Skip vendor type declaration linting

Our vendor directory includes code copied from:

1. https://polyfill.io web service
2. https://www.npmjs.com/package/polyfill-library
3. https://developer.mozilla.org

Feature detection doesn’t necessarily follow completed browser API specifications so we’ll ignore it all as “known working”

lib/file-helper.js

@@ -145,6 +145,8 @@ const getFullPageExamples = async () => {
   // Add metadata (front matter) to each example
   const examples = await Promise.all(directories.map(async (exampleName) => {
     const templatePath = join(configPaths.fullPageExamples, exampleName, 'index.njk')
+
+    // @ts-expect-error "This expression is not callable" due to incorrect types
     const { attributes } = fm(await readFile(templatePath, 'utf8'))
 
     return {

src/govuk/vendor/polyfills/DOMTokenList.mjs

@@ -1,4 +1,5 @@
-(function(undefined) {
+// @ts-nocheck
+(function (undefined) {
 
     // Detection from https://raw.githubusercontent.com/Financial-Times/polyfill-service/master/packages/polyfill-library/polyfills/DOMTokenList/detect.js
     var detect = (

src/govuk/vendor/polyfills/Date/now.mjs

@@ -1,4 +1,5 @@
-(function(undefined) {
+// @ts-nocheck
+(function (undefined) {
 
     // Detection from https://github.com/Financial-Times/polyfill-library/blob/v3.111.0/polyfills/Date/now/detect.js
     var detect = ('Date' in self && 'now' in self.Date && 'getTime' in self.Date.prototype)

src/govuk/vendor/polyfills/Document.mjs

@@ -1,4 +1,5 @@
-(function(undefined) {
+// @ts-nocheck
+(function (undefined) {
 
 // Detection from https://github.com/Financial-Times/polyfill-service/blob/master/packages/polyfill-library/polyfills/Document/detect.js
 var detect = ("Document" in this)

src/govuk/vendor/polyfills/Element.mjs

@@ -1,3 +1,4 @@
+// @ts-nocheck
 import './Document.mjs'
 
 (function(undefined) {

src/govuk/vendor/polyfills/Element/prototype/classList.mjs

@@ -1,3 +1,4 @@
+// @ts-nocheck
 import '../../Object/defineProperty.mjs'
 import '../../DOMTokenList.mjs'
 import '../../Element.mjs'

src/govuk/vendor/polyfills/Element/prototype/closest.mjs

@@ -1,3 +1,4 @@
+// @ts-nocheck
 import './matches.mjs'
 
 (function(undefined) {

src/govuk/vendor/polyfills/Element/prototype/dataset.mjs

@@ -1,3 +1,4 @@
+// @ts-nocheck
 import '../../Object/defineProperty.mjs'
 import '../../Element.mjs'
 
@@ -21,22 +22,22 @@ import '../../Element.mjs'
       var element = this;
       var attributes = this.attributes;
       var map = {};
-  
+
       for (var i = 0; i < attributes.length; i++) {
         var attribute = attributes[i];
-  
+
         // This regex has been edited from the original polyfill, to add
         // support for period (.) separators in data-* attribute names. These
         // are allowed in the HTML spec, but were not covered by the original
         // polyfill's regex. We use periods in our i18n implementation.
         if (attribute && attribute.name && (/^data-\w[.\w-]*$/).test(attribute.name)) {
           var name = attribute.name;
           var value = attribute.value;
-  
+
           var propName = name.substr(5).replace(/-./g, function (prop) {
             return prop.charAt(1).toUpperCase();
           });
-          
+
           // If this browser supports __defineGetter__ and __defineSetter__,
           // continue using defineProperty. If not (like IE 8 and below), we use
           // a hacky fallback which at least gives an object in the right format
@@ -60,7 +61,7 @@ import '../../Element.mjs'
 
         }
       }
-  
+
       return map;
     }
   });

src/govuk/vendor/polyfills/Element/prototype/matches.mjs

@@ -1,4 +1,5 @@
-(function(undefined) {
+// @ts-nocheck
+(function (undefined) {
 
   // Detection from https://raw.githubusercontent.com/Financial-Times/polyfill-service/1f3c09b402f65bf6e393f933a15ba63f1b86ef1f/packages/polyfill-library/polyfills/Element/prototype/matches/detect.js
   var detect = (

src/govuk/vendor/polyfills/Element/prototype/nextElementSibling.mjs

@@ -1,3 +1,4 @@
+// @ts-nocheck
 import '../../Object/defineProperty.mjs'
 import '../../Element.mjs'
 

src/govuk/vendor/polyfills/Element/prototype/previousElementSibling.mjs

@@ -1,3 +1,4 @@
+// @ts-nocheck
 import '../../Object/defineProperty.mjs'
 import '../../Element.mjs'
 

src/govuk/vendor/polyfills/Event.mjs

@@ -1,3 +1,4 @@
+// @ts-nocheck
 import './Window.mjs'
 import './Element.mjs'
 import './Object/defineProperty.mjs'

src/govuk/vendor/polyfills/Function/prototype/bind.mjs

@@ -1,3 +1,4 @@
+// @ts-nocheck
 import '../../Object/defineProperty.mjs'
 
 (function(undefined) {

src/govuk/vendor/polyfills/Object/defineProperty.mjs

@@ -1,4 +1,5 @@
-(function(undefined) {
+// @ts-nocheck
+(function (undefined) {
 
 // Detection from https://github.com/Financial-Times/polyfill-service/blob/master/packages/polyfill-library/polyfills/Object/defineProperty/detect.js
 var detect = (

src/govuk/vendor/polyfills/String/prototype/trim.mjs

@@ -1,8 +1,9 @@
-(function(undefined) {
+// @ts-nocheck
+(function (undefined) {
 
     // Detection from https://github.com/mdn/content/blob/cf607d68522cd35ee7670782d3ee3a361eaef2e4/files/en-us/web/javascript/reference/global_objects/string/trim/index.md#polyfill
     var detect = ('trim' in String.prototype)
-    
+
     if (detect) return
 
     // Polyfill from https://github.com/mdn/content/blob/cf607d68522cd35ee7670782d3ee3a361eaef2e4/files/en-us/web/javascript/reference/global_objects/string/trim/index.md#polyfill

src/govuk/vendor/polyfills/Window.mjs

@@ -1,4 +1,5 @@
-(function(undefined) {
+// @ts-nocheck
+(function (undefined) {
 
 // Detection from https://github.com/Financial-Times/polyfill-service/blob/master/packages/polyfill-library/polyfills/Window/detect.js
 var detect = ('Window' in this)