diff --git a/.codeclimate.yml b/.codeclimate.yml
index 954be3f4..94ff8041 100644
--- a/.codeclimate.yml
+++ b/.codeclimate.yml
@@ -4,13 +4,14 @@ checks:
     config:
       threshold: 30
 plugins:
+  eslint:
+    enabled: false
   tslint:
-    enabled: true
-    config: tslint.json
+    enabled: false
 exclude_patterns:
   - ".github/"
   - "dist/"
   - "samples/"
   - "test/"
   - "utl/"
-  - "**/node_modules/"
\ No newline at end of file
+  - "**/node_modules/"
diff --git a/.travis.yml b/.travis.yml
index 87092fe3..ea47d6db 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,7 +3,6 @@ sudo: required
 language: node_js
 
 node_js:
-  - "8"
   - "10"
   - "12"
   - stable
diff --git a/dist/actions/index.js b/dist/actions/index.js
index 8bb54ab9..11c89271 100644
--- a/dist/actions/index.js
+++ b/dist/actions/index.js
@@ -12,7 +12,7 @@ function isGraphicsOutput(pOutputType) {
 function getAST(pInput, pOptions) {
     return mscgenjs_1.translateMsc(pInput, {
         inputType: pOptions.inputType,
-        outputType: "ast"
+        outputType: "ast",
     });
 }
 function removeAutoWidth(pAST, pOutputType) {
@@ -25,18 +25,18 @@ function removeAutoWidth(pAST, pOutputType) {
 exports.removeAutoWidth = removeAutoWidth;
 function render(pOptions) {
     return getStream(fileNameToStream_1.getInStream(pOptions.inputFrom))
-        .then(pInput => getAST(pInput, pOptions))
-        .then(pAST => render_1.renderWithChromeHeadless(removeAutoWidth(pAST, pOptions.outputType), pOptions));
+        .then((pInput) => getAST(pInput, pOptions))
+        .then((pAST) => render_1.renderWithChromeHeadless(removeAutoWidth(pAST, pOptions.outputType), pOptions));
 }
 function transpile(pOptions) {
-    return getStream(fileNameToStream_1.getInStream(pOptions.inputFrom)).then(pInput => mscgenjs_1.translateMsc(pInput, pOptions));
+    return getStream(fileNameToStream_1.getInStream(pOptions.inputFrom)).then((pInput) => mscgenjs_1.translateMsc(pInput, pOptions));
 }
 function transform(pOptions) {
     if (isGraphicsOutput(pOptions.outputType)) {
-        return render(pOptions).then(pResult => fileNameToStream_1.getOutStream(pOptions.outputTo).write(pResult));
+        return render(pOptions).then((pResult) => fileNameToStream_1.getOutStream(pOptions.outputTo).write(pResult));
     }
     else {
-        return transpile(pOptions).then(pResult => fileNameToStream_1.getOutStream(pOptions.outputTo).write(pResult, "utf8"));
+        return transpile(pOptions).then((pResult) => fileNameToStream_1.getOutStream(pOptions.outputTo).write(pResult, "utf8"));
     }
 }
 exports.transform = transform;
diff --git a/dist/actions/render.js b/dist/actions/render.js
index ec0ec06d..2c7eb34f 100644
--- a/dist/actions/render.js
+++ b/dist/actions/render.js
@@ -23,7 +23,7 @@ function cookEvalFunction(pAST, pOptions) {
 }
 function getPuppeteerLaunchOptions(pPuppeteerLaunchOptions) {
     return Object.assign({
-        headless: true
+        headless: true,
     }, pPuppeteerLaunchOptions || {});
 }
 function renderSVG(page) {
@@ -50,12 +50,12 @@ function renderBitmap(page, pOptions) {
             deviceScaleFactor: 2,
             height: 1,
             isMobile: false,
-            width: 1
+            width: 1,
         });
         return yield page.screenshot({
             fullPage: true,
             omitBackground: false,
-            type: pOptions.outputType
+            type: pOptions.outputType,
         });
     });
 }
@@ -66,11 +66,11 @@ function renderWithChromeHeadless(pAST, pOptions) {
             browser = yield puppeteer.launch(getPuppeteerLaunchOptions(pOptions.puppeteerOptions));
             const page = yield browser.newPage();
