chore: update dev dependencies and workflow

Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>

.eslintrc.json

@@ -0,0 +1,23 @@
+{
+  "env": {
+    "node": true,
+    "es2021": true,
+    "jest/globals": true
+  },
+  "extends": [
+    "eslint:recommended",
+    "plugin:@typescript-eslint/recommended",
+    "plugin:jest/recommended",
+    "plugin:prettier/recommended"
+  ],
+  "parser": "@typescript-eslint/parser",
+  "parserOptions": {
+    "ecmaVersion": "latest",
+    "sourceType": "module"
+  },
+  "plugins": [
+    "@typescript-eslint",
+    "jest",
+    "prettier"
+  ]
+}

__tests__/buildx.test.ts

@@ -1,8 +1,8 @@
+import {describe, expect, it, jest, test} from '@jest/globals';
 import * as fs from 'fs';
 import * as path from 'path';
 import * as semver from 'semver';
 import * as exec from '@actions/exec';
-
 import * as buildx from '../src/buildx';
 import * as context from '../src/context';
 
@@ -53,69 +53,25 @@ describe('getDigest', () => {
 });
 
 describe('isLocalOrTarExporter', () => {
-  // prettier-ignore
   test.each([
-    [
-      [
-        'type=registry,ref=user/app',
-      ],
-      false
-    ],
-    [
-      [
-        'type=docker',
-      ],
-      false
-    ],
-    [
-      [
-        'type=local,dest=./release-out'
-      ],
-      true
-    ],
-    [
-      [
-        'type=tar,dest=/tmp/image.tar'
-      ],
-      true
-    ],
-    [
-      [
-        'type=docker',
-        'type=tar,dest=/tmp/image.tar'
-      ],
-      true
-    ],
-    [
-      [
-        '"type=tar","dest=/tmp/image.tar"'
-      ],
-      true
-    ],
-    [
-      [
-        '" type= local" , dest=./release-out'
-      ],
-      true
-    ],
-    [
-      [
-        '.'
-      ],
-      true
-    ],
-  ])(
-    'given %p returns %p',
-    async (outputs: Array<string>, expected: boolean) => {
-      expect(buildx.isLocalOrTarExporter(outputs)).toEqual(expected);
-    }
-  );
+    [['type=registry,ref=user/app'], false],
+    [['type=docker'], false],
+    [['type=local,dest=./release-out'], true],
+    [['type=tar,dest=/tmp/image.tar'], true],
+    [['type=docker', 'type=tar,dest=/tmp/image.tar'], true],
+    [['"type=tar","dest=/tmp/image.tar"'], true],
+    [['" type= local" , dest=./release-out'], true],
+    [['.'], true]
+  ])('given %p returns %p', async (outputs: Array<string>, expected: boolean) => {
+    expect(buildx.isLocalOrTarExporter(outputs)).toEqual(expected);
+  });
 });
 
 describe('isAvailable', () => {
-  const execSpy: jest.SpyInstance = jest.spyOn(exec, 'getExecOutput');
+  const execSpy = jest.spyOn(exec, 'getExecOutput');
   buildx.isAvailable();
 
+  // eslint-disable-next-line jest/no-standalone-expect
   expect(execSpy).toHaveBeenCalledWith(`docker`, ['buildx'], {
     silent: true,
     ignoreReturnCode: true
@@ -123,24 +79,10 @@ describe('isAvailable', () => {
 });
 
 describe('getVersion', () => {
-  async function isDaemonRunning() {
-    return await exec
-      .getExecOutput(`docker`, ['version', '--format', '{{.Server.Os}}'], {
-        ignoreReturnCode: true,
-        silent: true
-      })
-      .then(res => {
-        return !res.stdout.includes(' ') && res.exitCode == 0;
-      });
-  }
-  (isDaemonRunning() ? it : it.skip)(
-    'valid',
-    async () => {
-      const version = await buildx.getVersion();
-      expect(semver.valid(version)).not.toBeNull();
-    },
-    100000
-  );
+  it('valid', async () => {
+    const version = await buildx.getVersion();
+    expect(semver.valid(version)).not.toBeNull();
+  });
 });
 
 describe('parseVersion', () => {
@@ -187,6 +129,7 @@ describe('getSecret', () => {
       const secretValue = await fs.readFileSync(tmpNameSync, 'utf-8');
       expect(secretValue).toEqual(exValue);
     } catch (err) {
+      // eslint-disable-next-line jest/no-conditional-expect
       expect(true).toBe(invalid);
     }
   });

