Merge pull request #759 from pattern-lab/dev

Pattern Lab Node 3.0.0 Alpha 6

Author: bmuenzenmeyer

core/index.js

@@ -0,0 +1,46 @@
+"use strict";
+
+const _ = require('lodash');
+
+const logger = require('./log');
+
+module.exports = function (pattern, patternlab) {
+  //add the link to the global object
+  if (!patternlab.data.link) {
+    patternlab.data.link = {};
+  }
+  patternlab.data.link[pattern.patternPartial] = '/patterns/' + pattern.patternLink;
+
+  //only push to array if the array doesn't contain this pattern
+  var isNew = true;
+  for (var i = 0; i < patternlab.patterns.length; i++) {
+    //so we need the identifier to be unique, which patterns[i].relPath is
+    if (pattern.relPath === patternlab.patterns[i].relPath) {
+      //if relPath already exists, overwrite that element
+      patternlab.patterns[i] = pattern;
+      patternlab.partials[pattern.patternPartial] = pattern.extendedTemplate || pattern.template;
+      isNew = false;
+      break;
+    }
+  }
+
+  // if the pattern is new, we must register it with various data structures!
+  if (isNew) {
+
+    logger.debug(`found new pattern ${pattern.patternPartial}`);
+
+    // do global registration
+    if (pattern.isPattern) {
+      patternlab.partials[pattern.patternPartial] = pattern.extendedTemplate || pattern.template;
+
+      // do plugin-specific registration
+      pattern.registerPartial();
+    } else {
+      patternlab.partials[pattern.patternPartial] = pattern.patternDesc;
+    }
+
+    //patterns sorted by name so the patterntype and patternsubtype is adhered to for menu building
+    patternlab.patterns.splice(_.sortedIndexBy(patternlab.patterns, pattern, 'name'), 0, pattern);
+    patternlab.graph.add(pattern);
+  }
+};

core/lib/addPattern.js

@@ -89,7 +89,7 @@ const asset_copier = () => {
 
         //watch for changes and copy
         assetWatcher.on('addDir', (p) => {
-          const destination = path.resolve(basePath, dir.public + '/' + path.basename(p));
+          const destination = path.resolve(basePath, dir.public);
           copyFile(p, destination, copyOptions);
         }).on('add', (p) => {
           const destination = path.resolve(basePath, dir.public + '/' + path.basename(p));

core/lib/asset_copy.js

@@ -0,0 +1,39 @@
+"use strict";
+
+const jsonCopy = require('./json_copy');
+const logger = require('./log');
+const of = require('./object_factory');
+const Pattern = of.Pattern;
+
+let render = require('./render'); //eslint-disable-line prefer-const
+
+/**
+ * Builds footer HTML from the general footer and user-defined footer
+ * @param patternlab - global data store
+ * @param patternPartial - the partial key to build this for, either viewall-patternPartial or a viewall-patternType-all
+ * @returns A promise which resolves with the HTML
+ */
+module.exports = function (patternlab, patternPartial) {
+  //first render the general footer
+  return render(Pattern.createEmpty({extendedTemplate: patternlab.footer}), {
+    patternData: JSON.stringify({
+      patternPartial: patternPartial,
+    }),
+    cacheBuster: patternlab.cacheBuster
+  }).then(footerPartial => {
+
+    let allFooterData;
+    try {
+      allFooterData = jsonCopy(patternlab.data, 'config.paths.source.data plus patterns data');
+    } catch (err) {
+      logger.warning('There was an error parsing JSON for patternlab.data');
+      logger.warning(err);
+    }
+    allFooterData.patternLabFoot = footerPartial;
+
+    return render(patternlab.userFoot, allFooterData);
+  }).catch(reason => {
+    console.log(reason);
+    logger.error('Error building buildFooterHTML');
+  });
+};

core/lib/buildFooter.js

@@ -0,0 +1,27 @@
+"use strict";
+
+const _ = require('lodash');
+
+module.exports = function (container) {
+  //combine all list items into one structure
+  var list = [];
+  for (var item in container.listitems) {
+    if (container.listitems.hasOwnProperty(item)) {
+      list.push(container.listitems[item]);
+    }
+  }
+  container.listItemArray = _.shuffle(list);
+
+  for (var i = 1; i <= container.listItemArray.length; i++) {
+    var tempItems = [];
+    if (i === 1) {
+      tempItems.push(container.listItemArray[0]);
+      container.listitems['' + i ] = tempItems;
+    } else {
+      for (var c = 1; c <= i; c++) {
+        tempItems.push(container.listItemArray[c - 1]);
+        container.listitems['' + i ] = tempItems;
+      }
+    }
+  }
+};