             yield page.goto(`file:///${__dirname}/template.html`, {
-                waitUntil: "networkidle2"
+                waitUntil: "networkidle2",
             });
             yield page.evaluate(cookEvalFunction(JSON.stringify(pAST), pOptions));
             yield page.addScriptTag({
-                path: require.resolve("mscgenjs-inpage")
+                path: require.resolve("mscgenjs-inpage"),
             });
             yield page.waitFor("mscgen#replaceme[data-renderedby='mscgen_js']");
             if (pOptions.outputType === "svg") {
diff --git a/dist/cli/index.js b/dist/cli/index.js
index 4ad30582..1a8a6a54 100644
--- a/dist/cli/index.js
+++ b/dist/cli/index.js
@@ -25,13 +25,13 @@ try {
     program
         /* tslint:disable-next-line */
         .version(require("../../package.json").version)
-        .option("-T --output-type <type>", validations.validOutputTypeRE, validations.validOutputType)
+        .option("-T --output-type <type>", validations.validOutputTypeRE, (pOutputType) => validations.validOutputType(pOutputType))
         .option("-I --input-type <type>", validations.validInputTypeRE, validations.validInputType)
         .option("-i --input-from <file>", "File to read from. use - for stdin.")
         .option("-o --output-to <file>", "File to write to. use - for stdout.")
         .option("-p --parser-output", "Print parsed msc output")
         .option("-s --css <string>", "Additional styles to use. Experimental")
-        .option("-n --named-style <style>", validations.validNamedStyleRE, validations.validNamedStyle)
+        .option("-n --named-style <style>", validations.validNamedStyleRE, (pNamedStyle) => validations.validNamedStyle(pNamedStyle))
         .option("-m --mirror-entities", `Repeat the entities on the chart's
                                  bottom`)
         .option("-v --vertical-alignment <align>", `Vertical alignment of labels on regular
diff --git a/dist/cli/normalizations.js b/dist/cli/normalizations.js
index 2e500b78..96860d44 100644
--- a/dist/cli/normalizations.js
+++ b/dist/cli/normalizations.js
@@ -9,7 +9,7 @@ const INPUT_EXTENSIONS = Object.freeze({
     mscin: "mscgen",
     msgenny: "msgenny",
     seq: "mscgen",
-    xu: "xu"
+    xu: "xu",
 });
 const OUTPUT_EXTENSIONS = Object.freeze({
     ast: "json",
@@ -25,7 +25,7 @@ const OUTPUT_EXTENSIONS = Object.freeze({
     png: "png",
     seq: "mscgen",
     svg: "svg",
-    xu: "xu"
+    xu: "xu",
 });
 /**
  * Given a filename in pString, returns what language is probably
diff --git a/dist/cli/validations.js b/dist/cli/validations.js
index 6a6a7c80..ae8bf45a 100644
--- a/dist/cli/validations.js
+++ b/dist/cli/validations.js
@@ -6,7 +6,7 @@ const mscgenjs = require("mscgenjs");
 /* tslint:disable-next-line */
 const puppeteerOptionsSchema = require("./puppeteer-options.schema.json");
 const VALID_GRAPHICS_TYPES = Object.freeze(["svg", "png", "jpeg"]);
-const VALID_OUTPUT_TYPES = VALID_GRAPHICS_TYPES.concat(mscgenjs.getAllowedValues().outputType.map(pValue => pValue.name));
+const VALID_OUTPUT_TYPES = VALID_GRAPHICS_TYPES.concat(mscgenjs.getAllowedValues().outputType.map((pValue) => pValue.name));
 const ajv = new Ajv();
 function isStdout(pFilename) {
     return "-" === pFilename;
@@ -32,7 +32,7 @@ function isValidValue(pAttribute, pCandidateValue) {
     return mscgenjs.getAllowedValues()[pAttribute].some((pValue) => pValue.name === pCandidateValue);
 }
 function validOutputType(pType) {
-    if (VALID_OUTPUT_TYPES.some(pName => pName === pType)) {
+    if (VALID_OUTPUT_TYPES.some((pName) => pName === pType)) {
         return pType;
     }
     throw Error(`\n  error: '${pType}' is not a valid output type. mscgen_js can emit:` +
