diff --git a/package.json b/package.json
index 80e84f9..ff6b539 100644
--- a/package.json
+++ b/package.json
@@ -61,6 +61,7 @@
 		"copy-webpack-plugin": "^4.5.1",
 		"esprima": "^4.0.0",
 		"firebase": "^5.0.4",
+		"jszip": "^3.1.5",
 		"preact": "^8.2.6",
 		"preact-compat": "^3.17.0",
 		"preact-portal": "^1.1.3",
diff --git a/src/components/Footer.jsx b/src/components/Footer.jsx
index 7923280..26e5e2d 100644
--- a/src/components/Footer.jsx
+++ b/src/components/Footer.jsx
@@ -1,6 +1,41 @@
 import { h, Component } from 'preact';
 import { Button } from './common';
 
+class JS13K extends Component {
+	constructor(props) {
+		super(props);
+		const compoDate = new Date('August 13 2018 11:00 GMT');
+		var now = new Date();
+		var daysLeft;
+		if (+compoDate > +now) {
+			daysLeft = Math.floor((compoDate - now) / 1000 / 3600 / 24);
+		}
+		this.setState({
+			daysLeft
+		});
+	}
+
+	render() {
+		return (
+			<div class="flex flex-v-center">
+				<img
+					src="http://js13kgames.com/img/js13kgames.png"
+					alt="JS13K Games logo"
+					height="24"
+				/>{' '}
+				<div class="footer__js13k-text">{this.state.daysLeft} days to go</div>
+				<div
+					style={{
+						color: this.props.codeSize > 10 ? 'crimson' : 'limegreen'
+					}}
+				>
+					{(this.props.codeSize / 1024).toFixed(2)} KB/ 13KB
+				</div>
+			</div>
+		);
+	}
+}
+
 export default class Footer extends Component {
 	constructor(props) {
 		super(props);
@@ -15,7 +50,83 @@ export default class Footer extends Component {
 	render() {
 		return (
 			<div id="footer" class="footer">
-				<div class="footer__right fr">
+				<div>
+					<a
+						href="https://webmakerapp.com/"
+						target="_blank"
+						rel="noopener noreferrer"
+					>
+						<div class="logo" />
+					</a>
+					&copy;
+					<span class="web-maker-with-tag">Web Maker</span> &nbsp;&nbsp;
+					<Button
+						onClick={this.props.helpBtnClickHandler}
+						data-event-category="ui"
+						data-event-action="helpButtonClick"
+						class="footer__link  hint--rounded  hint--top-right"
+						aria-label="Help"
+					>
+						<svg
+							style="width:20px; height:20px; vertical-align:text-bottom"
+							viewBox="0 0 24 24"
+						>
+							<path d="M15.07,11.25L14.17,12.17C13.45,12.89 13,13.5 13,15H11V14.5C11,13.39 11.45,12.39 12.17,11.67L13.41,10.41C13.78,10.05 14,9.55 14,9C14,7.89 13.1,7 12,7A2,2 0 0,0 10,9H8A4,4 0 0,1 12,5A4,4 0 0,1 16,9C16,9.88 15.64,10.67 15.07,11.25M13,19H11V17H13M12,2A10,10 0 0,0 2,12A10,10 0 0,0 12,22A10,10 0 0,0 22,12C22,6.47 17.5,2 12,2Z" />
+						</svg>
+					</Button>
+					<Button
+						onClick={this.props.keyboardShortcutsBtnClickHandler}
+						data-event-category="ui"
+						data-event-action="keyboardShortcutButtonClick"
+						class="footer__link hint--rounded  hint--top-right hide-on-mobile"
+						aria-label="Keyboard shortcuts"
+					>
+						<svg
+							style={{
+								width: '20px',
+								height: '20px',
+								verticalAlign: 'text-bottom'
+							}}
+						>
+							<use xlinkHref="#keyboard-icon" />
+						</svg>
+					</Button>
+					<a
+						class="footer__link  hint--rounded  hint--top-right"
+						aria-label="Tweet about 'Web Maker'"
+						href="http://twitter.com/share?url=https://webmakerapp.com/&text=Web Maker - A blazing fast %26 offline web playground! via @webmakerApp&related=webmakerApp&hashtags=web,frontend,playground,offline"
+						target="_blank"
