fix: Restore DNS prefetching for static resources (#1820)
* fix: Restore DNS prefetching for static resources * fix: CDN paths feat: preload instead of prefetch for key bundles * csp * fix: Turns out prefetch-src is still behind a flag in Chrome, not publicly available yet
This commit is contained in:
parent
27fca28450
commit
3bace8c9e4
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@ -203,7 +203,7 @@
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"url-loader": "^0.6.2",
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"webpack": "4.44.1",
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"webpack-cli": "^3.3.12",
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"webpack-manifest-plugin": "^2.2.0"
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"webpack-manifest-plugin": "^3.0.0"
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},
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"resolutions": {
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"dot-prop": "^5.2.0",
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@ -23,21 +23,21 @@ const isProduction = process.env.NODE_ENV === "production";
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const isTest = process.env.NODE_ENV === "test";
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// Construct scripts CSP based on services in use by this installation
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const defaultSrc = ["'self'"];
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const scriptSrc = [
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"'self'",
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"'unsafe-inline'",
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"'unsafe-eval'",
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"gist.github.com",
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"browser.sentry-cdn.com",
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];
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if (env.GOOGLE_ANALYTICS_ID) {
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scriptSrc.push("www.google-analytics.com");
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}
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if (env.SENTRY_DSN) {
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scriptSrc.push("browser.sentry-cdn.com");
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}
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if (env.CDN_URL) {
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scriptSrc.push(env.CDN_URL);
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defaultSrc.push(env.CDN_URL);
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}
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app.use(compress());
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@ -167,7 +167,7 @@ app.use(helmet());
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app.use(
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contentSecurityPolicy({
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directives: {
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defaultSrc: ["'self'"],
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defaultSrc,
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scriptSrc,
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styleSrc: ["'self'", "'unsafe-inline'", "github.githubassets.com"],
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imgSrc: ["*", "data:", "blob:"],
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@ -10,6 +10,7 @@ import { languages } from "../shared/i18n";
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import environment from "./env";
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import apexRedirect from "./middlewares/apexRedirect";
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import { opensearchResponse } from "./utils/opensearch";
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import prefetchTags from "./utils/prefetchTags";
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import { robotsResponse } from "./utils/robots";
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const isProduction = process.env.NODE_ENV === "production";
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@ -50,6 +51,7 @@ const renderApp = async (ctx, next) => {
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ctx.body = page
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.toString()
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.replace(/\/\/inject-env\/\//g, env)
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.replace(/\/\/inject-prefetch\/\//g, prefetchTags)
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.replace(/\/\/inject-sentry-dsn\/\//g, process.env.SENTRY_DSN || "")
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.replace(/\/\/inject-slack-app-id\/\//g, process.env.SLACK_APP_ID || "");
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};
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@ -4,6 +4,7 @@
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<title>Outline</title>
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<meta name="slack-app-id" content="//inject-slack-app-id//" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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//inject-prefetch//
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<link
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rel="shortcut icon"
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type="image/png"
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@ -2,48 +2,57 @@
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import fs from "fs";
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import path from "path";
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import * as React from "react";
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import webpackConfig from "../../webpack.config";
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import ReactDOMServer from "react-dom/server";
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import env from "../env";
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const PUBLIC_PATH = webpackConfig.output.publicPath;
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const prefetchTags = [];
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const prefetchTags = [
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<link
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rel="dns-prefetch"
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href={process.env.AWS_S3_UPLOAD_BUCKET_URL}
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key="dns"
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/>,
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];
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if (process.env.AWS_S3_UPLOAD_BUCKET_URL) {
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prefetchTags.push(