@@ -112,14 +112,14 @@ exports.validPuppeteerOptions = validPuppeteerOptions;
 exports.validOutputTypeRE = VALID_OUTPUT_TYPES.join("|");
 exports.validInputTypeRE = mscgenjs
     .getAllowedValues()
-    .inputType.map(pValue => pValue.name)
+    .inputType.map((pValue) => pValue.name)
     .join("|");
 exports.validNamedStyleRE = mscgenjs
     .getAllowedValues()
-    .namedStyle.filter(pValue => pValue.experimental === false && pValue.deprecated === false)
-    .map(pValue => pValue.name)
+    .namedStyle.filter((pValue) => pValue.experimental === false && pValue.deprecated === false)
+    .map((pValue) => pValue.name)
     .join("|");
 exports.validVerticalAlignmentRE = mscgenjs
     .getAllowedValues()
-    .regularArcTextVerticalAlignment.map(pValue => pValue.name)
+    .regularArcTextVerticalAlignment.map((pValue) => pValue.name)
     .join("|");
diff --git a/package.json b/package.json
index 0232b458..6ebc6d93 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
   ],
   "license": "GPL-3.0",
   "engines": {
-    "node": ">=8.0"
+    "node": "^10||^12||>=13"
   },
   "bugs": {
     "url": "https://github.com/mscgenjs/mscgenjs-cli/issues"
@@ -42,36 +42,44 @@
     "msgenny"
   ],
   "dependencies": {
-    "ajv": "6.10.2",
-    "commander": "4.0.1",
+    "ajv": "6.12.2",
+    "commander": "5.1.0",
     "get-stream": "5.1.0",
     "lodash": "4.17.15",
-    "mscgenjs": "4.0.4",
-    "mscgenjs-inpage": "2.0.13",
-    "puppeteer": "2.0.0",
-    "semver": "6.3.0"
+    "mscgenjs": "5.0.0",
+    "mscgenjs-inpage": "3.0.0",
+    "puppeteer": "2.1.1",
+    "semver": "7.3.2"
   },
   "devDependencies": {
-    "@types/chai": "4.2.7",
+    "@types/chai": "4.2.11",
     "@types/chai-as-promised": "7.1.2",
-    "@types/lodash": "4.14.149",
-    "@types/mocha": "5.2.7",
-    "@types/node": "13.1.2",
-    "@types/puppeteer": "2.0.0",
-    "@types/semver": "6.2.0",
+    "@types/lodash": "4.14.150",
+    "@types/mocha": "7.0.2",
+    "@types/node": "13.13.4",
+    "@types/puppeteer": "2.0.1",
+    "@types/semver": "7.1.0",
     "chai": "4.2.0",
     "chai-as-promised": "7.1.1",
-    "dependency-cruiser": "6.1.0",
-    "mocha": "6.2.2",
+    "dependency-cruiser": "9.0.0",
+    "mocha": "7.1.2",
     "npm-run-all": "4.1.5",
-    "nyc": "15.0.0",
-    "prettier": "1.19.1",
+    "nyc": "15.0.1",
+    "prettier": "2.0.5",
     "shx": "0.3.2",
-    "ts-node": "8.5.4",
-    "tslint": "5.20.1",
+    "ts-node": "8.9.1",
+    "tslint": "6.1.2",
     "tslint-config-prettier": "1.18.0",
-    "typescript": "3.7.4",
-    "upem": "3.1.2"
+    "typescript": "3.8.3",
+    "upem": "4.0.0"
+  },
+  "upem": {
+    "donotup": [
+      {
+        "package": "puppeteer",
+        "because": "puppeteer 3.0.1 doesn't install correctly on node 14: https://github.com/puppeteer/puppeteer/issues/5719"
+      }
+    ]
   },
   "scripts": {
     "build": "npm-run-all build:clean build:compile build:copy",
@@ -108,14 +116,6 @@
     "version": "run-s build depcruise:graph scm:stage",
     "watch": "tsc --project src/tsconfig.json --watch"
   },
-  "upem": {
-    "donotup": [
-      {
-        "package": "semver",
-        "because": "doesn't support node 8 anymore, while current mscgenjs still does"
-      }
-    ]
-  },
   "nyc": {
     "statements": 95,
     "branches": 90,
diff --git a/src/actions/index.ts b/src/actions/index.ts
index 05087311..a99dd155 100644
--- a/src/actions/index.ts
+++ b/src/actions/index.ts
@@ -13,7 +13,7 @@ function isGraphicsOutput(pOutputType: OutputType) {
 function getAST(pInput: string, pOptions: INormalizedOptions): string {
   return translateMsc(pInput, {
     inputType: pOptions.inputType,
-    outputType: "ast"
+    outputType: "ast",
   });
 }
 
