Removing the static CSS bundling from the server as it is no longer required.

packages/server/src/api/controllers/application.js

@@ -32,7 +32,6 @@ const {
 } = require("../../constants/screens")
 const { cloneDeep } = require("lodash/fp")
 const { recurseMustache } = require("../../utilities/mustache")
-const { generateAssetCss } = require("../../utilities/builder/generateCss")
 const { USERS_TABLE_SCHEMA } = require("../../constants")
 
 const APP_PREFIX = DocumentTypes.APP + SEPARATOR
@@ -131,12 +130,6 @@ exports.fetchAppPackage = async function(ctx) {
   const application = await db.get(ctx.params.appId)
   const [layouts, screens] = await Promise.all([getLayouts(db), getScreens(db)])
 
-  for (let layout of layouts) {
-    layout._css = generateAssetCss([layout.props])
-  }
-  for (let screen of screens) {
-    screen._css = generateAssetCss([screen.props])
-  }
   ctx.body = {
     application,
     screens,
@@ -230,10 +223,6 @@ const createEmptyAppPackage = async (ctx, app) => {
   screensAndLayouts.push(loginScreen)
 
   await db.bulkDocs(screensAndLayouts)
-  // at the end add CSS to all the structures
-  for (let asset of screensAndLayouts) {
-    asset._css = generateAssetCss([asset.props])
-  }
-  await compileStaticAssets(app._id, screensAndLayouts)
+  await compileStaticAssets(app._id)
   return newAppFolder
 }

packages/server/src/api/controllers/deploy/aws.js

@@ -7,8 +7,6 @@ const { budibaseAppsDir } = require("../../../utilities/budibaseDir")
 const PouchDB = require("../../../db")
 const env = require("../../../environment")
 
-const EXCLUDED_DIRECTORIES = ["css"]
-
 /**
  * Finalises the deployment, updating the quota for the user API key
  * The verification process returns the levels to update to.
@@ -140,15 +138,9 @@ exports.uploadAppAssets = async function({ appId, bucket, accountId }) {
 
   let uploads = []
 
-  // Upload HTML, CSS and JS of the web app
+  // Upload HTML and JS of the web app
   walkDir(appAssetsPath, function(filePath) {
     const filePathParts = filePath.split("/")
-    const publicIndex = filePathParts.indexOf("public")
-    const directory = filePathParts[publicIndex + 1]
-    // don't include these top level directories
-    if (EXCLUDED_DIRECTORIES.indexOf(directory) !== -1) {
-      return
-    }
     const appAssetUpload = prepareUploadForS3({
       file: {
         path: filePath,

packages/server/src/api/controllers/screen.js

@@ -1,8 +1,6 @@
 const CouchDB = require("../../db")
 const { getScreenParams, generateScreenID } = require("../../db/utils")
 const { AccessController } = require("../../utilities/security/roles")
-const { generateAssetCss } = require("../../utilities/builder/generateCss")
-const compileStaticAssets = require("../../utilities/builder/compileStaticAssets")
 
 exports.fetch = async ctx => {
   const appId = ctx.user.appId
@@ -32,10 +30,6 @@ exports.save = async ctx => {
   }
   const response = await db.put(screen)
 
-  // update CSS so client doesn't need to make a call directly after
-  screen._css = generateAssetCss([screen.props])
-  await compileStaticAssets(appId, screen)
-
   ctx.message = `Screen ${screen.name} saved.`
   ctx.body = {
     ...screen,

packages/server/src/api/controllers/static/index.js

@@ -16,19 +16,10 @@ const CouchDB = require("../../../db")
 const setBuilderToken = require("../../../utilities/builder/setBuilderToken")
 const fileProcessor = require("../../../utilities/fileProcessor")
 const env = require("../../../environment")
-const { generateAssetCss } = require("../../../utilities/builder/generateCss")
-const compileStaticAssets = require("../../../utilities/builder/compileStaticAssets")
 
 // this was the version before we started versioning the component library
 const COMP_LIB_BASE_APP_VERSION = "0.2.5"
 
