breaking: bump terser

.eslintrc.js

@@ -1,10 +1,16 @@
 module.exports = {
   "extends": "eslint:recommended",
+  "plugins": ["jest"],
   "parserOptions": {
-    "ecmaVersion": 6
+    "ecmaVersion": 2018
   },
+  "ignorePatterns": [
+    "test/fixtures/input"
+  ],
   "env": {
-    "node": true
+    "node": true,
+    "es6": true,
+    "jest": true
   },
   "rules": {
   }

.travis.yml

@@ -1,5 +1,5 @@
 language: node_js
 node_js:
-  - "6"
+  - "10"
 cache: yarn
 sudo: false

lib/summarize.js

@@ -8,12 +8,11 @@ const pify = require('pify');
 
 function uglify(content) {
   return new Promise((resolve, reject) => {
-    let uglified = Terser.minify(content);
-    if (uglified.error) {
-      reject(uglified.error);
-    } else {
-      resolve(uglified.code);
-    }
+    Terser.minify(content).then((result)=>{
+      resolve(result.code);
+    }).catch(err=>{
+      reject(err);
+    });
   });
 }
 

package.json

@@ -7,7 +7,7 @@
   "description": "",
   "main": "lib/index.js",
   "scripts": {
-    "test": "mocha --recursive test/**/*-test.js"
+    "test": "eslint . && jest"
   },
   "repository": {
     "type": "git",
@@ -20,25 +20,23 @@
   },
   "homepage": "https://github.com/stefanpenner/broccoli-concat-analyser#readme",
   "dependencies": {
-    "filesize": "^3.3.0",
-    "fs-extra": "^4.0.2",
-    "ora": "^0.3.0",
-    "pify": "^4.0.0",
-    "terser": "^3.10.11",
-    "walk-sync": "^0.3.1",
-    "workerpool": "^2.3.1",
+    "filesize": "^6.1.0",
+    "fs-extra": "^9.0.1",
+    "ora": "^5.1.0",
+    "pify": "^5.0.0",
+    "terser": "^5.3.1",
+    "walk-sync": "^2.2.0",
+    "workerpool": "^6.0.0",
     "zlib": "^1.0.5"
   },
   "devDependencies": {
-    "chai": "^4.0.2",
-    "chai-as-promised": "^7.1.1",
-    "chai-files": "^1.4.0",
-    "html-validator": "^3.0.6",
-    "mocha": "^3.4.2",
-    "mocha-eslint": "^4.0.0",
-    "tmp": "^0.0.33"
+    "eslint": "^7.9.0",
+    "eslint-plugin-jest": "^24.0.1",
+    "html-validator": "^5.1.16",
+    "jest": "^26.4.2",
+    "tmp": "^0.2.1"
   },
   "engines": {
-    "node": "6.* || 8.* || >= 10.*"
+    "node": ">= 10.*"
   }
 }