+						rel="noopener noreferrer"
+					>
+						<svg
+							style={{
+								width: '20px',
+								height: '20px',
+								verticalAlign: 'text-bottom'
+							}}
+						>
+							<use xlinkHref="#twitter-icon" />
+						</svg>
+					</a>
+					<Button
+						onClick={this.props.supportDeveloperBtnClickHandler}
+						data-event-category="ui"
+						data-event-action="supportDeveloperFooterBtnClick"
+						class="footer__link  ml-1  hint--rounded  hint--top-right hide-on-mobile support-link"
+						aria-label="Support the developer by pledging some amount"
+					>
+						Donate
+					</Button>
+				</div>
+
+				{this.props.prefs.isJs13kModeOn ? (
+					<div class="flex">
+						<JS13K codeSize={this.props.codeSize} />
+						<button onClick={this.props.onJs13KBtnClick}>Help</button>
+					</div>
+				) : null}
+
+				<div class="footer__right">
 					<button
 						onClick={this.props.saveHtmlBtnClickHandler}
 						id="saveHtmlBtn"
@@ -150,72 +261,6 @@ export default class Footer extends Component {
 						</svg>
 					</Button>
 				</div>
-				<a
-					href="https://webmakerapp.com/"
-					target="_blank"
-					rel="noopener noreferrer"
-				>
-					<div class="logo" />
-				</a>
-				&copy;
-				<span class="web-maker-with-tag">Web Maker</span> &nbsp;&nbsp;
-				<Button
-					onClick={this.props.helpBtnClickHandler}
-					data-event-category="ui"
-					data-event-action="helpButtonClick"
-					class="footer__link  hint--rounded  hint--top-right"
-					aria-label="Help"
-				>
-					<svg
-						style="width:20px; height:20px; vertical-align:text-bottom"
-						viewBox="0 0 24 24"
-					>
-						<path d="M15.07,11.25L14.17,12.17C13.45,12.89 13,13.5 13,15H11V14.5C11,13.39 11.45,12.39 12.17,11.67L13.41,10.41C13.78,10.05 14,9.55 14,9C14,7.89 13.1,7 12,7A2,2 0 0,0 10,9H8A4,4 0 0,1 12,5A4,4 0 0,1 16,9C16,9.88 15.64,10.67 15.07,11.25M13,19H11V17H13M12,2A10,10 0 0,0 2,12A10,10 0 0,0 12,22A10,10 0 0,0 22,12C22,6.47 17.5,2 12,2Z" />
-					</svg>
-				</Button>
-				<Button
-					onClick={this.props.keyboardShortcutsBtnClickHandler}
-					data-event-category="ui"
-					data-event-action="keyboardShortcutButtonClick"
-					class="footer__link hint--rounded  hint--top-right hide-on-mobile"
-					aria-label="Keyboard shortcuts"
-				>
-					<svg
-						style={{
-							width: '20px',
-							height: '20px',
-							verticalAlign: 'text-bottom'
-						}}
-					>
-						<use xlinkHref="#keyboard-icon" />
-					</svg>
-				</Button>
-				<a
-					class="footer__link  hint--rounded  hint--top-right"
-					aria-label="Tweet about 'Web Maker'"
-					href="http://twitter.com/share?url=https://webmakerapp.com/&text=Web Maker - A blazing fast %26 offline web playground! via @webmakerApp&related=webmakerApp&hashtags=web,frontend,playground,offline"
-					target="_blank"
-					rel="noopener noreferrer"
-				>
-					<svg
-						style={{
-							width: '20px',
-							height: '20px',
-							verticalAlign: 'text-bottom'
-						}}
-					>
-						<use xlinkHref="#twitter-icon" />
-					</svg>
-				</a>
-				<Button
-					onClick={this.props.supportDeveloperBtnClickHandler}
-					data-event-category="ui"
-					data-event-action="supportDeveloperFooterBtnClick"
-					class="footer__link  ml-1  hint--rounded  hint--top-right hide-on-mobile support-link"
-					aria-label="Support the developer by pledging some amount"
-				>
-					Support the developer
