- Updated jest-cli to avoid errors with Node >= 11.11.0 (see jestjs/jest#8050)

- Updated eslint rules
- Removed `gulp-jest`

Author: ascartabelli

.eslintrc.json

@@ -220,7 +220,11 @@
         ],
         "operator-linebreak": [
             "error",
-            "after"
+            "before", {
+                "overrides": {
+                    "=": "after"
+                }
+            }
         ],
         "padded-blocks": [
             "error",

.eslintrc.test.json

@@ -1,11 +1,15 @@
 {
     "env": {
+        "es6": true,
         "jest" : true,
         "node": true
     },
     "extends": [
         ".eslintrc.json"
     ],
+    "parserOptions": {
+        "ecmaVersion": 9
+    },
     "rules": {
         "brace-style": [
             "error",

dist/lamb.js

@@ -1,7 +1,7 @@
 /**
 * @overview lamb - A lightweight, and docile, JavaScript library to help embracing functional programming.
 * @author Andrea Scartabelli <andrea.scartabelli@gmail.com>
-* @version 0.58.0-alpha.1
+* @version 0.58.0-alpha.2
 * @module lamb
 * @license MIT
 * @preserve
@@ -6374,9 +6374,9 @@
      * @returns {Object}
      */
     function updateIn (source, key, updater) {
-        return _isEnumerable(source, key) ?
-            _setIn(source, key, updater(source[key])) :
-            _merge(enumerables, source, {});
+        return _isEnumerable(source, key)
+            ? _setIn(source, key, updater(source[key]))
+            : _merge(enumerables, source, {});
     }
 
     /**

dist/lamb.min.js

@@ -1,17 +1,17 @@
 /* eslint-disable require-jsdoc */
 
-var gulp = require("gulp");
-var eslint = require("gulp-eslint");
-var jest = require("gulp-jest").default;
-var rename = require("gulp-rename");
-var rollup = require("rollup");
-var sourcemaps = require("gulp-sourcemaps");
-var uglify = require("gulp-uglify");
-
-var jestBaseConfig = require("./jest.config");
-var pkg = require("./package.json");
-
-var intro = [
+const gulp = require("gulp");
+const eslint = require("gulp-eslint");
+const jest = require("jest-cli");
+const rename = require("gulp-rename");
+const rollup = require("rollup");
+const sourcemaps = require("gulp-sourcemaps");
+const uglify = require("gulp-uglify");
+
+const jestBaseConfig = require("./jest.config");
+const pkg = require("./package.json");
+
+const intro = [
     "/**",
     "* @overview " + pkg.name + " - " + pkg.description,
     "* @author " + pkg.author.name + " <" + pkg.author.email + ">",
@@ -32,66 +32,64 @@ gulp.task("set-test-env", cb => {
 
 /* build */
 
-gulp.task("build", function () {
-    return rollup.rollup({ input: "src/index.js" }).then(function (bundle) {
-        return bundle.write({
-            banner: intro,
-            exports: "named",
-            file: "dist/lamb.js",
-            format: "umd",
-            freeze: false,
-            name: "lamb",
-            sourcemap: false,
-            strict: true
-        });
-    });
-});
-
-gulp.task("minify", gulp.series(
-    "build",
-    function () {
-        return gulp.src("dist/lamb.js")
-            .pipe(sourcemaps.init())
-            .pipe(uglify({ output: { comments: "some" } }))
-            .pipe(rename({ extname: ".min.js" }))
-            .pipe(sourcemaps.write("."))
-            .pipe(gulp.dest("dist"));
-    }
+gulp.task("build", () => rollup
+    .rollup({ input: "src/index.js" })
+    .then(bundle => bundle.write({
+        banner: intro,
+        exports: "named",
+        file: "dist/lamb.js",
+        format: "umd",
+        freeze: false,
+        name: "lamb",
+        sourcemap: false,
+        strict: true
+    }))
+);
+
+gulp.task("minify", gulp.series("build", () => gulp.src("dist/lamb.js")
+    .pipe(sourcemaps.init())
+    .pipe(uglify({ output: { comments: "some" } }))
+    .pipe(rename({ extname: ".min.js" }))
+    .pipe(sourcemaps.write("."))
+    .pipe(gulp.dest("dist"))
 ));
 
 /* lint */
 
-function lintWith (settings) {
-    return function () {
-        return gulp.src(settings.inputs)
-            .pipe(eslint(settings.configPath))
-            .pipe(eslint.format())
-            .pipe(eslint.failAfterError());
-    };
-}
+const lintWith = settings => () => gulp.src(settings.inputs)
+    .pipe(eslint(settings.configPath))
+    .pipe(eslint.format())
+    .pipe(eslint.failAfterError());
 
 gulp.task("lint:code", lintWith({
     configPath: ".eslintrc.json",
-    inputs: ["./*.js", "./src/**/*.js", "!./src/**/__{tests,mocks}__/**"]
+    inputs: ["./src/**/*.js", "!./src/**/__{tests,mocks}__/**"]
 }));
 
 gulp.task("lint:tests", lintWith({
     configPath: ".eslintrc.test.json",
-    inputs: "./src/**/__{tests,mocks}__/**/*.js"
+    inputs: ["./*.js", "./src/**/__{tests,mocks}__/**/*.js"]
 }));
 
 gulp.task("lint", gulp.series("lint:code", "lint:tests"));
 
 /* test */
 
-function testWith (extraSettings) {
-    return gulp.series(
-        "set-test-env",
-        function () {
-            return gulp.src("./src").pipe(jest(Object.assign({}, jestBaseConfig, extraSettings)));
+const testWith = extraSettings => gulp.series(
+    "set-test-env",
+    () => jest.runCLI(
+        Object.assign({}, jestBaseConfig, extraSettings),
+        [jestBaseConfig.rootDir]
+    ).then(({ results }) => { // eslint-disable-line consistent-return
+        if (!results.success) {
+            const message = results.numFailedTests || results.numFailedTestSuites
+                ? "Tests failed"
+                : "Coverage threshold not met";
+
+            return Promise.reject(new Error(message));
         }
-    );
-}
+    })
+);
 
 gulp.task("test", testWith({}));