__tests__/context.test.ts

@@ -1,3 +1,4 @@
+import {beforeEach, describe, expect, it, jest, test} from '@jest/globals';
 import * as fs from 'fs';
 import * as os from 'os';
 import * as path from 'path';
@@ -517,8 +518,8 @@ nproc=3`],
     ],
   ])(
     '[%d] given %p with %p as inputs, returns %p',
-    async (num: number, buildxVersion: string, inputs: Map<string, any>, expected: Array<string>) => {
-      await inputs.forEach((value: string, name: string) => {
+    async (num: number, buildxVersion: string, inputs: Map<string, string>, expected: Array<string>) => {
+      inputs.forEach((value: string, name: string) => {
         setInput(name, value);
       });
       const defContext = context.defaultContext();
@@ -666,7 +667,7 @@ FOO=bar`
     expect(res).toEqual([
       'GIT_AUTH_TOKEN=abcdefgh,ijklmno=0123456789',
       `MYSECRET=aaaaaaaa
-bbbb\"bbb
+bbbb"bbb
 ccccccccc`,
       'FOO=bar'
     ]);
@@ -688,19 +689,22 @@ describe('asyncForEach', () => {
 
 describe('setOutput', () => {
   beforeEach(() => {
-    process.stdout.write = jest.fn();
+    process.stdout.write = jest.fn() as typeof process.stdout.write;
   });
 
+  // eslint-disable-next-line jest/expect-expect
   it('setOutput produces the correct command', () => {
     context.setOutput('some output', 'some value');
     assertWriteCalls([`::set-output name=some output::some value${os.EOL}`]);
   });
 
+  // eslint-disable-next-line jest/expect-expect
   it('setOutput handles bools', () => {
     context.setOutput('some output', false);
     assertWriteCalls([`::set-output name=some output::false${os.EOL}`]);
   });
 
+  // eslint-disable-next-line jest/expect-expect
   it('setOutput handles numbers', () => {
     context.setOutput('some output', 1.01);
     assertWriteCalls([`::set-output name=some output::1.01${os.EOL}`]);

dev.Dockerfile

@@ -1,6 +1,6 @@
-# syntax=docker/dockerfile:1.3-labs
+# syntax=docker/dockerfile:1.4
 
-ARG NODE_VERSION
+ARG NODE_VERSION=12
 ARG DOCKER_VERSION=20.10.10
 ARG BUILDX_VERSION=0.7.0
 
@@ -57,10 +57,10 @@ RUN --mount=type=bind,target=.,rw \
 FROM scratch AS format-update
 COPY --from=format /out /
 
-FROM deps AS format-validate
+FROM deps AS lint
 RUN --mount=type=bind,target=.,rw \
   --mount=type=cache,target=/src/node_modules \
-  yarn run format-check
+  yarn run lint
 
 FROM docker:${DOCKER_VERSION} as docker
 FROM docker/buildx-bin:${BUILDX_VERSION} as buildx

