@resin.io/doxx/build/metalsmith-plugins.js

// Generated by CoffeeScript 1.12.7
(function() {
  var Dicts, HbHelper, LunrIndex, _, extractTitleFromText, filenameToRef, fs, getValue, path, ref1, ref2, refToFilename, replacePlaceholders, slugify, tokenize, walkFiles, walkTree,
    slice = [].slice;

  path = require('path');

  fs = require('fs');

  _ = require('lodash');

  HbHelper = require('@resin.io/doxx-handlebars-helper');

  ref1 = require('@resin.io/doxx-utils'), walkFiles = ref1.walkFiles, walkTree = ref1.walkTree;

  LunrIndex = require('./lunr-index');

  Dicts = require('./dictionaries');

  tokenize = require('metalsmith-dynamic').util.tokenize;

  ref2 = require('./util'), extractTitleFromText = ref2.extractTitleFromText, slugify = ref2.slugify, replacePlaceholders = ref2.replacePlaceholders, filenameToRef = ref2.filenameToRef, refToFilename = ref2.refToFilename, getValue = ref2.getValue;

  module.exports = function(config, navTree) {
    var dicts, exports, fileByRef, navByRef;
    dicts = Dicts(config);
    exports = {};
    exports.skipPrivate = walkFiles(function(file, files) {
      if (path.parse(file).name.match(/^_/)) {
        return delete files[file];
      }
    });
    fileByRef = {};
    exports.populateFileMeta = walkFiles(function(file, files) {
      var excerpt, obj, ref3, title;
      obj = files[file];
      _.assign(obj, getValue(config.metaExtra, file, obj));
      title = obj.title || extractTitleFromText(obj.contents.toString());
      excerpt = obj.excerpt;
      obj.title = HbHelper.render(title, obj);
      obj.excerpt = HbHelper.render(excerpt, obj);
      ref3 = filenameToRef(file), obj.ref = ref3[0], obj.ext = ref3[1];
      return fileByRef[obj.ref] = obj;
    });
    exports.buildSearchIndex = function() {
      var searchIndex;
      console.log('Building search index...');
      searchIndex = LunrIndex.create();
      return function(files, metalsmith, done) {
        var file, indexFilePath, obj;
        for (file in files) {
          obj = files[file];
          searchIndex.add({
            id: obj.ref,
            title: obj.title,
            body: obj.contents.toString()
          });
        }
        indexFilePath = config.buildLunrIndex;
        return searchIndex.write(indexFilePath, function(err) {
          if (err) {
            throw err;
          }
          console.log('Successfully finished indexing.');
          return done();
        });
      };
    };
    navByRef = null;
    exports.parseNav = function() {
      var addNavParents, fixNavNodeTitleAndSetSlug, setRef, setRefRec, setRefs;
      setRefRec = function(ref, node, remainingVariables) {
        var j, len, nextVariable, obj1, ref3, ref4, results, value;
        if (!(remainingVariables != null ? remainingVariables.length : void 0)) {
          return setRef(ref, node);
        }
        ref3 = remainingVariables, nextVariable = ref3[0], remainingVariables = 2 <= ref3.length ? slice.call(ref3, 1) : [];
        ref4 = dicts.getValues(nextVariable);
        results = [];
        for (j = 0, len = ref4.length; j < len; j++) {
          value = ref4[j];
          results.push(setRefRec(replacePlaceholders(ref, (
            obj1 = {},
            obj1["" + nextVariable] = value,
            obj1
          )), node, remainingVariables));
        }
        return results;
      };
      setRef = function(ref, node) {
        var i, t, tokens;
        if (ref == null) {
          return;
        }
        if (ref.indexOf('$') >= 0) {
          tokens = (function() {
            var j, len, ref3, results;
            ref3 = tokenize(ref);
            results = [];
            for (i = j = 0, len = ref3.length; j < len; i = ++j) {
              t = ref3[i];
              if (i % 2) {
                results.push(t);
              }
            }
            return results;
          })();
          return setRefRec(ref, node, tokens);
        } else {
          return navByRef[ref] = node;
        }
      };
      setRefs = walkTree({
        visitNode: function(node) {
          if (node.level != null) {
            return setRef(node.ref, node);
          }
        }
      });
      fixNavNodeTitleAndSetSlug = walkTree({
        visitNode: function(node) {
          var ref3;
          if (node.level != null) {
            node.title || (node.title = (ref3 = fileByRef[node.ref]) != null ? ref3.title : void 0);
            return node.slug = slugify(node.title);
          }
        }
      });
      addNavParents = walkTree({
        visitNode: function(node, parents) {
          if (node.level != null) {
            return node.parents = parents.concat(node);
          }
        },
        buildNextArgs: function(node, parents) {
          if (node.level != null) {
            return [parents.concat(node)];
          } else {
            return [parents];
          }
        }
      });
      return function(files, metalsmith, done) {
        console.log('Parsing navigation...');
        fixNavNodeTitleAndSetSlug(navTree);
        addNavParents(navTree, []);
        navByRef = {};
        setRefs(navTree);
        console.log('Navigation parsed and indexed.');
        return done();
      };
    };
    exports.serializeNav = function() {
      var removeBackRefs;
      removeBackRefs = walkTree({
        visitNode: function(node) {
          delete node.parent;
          return delete node.parents;
        }
      });
      return function(files, metalsmith, done) {
        var filename;
        removeBackRefs(navTree);
        filename = config.serializeNav;
        fs.writeFile(filename, JSON.stringify(navTree), function(err) {
          if (err) {
            throw err;
          }
          return console.log('Successfully serialized navigation tree.');
        });
        return done();
      };
    };
    exports.populateFileNavMeta = walkFiles(function(file, files) {
      var bc, j, len, nav, navNode, node, obj, parents, ref;
      obj = files[file];
      ref = obj.ref;
      navNode = navByRef[ref];
      obj.$nav = nav = {
        url: "/" + obj.ref
      };
      parents = navNode != null ? navNode.parents : void 0;
      if (parents != null) {
        nav.path = {};
        for (j = 0, len = parents.length; j < len; j++) {
          node = parents[j];
          nav.path[node.$id] = true;
        }
      }
      obj.breadcrumbs = bc = parents != null ? parents.map(function(node) {
        return node.title;
      }) : void 0;
      if (navNode != null ? navNode.isDynamic : void 0) {
        nav.title = HbHelper.render(navNode.titleTemplate, obj);
        if (bc != null ? bc.length : void 0) {
          return bc[bc.length - 1] = nav.title;
        }
      } else {
        return nav.title = navNode != null ? navNode.title : void 0;
      }
    });
    return exports;
  };

}).call(this);