Implement outdated script

Author: bdukes

.eslintrc.js

@@ -85,7 +85,7 @@ module.exports = {
 		'max-statements': 'error',
 		'max-statements-per-line': 'error',
 		'multiline-comment-style': 'error',
-		'multiline-ternary': 'error',
+		'multiline-ternary': 'off',
 		'new-cap': 'error',
 		'new-parens': 'error',
 		'newline-after-var': 'off',
@@ -122,7 +122,7 @@ module.exports = {
 		'no-lone-blocks': 'error',
 		'no-lonely-if': 'error',
 		'no-loop-func': 'error',
-		'no-magic-numbers': 'error',
+		'no-magic-numbers': ['error', { ignore: [-1, -0, 1] }],
 		'no-mixed-operators': 'error',
 		'no-mixed-requires': 'error',
 		'no-multi-assign': 'error',

gulpfile.js

@@ -2,11 +2,12 @@
 
 const path = require('path');
 const gulp = require('gulp');
+const log = require('fancy-log');
 const glob = require('glob');
 const ejs = require('gulp-ejs');
 const zip = require('gulp-zip');
 const mergeStream = require('merge-stream');
-const { formatVersionFolder } = require('./utility');
+const { formatVersionFolder, compareStrings } = require('./utility');
 
 const { dependencies } = require('./package.json');
 
@@ -52,3 +53,96 @@ libraries.forEach(library =>
 const libraryTaskNames = libraries.map(l => l.path);
 
 gulp.task('default', libraryTaskNames);
+
+gulp.task('outdated', () => {
+	const packageJson = require('package-json');
+	const semver = require('semver');
+	const cliui = require('cliui');
+
+	const allUpgradesPromises = Object.keys(dependencies).map(name => {
+		const currentVersion = dependencies[name];
+
+		const packageUpgrades = packageJson(name, { allVersions: true }).then(
+			({ versions }) =>
+				Object.keys(versions)
+					.filter(version => semver.gt(version, currentVersion))
+					.sort(semver.compare)
+					.reduce(
+						(upgrades, version) =>
+							upgrades.set(
+								semver.diff(version, currentVersion),
+								version
+							),
+						new Map()
+					)
+		);
+
+		return packageUpgrades.then(upgrades => ({
+			name,
+			upgrades,
+		}));
+	});
+
+	Promise.all(allUpgradesPromises).then(allUpgrades => {
+		const validUpgrades = allUpgrades
+			.filter(({ upgrades }) => upgrades.size > 0)
+			.sort(({ name: a }, { name: b }) => compareStrings(a, b));
+
+		if (validUpgrades.length === 0) {
+			log.warn(`All ${allUpgrades.length} packages up-to-date`);
+
+			return;
+		}
+
+		const ui = cliui();
+		ui.div(
+			{
+				text: 'Name',
+				align: 'left',
+				border: true,
+			},
+			{
+				text: 'Patch',
+				align: 'right',
+				border: true,
+			},
+			{
+				text: 'Minor',
+				align: 'right',
+				border: true,
+			},
+			{
+				text: 'Major',
+				align: 'right',
+				border: true,
+			}
+		);
+		validUpgrades.forEach(({ name, upgrades }) =>
+			ui.div(
+				{
+					text: name,
+					align: 'left',
+					padding: [0, 0, 0, 1],
+				},
+				{
+					text: upgrades.get('patch') || '',
+					align: 'right',
+					padding: [0, 1, 0, 0],
+				},
+				{
+					text: upgrades.get('minor') || '',
+					align: 'right',
+					padding: [0, 1, 0, 0],
+				},
+				{
+					text: upgrades.get('major') || '',
+					align: 'right',
+					padding: [0, 1, 0, 0],
+				}
+			)
+		);
+
+		log.info(`
+${ui.toString()}`);
+	});
+});

package.json

@@ -7,6 +7,7 @@
   ],
   "scripts": {
     "package": "gulp",
+    "outdated": "gulp outdated",
     "new": "yo ./_new"
   },
   "dependencies": {
@@ -76,13 +77,16 @@
   },
   "devDependencies": {
     "chalk": "^2.4.1",
+    "cliui": "4.1.0",
+    "fancy-log": "1.3.2",
     "glob": "^7.1.2",
     "globby": "^8.0.1",
     "gulp": "^3.9.1",
     "gulp-ejs": "^3.1.3",
     "gulp-zip": "^4.1.0",
     "merge-stream": "^1.0.1",
     "package-json": "^4.0.1",
+    "semver": "5.5.0",
     "yeoman-generator": "^2.0.5",
     "yo": "^2.0.2"
   }

utility.js

@@ -9,4 +9,18 @@ module.exports = {
 			.map(n => n.padStart(versionFolderPadding, '0'))
 			.join('_');
 	},
+
+	compareStrings(a, b) {
+		const upperA = a ? a.toUpperCase() : a;
+		const upperB = b ? b.toUpperCase() : b;
+		if (upperA < upperB) {
+			return -1;
+		}
+
+		if (upperA > upperB) {
+			return 1;
+		}
+
+		return 0;
+	},
 };

yarn.lock

@@ -575,6 +575,14 @@ clipboard@1.7.1:
     select "^1.1.2"
     tiny-emitter "^2.0.0"
 
+cliui@4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/cliui/-/cliui-4.1.0.tgz#348422dbe82d800b3022eef4f6ac10bf2e4d1b49"
+  dependencies:
+    string-width "^2.1.1"
+    strip-ansi "^4.0.0"
+    wrap-ansi "^2.0.0"
+
 clone-buffer@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/clone-buffer/-/clone-buffer-1.0.0.tgz#e3e25b207ac4e701af721e2cb5a16792cac3dc58"
@@ -1220,7 +1228,7 @@ extsprintf@1.3.0, extsprintf@^1.2.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/extsprintf/-/extsprintf-1.3.0.tgz#96918440e3041a7a414f8c52e3c574eb3c3e1e05"
 
-fancy-log@^1.1.0:
+fancy-log@1.3.2, fancy-log@^1.1.0:
   version "1.3.2"
   resolved "https://registry.yarnpkg.com/fancy-log/-/fancy-log-1.3.2.tgz#f41125e3d84f2e7d89a43d06d958c8f78be16be1"
   dependencies:
@@ -3957,7 +3965,7 @@ semver-truncate@^1.0.0:
   dependencies:
     semver "^5.3.0"
 
-"semver@2 || 3 || 4 || 5", semver@^5.0.1, semver@^5.0.3, semver@^5.1.0, semver@^5.3.0, semver@^5.5.0:
+"semver@2 || 3 || 4 || 5", semver@5.5.0, semver@^5.0.1, semver@^5.0.3, semver@^5.1.0, semver@^5.3.0, semver@^5.5.0:
   version "5.5.0"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.5.0.tgz#dc4bbc7a6ca9d916dee5d43516f0092b58f7b8ab"