dist/index.js.map

@@ -0,0 +1 @@
+{"version":3,"sources":["../webpack:/docker-build-push/node_modules/@actions/core/lib/command.js","../webpack:/docker-build-push/node_modules/@actions/core/lib/core.js","../webpack:/docker-build-push/node_modules/@actions/core/lib/file-command.js","../webpack:/docker-build-push/node_modules/@actions/core/lib/oidc-utils.js","../webpack:/docker-build-push/node_modules/@actions/core/lib/utils.js","../webpack:/docker-build-push/node_modules/@actions/exec/lib/exec.js","../webpack:/docker-build-push/node_modules/@actions/exec/lib/toolrunner.js","../webpack:/docker-build-push/node_modules/@actions/github/lib/context.js","../webpack:/docker-build-push/node_modules/@actions/github/lib/github.js","../webpack:/docker-build-push/node_modules/@actions/github/lib/internal/utils.js","../webpack:/docker-build-push/node_modules/@actions/github/lib/utils.js","../webpack:/docker-build-push/node_modules/@actions/http-client/auth.js","../webpack:/docker-build-push/node_modules/@actions/http-client/index.js","../webpack:/docker-build-push/node_modules/@actions/http-client/proxy.js","../webpack:/docker-build-push/node_modules/@actions/io/lib/io-util.js","../webpack:/docker-build-push/node_modules/@actions/io/lib/io.js","../webpack:/docker-build-push/node_modules/@octokit/auth-token/dist-node/index.js","../webpack:/docker-build-push/node_modules/@octokit/core/dist-node/index.js","../webpack:/docker-build-push/node_modules/@octokit/endpoint/dist-node/index.js","../webpack:/docker-build-push/node_modules/@octokit/graphql/dist-node/index.js","../webpack:/docker-build-push/node_modules/@octokit/graphql/node_modules/@octokit/request/dist-node/index.js","../webpack:/docker-build-push/node_modules/@octokit/plugin-paginate-rest/dist-node/index.js","../webpack:/docker-build-push/node_modules/@octokit/plugin-rest-endpoint-methods/dist-node/index.js","../webpack:/docker-build-push/node_modules/@octokit/request-error/dist-node/index.js","../webpack:/docker-build-push/node_modules/@octokit/request/dist-node/index.js","../webpack:/docker-build-push/node_modules/@octokit/request/node_modules/is-plain-object/dist/is-plain-object.js","../webpack:/docker-build-push/node_modules/balanced-match/index.js","../webpack:/docker-build-push/node_modules/before-after-hook/index.js","../webpack:/docker-build-push/node_modules/before-after-hook/lib/add.js","../webpack:/docker-build-push/node_modules/before-after-hook/lib/register.js","../webpack:/docker-build-push/node_modules/before-after-hook/lib/remove.js","../webpack:/docker-build-push/node_modules/brace-expansion/index.js","../webpack:/docker-build-push/node_modules/concat-map/index.js","../webpack:/docker-build-push/node_modules/csv-parse/lib/ResizeableBuffer.js","../webpack:/docker-build-push/node_modules/csv-parse/lib/index.js","../webpack:/docker-build-push/node_modules/csv-parse/lib/sync.js","../webpack:/docker-build-push/node_modules/deprecation/dist-node/index.js","../webpack:/docker-build-push/node_modules/fs.realpath/index.js","../webpack:/docker-build-push/node_modules/fs.realpath/old.js","../webpack:/docker-build-push/node_modules/glob/common.js","../webpack:/docker-build-push/node_modules/glob/glob.js","../webpack:/docker-build-push/node_modules/glob/sync.js","../webpack:/docker-build-push/node_modules/handlebars/dist/cjs/handlebars.js","../webpack:/docker-build-push/node_modules/handlebars/dist/cjs/handlebars.runtime.js","../webpack:/docker-build-push/node_modules/handlebars/dist/cjs/handlebars/base.js","../webpack:/docker-build-push/node_modules/handlebars/dist/cjs/handlebars/compiler/ast.js","../webpack:/docker-build-push/node_modules/handlebars/dist/cjs/handlebars/compiler/base.js","../webpack:/docker-build-push/node_modules/handlebars/dist/cjs/handlebars/compiler/code-gen.js","../webpack:/docker-build-push/node_modules/handlebars/dist/cjs/handlebars/compiler/compiler.js","../webpack:/docker-build-push/node_modules/handlebars/dist/cjs/handlebars/compiler/helpers.js","../webpack:/docker-build-push/node_modules/handlebars/dist/cjs/handlebars/compiler/javascript-compiler.js","../webpack:/docker-build-push/node_modules/handlebars/dist/cjs/handlebars/compiler/parser.js","../webpack:/docker-build-push/node_modules/handlebars/dist/cjs/handlebars/compiler/printer.js","../webpack:/docker-build-push/node_modules/handlebars/dist/cjs/handlebars/compiler/visitor.js","../webpack:/docker-build-push/node_modules/handlebars/dist/cjs/handlebars/compiler/whitespace-control.js","../webpack:/docker-build-push/node_modules/handlebars/dist/cjs/handlebars/decorators.js","../webpack:/docker-build-push/node_modules/handlebars/dist/cjs/handlebars/decorators/inline.js","../webpack:/docker-build-push/node_modules/handlebars/dist/cjs/handlebars/exception.js","../webpack:/docker-build-push/node_modules/handlebars/dist/cjs/handlebars/helpers.js","../webpack:/docker-build-push/node_modules/handlebars/dist/cjs/handlebars/helpers/block-helper-missing.js","../webpack:/docker-build-push/node_modules/handlebars/dist/cjs/handLine truncated

