Merge pull request #1295 from 0xProject/feature/instant/rollbar-env

[instant] Rollbar 

12 files changed, 253 insertions, 40 deletions

diff --git a/packages/instant/package.json b/packages/instant/package.json
index 4daec883b..7d0bf6bec 100644
--- a/packages/instant/package.json
+++ b/packages/instant/package.json
@@ -60,6 +60,7 @@
         "react-redux": "^5.0.7",
         "redux": "^4.0.0",
         "redux-devtools-extension": "^2.13.5",
+        "rollbar": "^2.5.0",
         "styled-components": "^4.0.2",
         "ts-optchain": "^0.1.1"
     },
@@ -85,7 +86,9 @@
         "make-promises-safe": "^1.1.0",
         "npm-run-all": "^4.1.2",
         "nyc": "^11.0.1",
+        "rollbar-sourcemap-webpack-plugin": "^2.4.0",
         "shx": "^0.2.2",
+        "source-map-loader": "^0.2.4",
         "svg-react-loader": "^0.4.6",
         "ts-jest": "^23.10.3",
         "tslint": "5.11.0",
diff --git a/packages/instant/src/components/zero_ex_instant_provider.tsx b/packages/instant/src/components/zero_ex_instant_provider.tsx
index b544b86ff..dae9124c6 100644
--- a/packages/instant/src/components/zero_ex_instant_provider.tsx
+++ b/packages/instant/src/components/zero_ex_instant_provider.tsx
@@ -15,6 +15,7 @@ import { AccountState, AffiliateInfo, AssetMetaData, Network, OrderSource, Quote
 import { analytics, disableAnalytics } from '../util/analytics';
 import { assetUtils } from '../util/asset';
 import { errorFlasher } from '../util/error_flasher';
+import { setupRollbar } from '../util/error_reporter';
 import { gasPriceEstimator } from '../util/gas_price_estimator';
 import { Heartbeater } from '../util/heartbeater';
 import { generateAccountHeartbeater, generateBuyQuoteHeartbeater } from '../util/heartbeater_factory';
@@ -88,6 +89,7 @@ export class ZeroExInstantProvider extends React.Component<ZeroExInstantProvider
     }
     constructor(props: ZeroExInstantProviderProps) {
         super(props);
+        setupRollbar();
         fonts.include();
         const initialAppState = ZeroExInstantProvider._mergeDefaultStateWithProps(this.props);
         this._store = store.create(initialAppState);
diff --git a/packages/instant/src/constants.ts b/packages/instant/src/constants.ts
index 0dd770ec6..1194cf881 100644
--- a/packages/instant/src/constants.ts
+++ b/packages/instant/src/constants.ts
@@ -22,6 +22,16 @@ export const HEAP_ANALYTICS_ID = process.env.HEAP_ANALYTICS_ID;
 export const COINBASE_API_BASE_URL = 'https://api.coinbase.com/v2';
 export const PROGRESS_STALL_AT_WIDTH = '95%';
 export const PROGRESS_FINISH_ANIMATION_TIME_MS = 200;
+export const HOST_DOMAINS = [
+    '0x-instant-staging.s3-website-us-east-1.amazonaws.com',
+    '0x-instant-dogfood.s3-website-us-east-1.amazonaws.com',
+    'localhost',
+    '127.0.0.1',
+    '0.0.0.0',
+    'instant.0xproject.com',
+];
+export const ROLLBAR_CLIENT_TOKEN = process.env.ROLLBAR_CLIENT_TOKEN;
+export const ROLLBAR_ENABLED = process.env.ROLLBAR_ENABLED;
 export const INSTANT_DISCHARGE_TARGET = process.env.INSTANT_DISCHARGE_TARGET as
     | 'production'
     | 'dogfood'
diff --git a/packages/instant/src/redux/async_data.ts b/packages/instant/src/redux/async_data.ts
index 9fdcea3ca..18f671cd7 100644
--- a/packages/instant/src/redux/async_data.ts
+++ b/packages/instant/src/redux/async_data.ts
@@ -10,6 +10,7 @@ import { assetUtils } from '../util/asset';
 import { buyQuoteUpdater } from '../util/buy_quote_updater';
 import { coinbaseApi } from '../util/coinbase_api';
 import { errorFlasher } from '../util/error_flasher';
+import { errorReporter } from '../util/error_reporter';
 