@@ -29,8 +29,8 @@ export function removeAutoWidth(pAST: any, pOutputType: OutputType) {
 
 function render(pOptions: INormalizedOptions): Promise<any> {
   return getStream(getInStream(pOptions.inputFrom))
-    .then(pInput => getAST(pInput, pOptions))
-    .then(pAST =>
+    .then((pInput) => getAST(pInput, pOptions))
+    .then((pAST) =>
       renderWithChromeHeadless(
         removeAutoWidth(pAST, pOptions.outputType),
         pOptions
@@ -39,18 +39,18 @@ function render(pOptions: INormalizedOptions): Promise<any> {
 }
 
 function transpile(pOptions: INormalizedOptions): Promise<string> {
-  return getStream(getInStream(pOptions.inputFrom)).then(pInput =>
+  return getStream(getInStream(pOptions.inputFrom)).then((pInput) =>
     translateMsc(pInput, pOptions as ITranslateOptions)
   );
 }
 
 export function transform(pOptions: INormalizedOptions): Promise<boolean> {
   if (isGraphicsOutput(pOptions.outputType)) {
-    return render(pOptions).then(pResult =>
+    return render(pOptions).then((pResult) =>
       getOutStream(pOptions.outputTo).write(pResult)
     );
   } else {
-    return transpile(pOptions).then(pResult =>
+    return transpile(pOptions).then((pResult) =>
       getOutStream(pOptions.outputTo).write(pResult, "utf8")
     );
   }
diff --git a/src/actions/render.ts b/src/actions/render.ts
index 0505fec4..4877b9e9 100644
--- a/src/actions/render.ts
+++ b/src/actions/render.ts
@@ -18,7 +18,7 @@ function cookEvalFunction(pAST: string, pOptions: INormalizedOptions): string {
 function getPuppeteerLaunchOptions(pPuppeteerLaunchOptions: IPuppeteerOptions) {
   return Object.assign(
     {
-      headless: true
+      headless: true,
     },
     pPuppeteerLaunchOptions || {}
   );
@@ -49,12 +49,12 @@ async function renderBitmap(
     deviceScaleFactor: 2,
     height: 1,
     isMobile: false,
-    width: 1
+    width: 1,
   });
   return await page.screenshot({
     fullPage: true,
     omitBackground: false,
-    type: pOptions.outputType as any
+    type: pOptions.outputType as any,
   });
 }
 
@@ -72,13 +72,13 @@ export async function renderWithChromeHeadless(
     const page = await browser.newPage();
 
     await page.goto(`file:///${__dirname}/template.html`, {
-      waitUntil: "networkidle2"
+      waitUntil: "networkidle2",
     });
 
     await page.evaluate(cookEvalFunction(JSON.stringify(pAST), pOptions));
 
     await page.addScriptTag({
-      path: require.resolve("mscgenjs-inpage")
+      path: require.resolve("mscgenjs-inpage"),
     });
 
     await page.waitFor("mscgen#replaceme[data-renderedby='mscgen_js']");
diff --git a/src/cli/index.ts b/src/cli/index.ts
index fca54cfc..0bdeaed6 100644
--- a/src/cli/index.ts
+++ b/src/cli/index.ts
@@ -7,6 +7,7 @@ import formatError = require("../actions/formatError");
 import showLicense = require("../actions/showLicense");
 import * as normalizations from "./normalizations";
 import * as validations from "./validations";
+import { OutputType, NamedStyleType } from "../types";
 
 // tslint:disable-next-line:no-var-requires
 const $package = require("../../package.json");
@@ -36,7 +37,8 @@ try {
     .option(
       "-T --output-type <type>",
       validations.validOutputTypeRE,
-      validations.validOutputType
+      (pOutputType) =>
+        validations.validOutputType(pOutputType as OutputType) as string
     )
     .option(
       "-I --input-type <type>",
@@ -50,7 +52,8 @@ try {
     .option(
       "-n --named-style <style>",
       validations.validNamedStyleRE,
-      validations.validNamedStyle
+      (pNamedStyle) =>
+        validations.validNamedStyle(pNamedStyle as NamedStyleType) as string
     )
     .option(
       "-m --mirror-entities",
diff --git a/src/cli/normalizations.ts b/src/cli/normalizations.ts
index 8b6af0d1..c2ac78c5 100644
--- a/src/cli/normalizations.ts
+++ b/src/cli/normalizations.ts
@@ -12,7 +12,7 @@ const INPUT_EXTENSIONS = Object.freeze({
   mscin: "mscgen",
   msgenny: "msgenny",
   seq: "mscgen",
-  xu: "xu"
+  xu: "xu",
 });
 const OUTPUT_EXTENSIONS = Object.freeze({
   ast: "json",
@@ -28,7 +28,7 @@ const OUTPUT_EXTENSIONS = Object.freeze({
   png: "png",
   seq: "mscgen",
   svg: "svg",
-  xu: "xu"
+  xu: "xu",
 });
 
