frontend/routes/story/by-tag.js

const express = require("express")
const router = express.Router()

const common = require("./common")
const {storyApi} = require("../../rpdata/api/Story")
const {Tag} = require("../../rpdata/api/Tag")

const listTemplate = require("../../marko/page/story/list.marko")

router.get("/:tagkind/:tagname", common, async(req, res) => {
  try {
    const tag = new Tag(req.params.tagkind, req.params.tagname)

    res.markoAsync(listTemplate, {
      stories: storyApi.list({tags: [tag]}), 
      menuTags: [tag],
      selected: {tag: `${tag.kind}:${tag.name}`},
    })
  } catch(err) {
    console.error(err)
  }
})

module.exports = router