 import { actions } from './actions';
 import { State } from './reducer';
@@ -23,6 +24,7 @@ export const asyncData = {
             const errorMessage = 'Error fetching ETH/USD price';
             errorFlasher.flashNewErrorMessage(dispatch, errorMessage);
             dispatch(actions.updateEthUsdPrice(BIG_NUMBER_ZERO));
+            errorReporter.report(e);
         }
     },
     fetchAvailableAssetDatasAndDispatchToStore: async (state: State, dispatch: Dispatch) => {
@@ -37,6 +39,7 @@ export const asyncData = {
             errorFlasher.flashNewErrorMessage(dispatch, errorMessage);
             // On error, just specify that none are available
             dispatch(actions.setAvailableAssets([]));
+            errorReporter.report(e);
         }
     },
     fetchAccountInfoAndDispatchToStore: async (
@@ -77,6 +80,7 @@ export const asyncData = {
             const ethBalanceInWei = await web3Wrapper.getBalanceInWeiAsync(address);
             dispatch(actions.updateAccountEthBalance({ address, ethBalanceInWei }));
         } catch (e) {
+            errorReporter.report(e);
             // leave balance as is
             return;
         }
diff --git a/packages/instant/src/util/asset.ts b/packages/instant/src/util/asset.ts
index 40560d3eb..08f3642e3 100644
--- a/packages/instant/src/util/asset.ts
+++ b/packages/instant/src/util/asset.ts
@@ -1,3 +1,4 @@
+import { AssetBuyerError } from '@0x/asset-buyer';
 import { AssetProxyId, ObjectMap } from '@0x/types';
 import * as _ from 'lodash';
 
@@ -106,4 +107,20 @@ export const assetUtils = {
         );
         return _.compact(erc20sOrUndefined);
     },
+    assetBuyerErrorMessage: (asset: ERC20Asset, error: Error): string | undefined => {
+        if (error.message === AssetBuyerError.InsufficientAssetLiquidity) {
+            const assetName = assetUtils.bestNameForAsset(asset, 'of this asset');
+            return `Not enough ${assetName} available`;
+        } else if (error.message === AssetBuyerError.InsufficientZrxLiquidity) {
+            return 'Not enough ZRX available';
+        } else if (
+            error.message === AssetBuyerError.StandardRelayerApiError ||
+            error.message.startsWith(AssetBuyerError.AssetUnavailable)
+        ) {
+            const assetName = assetUtils.bestNameForAsset(asset, 'This asset');
+            return `${assetName} is currently unavailable`;
+        }
+
+        return undefined;
+    },
 };
diff --git a/packages/instant/src/util/buy_quote_updater.ts b/packages/instant/src/util/buy_quote_updater.ts
index c1899f8c1..4229f2735 100644
--- a/packages/instant/src/util/buy_quote_updater.ts
+++ b/packages/instant/src/util/buy_quote_updater.ts
@@ -1,4 +1,4 @@
-import { AssetBuyer, AssetBuyerError, BuyQuote } from '@0x/asset-buyer';
+import { AssetBuyer, BuyQuote } from '@0x/asset-buyer';
 import { BigNumber } from '@0x/utils';
 import { Web3Wrapper } from '@0x/web3-wrapper';
 import * as _ from 'lodash';
@@ -10,6 +10,7 @@ import { AffiliateInfo, ERC20Asset, QuoteFetchOrigin } from '../types';
 import { analytics } from '../util/analytics';
 import { assetUtils } from '../util/asset';
 import { errorFlasher } from '../util/error_flasher';
+import { errorReporter } from '../util/error_reporter';
 
