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feat(storefront): bctheme-1063 modify stencil to start locally with components ui library #895

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merged 1 commit into from
Jun 20, 2022
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feat(storefront): bctheme-1063 modify stencil to start locally with components ui library #895

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51 changes: 48 additions & 3 deletions lib/template-assembler.js
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,44 @@ const upath = require('upath');

const partialRegex = /\{\{>\s*([_|\-|a-zA-Z0-9/]+)[^{]*?}}/g;
const dynamicComponentRegex = /\{\{\s*?dynamicComponent\s*(?:'|")([_|\-|a-zA-Z0-9/]+)(?:'|").*?}}/g;
const includeRegex = /{{2}>\s*([_|\-|a-zA-Z0-9/]+)[^{]*?}{2}/g;
const packageMarker = 'external/';

const isExternalTemplate = (templateName) => {
return templateName.startsWith(packageMarker);
};
const defineBaseRoute = (route) => route.split('/').slice(0, 3).join('/');
const applyExternalPath = (templateName, templates) => {
return templates.map((t) => `${defineBaseRoute(templateName)}/${t}`);
};
const replacePartialNames = (content, partialRoute) => {
return content.replace(
includeRegex,
(__, partialName) => `{{> ${defineBaseRoute(partialRoute)}/${partialName} }}`,
);
};

/**
* Takes a templates folder and template name. It returns simple path for custom template if it's available
* or use default folder instead
*
* @param {string} templatesFolder
* @param {string} templateName
*/
function getCustomPath(templatesFolder, templateName) {
let customTemplatesDir;
let customTemplateName;

if (templateName.startsWith(packageMarker)) {
customTemplatesDir = templatesFolder.replace('templates', 'node_modules');
customTemplateName = templateName.slice(packageMarker.length);
} else {
customTemplatesDir = templatesFolder;
customTemplateName = templateName;
}

return path.join(customTemplatesDir, `${customTemplateName}.html`);
}

/**
* Takes a list of templates and grabs their content. It returns simple key/val pair
Expand All @@ -20,14 +58,17 @@ function getContent(templatesFolder, templatePaths, callback) {
templatePaths,
{},
(acc, templatePath, reduceCallback) => {
const file = path.join(templatesFolder, `${templatePath}.html`);
const file = getCustomPath(templatesFolder, templatePath);

fs.readFile(file, { encoding: 'utf-8' }, (err, content) => {
if (err) {
reduceCallback(err);
return;
}

acc[templatePath] = content;
acc[templatePath] = templatePath.startsWith(packageMarker)
? replacePartialNames(content, templatePath)
: content;

reduceCallback(null, acc);
});
Expand Down Expand Up @@ -81,7 +122,7 @@ function getTemplatePaths(templatesFolder, templates, options, callback) {
});

function resolvePartials(templateName, cb2) {
const templatePath = path.join(templatesFolder, `${templateName}.html`);
const templatePath = getCustomPath(templatesFolder, templateName);

fs.readFile(templatePath, { encoding: 'utf-8' }, (err, content) => {
const componentPaths = [];
Expand Down Expand Up @@ -147,6 +188,10 @@ function getTemplatePaths(templatesFolder, templates, options, callback) {
return;
}

if (isExternalTemplate(templateName)) {
matches = applyExternalPath(templateName, matches);
}

async.each(matches, resolvePartials, cb2);
},
);
Expand Down