-				</Button>
 			</div>
 		);
 	}
diff --git a/src/components/Js13KModal.jsx b/src/components/Js13KModal.jsx
new file mode 100644
index 0000000..f377322
--- /dev/null
+++ b/src/components/Js13KModal.jsx
@@ -0,0 +1,74 @@
+import { h } from 'preact';
+import Modal from './Modal';
+
+export function Js13KModal({ show, closeHandler }) {
+	return (
+		<Modal show={show} closeHandler={closeHandler} small>
+			<div class="tac">
+				<div className="flex flex-v-center flex-h-center ">
+					<img
+						src="/icon-128.png"
+						alt="Web Maker logo"
+						height="100"
+						style="margin:0 0.5rem;"
+					/>
+					<h2>Web Maker</h2>
+					<span style="font-size:3rem;margin:0 1rem;">➕</span>
+					<h2>JS13K Games</h2>
+					<img
+						src="http://js13kgames.com/img/logo.png"
+						alt="JS13K Games logo"
+						height="100"
+						style="margin:0 0.5rem;"
+					/>
+				</div>
+			</div>
+			<div>
+				<p>
+					<strong>Js13kGames</strong> is a JavaScript coding competition for{' '}
+					<strong>HTML5 Game Developers</strong>. The fun part of the compo is
+					the file size limit set to <strong>13 kilobytes</strong>. The
+					competition will start at <strong>13:00 CEST, 13th August</strong> and
+					will end at <strong>13:00 CEST, 13th September 2018</strong>.
+				</p>
+
+				<p>
+					Web Maker is an frontend playground that works offline! You can play
+					around quickly with HTML, JavaScript & CSS to build your awesome game
+					right here.
+				</p>
+
+				<ul>
+					<li>
+						<a
+							href="https://gamedevelopment.tutsplus.com/articles/how-to-minify-your-html5-game-for-the-js13kgames-competition--cms-21883"
+							target="_blank"
+							rel="noopener noreferrer"
+						>
+							Read Tuts+ Gamedev intro article
+						</a>
+					</li>
+					<li>
+						<a
+							href="http://js13kgames.github.io/resources/"
+							target="_blank"
+							rel="noopener noreferrer"
+						>
+							Resources and useful tools
+						</a>
+					</li>
+					<li>
+						<a
+							href="http://2018.js13kgames.com/#rules"
+							target="_blank"
+							rel="noopener noreferrer"
+						>
+							Compo rules
+						</a>
+					</li>
+				</ul>
+				<p>Have fun building games!</p>
+			</div>
+		</Modal>
+	);
+}
diff --git a/src/components/Modal.jsx b/src/components/Modal.jsx
index ea2ccf1..6b5f4ba 100644
--- a/src/components/Modal.jsx
+++ b/src/components/Modal.jsx
@@ -56,7 +56,9 @@ export default class Modal extends Component {
 		return (
 			<Portal into="body">
 				<div
-					class={`${this.props.extraClasses || ''} modal is-modal-visible`}
+					class={`${this.props.extraClasses || ''} modal is-modal-visible ${
+						this.props.small ? 'modal--small' : ''
+					}`}
 					ref={el => (this.overlayEl = el)}
 					onClick={this.onOverlayClick.bind(this)}
 				>
diff --git a/src/components/Settings.jsx b/src/components/Settings.jsx
index 657a77a..d81123c 100644
--- a/src/components/Settings.jsx
+++ b/src/components/Settings.jsx
@@ -286,6 +286,14 @@ export default class Settings extends Component {
 						pref={this.props.prefs.isCodeBlastOn}
 						onChange={this.updateSetting.bind(this)}
 					/>
+
+					<CheckboxSetting
+						title="Get ready to build some games at JS13KGames"
+						label="JS13KGames Mode"
+						name="isJs13kModeOn"
+						pref={this.props.prefs.isJs13kModeOn}
+						onChange={this.updateSetting.bind(this)}
+					/>
 				</p>
 
