
--- frontend/node_modules/adjust-sourcemap-loader/lib/process/get-field-as-fn.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/adjust-sourcemap-loader/lib/process/get-field-as-fn.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,14 @@
+'use strict';
+
+/**
+ * Create a method that will retrieve the given field from an object where that field has a function value
+ * @param {string} field The field to consider
+ * @returns {function(object):function} A method that gets functions from the given field
+ */
+function getFieldAsFn(field) {
+  return function getFromValue(value) {
+    return !!value && (typeof value === 'object') && (typeof value[field] === 'function') && value[field];
+  };
+}
+
+module.exports = getFieldAsFn;
Index: frontend/node_modules/adjust-sourcemap-loader/lib/process/index.js
===================================================================
--- frontend/node_modules/adjust-sourcemap-loader/lib/process/index.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/adjust-sourcemap-loader/lib/process/index.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,117 @@
+'use strict';
+
+var debugMessage      = require('./debug-message'),
+    toRegExp          = require('./to-reg-exp'),
+    throwErrors       = require('./throw-errors'),
+    decodeSourcesWith = require('./decode-sources-with'),
+    locateRootWith    = require('./locate-root-with'),
+    encodeSourcesWith = require('./encode-sources-with'),
+    testCodec         = require('./test-codec');
+
+var CODECS = require('../../codec');
+
+/**
+ * Process the given source-map per the given options.
+ * @param {{resourcePath:string, context:string, output:{path:string}}} context A loader or compilation
+ * @param {{debug:boolean, fail:boolean, format:string|boolean, root:string, codecs:object}} opt Options hash
+ * @param {object|string} sourceMapOrSource An incoming source-map or single source path
+ * @returns {undefined|object|string} An amended source-map or source path else undefined
+ */
+function process(context, opt, sourceMapOrSource) {
+
+  // default options
+  var options = Object.assign({
+    sep   : '/',
+    debug : false,
+    fail  : false,
+    format: false,
+    root  : false,
+    codecs: CODECS
+  }, opt);
+
+  // validate codecs
+  var codecs = options.codecs
+    .filter(testCodec);
+
+  // determine what is present
+  var inputMap     = !!sourceMapOrSource && (typeof sourceMapOrSource === 'object') && sourceMapOrSource,
+      inputPath    = (typeof sourceMapOrSource === 'string') && sourceMapOrSource,
+      inputSources = inputMap && inputMap.sources || inputPath && [inputPath];
+
+  // what we need to produce
+  var absoluteSources,
+      outputSources,
+      outputRoot,
+      outputMap;
+
+  if (inputSources) {
+
+    // decode each source with the first valid codec
+    absoluteSources = inputSources
+      .map(decodeSourcesWith.call(context, codecs, options.fail));
+
+    // check for decode errors
+    throwErrors(context.resourcePath, absoluteSources);
+
+    // output map is a copy unless absent or we are removing
+    outputMap = (!inputMap || (options.format === 'remove')) ? undefined : Object.assign({}, inputMap);
+
+    // some change in format
+    if (options.format) {
+
+      // find the specified codec in the codecs list
+      var codec = codecs
+        .filter(testNamedCodec)
+        .pop();
+
+      if (!codec) {
+        throw new Error('Specified format "' + options.format + '" does not match any available codec.');
+      }
+
+      // use the encoder where specified in 'format'
+      outputSources = absoluteSources
+        .map(encodeSourcesWith.call(context, codec))
+        .map(insertAbstractSources)
+        .map(convertPathSep);
+
+      outputRoot = !!options.root && locateRootWith.call(context, codec)() || undefined;
+
+      // check for encode errors
+      throwErrors(context.resourcePath, outputSources.concat(outputRoot));
+
+      // commit the change
+      if (outputMap) {
+        outputMap.sources = outputSources;
+        outputMap.sourceRoot = outputRoot;
+      }
+    }
+  }
+
+  // debugging information
+  var isDebug = toRegExp(options.debug).test(context.resourcePath);
+  if (isDebug) {
+    console.log(debugMessage(context, {
+      input   : inputSources,
+      absolute: absoluteSources,
+      output  : outputSources,
+      root    : outputRoot
+    }));
+  }
+
+  // complete
+  return inputMap ? outputMap : outputSources ? outputSources[0] : undefined;
+
+  function testNamedCodec(value) {
+    return (value.name === options.format);
+  }
+
+  function insertAbstractSources(value, i) {
+    return value || inputSources[i];
+  }
+
+  function convertPathSep(value) {
+    return (value instanceof Error) ? value : value.replace(/[\\\/]/g, options.sep);
+  }
+}
+
+module.exports = process;
Index: frontend/node_modules/adjust-sourcemap-loader/lib/process/locate-root-with.js
===================================================================
--- frontend/node_modules/adjust-sourcemap-loader/lib/process/locate-root-with.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/adjust-sourcemap-loader/lib/process/locate-root-with.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,47 @@
+'use strict';
+
+var getFieldAsFn = require('./get-field-as-fn'),