 export const buyQuoteUpdater = {
     updateBuyQuoteAsync: async (
@@ -35,30 +36,18 @@ export const buyQuoteUpdater = {
         try {
             newBuyQuote = await assetBuyer.getBuyQuoteAsync(asset.assetData, baseUnitValue, { feePercentage });
         } catch (error) {
+            const errorMessage = assetUtils.assetBuyerErrorMessage(asset, error);
+
+            if (_.isUndefined(errorMessage)) {
+                // This is an unknown error, report it to rollbar
+                errorReporter.report(error);
+            }
+
             if (options.dispatchErrors) {
                 dispatch(actions.setQuoteRequestStateFailure());
                 analytics.trackQuoteError(error.message ? error.message : 'other', baseUnitValue, fetchOrigin);
-                let errorMessage;
-                if (error.message === AssetBuyerError.InsufficientAssetLiquidity) {
-                    const assetName = assetUtils.bestNameForAsset(asset, 'of this asset');
-                    errorMessage = `Not enough ${assetName} available`;
-                } else if (error.message === AssetBuyerError.InsufficientZrxLiquidity) {
-                    errorMessage = 'Not enough ZRX available';
-                } else if (
-                    error.message === AssetBuyerError.StandardRelayerApiError ||
-                    error.message.startsWith(AssetBuyerError.AssetUnavailable)
-                ) {
-                    const assetName = assetUtils.bestNameForAsset(asset, 'This asset');
-                    errorMessage = `${assetName} is currently unavailable`;
-                }
-                if (!_.isUndefined(errorMessage)) {
-                    errorFlasher.flashNewErrorMessage(dispatch, errorMessage);
-                } else {
-                    throw error;
-                }
+                errorFlasher.flashNewErrorMessage(dispatch, errorMessage || 'Error fetching price, please try again');
             }
-            // TODO: report to error reporter on else
-
             return;
         }
         // We have a successful new buy quote
diff --git a/packages/instant/src/util/error_reporter.ts b/packages/instant/src/util/error_reporter.ts
new file mode 100644
index 000000000..3ec7b6daa
--- /dev/null
+++ b/packages/instant/src/util/error_reporter.ts
@@ -0,0 +1,62 @@
+import { logUtils } from '@0x/utils';
+import * as _ from 'lodash';
+
+import { HOST_DOMAINS, INSTANT_DISCHARGE_TARGET, ROLLBAR_CLIENT_TOKEN, ROLLBAR_ENABLED } from '../constants';
+
+// Import version of Rollbar designed for embedded components
+// See https://docs.rollbar.com/docs/using-rollbarjs-inside-an-embedded-component
+// tslint:disable-next-line:no-var-requires
+const Rollbar = require('rollbar/dist/rollbar.noconflict.umd');
+
+let rollbar: any;
+// Configures rollbar and sets up error catching
+export const setupRollbar = (): any => {
+    if (_.isUndefined(rollbar) && ROLLBAR_CLIENT_TOKEN && ROLLBAR_ENABLED) {
+        rollbar = new Rollbar({
+            accessToken: ROLLBAR_CLIENT_TOKEN,
+            captureUncaught: true,
+            captureUnhandledRejections: true,
+            enabled: true,
+            itemsPerMinute: 10,
+            maxItems: 500,
+            payload: {
+                environment: INSTANT_DISCHARGE_TARGET || `Local ${process.env.NODE_ENV}`,
+                client: {
+                    javascript: {
+                        source_map_enabled: true,
+                        code_version: process.env.GIT_SHA,
+                        guess_uncaught_frames: true,
+                    },
+                },
+            },
+            hostWhiteList: HOST_DOMAINS,
+            uncaughtErrorLevel: 'error',
+            ignoredMessages: [
+                // Errors from the third-party scripts
+                'Script error',
+                // Network errors or ad-blockers
+                'TypeError: Failed to fetch',
+                'Exchange has not been deployed to detected network (network/artifact mismatch)',
+                // Source: https://groups.google.com/a/chromium.org/forum/#!topic/chromium-discuss/7VU0_VvC7mE
+                "undefined is not an object (evaluating '__gCrWeb.autofill.extractForms')",
+                // Source: http://stackoverflow.com/questions/43399818/securityerror-from-facebook-and-cross-domain-messaging
+                'SecurityError (DOM Exception 18)',
+            ],
+        });
+    }
+};
+
+export const errorReporter = {
+    report(err: Error): void {
+        if (!rollbar) {
+            logUtils.log('Not reporting to rollbar because not configured', err);
+            return;
+        }
+
+        rollbar.error(err, (rollbarErr: Error) => {
+            if (rollbarErr) {
+                logUtils.log(`Error reporting to rollbar, ignoring: ${rollbarErr}`);
+            }
+        });
+    },
+};
diff --git a/packages/instant/src/util/gas_price_estimator.ts b/packages/instant/src/util/gas_price_estimator.ts
index 6b15809a3..332c8d00a 100644
--- a/packages/instant/src/util/gas_price_estimator.ts
+++ b/packages/instant/src/util/gas_price_estimator.ts
@@ -7,6 +7,8 @@ import {
     GWEI_IN_WEI,
 } from '../constants';
 