 				<hr />
diff --git a/src/components/app.jsx b/src/components/app.jsx
index 1103a7a..a104371 100644
--- a/src/components/app.jsx
+++ b/src/components/app.jsx
@@ -10,13 +10,15 @@ import SavedItemPane from './SavedItemPane.jsx';
 import AddLibrary from './AddLibrary.jsx';
 import Modal from './Modal.jsx';
 import Login from './Login.jsx';
+import { computeHtml, computeCss, computeJs } from '../computes';
 import {
 	log,
 	generateRandomId,
 	semverCompare,
 	saveAsHtml,
 	handleDownloadsPermission,
-	downloadFile
+	downloadFile,
+	getCompleteHtml
 } from '../utils';
 import { itemService } from '../itemService';
 import '../db';
@@ -38,7 +40,9 @@ import { Alerts } from './Alerts';
 import Portal from 'preact-portal';
 import { HelpModal } from './HelpModal';
 import { OnboardingModal } from './OnboardingModal';
+import { Js13KModal } from './Js13KModal';
 import { Icons } from './Icons';
+import JSZip from 'jszip';
 
 if (module.hot) {
 	require('preact/debug');
@@ -68,6 +72,7 @@ export default class App extends Component {
 			isKeyboardShortcutsModalOpen: false,
 			isAskToImportModalOpen: false,
 			isOnboardModalOpen: false,
+			isJs13KModalOpen: false,
 			prefs: {},
 			currentItem: {
 				title: '',
@@ -96,7 +101,8 @@ export default class App extends Component {
 			lightVersion: false,
 			lineWrap: true,
 			infiniteLoopTimeout: 1000,
-			layoutMode: 2
+			layoutMode: 2,
+			isJs13kModeOn: false
 		};
 		this.prefs = {};
 
@@ -493,7 +499,8 @@ export default class App extends Component {
 			isSupportDeveloperModalOpen: false,
 			isKeyboardShortcutsModalOpen: false,
 			isAskToImportModalOpen: false,
-			isOnboardModalOpen: false
+			isOnboardModalOpen: false,
+			isJs13KModalOpen: false
 		});
 	}
 	onExternalLibChange(newValues) {
@@ -697,6 +704,7 @@ export default class App extends Component {
 				});
 			}
 		}
+		this.calculateCodeSize();
 	}
 	onCodeSettingsChange(type, settings) {
 		this.state.currentItem[`${type}Settings`] = {
@@ -973,6 +981,138 @@ export default class App extends Component {
 		this.state.currentItem.mainSizes = this.getMainPaneSizes();
 	}
 
+	/**
+	 * Calculate byte size of a text snippet
+	 * @author Lea Verou
+	 * MIT License
+	 */
+	calculateTextSize(text) {
+		if (!text) {
+			return 0;
+		}
+		var crlf = /(\r?\n|\r)/g,
+			whitespace = /(\r?\n|\r|\s+)/g;
+
+		const ByteSize = {
+			count: function(text, options) {
+				// Set option defaults
+				options = options || {};
+				options.lineBreaks = options.lineBreaks || 1;
+				options.ignoreWhitespace = options.ignoreWhitespace || false;
+
+				var length = text.length,
+					nonAscii = length - text.replace(/[\u0100-\uFFFF]/g, '').length,
+					lineBreaks = length - text.replace(crlf, '').length;
+
+				if (options.ignoreWhitespace) {
+					// Strip whitespace
+					text = text.replace(whitespace, '');
+
+					return text.length + nonAscii;
+				} else {
+					return (
+						length +
+						nonAscii +
+						Math.max(0, options.lineBreaks * (lineBreaks - 1))
+					);
+				}
+			},
+
+			format: function(count, plainText) {
+				var level = 0;
+
+				while (count > 1024) {
+					count /= 1024;
+					level++;
+				}
+
+				// Round to 2 decimals
+				count = Math.round(count * 100) / 100;
+
+				level = ['', 'K', 'M', 'G', 'T'][level];
+
+				return (
+					(plainText ? count : '<strong>' + count + '</strong>') +
+					' ' +
+					level +
+					'B'
+				);
+			}
+		};
+
+		return ByteSize.count(text);
+	}
+	getExternalLibCode() {
+		const item = this.state.currentItem;
+		var libs = (item.externalLibs && item.externalLibs.js) || '';
+		libs += ('\n' + item.externalLibs && item.externalLibs.css) || '';
+		libs = libs.split('\n').filter(lib => lib);
+		return libs.map(lib =>
+			fetch(lib)
+				.then(res => res.text())
+				.then(data => {
+					return {
+						code: data,
+						url: 'dsfds'
+					};
+				})
+		);
+	}
+	calculateCodeSize() {
+		const item = this.state.currentItem;
+		var htmlPromise = computeHtml(item.html, item.htmlMode);
+		var cssPromise = computeCss(item.css, item.cssMode);
+		var jsPromise = computeJs(item.js, item.jsMode, false);
+		Promise.all([
+			htmlPromise,
+			cssPromise,
+			jsPromise,
+			...this.getExternalLibCode()
+		]).then(result => {
+			var html = result[0].code || '',
+				css = result[1].code || '',
+				js = result[2].code || '';
+
+			var fileContent = getCompleteHtml(html, css, js, item, true);
+
+			var zip = new JSZip();
+			// Add an top-level, arbitrary text file with contents
+			zip.file('index.html', fileContent);
+			[result[3]].map(externalLib =>
+				zip.file(externalLib.name, externalLib.code)
+			);
+
+			console.log('ORIGINAL', this.calculateTextSize(fileContent));
+
+			var promise = null;
+			if (0 && JSZip.support.uint8array) {
+				promise = zip.generateAsync({ type: 'uint8array' });
+			} else {
+				promise = zip.generateAsync({
+					type: 'string',
+					compression: 'DEFLATE',
+					compressionOptions: {
+						level: 9
+					}
+				});
+			}
+
+			promise.then(data => {
+				const zipContent = data;
+				const size = this.calculateTextSize(data);
+				this.setState({
+					codeSize: size
+				});
+			});
+		});
+	}
+
+	js13KBtnClickHandler() {
+		this.setState({
+			isJs13KModalOpen: true
+		});
+	}
+
 	render() {
 		return (
 			<div>
@@ -1006,6 +1146,7 @@ export default class App extends Component {
 					/>
 					<div class="global-console-container" id="globalConsoleContainerEl" />
 					<Footer
+						prefs={this.state.prefs}
 						layoutBtnClickHandler={this.layoutBtnClickHandler.bind(this)}
 						helpBtnClickHandler={() => this.setState({ isHelpModalOpen: true })}
 						settingsBtnClickHandler={() =>
@@ -1028,7 +1169,9 @@ export default class App extends Component {
 						screenshotBtnClickHandler={this.screenshotBtnClickHandler.bind(
 							this
 						)}
+						onJs13KBtnClick={this.js13KBtnClickHandler.bind(this)}
 						hasUnseenChangelog={this.state.hasUnseenChangelog}
+						codeSize={this.state.codeSize}
 					/>
 				</div>
 