+    CustomError  = require('./get-error');
+
+/**
+ * Locate the root for input sources using the given codec hash
+ * @throws Error Where the given codec is missing an encode function
+ * @this {object} A loader or compilation
+ * @param {{encode:function}} codec A single codec with an `encode` function
+ * @returns {function(string):string|Error} An encode function that takes an absolute path
+ */
+function locateRootWith(codec) {
+  /* jshint validthis:true */
+  var context = this,
+      root    = getFieldAsFn('root')(codec);
+  if (!root) {
+    return new CustomError('Specified format does not support encoding (it lacks a "root" function)');
+  }
+  else {
+    return function locate() {
+
+      // call the root
+      var located;
+      try {
+        located = root.call(context);
+      }
+      catch (exception) {
+        return getNamedError(exception);
+      }
+      return located;
+
+      function getNamedError(details) {
+        var name    = codec.name || '(unnamed)',
+            message = [
+              'Locating root with codec: ' + name,
+              details && (details.stack ? details.stack : details)
+            ]
+              .filter(Boolean)
+              .join('\n');
+        return new Error(message);
+      }
+    };
+  }
+}
+
+module.exports = locateRootWith;
Index: frontend/node_modules/adjust-sourcemap-loader/lib/process/test-codec.js
===================================================================
--- frontend/node_modules/adjust-sourcemap-loader/lib/process/test-codec.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/adjust-sourcemap-loader/lib/process/test-codec.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,37 @@
+'use strict';
+
+var assert = require('assert');
+
+/**
+ * Reducer function that converts a codec list to a hash.
+ * @throws Error on bad codec
+ * @param {{name:string, decode:function, encode:function, root:function}} candidate A possible codec
+ * @returns True where an error is not thrown
+ */
+function testCodec(candidate) {
+  assert(
+    !!candidate && (typeof candidate === 'object'),
+    'Codec must be an object'
+  );
+  assert(
+    (typeof candidate.name === 'string') && /^[\w-]+$/.test(candidate.name),
+    'Codec.name must be a kebab-case string'
+  );
+  assert(
+    (typeof candidate.decode === 'function') && (candidate.decode.length === 1),
+    'Codec.decode must be a function that accepts a single source string'
+  );
+  assert(
+    (typeof candidate.encode === 'undefined') ||
+    ((typeof candidate.encode === 'function') && (candidate.encode.length === 1)),
+    'Codec.encode must be a function that accepts a single absolute path string, or else be omitted'
+  );
+  assert(
+    (typeof candidate.root === 'undefined') ||
+    (typeof candidate.root === 'function') && (candidate.root.length === 0),
+    'Codec.root must be a function that accepts no arguments, or else be omitted'
+  );
+  return true;
+}
+
+module.exports = testCodec;
Index: frontend/node_modules/adjust-sourcemap-loader/lib/process/throw-errors.js
===================================================================
--- frontend/node_modules/adjust-sourcemap-loader/lib/process/throw-errors.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/adjust-sourcemap-loader/lib/process/throw-errors.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,30 @@
+'use strict';
+
+var getError = require('./get-error');
+
+/**
+ * Where the given list is non-null and contains error instances then consolidate and throw
+ * @throws Error
+ * @param {string} resourcePath The path to the resource being processed
+ * @param {null|Array} candidates A possible Array with possible error elements
+ */
+function throwErrors(resourcePath, candidates) {
+  var errors = !!candidates && candidates
+      .filter(testIsError)
+      .map(getMessage);
+
+  var hasError = !!errors && errors.length;
+  if (hasError) {
+    throw getError(['For resource: ' + resourcePath].concat(errors).join('\n'));
+  }
+
+  function testIsError(candidate) {
+    return !!candidate && (typeof candidate === 'object') && (candidate instanceof Error);
+  }
+
+  function getMessage(error) {
+    return error.message;
+  }
+}
+
+module.exports = throwErrors;
Index: frontend/node_modules/adjust-sourcemap-loader/lib/process/to-reg-exp.js
===================================================================
--- frontend/node_modules/adjust-sourcemap-loader/lib/process/to-reg-exp.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/adjust-sourcemap-loader/lib/process/to-reg-exp.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,19 @@
+'use strict';
+
+var regexParser = require('regex-parser');
+
+var REGEXP = /(\/?)(.+)\1([a-z]*)/i;
+
+/**
+ * Parse the give value as a regular expression or give a pass-none expression where it is invalid
+ * @param {RegExp|string|*} value An existing expression, or its string representation, or degenerate value
+ * @returns {RegExp} The given expression or one matching the RegExp string else a pass-none expression
+ */
+function toRegExp(value) {
+  return ((typeof value === 'object') && (typeof value.test === 'function') && value) ||
+    ((typeof value === 'string') && REGEXP.test(value) && regexParser(value)) ||
+    (/^true$|^$/.test(value) && /.*/) ||
+    /matchnone^/;
+}
+
+module.exports = toRegExp;