 /**
diff --git a/src/cli/validations.ts b/src/cli/validations.ts
index f996bfe9..10e1c088 100644
--- a/src/cli/validations.ts
+++ b/src/cli/validations.ts
@@ -6,14 +6,14 @@ import {
   INormalizedOptions,
   IPuppeteerOptions,
   NamedStyleType,
-  OutputType
+  OutputType,
 } from "../types";
 /* tslint:disable-next-line */
 const puppeteerOptionsSchema = require("./puppeteer-options.schema.json");
 
 const VALID_GRAPHICS_TYPES = Object.freeze(["svg", "png", "jpeg"]);
 const VALID_OUTPUT_TYPES = VALID_GRAPHICS_TYPES.concat(
-  mscgenjs.getAllowedValues().outputType.map(pValue => pValue.name)
+  mscgenjs.getAllowedValues().outputType.map((pValue) => pValue.name)
 );
 const ajv = new Ajv();
 
@@ -46,7 +46,7 @@ function isValidValue(pAttribute: string, pCandidateValue: string): boolean {
 }
 
 export function validOutputType(pType: OutputType): OutputType {
-  if (VALID_OUTPUT_TYPES.some(pName => pName === pType)) {
+  if (VALID_OUTPUT_TYPES.some((pName) => pName === pType)) {
     return pType;
   }
 
@@ -163,20 +163,20 @@ export const validOutputTypeRE = VALID_OUTPUT_TYPES.join("|");
 
 export const validInputTypeRE = mscgenjs
   .getAllowedValues()
-  .inputType.map(pValue => pValue.name)
+  .inputType.map((pValue) => pValue.name)
   .join("|");
 
 export const validNamedStyleRE = mscgenjs
   .getAllowedValues()
   .namedStyle.filter(
-    pValue => pValue.experimental === false && pValue.deprecated === false
+    (pValue) => pValue.experimental === false && pValue.deprecated === false
   )
-  .map(pValue => pValue.name)
+  .map((pValue) => pValue.name)
   .join("|");
 
 export const validVerticalAlignmentRE = mscgenjs
   .getAllowedValues()
-  .regularArcTextVerticalAlignment.map(pValue => pValue.name)
+  .regularArcTextVerticalAlignment.map((pValue) => pValue.name)
   .join("|");
 
 /*
diff --git a/test/actions/formatError.spec.ts b/test/actions/formatError.spec.ts
index e6ef7605..ab0fa3fd 100644
--- a/test/actions/formatError.spec.ts
+++ b/test/actions/formatError.spec.ts
@@ -12,8 +12,8 @@ describe("formatError()", () => {
     lErr.location = {
       start: {
         column: 69,
-        line: 481
-      }
+        line: 481,
+      },
     };
 
     expect(formatError(lErr)).to.equal(
diff --git a/test/actions/index.spec.ts b/test/actions/index.spec.ts
index 90fad198..3b385f66 100644
--- a/test/actions/index.spec.ts
+++ b/test/actions/index.spec.ts
@@ -18,7 +18,7 @@ describe("index()", () => {
         inputFrom: `${__dirname}/fixtures/rainbow.mscin`,
         inputType: "mscgen",
         outputTo: `${__dirname}/output/rainbow.json`,
-        outputType: "json"
+        outputType: "json",
       } as INormalizedOptions)
     ).to.eventually.equal(true);
   });
@@ -28,7 +28,7 @@ describe("index()", () => {
         inputFrom: `${__dirname}/fixtures/doesnotexist`,
         inputType: "json",
         outputTo: `${__dirname}/output/notanast.json`,
-        outputType: "json"
+        outputType: "json",
       } as INormalizedOptions)
     ).to.eventually.be.rejected;
   });
@@ -38,7 +38,7 @@ describe("index()", () => {
         inputFrom: `${__dirname}/fixtures/invalid-mscgen.mscin`,
         inputType: "mscgen",
         outputTo: `${__dirname}/output/notanast.json`,
-        outputType: "json"
+        outputType: "json",
       } as INormalizedOptions)
     ).to.eventually.be.rejected;
   });
@@ -49,44 +49,44 @@ describe("removeAutoWidth", () => {
     meta: {
       extendedArcTypes: false,
       extendedFeatures: true,
-      extendedOptions: true
+      extendedOptions: true,
     },
     options: {
-      width: "auto"
+      width: "auto",
     },
     entities: [
       {
-        name: "a"
-      }
-    ]
+        name: "a",
+      },
+    ],
   };
   const AST_WITH_WIDTH_NUMBER = {
     meta: {
       extendedOptions: true,
       extendedArcTypes: false,
-      extendedFeatures: true
+      extendedFeatures: true,
     },
     options: {
-      width: "481"
+      width: "481",
     },
     entities: [
       {
-        name: "a"
-      }
-    ]
+        name: "a",
+      },
+    ],
   };
   const AST_WITHOUT_WIDTH_EQUALS_AUTO = {
     meta: {
       extendedOptions: true,
       extendedArcTypes: false,
-      extendedFeatures: true
+      extendedFeatures: true,
     },
     options: {},
     entities: [
       {
-        name: "a"
-      }
-    ]
+        name: "a",
+      },
+    ],
   };
 
