Issue #158 - support :require :default

lib/standard-clojure-style.js

@@ -746,6 +746,10 @@
     return node && isString(node.text) && node.text === ':refer'
   }
 
+  function isDefaultKeyword (node) {
+    return node && isString(node.text) && node.text === ':default'
+  }
+
   function isReferMacrosKeyword (node) {
     return node && isString(node.text) && node.text === ':refer-macros'
   }
@@ -1586,6 +1590,7 @@
     let requireRenameIdx = -1
     let skipNodesUntilWeReachThisId = -1
     let sectionToAttachEolCommentsTo = null
+    let nextTokenIsRequireDefaultSymbol = false
 
     while (continueParsingNsForm) {
       const node = nodesArr[idx]
@@ -1677,6 +1682,7 @@
         if (referIdx > 0 && parenNestingDepth < referParenNestingDepth) {
           referIdx = -1
           referParenNestingDepth = -1
+          nextTokenIsRequireDefaultSymbol = false
         }
         if (insideRequireForm && requireSymbolIdx > 0) {
           requireSymbolIdx = -1
@@ -2084,6 +2090,10 @@
         referIdx = idx
         referParenNestingDepth = parenNestingDepth
 
+      // is this :require :default ?
+      } else if (idx > requireNodeIdx && insideRequireForm && isTokenNode2 && isDefaultKeyword(node)) {
+        nextTokenIsRequireDefaultSymbol = true
+
       // collect :require :exclude symbols
       } else if (idx > requireNodeIdx && insideRequireForm && isTokenNode2 && collectRequireExcludeSymbols && parenNestingDepth > requireExcludeSymbolParenDepth) {
         const symbolObj = {
@@ -2106,6 +2116,11 @@
       } else if (idx > referIdx && insideRequireForm && isTokenNode2 && isAllNode(node)) {
         result.requires[activeRequireIdx].refer = 'all'
 
+      // collect :refer :default symbol
+      } else if (idx > referIdx && insideRequireForm && isTokenNode2 && nextTokenIsRequireDefaultSymbol) {
+        result.requires[activeRequireIdx].default = node.text
+        nextTokenIsRequireDefaultSymbol = false
+
       // collect :require :refer symbols
       } else if (idx > referIdx && insideRequireForm && parenNestingDepth === inc(referParenNestingDepth) && isTokenNode2 && isTextNode) {
         if (!isArray(result.requires[activeRequireIdx].refer)) {
@@ -2521,10 +2536,10 @@
 
     if (isString(req.as) && req.as !== '') {
       outTxt = strConcat3(outTxt, ' :as ', req.as)
-    }
-
-    if (isString(req.asAlias) && req.asAlias !== '') {
+    } else if (isString(req.asAlias) && req.asAlias !== '') {
       outTxt = strConcat3(outTxt, ' :as-alias ', req.asAlias)
+    } else if (isString(req.default) && req.default !== '') {
+      outTxt = strConcat3(outTxt, ' :default ', req.default)
     }
 
     // NOTE: this will not work if the individual :refer symbols are wrapped in a reader conditional

test_format/ns.eno

@@ -1853,3 +1853,23 @@
      (:import
       (js ArrayBuffer Float64Array Uint32Array Uint8Array))))
 --Expected
+
+# GitHub Issue #158 - ClojureScript require default
+
+> https://github.com/oakmac/standard-clojure-style-js/issues/158
+
+--Input
+(ns com.example.my-app
+  (:require
+       ["react-select" :default Select]
+       ["react-dropzone" :default Dropzone]
+       ["react-select/creatable" :default CreatableSelect]))
+--Input
+
+--Expected
+(ns com.example.my-app
+  (:require
+   ["react-dropzone" :default Dropzone]
+   ["react-select" :default Select]
+   ["react-select/creatable" :default CreatableSelect]))
+--Expected

test_parse_ns/parse_ns.eno

@@ -2881,3 +2881,38 @@
   ]
 }
 --Expected
+
+# GitHub Issue #158 - ClojureScript require default
+
+> https://github.com/oakmac/standard-clojure-style-js/issues/158
+
+--Input
+(ns com.example.my-app
+  (:require
+       ["react-dropzone" :default Dropzone]
+       ["react-select" :default Select]
+       ["react-select/creatable" :default CreatableSelect]))
+--Input
+
+--Expected
+{
+  "nsSymbol": "com.example.my-app",
+  "requires": [
+    {
+      "symbol": "\"react-dropzone\"",
+      "symbolIsString": true,
+      "default": "Dropzone"
+    },
+    {
+      "symbol": "\"react-select\"",
+      "symbolIsString": true,
+      "default": "Select"
+    },
+    {
+      "symbol": "\"react-select/creatable\"",
+      "symbolIsString": true,
+      "default": "CreatableSelect"
+    }
+  ]
+}
+--Expected