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<link
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rel="dns-prefetch"
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href={process.env.AWS_S3_UPLOAD_BUCKET_URL}
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key="dns"
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/>
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);
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}
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let manifestData = {};
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try {
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const manifest = fs.readFileSync(
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path.join(__dirname, "../../app/manifest.json"),
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"utf8"
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);
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const manifestData = JSON.parse(manifest);
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Object.values(manifestData).forEach((filename) => {
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if (typeof filename !== "string") return;
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if (filename.endsWith(".js")) {
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prefetchTags.push(
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<link
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rel="prefetch"
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href={`${PUBLIC_PATH}${filename}`}
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key={filename}
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as="script"
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/>
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);
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} else if (filename.endsWith(".css")) {
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prefetchTags.push(
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<link
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rel="prefetch"
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href={`${PUBLIC_PATH}${filename}`}
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key={filename}
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as="style"
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/>
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);
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}
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});
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} catch (_e) {
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// no-op
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manifestData = JSON.parse(manifest);
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} catch (err) {
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console.warn(err);
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}
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export default prefetchTags;
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Object.values(manifestData).forEach((filename) => {
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if (typeof filename !== "string") return;
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if (!env.CDN_URL) return;
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if (filename.endsWith(".js")) {
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// Preload resources you have high-confidence will be used in the current
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// page.Prefetch resources likely to be used for future navigations
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const shouldPreload =
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filename.includes("/main") ||
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filename.includes("/runtime") ||
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filename.includes("/vendors");
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prefetchTags.push(
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<link
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rel={shouldPreload ? "preload" : "prefetch"}
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href={filename}
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key={filename}
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as="script"
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/>
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);
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} else if (filename.endsWith(".css")) {
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prefetchTags.push(
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<link rel="prefetch" href={filename} key={filename} as="style" />
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);
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}
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});
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export default ReactDOMServer.renderToString(prefetchTags);
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@ -1,7 +1,7 @@
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/* eslint-disable */
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const path = require('path');
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const webpack = require('webpack');
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const ManifestPlugin = require('webpack-manifest-plugin');
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const { WebpackManifestPlugin } = require('webpack-manifest-plugin');
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const TerserPlugin = require('terser-webpack-plugin');
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commonWebpackConfig = require('./webpack.config');
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@ -42,7 +42,7 @@ productionWebpackConfig = Object.assign(commonWebpackConfig, {
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productionWebpackConfig.plugins = [
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...productionWebpackConfig.plugins,
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new ManifestPlugin()
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new WebpackManifestPlugin()
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];
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module.exports = productionWebpackConfig;
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33
yarn.lock
33
yarn.lock
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@ -7946,7 +7946,7 @@ lodash.uniq@^4.5.0:
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resolved "https://registry.yarnpkg.com/lodash.uniq/-/lodash.uniq-4.5.0.tgz#d0225373aeb652adc1bc82e4945339a842754773"
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integrity sha1-0CJTc662Uq3BvILklFM5qEJ1R3M=