dist/sourcemap-register.js

@@ -0,0 +1 @@
+(()=>{var e={650:e=>{var r=Object.prototype.toString;var n=typeof Buffer.alloc==="function"&&typeof Buffer.allocUnsafe==="function"&&typeof Buffer.from==="function";function isArrayBuffer(e){return r.call(e).slice(8,-1)==="ArrayBuffer"}function fromArrayBuffer(e,r,t){r>>>=0;var o=e.byteLength-r;if(o<0){throw new RangeError("'offset' is out of bounds")}if(t===undefined){t=o}else{t>>>=0;if(t>o){throw new RangeError("'length' is out of bounds")}}return n?Buffer.from(e.slice(r,r+t)):new Buffer(new Uint8Array(e.slice(r,r+t)))}function fromString(e,r){if(typeof r!=="string"||r===""){r="utf8"}if(!Buffer.isEncoding(r)){throw new TypeError('"encoding" must be a valid string encoding')}return n?Buffer.from(e,r):new Buffer(e,r)}function bufferFrom(e,r,t){if(typeof e==="number"){throw new TypeError('"value" argument must not be a number')}if(isArrayBuffer(e)){return fromArrayBuffer(e,r,t)}if(typeof e==="string"){return fromString(e,r)}return n?Buffer.from(e):new Buffer(e)}e.exports=bufferFrom},284:(e,r,n)=>{e=n.nmd(e);var t=n(596).SourceMapConsumer;var o=n(17);var i;try{i=n(147);if(!i.existsSync||!i.readFileSync){i=null}}catch(e){}var a=n(650);function dynamicRequire(e,r){return e.require(r)}var u=false;var s=false;var l=false;var c="auto";var p={};var f={};var g=/^data:application\/json[^,]+base64,/;var h=[];var d=[];function isInBrowser(){if(c==="browser")return true;if(c==="node")return false;return typeof window!=="undefined"&&typeof XMLHttpRequest==="function"&&!(window.require&&window.module&&window.process&&window.process.type==="renderer")}function hasGlobalProcessEventEmitter(){return typeof process==="object"&&process!==null&&typeof process.on==="function"}function globalProcessVersion(){if(typeof process==="object"&&process!==null){return process.version}else{return""}}function globalProcessStderr(){if(typeof process==="object"&&process!==null){return process.stderr}}function globalProcessExit(e){if(typeof process==="object"&&process!==null&&typeof process.exit==="function"){return process.exit(e)}}function handlerExec(e){return function(r){for(var n=0;n<e.length;n++){var t=e[n](r);if(t){return t}}return null}}var m=handlerExec(h);h.push((function(e){e=e.trim();if(/^file:/.test(e)){e=e.replace(/file:\/\/\/(\w:)?/,(function(e,r){return r?"":"/"}))}if(e in p){return p[e]}var r="";try{if(!i){var n=new XMLHttpRequest;n.open("GET",e,false);n.send(null);if(n.readyState===4&&n.status===200){r=n.responseText}}else if(i.existsSync(e)){r=i.readFileSync(e,"utf8")}}catch(e){}return p[e]=r}));function supportRelativeURL(e,r){if(!e)return r;var n=o.dirname(e);var t=/^\w+:\/\/[^\/]*/.exec(n);var i=t?t[0]:"";var a=n.slice(i.length);if(i&&/^\/\w\:/.test(a)){i+="/";return i+o.resolve(n.slice(i.length),r).replace(/\\/g,"/")}return i+o.resolve(n.slice(i.length),r)}function retrieveSourceMapURL(e){var r;if(isInBrowser()){try{var n=new XMLHttpRequest;n.open("GET",e,false);n.send(null);r=n.readyState===4?n.responseText:null;var t=n.getResponseHeader("SourceMap")||n.getResponseHeader("X-SourceMap");if(t){return t}}catch(e){}}r=m(e);var o=/(?:\/\/[@#][\s]*sourceMappingURL=([^\s'"]+)[\s]*$)|(?:\/\*[@#][\s]*sourceMappingURL=([^\s*'"]+)[\s]*(?:\*\/)[\s]*$)/gm;var i,a;while(a=o.exec(r))i=a;if(!i)return null;return i[1]}var v=handlerExec(d);d.push((function(e){var r=retrieveSourceMapURL(e);if(!r)return null;var n;if(g.test(r)){var t=r.slice(r.indexOf(",")+1);n=a(t,"base64").toString();r=e}else{r=supportRelativeURL(e,r);n=m(r)}if(!n){return null}return{url:r,map:n}}));function mapSourcePosition(e){var r=f[e.source];if(!r){var n=v(e.source);if(n){r=f[e.source]={url:n.url,map:new t(n.map)};if(r.map.sourcesContent){r.map.sources.forEach((function(e,n){var t=r.map.sourcesContent[n];if(t){var o=supportRelativeURL(r.url,e);p[o]=t}}))}}else{r=f[e.source]={url:null,map:null}}}if(r&&r.map&&typeof r.map.originalPositionFor==="function"){var o=r.map.originalPositionFor(e);if(o.source!==null){o.source=supportRelativeURL(r.url,o.source);return o}}return e}function mapEvalOrigin(e){var r=/^eval at ([^(]+) \((.+):(\d+):(\d+)\)$/.exec(e);if(r){var n=mapSourcePosition({source:r[2],line:+r[3],column:r[4]-1});return"eval at "+r[1]+" ("+n.source+":"+n.line+":"+(n.column+1)+")"}r=/^eval at ([^(]+) \((.+)\)$/.exec(e);if(r){return"eval at "+r[1]+" ("+mapEvalOrigin(r[2])+")"}return e}function CallSiteToString(){var e;var r="";if(this.isNative()){r="native"}else{e=this.getScriptNameOrSourceURL();if(!e&&this.isEval()){r=this.getEvalOrigin();r+=", "}if(e){r+=e}else{r+="<anonymous>"}var n=this.getLineNumber();if(n!=null){r+=":"+n;var t=this.getColumnNumber();if(t){r+=":"+t}}}var o="";var i=this.getFunctionName();var a=true;var u=this.isConstructor();var s=!(this.isToplevel()||u);if(s){var l=this.getTypeName();if(l==="[object Object]"){l="null"}var c=this.getMethodName();if(i){if(l&&i.indexOf(l)!=0){o+=l+"."}o+=i;if(c&&i.indexOf("."+c)!=i.length-c.length-1){o+=" [as "+c+"]"}}else{o+=l+"."+(c||"<anonymous>")}}else if(u){o+="new "+(i||"<anonymous>")}else if(i){o+=i}elLine truncated