   it("removes the auto-width element if outputType === png", () => {
diff --git a/test/actions/render.spec.ts b/test/actions/render.spec.ts
index 0d01d955..774cd9b4 100644
--- a/test/actions/render.spec.ts
+++ b/test/actions/render.spec.ts
@@ -11,36 +11,36 @@ const lAST = require("./fixtures/simplest.json");
 should();
 
 describe("render()", () => {
-  it("should fail when passed a non-executable executablePath", pDone => {
+  it("should fail when passed a non-executable executablePath", (pDone) => {
     render
       .renderWithChromeHeadless(lAST, {
         outputType: "png",
         puppeteerOptions: {
-          executablePath: "non/existing/path/to/chromium"
-        }
+          executablePath: "non/existing/path/to/chromium",
+        },
       } as INormalizedOptions)
       .should.be.rejected.and.notify(pDone);
   });
 
-  it("coughs up something when passed an ast asked to output svg", pDone => {
+  it("coughs up something when passed an ast asked to output svg", (pDone) => {
     render
       .renderWithChromeHeadless(lAST, {
         outputType: "svg",
         puppeteerOptions: {
-          args: ["--no-sandbox"] // ci server's docker/ linux does not support sandboxing yet
-        }
+          args: ["--no-sandbox", "--disable-setuid-sandbox"], // ci server's docker/ linux does not support sandboxing yet
+        },
       } as INormalizedOptions)
       .should.eventually.contain('<!DOCTYPE svg [<!ENTITY nbsp "&#160;">]>')
       .and.notify(pDone);
   });
 
-  it("coughs something when passed an ast asked to output png", pDone => {
+  it("coughs something when passed an ast asked to output png", (pDone) => {
     render
       .renderWithChromeHeadless(lAST, {
         outputType: "png",
         puppeteerOptions: {
-          args: ["--no-sandbox"] // ci server's docker/ linux does not support sandboxing yet
-        }
+          args: ["--no-sandbox", "--disable-setuid-sandbox"], // ci server's docker/ linux does not support sandboxing yet
+        },
       } as INormalizedOptions)
       .should.be.fulfilled.and.notify(pDone);
   });
diff --git a/test/actions/utl.ts b/test/actions/utl.ts
index 511ff6ec..adc1c5d0 100644
--- a/test/actions/utl.ts
+++ b/test/actions/utl.ts
@@ -3,8 +3,8 @@ import * as path from "path";
 