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"lodash@>=3.5 <5", lodash@^4.0.1, lodash@^4.15.0, lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.14, lodash@^4.17.15, lodash@^4.17.19, lodash@^4.17.20, lodash@^4.17.3, lodash@^4.17.4, lodash@^4.17.5:
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lodash@^4.0.1, lodash@^4.15.0, lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.14, lodash@^4.17.15, lodash@^4.17.19, lodash@^4.17.20, lodash@^4.17.3, lodash@^4.17.4, lodash@^4.17.5:
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version "4.17.20"
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resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.20.tgz#b44a9b6297bcb698f1c51a3545a2b3b368d59c52"
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integrity sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA==
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@ -8728,7 +8728,7 @@ object.assign@^4.0.4, object.assign@^4.1.0, object.assign@^4.1.1:
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has-symbols "^1.0.1"
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object-keys "^1.1.1"
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object.entries@^1.1.0, object.entries@^1.1.2:
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object.entries@^1.1.2:
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version "1.1.2"
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resolved "https://registry.yarnpkg.com/object.entries/-/object.entries-1.1.2.tgz#bc73f00acb6b6bb16c203434b10f9a7e797d3add"
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integrity sha512-BQdB9qKmb/HyNdMNWVr7O3+z5MUIx3aiegEIJqjMBbBf0YT9RRxTJSim4mzFqtyr7PDAHigq0N9dO0m0tRakQA==
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@ -11071,7 +11071,7 @@ sort-keys@^2.0.0:
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dependencies:
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is-plain-obj "^1.0.0"
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source-list-map@^2.0.0:
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source-list-map@^2.0.0, source-list-map@^2.0.1:
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version "2.0.1"
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resolved "https://registry.yarnpkg.com/source-list-map/-/source-list-map-2.0.1.tgz#3993bd873bfc48479cca9ea3a547835c7c154b34"
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integrity sha512-qnQ7gVMxGNxsiL4lEuJwe/To8UnK7fAnmbGEEH8RpLouuKbeEm0lhbQVFIrNSuB+G7tVrAlVsZgETT5nljf+Iw==
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@ -11552,6 +11552,11 @@ tapable@^1.0.0, tapable@^1.1.3:
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resolved "https://registry.yarnpkg.com/tapable/-/tapable-1.1.3.tgz#a1fccc06b58db61fd7a45da2da44f5f3a3e67ba2"
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integrity sha512-4WK/bYZmj8xLr+HUCODHGF1ZFzsYffasLUgEiMBY4fgtltdO6B4WJtlSbPaDTLpYTcGVwM2qLnFTICEcNxs3kA==
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tapable@^2.0.0:
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version "2.2.0"
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resolved "https://registry.yarnpkg.com/tapable/-/tapable-2.2.0.tgz#5c373d281d9c672848213d0e037d1c4165ab426b"
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integrity sha512-FBk4IesMV1rBxX2tfiK8RAmogtWn53puLOQlvO8XuwlgxcYbP4mVPS9Ph4aeamSyyVjOl24aYWAuc8U5kCVwMw==
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tar@^6.0.2:
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version "6.0.5"
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resolved "https://registry.yarnpkg.com/tar/-/tar-6.0.5.tgz#bde815086e10b39f1dcd298e89d596e1535e200f"
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@ -12599,15 +12604,13 @@ webpack-hot-middleware@2.x:
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querystring "^0.2.0"
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strip-ansi "^3.0.0"
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webpack-manifest-plugin@^2.2.0:
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version "2.2.0"
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resolved "https://registry.yarnpkg.com/webpack-manifest-plugin/-/webpack-manifest-plugin-2.2.0.tgz#19ca69b435b0baec7e29fbe90fb4015de2de4f16"
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integrity sha512-9S6YyKKKh/Oz/eryM1RyLVDVmy3NSPV0JXMRhZ18fJsq+AwGxUY34X54VNwkzYcEmEkDwNxuEOboCZEebJXBAQ==
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webpack-manifest-plugin@^3.0.0:
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version "3.0.0"
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resolved "https://registry.yarnpkg.com/webpack-manifest-plugin/-/webpack-manifest-plugin-3.0.0.tgz#426644300e5dc41a75a9c996c4d4f876eb3c2b5b"
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integrity sha512-nbORTdky2HxD8XSaaT+zrsHb30AAgyWAWgCLWaAeQO21VGCScGb52ipqlHA/njix1Z8OW8IOlo4+XK0OKr1fkw==
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dependencies:
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fs-extra "^7.0.0"
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lodash ">=3.5 <5"
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object.entries "^1.1.0"
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tapable "^1.0.0"
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tapable "^2.0.0"
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webpack-sources "^2.2.0"
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webpack-sources@^1.4.0, webpack-sources@^1.4.1, webpack-sources@^1.4.3:
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version "1.4.3"
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@ -12617,6 +12620,14 @@ webpack-sources@^1.4.0, webpack-sources@^1.4.1, webpack-sources@^1.4.3:
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source-list-map "^2.0.0"
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source-map "~0.6.1"
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webpack-sources@^2.2.0:
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version "2.2.0"
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resolved "https://registry.yarnpkg.com/webpack-sources/-/webpack-sources-2.2.0.tgz#058926f39e3d443193b6c31547229806ffd02bac"
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integrity sha512-bQsA24JLwcnWGArOKUxYKhX3Mz/nK1Xf6hxullKERyktjNMC4x8koOeaDNTA2fEJ09BdWLbM/iTW0ithREUP0w==
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dependencies:
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source-list-map "^2.0.1"
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source-map "^0.6.1"
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webpack@4.44.1:
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version "4.44.1"
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resolved "https://registry.yarnpkg.com/webpack/-/webpack-4.44.1.tgz#17e69fff9f321b8f117d1fda714edfc0b939cc21"
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