docker-bake.hcl

@@ -1,13 +1,3 @@
-variable "NODE_VERSION" {
-  default = "12"
-}
-
-target "node-version" {
-  args = {
-    NODE_VERSION = NODE_VERSION
-  }
-}
-
 group "default" {
   targets = ["build"]
 }
@@ -17,54 +7,47 @@ group "pre-checkin" {
 }
 
 group "validate" {
-  targets = ["format-validate", "build-validate", "vendor-validate"]
+  targets = ["lint", "build-validate", "vendor-validate"]
 }
 
 target "build" {
-  inherits = ["node-version"]
-  dockerfile = "./hack/build.Dockerfile"
+  dockerfile = "dev.Dockerfile"
   target = "build-update"
   output = ["."]
 }
 
 target "build-validate" {
-  inherits = ["node-version"]
-  dockerfile = "./hack/build.Dockerfile"
+  dockerfile = "dev.Dockerfile"
   target = "build-validate"
   output = ["type=cacheonly"]
 }
 
 target "format" {
-  inherits = ["node-version"]
-  dockerfile = "./hack/build.Dockerfile"
+  dockerfile = "dev.Dockerfile"
   target = "format-update"
   output = ["."]
 }
 
-target "format-validate" {
-  inherits = ["node-version"]
-  dockerfile = "./hack/build.Dockerfile"
-  target = "format-validate"
+target "lint" {
+  dockerfile = "dev.Dockerfile"
+  target = "lint"
   output = ["type=cacheonly"]
 }
 
 target "vendor-update" {
-  inherits = ["node-version"]
-  dockerfile = "./hack/build.Dockerfile"
+  dockerfile = "dev.Dockerfile"
   target = "vendor-update"
   output = ["."]
 }
 
 target "vendor-validate" {
-  inherits = ["node-version"]
-  dockerfile = "./hack/build.Dockerfile"
+  dockerfile = "dev.Dockerfile"
   target = "vendor-validate"
   output = ["type=cacheonly"]
 }
 