-exports.generateCss = async function(ctx) {
-  const structure = ctx.request.body
-  structure._css = generateAssetCss([structure.props])
-  await compileStaticAssets(ctx.appId, structure)
-  ctx.body = { css: structure._css }
-}
-
 exports.serveBuilder = async function(ctx) {
   let builderPath = resolve(__dirname, "../../../../builder")
   if (ctx.file === "index.html") {

packages/server/src/api/routes/screen.js

@@ -10,7 +10,6 @@ const router = Router()
 function generateSaveValidation() {
   // prettier-ignore
   return joiValidator.body(Joi.object({
-    _css: Joi.string().allow(""),
     name: Joi.string().required(),
     routing: Joi.object({
       route: Joi.string().required(),

packages/server/src/api/routes/static.js

@@ -5,22 +5,6 @@ const env = require("../../environment")
 const authorized = require("../../middleware/authorized")
 const { BUILDER } = require("../../utilities/security/permissions")
 const usage = require("../../middleware/usageQuota")
-const joiValidator = require("../../middleware/joi-validator")
-const Joi = require("joi")
-
-function generateCssValidator() {
-  return joiValidator.body(
-    Joi.object({
-      _id: Joi.string().required(),
-      _rev: Joi.string().required(),
-      props: Joi.object()
-        .required()
-        .unknown(true),
-    })
-      .required()
-      .unknown(true)
-  )
-}
 
 const router = Router()
 
@@ -40,12 +24,6 @@ if (env.NODE_ENV !== "production") {
 }
 
 router
-  .post(
-    "/api/css/generate",
-    authorized(BUILDER),
-    generateCssValidator(),
-    controller.generateCss
-  )
   .post(
     "/api/attachments/process",
     authorized(BUILDER),

packages/server/src/api/routes/tests/generateCss.spec.js

@@ -1,46 +0,0 @@
-const { generateAssetCss, generateCss } = require("../../../utilities/builder/generateCss")
-
-describe("generate_css", () => {
-  it("Check how array styles are output", () => {
-    expect(generateCss({ margin: ["0", "10", "0", "15"] })).toBe("margin: 0 10 0 15;")
-  })
-
-  it("Check handling of an array with empty string values", () => {
-    expect(generateCss({ padding: ["", "", "", ""] })).toBe("")
-  })
-
-  it("Check handling of an empty array", () => {
-    expect(generateCss({ margin: [] })).toBe("")
-  })
-
-  it("Check handling of valid font property", () => {
-    expect(generateCss({ "font-size": "10px" })).toBe("font-size: 10px;")
-  })
-})
-
-
-describe("generate_screen_css", () => {
-  const normalComponent = { _id: "123-456", _component: "@standard-components/header", _children: [], _styles: { normal: { "font-size": "16px" }, hover: {}, active: {}, selected: {} } }
-
-  it("Test generation of normal css styles", () => {
-    expect(generateAssetCss([normalComponent])).toBe(".header-123-456 {\nfont-size: 16px;\n}")
-  })
-
-  const hoverComponent = { _id: "123-456", _component: "@standard-components/header", _children: [], _styles: { normal: {}, hover: {"font-size": "16px"}, active: {}, selected: {} } }
-
-  it("Test generation of hover css styles", () => {
-    expect(generateAssetCss([hoverComponent])).toBe(".header-123-456:hover {\nfont-size: 16px;\n}")
-  })
-
-  const selectedComponent = { _id: "123-456", _component: "@standard-components/header", _children: [], _styles: { normal: {}, hover: {}, active: {}, selected: { "font-size": "16px" } } }
-
-  it("Test generation of selection css styles", () => {
-    expect(generateAssetCss([selectedComponent])).toBe(".header-123-456::selection {\nfont-size: 16px;\n}")
-  }) 
-
-  const emptyComponent = { _id: "123-456", _component: "@standard-components/header", _children: [], _styles: { normal: {}, hover: {}, active: {}, selected: {} } }
-
-  it("Testing handling of empty component styles", () => {
-    expect(generateAssetCss([emptyComponent])).toBe("")
-  }) 
-})

packages/server/src/utilities/builder/compileStaticAssets.js

@@ -1,66 +1,18 @@
-const {
-  ensureDir,
-  constants,
-  copyFile,
-  writeFile,
-  readdir,
-  readFile,
-  existsSync,
-} = require("fs-extra")
+const { ensureDir, constants, copyFile } = require("fs-extra")
 const { join } = require("../centralPath")
 const { budibaseAppsDir } = require("../budibaseDir")
 