 export function resetOutputDir() {
   fs.readdirSync(`${path.join(__dirname, "output")}`)
-    .filter(pFileName => pFileName.endsWith(".json"))
-    .forEach(pFileName => {
+    .filter((pFileName) => pFileName.endsWith(".json"))
+    .forEach((pFileName) => {
       try {
         fs.unlinkSync(path.join(__dirname, "output", pFileName));
       } catch (e) {
diff --git a/test/cli/normalizations.spec.ts b/test/cli/normalizations.spec.ts
index a541f8c0..202ab7c4 100644
--- a/test/cli/normalizations.spec.ts
+++ b/test/cli/normalizations.spec.ts
@@ -10,8 +10,8 @@ const TESTPAIRS = [
         inputFrom: "input.xu",
         inputType: "msgenny",
         outputTo: "output.svg",
-        outputType: "mscgen"
-      }
+        outputType: "mscgen",
+      },
     },
     expected: {
       options: {
@@ -19,17 +19,17 @@ const TESTPAIRS = [
         inputType: "msgenny",
         outputTo: "output.svg",
         outputType: "mscgen",
-        regularArcTextVerticalAlignment: "middle"
-      }
-    }
+        regularArcTextVerticalAlignment: "middle",
+      },
+    },
   },
   {
     title: "guesses the input type, takes a default for the output type",
     input: {
       options: {
         inputFrom: "input.xu",
-        outputTo: "output.svg"
-      }
+        outputTo: "output.svg",
+      },
     },
     expected: {
       options: {
@@ -37,17 +37,17 @@ const TESTPAIRS = [
         inputType: "xu",
         outputTo: "output.svg",
         outputType: "svg",
-        regularArcTextVerticalAlignment: "middle"
-      }
-    }
+        regularArcTextVerticalAlignment: "middle",
+      },
+    },
   },
   {
     title: "if parser-output is specified take sets outputType to 'json'",
     input: {
       options: {
         inputFrom: "w00tchart.mscin",
-        parserOutput: true
-      }
+        parserOutput: true,
+      },
     },
     expected: {
       options: {
@@ -56,17 +56,17 @@ const TESTPAIRS = [
         outputType: "json",
         outputTo: "w00tchart.json",
         parserOutput: true,
-        regularArcTextVerticalAlignment: "middle"
-      }
-    }
+        regularArcTextVerticalAlignment: "middle",
+      },
+    },
   },
   {
     title: "guesses the output type from a given filename",
     input: {
       options: {
         inputFrom: "w00tchart.seq",
-        outputTo: "a nice file.notanextension.png"
-      }
+        outputTo: "a nice file.notanextension.png",
+      },
     },
     expected: {
       options: {
@@ -74,17 +74,17 @@ const TESTPAIRS = [
         inputType: "mscgen",
         outputType: "png",
         outputTo: "a nice file.notanextension.png",
-        regularArcTextVerticalAlignment: "middle"
-      }
-    }
+        regularArcTextVerticalAlignment: "middle",
+      },
+    },
   },
   {
     title: "cannot guess the input type when it is stdin, so takes a default",
     input: {
       options: {
         inputFrom: "-",
-        outputTo: "output.svg"
-      }
+        outputTo: "output.svg",
+      },
     },
     expected: {
       options: {
@@ -92,16 +92,16 @@ const TESTPAIRS = [
         inputType: "mscgen",
         outputTo: "output.svg",
         outputType: "svg",
-        regularArcTextVerticalAlignment: "middle"
-      }
-    }
+        regularArcTextVerticalAlignment: "middle",
+      },
+    },
   },
   {
     title: "treats .ast as .json",
     input: {
       options: {
-        inputFrom: "achoo.ast"
-      }
+        inputFrom: "achoo.ast",
+      },
     },
     expected: {
       options: {
@@ -109,9 +109,9 @@ const TESTPAIRS = [
         inputType: "json",
         outputTo: "achoo.svg",
         outputType: "svg",
-        regularArcTextVerticalAlignment: "middle"
-      }
-    }
+        regularArcTextVerticalAlignment: "middle",
+      },
+    },
   },
   {
     title:
@@ -119,8 +119,8 @@ const TESTPAIRS = [
     input: {
       options: {
         inputFrom: "achoo.interestingextension",
-        inputType: "ast"
-      }
+        inputType: "ast",
+      },
     },
     expected: {
       options: {
@@ -128,16 +128,16 @@ const TESTPAIRS = [
         inputType: "json",
         outputTo: "achoo.svg",
         outputType: "svg",
-        regularArcTextVerticalAlignment: "middle"
-      }
-    }
+        regularArcTextVerticalAlignment: "middle",
+      },
+    },
   },
   {
     title: "can't guess outputTo when inputFrom is stdin",
     input: {
       options: {
-        inputFrom: "-"
-      }
+        inputFrom: "-",
+      },
     },
     expected: {
       options: {
@@ -145,14 +145,14 @@ const TESTPAIRS = [
         inputType: "mscgen",
         outputTo: undefined,
         outputType: "svg",
-        regularArcTextVerticalAlignment: "middle"
-      }
-    }
+        regularArcTextVerticalAlignment: "middle",
+      },
+    },
   },
   {
     title: "can't guess outputTo when inputFrom is not there",
     input: {
-      options: {}
+      options: {},
     },
     expected: {
       options: {
@@ -160,15 +160,15 @@ const TESTPAIRS = [
         inputType: "mscgen",
         outputTo: undefined,
         outputType: "svg",
-        regularArcTextVerticalAlignment: "middle"
-      }
-    }
+        regularArcTextVerticalAlignment: "middle",
+      },
+    },
   },
   {
     title: "migrates arguments to options.inputFrom",
     input: {
       argument: "inputFrom.bladiebla",
-      options: {}
+      options: {},
     },
     expected: {
       options: {
@@ -176,17 +176,17 @@ const TESTPAIRS = [
         inputType: "mscgen",
         outputTo: "inputFrom.svg",
         outputType: "svg",
-        regularArcTextVerticalAlignment: "middle"
-      }
-    }
+        regularArcTextVerticalAlignment: "middle",
+      },
+    },
   },
   {
     title: "arguments win from options.inputFrom",
     input: {
       argument: "argument.won",
       options: {
-        inputFrom: "inputFrom.xxx"
-      }
+        inputFrom: "inputFrom.xxx",
+      },
     },
     expected: {
       options: {
@@ -194,15 +194,15 @@ const TESTPAIRS = [
         inputType: "mscgen",
         outputTo: "argument.svg",
         outputType: "svg",
-        regularArcTextVerticalAlignment: "middle"
-      }
-    }
-  }
+        regularArcTextVerticalAlignment: "middle",
+      },
+    },
+  },
 ];
 