+import { errorReporter } from './error_reporter';
+
 interface EthGasStationResult {
     average: number;
     fastestWait: number;
@@ -42,8 +44,9 @@ export class GasPriceEstimator {
         let fetchedAmount: GasInfo | undefined;
         try {
             fetchedAmount = await fetchFastAmountInWeiAsync();
-        } catch {
+        } catch (e) {
             fetchedAmount = undefined;
+            errorReporter.report(e);
         }
 
         if (fetchedAmount) {
diff --git a/packages/instant/src/util/heap.ts b/packages/instant/src/util/heap.ts
index 7c53c9918..279ff3059 100644
--- a/packages/instant/src/util/heap.ts
+++ b/packages/instant/src/util/heap.ts
@@ -5,6 +5,7 @@ import * as _ from 'lodash';
 import { HEAP_ANALYTICS_ID } from '../constants';
 
 import { AnalyticsEventOptions, AnalyticsUserOptions } from './analytics';
+import { errorReporter } from './error_reporter';
 
 export type EventProperties = ObjectMap<string | number>;
 
@@ -107,8 +108,8 @@ export const heapUtil = {
                 heapFunctionCall(curHeap);
             } catch (e) {
                 // We never want analytics to crash our React component
-                // TODO(sk): error reporter here
                 logUtils.log('Analytics error', e);
+                errorReporter.report(e);
             }
         }
     },
diff --git a/packages/instant/test/util/asset.test.ts b/packages/instant/test/util/asset.test.ts
index 4229b24ed..fc4e4e2e4 100644
--- a/packages/instant/test/util/asset.test.ts
+++ b/packages/instant/test/util/asset.test.ts
@@ -1,6 +1,7 @@
+import { AssetBuyerError } from '@0x/asset-buyer';
 import { AssetProxyId, ObjectMap } from '@0x/types';
 
-import { Asset, AssetMetaData, ERC20AssetMetaData, Network, ZeroExInstantError } from '../../src/types';
+import { Asset, AssetMetaData, ERC20Asset, ERC20AssetMetaData, Network, ZeroExInstantError } from '../../src/types';
 import { assetUtils } from '../../src/util/asset';
 
 const ZRX_ASSET_DATA = '0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498';
@@ -11,7 +12,7 @@ const ZRX_META_DATA: ERC20AssetMetaData = {
     decimals: 18,
     name: '0x',
 };
-const ZRX_ASSET: Asset = {
+const ZRX_ASSET: ERC20Asset = {
     assetData: ZRX_ASSET_DATA,
     metaData: ZRX_META_DATA,
 };
@@ -45,4 +46,32 @@ describe('assetDataUtil', () => {
             ).toThrowError(ZeroExInstantError.AssetMetaDataNotAvailable);
         });
     });
+    describe('assetBuyerErrorMessage', () => {
+        it('should return message for InsufficientAssetLiquidity', () => {
+            const insufficientAssetError = new Error(AssetBuyerError.InsufficientAssetLiquidity);
+            expect(assetUtils.assetBuyerErrorMessage(ZRX_ASSET, insufficientAssetError)).toEqual(
+                'Not enough ZRX available',
+            );
+        });
+        it('should return message for InsufficientAssetLiquidity', () => {
+            const insufficientZrxError = new Error(AssetBuyerError.InsufficientZrxLiquidity);
+            expect(assetUtils.assetBuyerErrorMessage(ZRX_ASSET, insufficientZrxError)).toEqual(
+                'Not enough ZRX available',
+            );
+        });
+        it('should message for StandardRelayerApiError', () => {
+            const standardRelayerError = new Error(AssetBuyerError.StandardRelayerApiError);
+            expect(assetUtils.assetBuyerErrorMessage(ZRX_ASSET, standardRelayerError)).toEqual(
+                'ZRX is currently unavailable',
+            );
+        });
+        it('should return error for AssetUnavailable error', () => {
+            const assetUnavailableError = new Error(
+                `${AssetBuyerError.AssetUnavailable}: For assetData ${ZRX_ASSET_DATA}`,
+            );
+            expect(assetUtils.assetBuyerErrorMessage(ZRX_ASSET, assetUnavailableError)).toEqual(
+                'ZRX is currently unavailable',
+            );
+        });
+    });
 });
diff --git a/packages/instant/webpack.config.js b/packages/instant/webpack.config.js
index 803240e76..a1db01db9 100644
--- a/packages/instant/webpack.config.js
+++ b/packages/instant/webpack.config.js
@@ -1,10 +1,16 @@
 const childProcess = require('child_process');
 const ip = require('ip');
 const path = require('path');
+const RollbarSourceMapPlugin = require('rollbar-sourcemap-webpack-plugin');
 const webpack = require('webpack');
 