core/lib/buildListItems.js

@@ -0,0 +1,49 @@
+"use strict";
+
+const logger = require('./log');
+const lh = require('./lineage_hunter');
+const lih = require('./list_item_hunter');
+const addPattern = require('./addPattern');
+const expandPartials = require('./expandPartials');
+
+const lineage_hunter = new lh();
+const list_item_hunter = new lih();
+
+/**
+ * A helper that unravels a pattern looking for partials or listitems to unravel.
+ * The goal is really to convert pattern.template into pattern.extendedTemplate
+ * @param pattern - the pattern to decompose
+ * @param patternlab - global data store
+ * @param ignoreLineage - whether or not to hunt for lineage for this pattern
+ */
+module.exports = function (pattern, patternlab, ignoreLineage) {
+
+  //set the extendedTemplate to operate on later if we find partials to replace
+  if (!pattern.extendedTemplate) {
+    pattern.extendedTemplate = pattern.template;
+  }
+
+  //find any listItem blocks that within the pattern, even if there are no partials
+  const listItemPromise = list_item_hunter.process_list_item_partials(pattern, patternlab);
+
+  const expandPartialPromise = expandPartials(pattern, patternlab);
+
+  let lineagePromise;
+
+  //find pattern lineage
+  if (!ignoreLineage) {
+    lineagePromise = Promise.resolve(lineage_hunter.find_lineage(pattern, patternlab));
+  } else {
+    lineagePromise = Promise.resolve();
+  }
+
+  const addPromise = Promise.resolve(() => {
+    //add to patternlab object so we can look these up later.
+    addPattern(pattern, patternlab);
+  });
+
+  return Promise.all([listItemPromise, expandPartialPromise, lineagePromise, addPromise])
+    .catch(reason => {
+      logger.error(reason);
+    });
+};

core/lib/decompose.js

@@ -0,0 +1,70 @@
+"use strict";
+
+const logger = require('./log');
+const ph = require('./parameter_hunter');
+const smh = require('./style_modifier_hunter');
+const jsonCopy = require('./json_copy');
+const getPartial = require('./get');
+
+const parameter_hunter = new ph();
+const style_modifier_hunter = new smh();
+
+module.exports = function (currentPattern, patternlab) {
+
+  const processRecursive = require('./processRecursive');
+
+  //find how many partials there may be for the given pattern
+  const foundPatternPartials = currentPattern.findPartials();
+
+  // expand any partials present in this pattern; that is, drill down into
+  // the template and replace their calls in this template with rendered
+  // results
+  if (currentPattern.engine.expandPartials && (foundPatternPartials !== null && foundPatternPartials.length > 0)) {
+
+    logger.debug(`found partials for ${currentPattern.patternPartial}`);
+
+    // determine if the template contains any pattern parameters. if so they
+    // must be immediately consumed
+    return parameter_hunter.find_parameters(currentPattern, patternlab).then(() => {
+
+      //do something with the regular old partials
+      foundPatternPartials.forEach((foundPartial) => {
+
+        var partial = currentPattern.findPartial(foundPartial);
+        var partialPattern = getPartial(partial, patternlab);
+
+        //recurse through nested partials to fill out this extended template.
+        return processRecursive(partialPattern.relPath, patternlab).then(() => { //eslint-disable-line no-loop-func
+
+          //complete assembly of extended template
+          //create a copy of the partial so as to not pollute it after the getPartial call.
+          var cleanPartialPattern = jsonCopy(partialPattern, `partial pattern ${partial}`);
+
+          //if partial has style modifier data, replace the styleModifier value
+          if (currentPattern.stylePartials && currentPattern.stylePartials.length > 0) {
+            style_modifier_hunter.consume_style_modifier(cleanPartialPattern, foundPartial, patternlab);
+          }
+
+          //this is what we came here for
+          logger.debug(`within ${currentPattern.patternPartial}, replacing extendedTemplate partial ${foundPartial} with ${cleanPartialPattern.patternPartial}'s extendedTemplate`);
+
+          currentPattern.extendedTemplate = currentPattern.extendedTemplate.replace(foundPartial, cleanPartialPattern.extendedTemplate);
+
+          // update the extendedTemplate in the partials object in case this
+          // pattern is consumed later
+          patternlab.partials[currentPattern.patternPartial] = currentPattern.extendedTemplate;
+
+          return Promise.resolve();
+        }).catch(reason => {
+          console.log(reason);
+          logger.error(reason);
+        });
+      });
+
+    }).catch(reason => {
+      console.log(reason);
+      logger.error(reason);
+    });
+  }
+  return Promise.resolve();
+};