@@ -1145,6 +1288,11 @@ export default class App extends Component {
 					closeHandler={() => this.setState({ isOnboardModalOpen: false })}
 				/>
 
+				<Js13KModal
+					show={this.state.isJs13KModalOpen}
+					closeHandler={() => this.setState({ isJs13KModalOpen: false })}
+				/>
+
 				<Portal into="body">
 					<div
 						class="modal-overlay"
diff --git a/src/style.css b/src/style.css
index c777c72..76b53f7 100644
--- a/src/style.css
+++ b/src/style.css
@@ -573,6 +573,8 @@ body > #demo-frame {
 }
 
 .footer {
+	display: flex;
+	justify-content: space-between;
 	/* Because .console is 6 */
 	z-index: 6;
 }
@@ -852,7 +854,8 @@ body > #demo-frame {
 }
 
 .pledge-modal .modal__content,
-.ask-to-import-modal .modal__content {
+.ask-to-import-modal .modal__content,
+.modal--small .modal__content {
 	max-width: 800px;
 }
 
@@ -1506,6 +1509,16 @@ body:not(.is-app) .show-when-app {
 	visibility: visible;
 }
 
+.footer__js13k-text {
+	padding: 1px 9px;
+	text-transform: uppercase;
+	background: #b12a34;
+	color: white;
+	border-radius: 3px;
+	letter-spacing: 0.7px;
+	margin-left: 1rem;
+}
+
 @media screen and (max-width: 600px) {
 	body {
 		font-size: 70%;
diff --git a/src/utils.js b/src/utils.js
index 1a91547..9e4d8e0 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -378,7 +378,7 @@ export function saveAsHtml(item) {
 	var htmlPromise = computeHtml(item.html, item.htmlMode);
 	var cssPromise = computeCss(item.css, item.cssMode);
 	var jsPromise = computeJs(item.js, item.jsMode, false);
-	Promise.all([htmlPromise, cssPromise, jsPromise]).then(function(result) {
+	Promise.all([htmlPromise, cssPromise, jsPromise]).then(result => {
 		var html = result[0].code,
 			css = result[1].code,
 			js = result[2].code;
diff --git a/yarn.lock b/yarn.lock
index 449bda3..e0ae5a4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2467,6 +2467,10 @@ core-js@^2.4.0, core-js@^2.5.0:
   version "2.5.7"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.5.7.tgz#f972608ff0cead68b841a16a932d0b183791814e"
 
+core-js@~2.3.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.3.0.tgz#fab83fbb0b2d8dc85fa636c4b9d34c75420c6d65"
+
 core-util-is@1.0.2, core-util-is@~1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
@@ -3242,6 +3246,10 @@ es6-promise@^4.0.5:
   version "4.2.4"
   resolved "https://registry.yarnpkg.com/es6-promise/-/es6-promise-4.2.4.tgz#dc4221c2b16518760bd8c39a52d8f356fc00ed29"
 