+const GIT_SHA = childProcess
+    .execSync('git rev-parse HEAD')
+    .toString()
+    .trim();
+
 const DISCHARGE_TARGETS_THAT_REQUIRED_HEAP = ['production', 'staging', 'dogfood'];
-const getConfigForDischargeTarget = dischargeTarget => {
+const getHeapConfigForDischargeTarget = dischargeTarget => {
     return {
         heapAnalyticsIdEnvName:
             dischargeTarget === 'production'
@@ -14,14 +20,51 @@ const getConfigForDischargeTarget = dischargeTarget => {
     };
 };
 
-const GIT_SHA = childProcess
-    .execSync('git rev-parse HEAD')
-    .toString()
-    .trim();
-const generateConfig = (dischargeTarget, configOptions) => {
+const DISCHARGE_TARGETS_THAT_REQUIRE_ROLLBAR = ['production', 'staging', 'dogfood'];
+const getRollbarConfigForDischargeTarget = dischargeTarget => {
+    if (DISCHARGE_TARGETS_THAT_REQUIRE_ROLLBAR.includes(dischargeTarget)) {
+        const rollbarSourceMapPublicPath =
+            dischargeTarget === 'production'
+                ? 'https://instant.0xproject.com'
+                : `http://0x-instant-${dischargeTarget}.s3-website-us-east-1.amazonaws.com`;
+
+        return {
+            rollbarSourceMapPublicPath,
+            rollbarRequired: true,
+        };
+    }
+
+    return {
+        rollbarRequired: false,
+    };
+};
+
+const ROLLBAR_CLIENT_TOKEN_ENV_VAR_NAME = 'INSTANT_ROLLBAR_CLIENT_TOKEN';
+const ROLLBAR_PUBLISH_TOKEN_ENV_VAR_NAME = 'INSTANT_ROLLBAR_PUBLISH_TOKEN';
+const getRollbarTokens = (dischargeTarget, rollbarRequired) => {
+    const clientToken = process.env[ROLLBAR_CLIENT_TOKEN_ENV_VAR_NAME];
+    const publishToken = process.env[ROLLBAR_PUBLISH_TOKEN_ENV_VAR_NAME];
+
+    if (rollbarRequired) {
+        if (!clientToken) {
+            throw new Error(
+                `Rollbar client token required for ${dischargeTarget}, please set env var ${ROLLBAR_CLIENT_TOKEN_ENV_VAR_NAME}`,
+            );
+        }
+        if (!publishToken) {
+            throw new Error(
+                `Rollbar publish token required for ${dischargeTarget}, please set env var ${ROLLBAR_PUBLISH_TOKEN_ENV_VAR_NAME}`,
+            );
+        }
+    }
+
+    return { clientToken, publishToken };
+};
+
+const generateConfig = (dischargeTarget, heapConfigOptions, rollbarConfigOptions, nodeEnv) => {
     const outputPath = process.env.WEBPACK_OUTPUT_PATH || 'umd';
 
-    const { heapAnalyticsIdEnvName, heapAnalyticsIdRequired } = configOptions;
+    const { heapAnalyticsIdEnvName, heapAnalyticsIdRequired } = heapConfigOptions;
     const heapAnalyticsId = process.env[heapAnalyticsIdEnvName];
     if (heapAnalyticsIdRequired && !heapAnalyticsId) {
         throw new Error(
@@ -29,9 +72,26 @@ const generateConfig = (dischargeTarget, configOptions) => {
         );
     }
 