test/acceptance/__snapshots__/cli.test.js.snap

@@ -0,0 +1,94 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`CLI generates expected output 1`] = `
+"{
+  \\"outputFile\\": \\"/assets/test-app.js\\",
+  \\"files\\": [
+    {
+      \\"relativePath\\": \\"test-app/app.js\\",
+      \\"sizes\\": {
+        \\"raw\\": 624,
+        \\"uglified\\": 377,
+        \\"compressed\\": 120.451057165231
+      }
+    },
+    {
+      \\"relativePath\\": \\"test-app/initializers/app-version.js\\",
+      \\"sizes\\": {
+        \\"raw\\": 524,
+        \\"uglified\\": 313,
+        \\"compressed\\": 100.00313234142521
+      }
+    },
+    {
+      \\"relativePath\\": \\"test-app/initializers/container-debug-adapter.js\\",
+      \\"sizes\\": {
+        \\"raw\\": 606,
+        \\"uglified\\": 430,
+        \\"compressed\\": 137.38449490994518
+      }
+    },
+    {
+      \\"relativePath\\": \\"test-app/initializers/export-application-global.js\\",
+      \\"sizes\\": {
+        \\"raw\\": 1426,
+        \\"uglified\\": 686,
+        \\"compressed\\": 219.17619420516837
+      }
+    },
+    {
+      \\"relativePath\\": \\"test-app/resolver.js\\",
+      \\"sizes\\": {
+        \\"raw\\": 238,
+        \\"uglified\\": 156,
+        \\"compressed\\": 49.841816758026624
+      }
+    },
+    {
+      \\"relativePath\\": \\"test-app/router.js\\",
+      \\"sizes\\": {
+        \\"raw\\": 442,
+        \\"uglified\\": 268,
+        \\"compressed\\": 85.62568519968676
+      }
+    },
+    {
+      \\"relativePath\\": \\"test-app/templates/application.js\\",
+      \\"sizes\\": {
+        \\"raw\\": 406,
+        \\"uglified\\": 324,
+        \\"compressed\\": 103.51761942051684
+      }
+    }
+  ]
+}"
+`;
+
+exports[`CLI generates expected output 2`] = `
+"{
+  \\"outputFile\\": \\"/assets/vendor.css\\",
+  \\"files\\": []
+}"
+`;
+
+exports[`CLI generates expected output 3`] = `
+"{
+  \\"outputFile\\": \\"/assets/test-support.css\\",
+  \\"files\\": [
+    {
+      \\"relativePath\\": \\"vendor/qunit/qunit.css\\",
+      \\"sizes\\": {
+        \\"raw\\": 8311,
+        \\"compressed\\": 2146.4629921259843
+      }
+    },
+    {
+      \\"relativePath\\": \\"vendor/ember-qunit/test-container-styles.css\\",
+      \\"sizes\\": {
+        \\"raw\\": 578,
+        \\"compressed\\": 149.2787401574803
+      }
+    }
+  ]
+}"
+`;

test/acceptance/cli-test.js → test/acceptance/cli.test.js

@@ -1,26 +1,23 @@
 'use strict';
 
-const chai = require('chai');
-const expect = chai.expect;
 const tmp = require('tmp');
-const chaiFiles = require('chai-files');
-const file = chaiFiles.file;
 const path = require('path');
 const cp = require('child_process');
 const fs = require('fs-extra');
 const validate = require('html-validator');
 const copyFixtures = require('../helpers/copy-fixtures');
 
 const inputFixturePath = 'test/fixtures/input';
-const outputFixturePath = 'test/fixtures/output';
 
 const inputFiles = ['1-test-app.js', '3-vendor.css', '8-test-support.css'];
 
 const originalCwd = process.cwd();
 let tmpPath;
 let outPath;
 
-chai.use(chaiFiles);
+function file(dir) {
+  return fs.readFileSync(dir, 'utf-8');
+}
 
 function run() {
   let stdout = '';
@@ -67,20 +64,20 @@ describe('CLI', function() {
         let exitCode = result.exitCode;
         let stdout = result.stdout;
 
-        expect(exitCode).to.equal(0);
-        expect(stdout).to.contain(`visit file://${outPath}/index.html`);
+        expect(exitCode).toEqual(0);
+        expect(stdout).toContain(`visit file://${outPath}/index.html`);
 
         // write .out.json files
         inputFiles.forEach((inputFile) => {
           let outputFile = `${inputFile}.out.json`;
-          expect(file(path.join(outPath, outputFile))).to.equal(file(path.join(outputFixturePath, outputFile)));
+          expect(file(path.join(outPath, outputFile))).toMatchSnapshot();
         });
 
         // copies static output files
-        expect(file(path.join(outPath, 'index.html'))).to.exist;
+        expect(file(path.join(outPath, 'index.html'))).toBeTruthy();
 
         let data = fs.readFileSync(`${outPath}/index.html`, 'UTF8');
-        expect(data).to.contain('var SUMMARY = {');
+        expect(data).toContain('var SUMMARY = {');
 
         return validate({
           data,