core/lib/expandPartials.js

@@ -0,0 +1,54 @@
+"use strict";
+
+const eol = require('os').EOL;
+const path = require('path');
+const _ = require('lodash');
+
+const ae = require('./annotation_exporter');
+
+let fs = require('fs-extra'); //eslint-disable-line prefer-const
+
+/**
+ * Write out our pattern information for use by the front end
+ * @param patternlab - global data store
+ */
+module.exports = function (patternlab) {
+
+  const annotation_exporter = new ae(patternlab);
+
+  const paths = patternlab.config.paths;
+
+  //write out the data
+  let output = '';
+
+  //config
+  output += 'var config = ' + JSON.stringify(patternlab.config) + ';\n';
+
+  //ishControls
+  output += 'var ishControls = {"ishControlsHide":' + JSON.stringify(patternlab.config.ishControlsHide) + '};' + eol;
+
+  //navItems
+  output += 'var navItems = {"patternTypes": ' + JSON.stringify(patternlab.patternTypes) + ', "ishControlsHide": ' + JSON.stringify(patternlab.config.ishControlsHide) + '};' + eol;
+
+  //patternPaths
+  output += 'var patternPaths = ' + JSON.stringify(patternlab.patternPaths) + ';' + eol;
+
+  //viewAllPaths
+  output += 'var viewAllPaths = ' + JSON.stringify(patternlab.viewAllPaths) + ';' + eol;
+
+  //plugins
+  output += 'var plugins = ' + JSON.stringify(patternlab.plugins || []) + ';' + eol;
+
+  //smaller config elements
+  output += 'var defaultShowPatternInfo = ' + (patternlab.config.defaultShowPatternInfo ? patternlab.config.defaultShowPatternInfo : 'false') + ';' + eol;
+  output += 'var defaultPattern = "' + (patternlab.config.defaultPattern ? patternlab.config.defaultPattern : 'all') + '";' + eol;
+
+  //annotations
+  const annotationsJSON = annotation_exporter.gather();
+  const annotations = 'var comments = { "comments" : ' + JSON.stringify(annotationsJSON) + '};';
+  fs.outputFileSync(path.resolve(paths.public.annotations, 'annotations.js'), annotations);
+
+  //write all output to patternlab-data
+  fs.outputFileSync(path.resolve(paths.public.data, 'patternlab-data.js'), output);
+  return output;
+};

core/lib/exportData.js

@@ -0,0 +1,35 @@
+"use strict";
+
+const logger = require('./log');
+
+module.exports = function (partialName, patternlab) {
+  //look for exact partial matches
+  for (var i = 0; i < patternlab.patterns.length; i++) {
+    if (patternlab.patterns[i].patternPartial === partialName) {
+      return patternlab.patterns[i];
+    }
+  }
+
+  //else look by verbose syntax
+  for (var i = 0; i < patternlab.patterns.length; i++) {
+    switch (partialName) {
+      case patternlab.patterns[i].relPath:
+        return patternlab.patterns[i];
+      case patternlab.patterns[i].verbosePartial:
+        return patternlab.patterns[i];
+    }
+  }
+
+  //return the fuzzy match if all else fails
+  for (var i = 0; i < patternlab.patterns.length; i++) {
+    var partialParts = partialName.split('-'),
+      partialType = partialParts[0],
+      partialNameEnd = partialParts.slice(1).join('-');
+
+    if (patternlab.patterns[i].patternPartial.split('-')[0] === partialType && patternlab.patterns[i].patternPartial.indexOf(partialNameEnd) > -1) {
+      return patternlab.patterns[i];
+    }
+  }
+  logger.warning('Could not find pattern referenced with partial syntax ' + partialName + '. This can occur when a pattern was renamed, moved, or no longer exists but it still referenced within a different template or within data as a link.');
+  return undefined;
+};

core/lib/get.js

@@ -1,24 +1,21 @@
 'use strict';
 const extend = require("util")._extend;
+const getPartial = require('./get');
 const logger = require('./log');
 
 const lineage_hunter = function () {
 
   function findlineage(pattern, patternlab) {
 
-    const pa = require('./pattern_assembler');
-    const pattern_assembler = new pa();
-
     // As we are adding edges from pattern to ancestor patterns, ensure it is known to the graph
     patternlab.graph.add(pattern);
 
-
     //find the {{> template-name }} within patterns
     const matches = pattern.findPartials();
     if (matches !== null) {
       matches.forEach(function (match) {
         //get the ancestorPattern
-        const ancestorPattern = pattern_assembler.getPartial(pattern.findPartial(match), patternlab);
+        const ancestorPattern = getPartial(pattern.findPartial(match), patternlab);
 
         if (ancestorPattern && pattern.lineageIndex.indexOf(ancestorPattern.patternPartial) === -1) {
           //add it since it didnt exist
@@ -99,8 +96,6 @@ const lineage_hunter = function () {
 
           //find all lineage - patterns being consumed by this one
           for (let h = 0; h < lineage.length; h++) {
-            // Not needed, the graph already knows the concrete pattern
-            // let lineagePattern = pattern_assembler.getPartial(lineageIndex[h], patternlab);
             setPatternState('fromFuture', lineage[h], pattern, patternlab.graph);
           }
         }