-const CSS_DIRECTORY = "css"
-
 /**
  * Compile all the non-db static web assets that are required for the running of
- * a budibase application. This includes CSS, the JSON structure of the DOM and
+ * a budibase application. This includes the JSON structure of the DOM and
  * the client library, a script responsible for reading the JSON structure
  * and rendering the application.
  * @param {string} appId id of the application we want to compile static assets for
- * @param {array|object} assets a list of screens or screen layouts for which the CSS should be extracted and stored.
  */
-module.exports = async (appId, assets) => {
+module.exports = async appId => {
   const publicPath = join(budibaseAppsDir(), appId, "public")
   await ensureDir(publicPath)
-  for (let asset of Array.isArray(assets) ? assets : [assets]) {
-    await buildCssBundle(publicPath, asset)
-    await copyClientLib(publicPath)
-    // remove props that shouldn't be present when written to DB
-    if (asset._css) {
-      delete asset._css
-    }
-  }
-  return assets
-}
-
-/**
- * Reads the _css property of all screens and the screen layouts, and creates a singular CSS
- * bundle for the app at <appId>/public/bundle.css
- * @param {String} publicPath - path to the public assets directory of the budibase application
- * @param {Object} asset a single screen or screen layout which is being updated
- */
-const buildCssBundle = async (publicPath, asset) => {
-  const cssPath = join(publicPath, CSS_DIRECTORY)
-  let cssString = ""
-
-  // create a singular CSS file for this asset
-  const assetCss = asset._css ? asset._css.trim() : ""
-  if (assetCss.length !== 0) {
-    await ensureDir(cssPath)
-    await writeFile(join(cssPath, asset._id), assetCss)
-  }
-
-  // bundle up all the CSS in the directory into one top level CSS file
-  if (existsSync(cssPath)) {
-    const cssFiles = await readdir(cssPath)
-    for (let filename of cssFiles) {
-      const css = await readFile(join(cssPath, filename))
-      cssString += css
-    }
-  }
-
-  await writeFile(join(publicPath, "bundle.css"), cssString)
+  await copyClientLib(publicPath)
 }
 
 /**

packages/server/src/utilities/builder/generateCss.js

@@ -1,43 +0,0 @@
-exports.generateAssetCss = component_arr => {
-  let styles = ""
-  for (const { _styles, _id, _children, _component } of component_arr) {
-    let [componentName] = _component.match(/[a-z]*$/)
-    Object.keys(_styles).forEach(selector => {
-      const cssString = exports.generateCss(_styles[selector])
-      if (cssString) {
-        styles += exports.applyClass(_id, componentName, cssString, selector)
-      }
-    })
-    if (_children && _children.length) {
-      styles += exports.generateAssetCss(_children) + "\n"
-    }
-  }
-  return styles.trim()
-}
-
-exports.generateCss = style => {
-  let cssString = Object.entries(style).reduce((str, [key, value]) => {
-    if (typeof value === "string") {
-      if (value) {
-        return (str += `${key}: ${value};\n`)
-      }
-    } else if (Array.isArray(value)) {
-      if (value.length > 0 && !value.every(v => v === "")) {
-        return (str += `${key}: ${value.join(" ")};\n`)
-      }
-    }
-
-    return str
-  }, "")
-
-  return (cssString || "").trim()
-}
-
-exports.applyClass = (id, name = "element", styles, selector) => {
-  if (selector === "normal") {
-    return `.${name}-${id} {\n${styles}\n}`
-  } else {
-    let sel = selector === "selected" ? "::selection" : `:${selector}`
-    return `.${name}-${id}${sel} {\n${styles}\n}`
-  }
-}