 target "test" {
-  inherits = ["node-version"]
-  dockerfile = "./hack/build.Dockerfile"
+  dockerfile = "dev.Dockerfile"
   target = "test-coverage"
   output = ["./coverage"]
 }

jest.config.ts

@@ -2,11 +2,9 @@ module.exports = {
   clearMocks: false,
   moduleFileExtensions: ['js', 'ts'],
   setupFiles: ["dotenv/config"],
-  testEnvironment: 'node',
   testMatch: ['**/*.test.ts'],
-  testRunner: 'jest-circus/runner',
   transform: {
     '^.+\\.ts$': 'ts-jest'
   },
-  verbose: false
+  verbose: true
 }

package.json

@@ -3,11 +3,11 @@
   "description": "Build and push Docker images",
   "main": "lib/main.js",
   "scripts": {
-    "build": "tsc && ncc build",
-    "format": "prettier --write **/*.ts",
-    "format-check": "prettier --check **/*.ts",
+    "build": "ncc build src/main.ts --source-map --minify --license licenses.txt",
+    "lint": "eslint src/**/*.ts __tests__/**/*.ts",
+    "format": "eslint --fix src/**/*.ts __tests__/**/*.ts",
     "test": "jest --coverage",
-    "pre-checkin": "yarn run format && yarn run build"
+    "all": "yarn run build && yarn run format && yarn test"
   },
   "repository": {
     "type": "git",
@@ -38,17 +38,21 @@
   },
   "devDependencies": {
     "@types/csv-parse": "^1.2.2",
-    "@types/jest": "^26.0.23",
-    "@types/node": "^14.17.4",
-    "@types/tmp": "^0.2.0",
-    "@vercel/ncc": "^0.28.6",
-    "dotenv": "^8.6.0",
-    "jest": "^26.6.3",
-    "jest-circus": "^26.6.3",
-    "jest-runtime": "^26.6.3",
+    "@types/node": "^16.11.26",
+    "@types/semver": "^7.3.9",
+    "@types/tmp": "^0.2.3",
+    "@typescript-eslint/eslint-plugin": "^5.14.0",
+    "@typescript-eslint/parser": "^5.14.0",
+    "@vercel/ncc": "^0.33.3",
+    "dotenv": "^16.0.0",
+    "eslint": "^8.11.0",
+    "eslint-config-prettier": "^8.5.0",
+    "eslint-plugin-jest": "^26.1.1",
+    "eslint-plugin-prettier": "^4.0.0",
+    "jest": "^27.2.5",
     "prettier": "^2.3.1",
-    "ts-jest": "^26.5.6",
-    "typescript": "^4.3.4",
-    "typescript-formatter": "^7.2.2"
+    "ts-jest": "^27.1.2",
+    "ts-node": "^10.7.0",
+    "typescript": "^4.4.4"
   }
 }

src/buildx.ts

@@ -76,8 +76,8 @@ export async function getSecret(kvp: string, file: boolean): Promise<string> {
   return `id=${key},src=${secretFile}`;
 }
 
-export function isLocalOrTarExporter(outputs: string[]): Boolean {
-  for (let output of csvparse(outputs.join(`\n`), {
+export function isLocalOrTarExporter(outputs: string[]): boolean {
+  for (const output of csvparse(outputs.join(`\n`), {
     delimiter: ',',
     trim: true,
     columns: false,
@@ -88,7 +88,7 @@ export function isLocalOrTarExporter(outputs: string[]): Boolean {
     if (output.length == 1 && !output[0].startsWith('type=')) {
       return true;
     }
-    for (let [key, value] of output.map(chunk => chunk.split('=').map(item => item.trim()))) {
+    for (const [key, value] of output.map(chunk => chunk.split('=').map(item => item.trim()))) {
       if (key == 'type' && (value == 'local' || value == 'tar')) {
         return true;
       }
@@ -97,8 +97,8 @@ export function isLocalOrTarExporter(outputs: string[]): Boolean {
   return false;
 }
 
-export function hasGitAuthToken(secrets: string[]): Boolean {
-  for (let secret of secrets) {
+export function hasGitAuthToken(secrets: string[]): boolean {
+  for (const secret of secrets) {
     if (secret.startsWith('GIT_AUTH_TOKEN=')) {
       return true;
     }
@@ -106,7 +106,7 @@ export function hasGitAuthToken(secrets: string[]): Boolean {
   return false;
 }
 