+es6-promise@~3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/es6-promise/-/es6-promise-3.0.2.tgz#010d5858423a5f118979665f46486a95c6ee2bb6"
+
 es6-set@~0.1.5:
   version "0.1.5"
   resolved "https://registry.yarnpkg.com/es6-set/-/es6-set-0.1.5.tgz#d2b3ec5d4d800ced818db538d28974db0a73ccb1"
@@ -4812,6 +4820,10 @@ ignore@^3.3.3, ignore@^3.3.5:
   version "3.3.8"
   resolved "https://registry.yarnpkg.com/ignore/-/ignore-3.3.8.tgz#3f8e9c35d38708a3a7e0e9abb6c73e7ee7707b2b"
 
+immediate@~3.0.5:
+  version "3.0.6"
+  resolved "https://registry.yarnpkg.com/immediate/-/immediate-3.0.6.tgz#9db1dbd0faf8de6fbe0f5dd5e56bb606280de69b"
+
 immutability-helper@^2.1.2:
   version "2.7.0"
   resolved "https://registry.yarnpkg.com/immutability-helper/-/immutability-helper-2.7.0.tgz#4ea9916cc8f45142ec3e3f0fce75fa5d66fa1b38"
@@ -5752,6 +5764,16 @@ jsx-ast-utils@^2.0.1:
   dependencies:
     array-includes "^3.0.3"
 
+jszip@^3.1.5:
+  version "3.1.5"
+  resolved "https://registry.yarnpkg.com/jszip/-/jszip-3.1.5.tgz#e3c2a6c6d706ac6e603314036d43cd40beefdf37"
+  dependencies:
+    core-js "~2.3.0"
+    es6-promise "~3.0.2"
+    lie "~3.1.0"
+    pako "~1.0.2"
+    readable-stream "~2.0.6"
+
 killable@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/killable/-/killable-1.0.0.tgz#da8b84bd47de5395878f95d64d02f2449fe05e6b"
@@ -5823,6 +5845,12 @@ levn@^0.3.0, levn@~0.3.0:
     prelude-ls "~1.1.2"
     type-check "~0.3.2"
 
+lie@~3.1.0:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/lie/-/lie-3.1.1.tgz#9a436b2cc7746ca59de7a41fa469b3efb76bd87e"
+  dependencies:
+    immediate "~3.0.5"
+
 liftoff@^2.1.0:
   version "2.5.0"
   resolved "https://registry.yarnpkg.com/liftoff/-/liftoff-2.5.0.tgz#2009291bb31cea861bbf10a7c15a28caf75c31ec"
@@ -6993,7 +7021,7 @@ package-json@^4.0.0:
     registry-url "^3.0.3"
     semver "^5.1.0"
 
-pako@~1.0.5:
+pako@~1.0.2, pako@~1.0.5:
   version "1.0.6"
   resolved "https://registry.yarnpkg.com/pako/-/pako-1.0.6.tgz#0101211baa70c4bca4a0f63f2206e97b7dfaf258"
 
@@ -7694,6 +7722,10 @@ process-nextick-args@^2.0.0, process-nextick-args@~2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-2.0.0.tgz#a37d732f4271b4ab1ad070d35508e8290788ffaa"
 
+process-nextick-args@~1.0.6:
+  version "1.0.7"
+  resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-1.0.7.tgz#150e20b756590ad3f91093f25a4f2ad8bff30ba3"
+
 process@^0.11.10:
   version "0.11.10"
   resolved "https://registry.yarnpkg.com/process/-/process-0.11.10.tgz#7332300e840161bda3e69a1d1d91a7d4bc16f182"
@@ -7960,6 +7992,17 @@ readable-stream@~1.1.9:
     isarray "0.0.1"
     string_decoder "~0.10.x"
 
+readable-stream@~2.0.6:
+  version "2.0.6"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.0.6.tgz#8f90341e68a53ccc928788dacfcd11b36eb9b78e"
+  dependencies:
+    core-util-is "~1.0.0"
+    inherits "~2.0.1"
+    isarray "~1.0.0"
+    process-nextick-args "~1.0.6"
+    string_decoder "~0.10.x"
+    util-deprecate "~1.0.1"
+
 readdirp@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/readdirp/-/readdirp-2.1.0.tgz#4ed0ad060df3073300c48440373f72d1cc642d78"