 describe("cli/normalizations", () => {
   describe("#normalize() - ", () => {
-    TESTPAIRS.forEach(pPair => {
+    TESTPAIRS.forEach((pPair) => {
       it(pPair.title, () => {
         const lNormalizedOptions = norm.normalize(
           pPair.input.argument as string,
diff --git a/test/cli/validations.spec.ts b/test/cli/validations.spec.ts
index 598d21a0..c94c510f 100644
--- a/test/cli/validations.spec.ts
+++ b/test/cli/validations.spec.ts
@@ -5,7 +5,7 @@ import * as val from "../../src/cli/validations";
 import {
   INormalizedOptions,
   NamedStyleType,
-  OutputType
+  OutputType,
 } from "../../src/types";
 
 describe("cli/validations", () => {
@@ -89,7 +89,7 @@ describe("cli/validations", () => {
         val.validateArguments({
           inputFrom: path.join(__dirname, "../actions/fixtures/rainbow.mscin"),
           outputTo: "kaboeki.svg",
-          outputType: "svg"
+          outputType: "svg",
         } as INormalizedOptions);
         assert.equal("still here", "still here");
       } catch (e) {
@@ -102,7 +102,7 @@ describe("cli/validations", () => {
         val.validateArguments({
           inputFrom: "-",
           outputTo: "-",
-          outputType: "mscgen"
+          outputType: "mscgen",
         } as INormalizedOptions);
         assert.equal("still here", "still here");
       } catch (e) {
@@ -115,7 +115,7 @@ describe("cli/validations", () => {
         val.validateArguments({
           inputFrom: "-",
           outputTo: "-",
-          outputType: "dot"
+          outputType: "dot",
         } as INormalizedOptions);
         assert.equal("still here", "still here");
       } catch (e) {
@@ -128,12 +128,12 @@ describe("cli/validations", () => {
         .validateArguments({
           inputFrom: "input-doesnot-exist",
           outputTo: "-",
-          outputType: "xu"
+          outputType: "xu",
         } as INormalizedOptions)
         .then(() => {
           assert.equal("still here", "should not be here!");
         })
-        .catch(e => {
+        .catch((e) => {
           assert.equal(
             e.message,
             "\n  error: Failed to open input file 'input-doesnot-exist'\n\n"
@@ -146,12 +146,12 @@ describe("cli/validations", () => {
         .validateArguments({
           inputFrom: "input-doesnot-exist",
           outputTo: "-",
-          outputType: "xu"
+          outputType: "xu",
         } as INormalizedOptions)
         .then(() => {
           assert.equal("still here", "should not be here!");
         })
-        .catch(e => {
+        .catch((e) => {
           assert.equal(
             e.message,
             "\n  error: Failed to open input file 'input-doesnot-exist'\n\n"
@@ -163,12 +163,12 @@ describe("cli/validations", () => {
       val
         .validateArguments({
           inputFrom: "-",
-          outputType: "svg"
+          outputType: "svg",
         } as INormalizedOptions)
         .then(() => {
           assert.equal("still here?", "should not be here!");
         })
-        .catch(e => {
+        .catch((e) => {
           assert.equal(
             e.message,
             "\n  error: Please specify an output file.\n\n"
@@ -179,12 +179,12 @@ describe("cli/validations", () => {
     it("'-i -' complains about non specified output file", () => {
       val
         .validateArguments({
-          inputFrom: "-"
+          inputFrom: "-",
         } as INormalizedOptions)
         .then(() => {
           assert.equal("still here?", "should not be here!");
         })
-        .catch(e => {
+        .catch((e) => {
           assert.equal(
             e.message,
             "\n  error: Please specify an output file.\n\n"
@@ -198,7 +198,7 @@ describe("cli/validations", () => {
         .then(() => {
           assert.equal("still here?", "should not be here!");
         })
-        .catch(e => {
+        .catch((e) => {
           assert.equal(
             e.message,
             "\n  error: Please specify an input file.\n\n"
@@ -261,7 +261,7 @@ describe("cli/validations", () => {
       );
       expect(val.validPuppeteerOptions(lFixture)).to.deep.equal({
         args: ["--no-sandbox", "--disable-setuid-sandbox"],
-        executablePath: "/usr/bin/google-chrome"
+        executablePath: "/usr/bin/google-chrome",
       });
     });
   });