Specialize linting in test/integration and docs/ directories (#5165)

* Lint test/integration directory for node v4 support

Closes #5164

* Lint docs/ directory for ES5-only

docs/.eslintrc

@@ -0,0 +1,13 @@
+{
+    "parser": "espree",
+    "parserOptions": {
+        "ecmaVersion": 5
+    },
+    "env": {
+        "es6": false,
+        "browser": true
+    },
+    "globals": {
+        "Uint8Array": true
+    }
+}

docs/_posts/examples/3400-01-31-add-image-generated.html

@@ -16,15 +16,15 @@
     style: 'mapbox://styles/mapbox/streets-v9'
 });
 
-map.on('load', () => {
+map.on('load', function () {
 
-    const width = 64; // The image will be 64 pixels square
-    const bytesPerPixel = 4; // Each pixel is represented by 4 bytes: red, green, blue, and alpha.
-    const image = new Uint8Array(width * width * bytesPerPixel);
+    var width = 64; // The image will be 64 pixels square
+    var bytesPerPixel = 4; // Each pixel is represented by 4 bytes: red, green, blue, and alpha.
+    var image = new Uint8Array(width * width * bytesPerPixel);
 
     for (var x = 0; x < width; x++) {
         for (var y = 0; y < width; y++) {
-            const offset = (y * width + x) * bytesPerPixel;
+            var offset = (y * width + x) * bytesPerPixel;
             image[offset + 0] = y / width * 255; // red
             image[offset + 1] = x / width * 255; // green
             image[offset + 2] = 128;             // blue

package.json

@@ -60,6 +60,7 @@
     "eslint-config-mourner": "^2.0.0",
     "eslint-plugin-flowtype": "^2.34.0",
     "eslint-plugin-html": "^3.0.0",
+    "eslint-plugin-node": "^5.1.1",
     "flow-bin": "^0.52.0",
     "flow-coverage-report": "^0.3.0",
     "flow-remove-types": "^1.0.4",

test/integration/.eslintrc

@@ -0,0 +1,10 @@
+{
+  "plugins": [
+    "node"
+  ],
+  "rules": {
+    "node/no-unsupported-features": ["error", {
+        "version": 4
+    }]
+  }
+}

test/integration/lib/harness.js

@@ -179,18 +179,18 @@ module.exports = function (directory, implementation, options, run) {
         const itemTemplate = template(fs.readFileSync(path.join(directory, 'result_item.html.tmpl'), 'utf8'));
 
         const failed = results.filter(r => /failed/.test(r.status));
-        const [pre, post] = resultsTemplate({ failed })
+        const resultsShell = resultsTemplate({ failed })
             .split('<!-- results go here -->');
 
         const p = path.join(directory, 'index.html');
         const out = fs.createWriteStream(p);
 
         const q = queue(1);
-        q.defer(write, out, pre);
+        q.defer(write, out, resultsShell[0]);
         for (const r of results) {
             q.defer(write, out, itemTemplate({ r, hasFailedTests: failed.length > 0 }));
         }
-        q.defer(write, out, post);
+        q.defer(write, out, resultsShell[1]);
         q.await(() => {
             out.end();
             out.on('close', () => {

yarn.lock

@@ -2352,6 +2352,15 @@ eslint-plugin-html@^3.0.0:
   dependencies:
     htmlparser2 "^3.8.2"
 
+eslint-plugin-node@^5.1.1:
+  version "5.1.1"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-node/-/eslint-plugin-node-5.1.1.tgz#a7ed956e780c22aef6afd1116005acd82f26eac6"
+  dependencies:
+    ignore "^3.3.3"
+    minimatch "^3.0.4"
+    resolve "^1.3.3"
+    semver "5.3.0"
+
 eslint-scope@^3.7.1:
   version "3.7.1"
   resolved "https://registry.yarnpkg.com/eslint-scope/-/eslint-scope-3.7.1.tgz#3d63c3edfda02e06e01a452ad88caacc7cdcb6e8"
@@ -5619,6 +5628,12 @@ resolve@^1.1.3, resolve@^1.1.4, resolve@^1.1.5, resolve@^1.1.6:
   dependencies:
     path-parse "^1.0.5"
 
+resolve@^1.3.3:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.4.0.tgz#a75be01c53da25d934a98ebd0e4c4a7312f92a86"
+  dependencies:
+    path-parse "^1.0.5"
+
 restore-cursor@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/restore-cursor/-/restore-cursor-2.0.0.tgz#9f7ee287f82fd326d4fd162923d62129eee0dfaf"
@@ -5685,7 +5700,7 @@ select@^1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/select/-/select-1.1.2.tgz#0e7350acdec80b1108528786ec1d4418d11b396d"
 
-"semver@2 || 3 || 4 || 5", "semver@2.x || 3.x || 4 || 5", semver@^5.3.0, semver@~5.3.0:
+"semver@2 || 3 || 4 || 5", "semver@2.x || 3.x || 4 || 5", semver@5.3.0, semver@^5.3.0, semver@~5.3.0:
   version "5.3.0"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.3.0.tgz#9b2ce5d3de02d17c6012ad326aa6b4d0cf54f94f"