Index: frontend/node_modules/babel-plugin-istanbul/lib/index.js
===================================================================
--- frontend/node_modules/babel-plugin-istanbul/lib/index.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/babel-plugin-istanbul/lib/index.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,170 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+
+var _path = _interopRequireDefault(require("path"));
+
+var _fs = require("fs");
+
+var _child_process = require("child_process");
+
+var _helperPluginUtils = require("@babel/helper-plugin-utils");
+
+var _istanbulLibInstrument = require("istanbul-lib-instrument");
+
+var _testExclude = _interopRequireDefault(require("test-exclude"));
+
+var _schema = _interopRequireDefault(require("@istanbuljs/schema"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function getRealpath(n) {
+  try {
+    return (0, _fs.realpathSync)(n) ||
+    /* istanbul ignore next */
+    n;
+  } catch (e) {
+    /* istanbul ignore next */
+    return n;
+  }
+}
+
+const memoize = new Map();
+/* istanbul ignore next */
+
+const memosep = _path.default.sep === '/' ? ':' : ';';
+
+function loadNycConfig(cwd, opts) {
+  let memokey = cwd;
+  const args = [_path.default.resolve(__dirname, 'load-nyc-config-sync.js'), cwd];
+
+  if ('nycrcPath' in opts) {
+    args.push(opts.nycrcPath);
+    memokey += memosep + opts.nycrcPath;
+  }
+  /* execFileSync is expensive, avoid it if possible! */
+
+
+  if (memoize.has(memokey)) {
+    return memoize.get(memokey);
+  }
+
+  const result = JSON.parse((0, _child_process.execFileSync)(process.execPath, args));
+  const error = result['load-nyc-config-sync-error'];
+
+  if (error) {
+    throw new Error(error);
+  }
+
+  const config = { ..._schema.default.defaults.babelPluginIstanbul,
+    cwd,
+    ...result
+  };
+  memoize.set(memokey, config);
+  return config;
+}
+
+function findConfig(opts) {
+  const cwd = getRealpath(opts.cwd || process.env.NYC_CWD ||
+  /* istanbul ignore next */
+  process.cwd());
+  const keys = Object.keys(opts);
+  const ignored = Object.keys(opts).filter(s => s === 'nycrcPath' || s === 'cwd');
+
+  if (keys.length > ignored.length) {
+    // explicitly configuring options in babel
+    // takes precedence.
+    return { ..._schema.default.defaults.babelPluginIstanbul,
+      cwd,
+      ...opts
+    };
+  }
+
+  if (ignored.length === 0 && process.env.NYC_CONFIG) {
+    // defaults were already applied by nyc
+    return JSON.parse(process.env.NYC_CONFIG);
+  }
+
+  return loadNycConfig(cwd, opts);
+}
+
+function makeShouldSkip() {
+  let exclude;
+  return function shouldSkip(file, nycConfig) {
+    if (!exclude || exclude.cwd !== nycConfig.cwd) {
+      exclude = new _testExclude.default({
+        cwd: nycConfig.cwd,
+        include: nycConfig.include,
+        exclude: nycConfig.exclude,
+        extension: nycConfig.extension,
+        // Make sure this is true unless explicitly set to `false`. `undefined` is still `true`.
+        excludeNodeModules: nycConfig.excludeNodeModules !== false
+      });
+    }
+
+    return !exclude.shouldInstrument(file);
+  };
+}
+
+var _default = (0, _helperPluginUtils.declare)(api => {
+  api.assertVersion(7);
+  const shouldSkip = makeShouldSkip();
+  const t = api.types;
+  return {
+    visitor: {
+      Program: {
+        enter(path) {
+          this.__dv__ = null;
+          this.nycConfig = findConfig(this.opts);
+          const realPath = getRealpath(this.file.opts.filename);
+
+          if (shouldSkip(realPath, this.nycConfig)) {
+            return;
+          }
+
+          let {
+            inputSourceMap
+          } = this.opts;
+
+          if (this.opts.useInlineSourceMaps !== false) {
+            if (!inputSourceMap && this.file.inputMap) {
+              inputSourceMap = this.file.inputMap.sourcemap;
+            }
+          }
+
+          const visitorOptions = {};
+          Object.entries(_schema.default.defaults.instrumentVisitor).forEach(([name, defaultValue]) => {
+            if (name in this.nycConfig) {
+              visitorOptions[name] = this.nycConfig[name];
+            } else {
+              visitorOptions[name] = _schema.default.defaults.instrumentVisitor[name];
+            }
+          });
+          this.__dv__ = (0, _istanbulLibInstrument.programVisitor)(t, realPath, { ...visitorOptions,
+            inputSourceMap
+          });
+
+          this.__dv__.enter(path);
+        },
+
+        exit(path) {
+          if (!this.__dv__) {
+            return;
+          }
+
+          const result = this.__dv__.exit(path);
+
+          if (this.opts.onCover) {
+            this.opts.onCover(getRealpath(this.file.opts.filename), result.fileCoverage);
+          }
+        }
+
+      }
+    }
+  };
+});
+
+exports.default = _default;
Index: frontend/node_modules/babel-plugin-istanbul/lib/load-nyc-config-sync.js
===================================================================
--- frontend/node_modules/babel-plugin-istanbul/lib/load-nyc-config-sync.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/babel-plugin-istanbul/lib/load-nyc-config-sync.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,20 @@
+#!/usr/bin/env node
+'use strict';
+
+const {
+  loadNycConfig
+} = require('@istanbuljs/load-nyc-config');
+
+async function main() {
+  const [cwd, nycrcPath] = process.argv.slice(2);
+  console.log(JSON.stringify(await loadNycConfig({
+    cwd,
+    nycrcPath
+  })));
+}
+
+main().catch(error => {
+  console.log(JSON.stringify({
+    'load-nyc-config-sync-error': error.message
+  }));
+});