Expand Up @@ -51,7 +51,7 @@ class TwingLoaderPatternLab { * @throws TwingErrorLoader When name is not found */ getSourceContext(name, from) { var pattern = this.patterns.get(name); const pattern = this.patterns.get(name); return Promise.resolve( new TwingSource(pattern.extendedTemplate, name, pattern.relPath) ); Expand Down Expand Up @@ -116,23 +116,23 @@ const fileSystemLoader = new TwingLoaderFilesystem(); const patternLabLoader = new TwingLoaderPatternLab(); const chainLoader = new TwingLoaderChain([fileSystemLoader, patternLabLoader]); const twing = new TwingEnvironment(chainLoader); var metaPath; let metaPath; let patternLabConfig = {};
var engine_twig = { const engine_twig = { engine: twing, engineName: 'twig', engineFileExtension: '.twig',
// regexes, stored here so they're only compiled once findPartialsRE: /{%[-]?\s*(?:extends|include|embed|from|import|use)\s+('[^']+'|"[^"]+").*?%}/g, findPartialKeyRE: /"((?:\\.|[^"\\])*)"/, /{[%{]\s*.*?(?:extends|include|embed|from|import|use)\(?\s*['"](.+?)['"][\s\S]*?\)?\s*[%}]}/g, findListItemsRE: /({{#( )?)(list(I|i)tems.)(one|two|three|four|five|six|seven|eight|nine|ten|eleven|twelve|thirteen|fourteen|fifteen|sixteen|seventeen|eighteen|nineteen|twenty)( )?}}/g, // TODO
// render it renderPattern: function renderPattern(pattern, data, partials) { var patternPath = pattern.basePattern let patternPath = pattern.basePattern ? pattern.basePattern.relPath : pattern.relPath; if (patternPath.lastIndexOf(metaPath) === 0) { Expand All @@ -150,8 +150,15 @@ var engine_twig = {
// find and return any {% include 'template-name' %} within pattern findPartials: function findPartials(pattern) { var matches = pattern.template.match(this.findPartialsRE); return matches; const matches = pattern.template.match(this.findPartialsRE); const filteredMatches = matches && matches.filter((match) => { // Filter out programmatically created includes. // i.e. {% include '@namespace/icons/assets/' ~ name ~ '.svg' %} return match.indexOf('~') === -1; }); return filteredMatches; },
// returns any patterns that match {{> value(foo:"bar") }} or {{> Expand All @@ -161,18 +168,90 @@ var engine_twig = { // being implemented here. return []; },
findListItems: function (pattern) { var matches = pattern.template.match(this.findListItemsRE); const matches = pattern.template.match(this.findListItemsRE); return matches; },
// given a pattern, and a partial string, tease out the "pattern key" and // return it. findPartial: function (partialString) { var partial = partialString.match(this.findPartialKeyRE)[0]; partial = partial.replace(/"/g, ''); try { const partial = partialString.replace(this.findPartialsRE, '$1');
// Check if namespaces is not empty. const [selectedNamespace] = fileSystemLoader .getNamespaces() .filter((namespace) => { // Check to see if this partial contains within the namespace id. return partial.indexOf(`@${namespace}`) !== -1; });
let namespaceResolvedPartial = '';
if (selectedNamespace.length > 0) { // Loop through all namespaces and try to resolve the namespace to a file path. const namespacePaths = fileSystemLoader.getPaths(selectedNamespace);
for (let index = 0; index < namespacePaths.length; index++) { const patternPath = path.isAbsolute(namespacePaths[index]) ? path.relative( patternLabConfig.paths.source.root, namespacePaths[index] ) : namespacePaths[index];
// Replace the name space with the actual path. // i.e. @atoms -> source/_patterns/atoms const tempPartial = path.join( process.cwd(), partial.replace(`@${selectedNamespace}`, patternPath) );
return partial; try { // Check to see if the file actually exists. if (fs.existsSync(tempPartial)) { // get the path to the top-level folder of this pattern // ex. /Users/bradfrost/sites/pattern-lab/packages/edition-twig/source/_patterns/atoms const fullFolderPath = `${ tempPartial.split(namespacePaths[index])[0] }${namespacePaths[index]}`;
// then tease out the folder name itself (including the # prefix) // ex. atoms const folderName = fullFolderPath.substring( fullFolderPath.lastIndexOf('/') + 1, fullFolderPath.length );
// finally, return the Twig path we created from the full file path // ex. atoms/buttons/button.twig const fullIncludePath = tempPartial.replace( tempPartial.split( `${folderName}${tempPartial.split(folderName)[1]}` )[0], '' );
namespaceResolvedPartial = fullIncludePath;
// After it matches one time, set the resolved partial and exit the loop. break; } } catch (err) { console.error(err); } } } // Return the path with the namespace resolved OR the regex'd partial. return namespaceResolvedPartial || partial; } catch (err) { console.error( 'Error occurred when trying to find partial name in: ' + partialString ); return null; } },
spawnFile: function (config, fileName) { Expand Down Expand Up @@ -209,31 +288,32 @@ var engine_twig = { * @param {object} config - the global config object from core */ usePatternLabConfig: function (config) { patternLabConfig = config; metaPath = path.resolve(config.paths.source.meta); // Global paths fileSystemLoader.addPath(config.paths.source.meta); fileSystemLoader.addPath(config.paths.source.patterns); // Namespaced paths if ( config['engines'] && config['engines']['twig'] && config['engines']['twig']['namespaces'] config.engines && config.engines.twig && config.engines.twig.namespaces ) { var namespaces = config['engines']['twig']['namespaces']; const namespaces = config.engines.twig.namespaces; Object.keys(namespaces).forEach(function (key, index) { fileSystemLoader.addPath(namespaces[key], key); }); }
// add twing extensions if ( config['engines'] && config['engines']['twig'] && config['engines']['twig']['loadExtensionsFile'] config.engines && config.engines.twig && config.engines.twig.loadExtensionsFile ) { const extensionsFile = path.resolve( './', config['engines']['twig']['loadExtensionsFile'] config.engines.twig.loadExtensionsFile ); if (fs.pathExistsSync(extensionsFile)) { try { Expand Down