+    const rollbarTokens = getRollbarTokens(dischargeTarget, rollbarConfigOptions.rollbarRequired);
+    const rollbarEnabled =
+        rollbarTokens.clientToken && (nodeEnv !== 'development' || process.env.INSTANT_ROLLBAR_FORCE_DEVELOPMENT);
+
+    let rollbarPlugin;
+    if (rollbarConfigOptions.rollbarRequired) {
+        if (!rollbarEnabled || !rollbarTokens.publishToken || !rollbarConfigOptions.rollbarSourceMapPublicPath) {
+            throw new Error(`Rollbar required for ${dischargeTarget} but not configured`);
+        }
+        rollbarPlugin = new RollbarSourceMapPlugin({
+            accessToken: rollbarTokens.publishToken,
+            version: GIT_SHA,
+            publicPath: rollbarConfigOptions.rollbarSourceMapPublicPath,
+        });
+    }
+
     const envVars = {
         GIT_SHA: JSON.stringify(GIT_SHA),
         NPM_PACKAGE_VERSION: JSON.stringify(process.env.npm_package_version),
+        ROLLBAR_ENABLED: rollbarEnabled,
     };
     if (dischargeTarget) {
         envVars.INSTANT_DISCHARGE_TARGET = JSON.stringify(dischargeTarget);
@@ -39,6 +99,18 @@ const generateConfig = (dischargeTarget, configOptions) => {
     if (heapAnalyticsId) {
         envVars.HEAP_ANALYTICS_ID = JSON.stringify(heapAnalyticsId);
     }
+    if (rollbarTokens.clientToken) {
+        envVars.ROLLBAR_CLIENT_TOKEN = JSON.stringify(rollbarTokens.clientToken);
+    }
+
+    const plugins = [
+        new webpack.DefinePlugin({
+            'process.env': envVars,
+        }),
+    ];
+    if (rollbarPlugin) {
+        plugins.push(rollbarPlugin);
+    }
 
     const config = {
         entry: {
@@ -50,11 +122,7 @@ const generateConfig = (dischargeTarget, configOptions) => {
             library: 'zeroExInstant',
             libraryTarget: 'umd',
         },
-        plugins: [
-            new webpack.DefinePlugin({
-                'process.env': envVars,
-            }),
-        ],
+        plugins,
         devtool: 'source-map',
         resolve: {
             extensions: ['.js', '.json', '.ts', '.tsx'],
@@ -69,6 +137,15 @@ const generateConfig = (dischargeTarget, configOptions) => {
                     test: /\.svg$/,
                     loader: 'svg-react-loader',
                 },
+                {
+                    test: /\.js$/,
+                    loader: 'source-map-loader',
+                    exclude: [
+                        // instead of /\/node_modules\//
+                        path.join(process.cwd(), 'node_modules'),
+                        path.join(process.cwd(), '../..', 'node_modules'),
+                    ],
+                },
             ],
         },
         devServer: {
@@ -89,8 +166,9 @@ const generateConfig = (dischargeTarget, configOptions) => {
     return config;
 };
 
-module.exports = (env, _argv) => {
+module.exports = (env, argv) => {
     const dischargeTarget = env ? env.discharge_target : undefined;
-    const configOptions = getConfigForDischargeTarget(dischargeTarget);
-    return generateConfig(dischargeTarget, configOptions);
+    const heapConfigOptions = getHeapConfigForDischargeTarget(dischargeTarget);
+    const rollbarConfigOptions = getRollbarConfigForDischargeTarget(dischargeTarget);
+    return generateConfig(dischargeTarget, heapConfigOptions, rollbarConfigOptions, argv.mode);
 };
diff --git a/yarn.lock b/yarn.lock
index 80e070200..e3f047296 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -13439,6 +13439,21 @@ rollbar@^2.4.7:
   optionalDependencies:
     decache "^3.0.5"
 
+rollbar@^2.5.0:
+  version "2.5.0"
+  resolved "https://registry.yarnpkg.com/rollbar/-/rollbar-2.5.0.tgz#dbb513eea34f1e3bae57611810c3e6df0ef50a12"
+  dependencies:
+    async "~1.2.1"
+    console-polyfill "0.3.0"
+    debug "2.6.9"
+    error-stack-parser "1.3.3"
+    json-stringify-safe "~5.0.0"
+    lru-cache "~2.2.1"
+    request-ip "~2.0.1"
+    uuid "3.0.x"
+  optionalDependencies:
+    decache "^3.0.5"
+
 rst-selector-parser@^2.2.3:
   version "2.2.3"
   resolved "https://registry.npmjs.org/rst-selector-parser/-/rst-selector-parser-2.2.3.tgz#81b230ea2fcc6066c89e3472de794285d9b03d91"