fix(viewall): fix viewall generation

courtesy @julrich

Author: bmuenzenmeyer

packages/core/src/lib/ui_builder.js

@@ -558,20 +558,26 @@ const ui_builder = function() {
     const allPatternTypePromises = _.map(
       styleguidePatterns.patternGroups,
       (patternGroup, patternType) => {
-        let p;
         let typePatterns = [];
         let styleguideTypePatterns = [];
         const styleGuideExcludes =
           patternlab.config.styleGuideExcludes ||
           patternlab.config.styleguideExcludes;
-
         const subTypePromises = _.map(
           _.values(patternGroup),
-          (patternSubtypes, patternSubtype) => {
-            const patternPartial = patternType + '-' + patternSubtype;
+          (patternSubtypes, patternSubtype, originalPatternGroup) => {
+            let p;
+            const samplePattern = _.find(patternSubtypes, st => {
+              return !st.patternPartial.startsWith('viewall-');
+            });
+            const patternName = Object.keys(
+              _.values(originalPatternGroup)[patternSubtype]
+            )[1];
+            const patternPartial =
+              patternType + '-' + samplePattern.patternSubType;
 
             //do not create a viewall page for flat patterns
-            if (patternType === patternSubtype) {
+            if (patternType === patternName) {
               writeViewAllFile = false;
               logger.debug(
                 `skipping ${patternType} as flat patterns do not have view all pages`
@@ -595,11 +601,11 @@ const ui_builder = function() {
                   styleGuideExcludes &&
                   styleGuideExcludes.length &&
                   _.some(styleGuideExcludes, function(exclude) {
-                    return exclude === patternType + '/' + patternSubtype;
+                    return exclude === patternType + '/' + patternName;
                   });
                 if (omitPatternType) {
                   logger.debug(
-                    `Omitting ${patternType}/${patternSubtype} from  building a viewall page because its patternSubGroup is specified in styleguideExcludes.`
+                    `Omitting ${patternType}/${patternName} from  building a viewall page because its patternSubGroup is specified in styleguideExcludes.`
                   );
                 } else {
                   styleguideTypePatterns = styleguideTypePatterns.concat(