-export async function isAvailable(): Promise<Boolean> {
+export async function isAvailable(): Promise<boolean> {
   return await exec
     .getExecOutput('docker', ['buildx'], {
       ignoreReturnCode: true,

src/context.ts

@@ -99,15 +99,17 @@ export async function getInputs(defaultContext: string): Promise<Inputs> {
 }
 
 export async function getArgs(inputs: Inputs, defaultContext: string, buildxVersion: string): Promise<Array<string>> {
-  let args: Array<string> = ['buildx'];
-  args.push.apply(args, await getBuildArgs(inputs, defaultContext, buildxVersion));
-  args.push.apply(args, await getCommonArgs(inputs, buildxVersion));
-  args.push(handlebars.compile(inputs.context)({defaultContext}));
-  return args;
+  // prettier-ignore
+  return [
+    'buildx',
+    ...await getBuildArgs(inputs, defaultContext, buildxVersion),
+    ...await getCommonArgs(inputs, buildxVersion),
+    handlebars.compile(inputs.context)({defaultContext})
+  ];
 }
 
 async function getBuildArgs(inputs: Inputs, defaultContext: string, buildxVersion: string): Promise<Array<string>> {
-  let args: Array<string> = ['build'];
+  const args: Array<string> = ['build'];
   await asyncForEach(inputs.addHosts, async addHost => {
     args.push('--add-host', addHost);
   });
@@ -182,7 +184,7 @@ async function getBuildArgs(inputs: Inputs, defaultContext: string, buildxVersio
 }
 
 async function getCommonArgs(inputs: Inputs, buildxVersion: string): Promise<Array<string>> {
-  let args: Array<string> = [];
+  const args: Array<string> = [];
   if (inputs.builder) {
     args.push('--builder', inputs.builder);
   }
@@ -208,14 +210,14 @@ async function getCommonArgs(inputs: Inputs, buildxVersion: string): Promise<Arr
 }
 
 export async function getInputList(name: string, ignoreComma?: boolean): Promise<string[]> {
-  let res: Array<string> = [];
+  const res: Array<string> = [];
 
   const items = core.getInput(name);
   if (items == '') {
     return res;
   }
 
-  for (let output of (await csvparse(items, {
+  for (const output of (await csvparse(items, {
     columns: false,
     relax: true,
     relaxColumnCount: true,
@@ -241,6 +243,6 @@ export const asyncForEach = async (array, callback) => {
 };
 
 // FIXME: Temp fix https://github.com/actions/toolkit/issues/777
-export function setOutput(name: string, value: any): void {
+export function setOutput(name: string, value: unknown): void {
   issueCommand('set-output', {name}, value);
 }

src/main.ts

@@ -20,7 +20,7 @@ async function run(): Promise<void> {
 
     const buildxVersion = await buildx.getVersion();
     const defContext = context.defaultContext();
-    let inputs: context.Inputs = await context.getInputs(defContext);
+    const inputs: context.Inputs = await context.getInputs(defContext);
 
     const args: string[] = await context.getArgs(inputs, defContext, buildxVersion);
     await exec
@@ -29,7 +29,7 @@ async function run(): Promise<void> {
       })
       .then(res => {
         if (res.stderr.length > 0 && res.exitCode != 0) {
-          throw new Error(`buildx failed with: ${res.stderr.match(/(.*)\s*$/)![0].trim()}`);
+          throw new Error(`buildx failed with: ${res.stderr.match(/(.*)\s*$/)?.[0]?.trim() ?? 'unknown error'}`);
         }
       });
 

tsconfig.json

@@ -2,20 +2,18 @@
   "compilerOptions": {
     "target": "es6",
     "module": "commonjs",
-    "lib": [
-      "es6",
-      "dom"
-    ],
     "newLine": "lf",
     "outDir": "./lib",
     "rootDir": "./src",
+    "esModuleInterop": true,
+    "forceConsistentCasingInFileNames": true,
     "strict": true,
     "noImplicitAny": false,
-    "esModuleInterop": true,
-    "sourceMap": true
+    "useUnknownInCatchVariables": false,
   },
   "exclude": [
     "node_modules",
-    "**/*.test.ts"
+    "**/*.test.ts",
+    "jest.config.ts"
   ]
 }