Updating to have real auto-completion on string templates library.

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

@@ -31,7 +31,7 @@ const {
   createLoginScreen,
 } = require("../../constants/screens")
 const { cloneDeep } = require("lodash/fp")
-const { recurseHandlebars } = require("../../utilities/handlebars")
+const { objectHandlebars } = require("../../utilities/handlebars")
 const { USERS_TABLE_SCHEMA } = require("../../constants")
 
 const APP_PREFIX = DocumentTypes.APP + SEPARATOR
@@ -213,8 +213,7 @@ const createEmptyAppPackage = async (ctx, app) => {
   let screensAndLayouts = []
   for (let layout of BASE_LAYOUTS) {
     const cloned = cloneDeep(layout)
-    cloned.title = app.name
-    screensAndLayouts.push(recurseHandlebars(cloned, app))
+    screensAndLayouts.push(objectHandlebars(cloned, app))
   }
 
   const homeScreen = createHomeScreen(app)

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

@@ -7,7 +7,7 @@ const fs = require("fs-extra")
 const uuid = require("uuid")
 const AWS = require("aws-sdk")
 const { prepareUpload } = require("../deploy/utils")
-const handlebars = require("handlebars")
+const { stringHandlebars } = require("../../../utilities/handlebars")
 const {
   budibaseAppsDir,
   budibaseTempDir,
@@ -160,11 +160,8 @@ exports.serveApp = async function(ctx) {
     objectStoreUrl: objectStoreUrl(),
   })
 
-  const template = handlebars.compile(
-    fs.readFileSync(`${__dirname}/templates/app.hbs`, "utf8")
-  )
-
-  ctx.body = template({
+  const appHbs = fs.readFileSync(`${__dirname}/templates/app.hbs`, "utf8")
+  ctx.body = stringHandlebars(appHbs, {
     head,
     body: html,
     style: css.code,

packages/server/src/automations/thread.js

@@ -3,7 +3,7 @@ const actions = require("./actions")
 const logic = require("./logic")
 const automationUtils = require("./automationUtils")
 const AutomationEmitter = require("../events/AutomationEmitter")
-const { recurseHandlebars } = require("../utilities/handlebars")
+const { objectHandlebars } = require("../utilities/handlebars")
 
 handlebars.registerHelper("object", value => {
   return new handlebars.SafeString(JSON.stringify(value))
@@ -49,7 +49,7 @@ class Orchestrator {
     let automation = this._automation
     for (let step of automation.definition.steps) {
       let stepFn = await this.getStepFunctionality(step.type, step.stepId)
-      step.inputs = recurseHandlebars(step.inputs, this._context)
+      step.inputs = objectHandlebars(step.inputs, this._context)
       step.inputs = automationUtils.cleanInputValues(
         step.inputs,
         step.schema.inputs

packages/server/src/utilities/handlebars.js

@@ -1,3 +1,4 @@
 const stringTemplates = require("@budibase/string-templates")
 
-exports.recurseHandlebars = stringTemplates.recurseHandlebars
+exports.objectHandlebars = stringTemplates.processObject
+exports.stringHandlebars = stringTemplates.processString

packages/string-templates/.gitignore

@@ -1,2 +1,2 @@
-build/
+dist/
 node_modules/

packages/string-templates/package.json

@@ -2,17 +2,20 @@
   "name": "@budibase/string-templates",
   "version": "0.5.3",
   "description": "Handlebars wrapper for Budibase templating.",
-  "main": "build/bundle.js",
+  "main": "dist/bundle.js",
+  "module": "dist/bundle.js",
   "license": "AGPL-3.0",
   "private": true,
+  "types": "dist/index.d.ts",
   "scripts": {
     "build": "rollup -c",
-    "dev:builder": "rollup -cw"
+    "dev:builder": "tsc && rollup -cw"
   },
   "dependencies": {
     "handlebars": "^4.7.6"
   },
   "devDependencies": {
+    "typescript": "^4.1.3",
     "rollup": "^2.36.2",
     "rollup-plugin-commonjs": "^10.1.0",
     "rollup-plugin-node-builtins": "^2.1.2",

packages/string-templates/rollup.config.js

@@ -6,9 +6,13 @@ import builtins from "rollup-plugin-node-builtins"
 export default {
   input: "src/index.js",
   output: {
-    file: "build/bundle.js",
+    file: "dist/bundle.js",
     format: "umd",
     name: "string-templates",
+    exports: "named",
+    globals: {
+      "fs": "fs",
+    },
   },
   external: ["fs"],
   plugins: [

packages/string-templates/src/index.js

@@ -3,13 +3,6 @@ const { registerAll } = require("./helpers/index")
 
 const HBS_CLEANING_REGEX = /{{[^}}]*}}/g
 
-/**
- * Templates are produced after an input string has been compiled, we store these templates in-case the same
- * string will be processed multiple times after the app has been loaded.
- * In the future storing these templates somewhere could save some processing time for large template runs.
- */
-const COMPILED_TEMPLATES = {}
-
 const hbsInstance = handlebars.create()
 registerAll(hbsInstance)
 
@@ -61,7 +54,7 @@ function cleanHandlebars(string) {
  * @param {object} context The context that handlebars should fill data from.
  * @returns {object|array} The structure input, as fully updated as possible.
  */
-module.exports.object = (object, context) => {
+module.exports.processObject = (object, context) => {
   // JSON stringify will fail if there are any cycles, stops infinite recursion
   try {
     JSON.stringify(object)
@@ -71,11 +64,11 @@ module.exports.object = (object, context) => {
   for (let key of Object.keys(object)) {
     let val = object[key]
     if (typeof val === "string") {
-      module.exports.string(object[key], context)
+      object[key] = module.exports.processString(object[key], context)
     }
     // this covers objects and arrays
     else if (typeof val === "object") {
-      object[key] = module.exports.object(object[key], context)
+      object[key] = module.exports.processObject(object[key], context)
     }
   }
   return object
@@ -88,18 +81,14 @@ module.exports.object = (object, context) => {
  * @param {object} context An object of information which will be used to enrich the string.
  * @returns {string} The enriched string, all templates should have been replaced if they can be.
  */
-module.exports.string = (string, context) => {
-  let template = COMPILED_TEMPLATES[string]
-  if (template == null) {
-    try {
-      string = cleanHandlebars(string)
-      template = hbsInstance.compile(string)
-    } catch (err) {
-      string = attemptToCorrectError(string)
-      template = hbsInstance.compile(string)
-    }
-    // store the template for later, only after we know it worked
-    COMPILED_TEMPLATES[string] = template
+module.exports.processString = (string, context) => {
+  let template
+  try {
+    string = cleanHandlebars(string)
+    template = hbsInstance.compile(string)
+  } catch (err) {
+    string = attemptToCorrectError(string)
+    template = hbsInstance.compile(string)
   }
   return template(context)
 }

packages/string-templates/tsconfig.json

@@ -0,0 +1,10 @@
+{
+  "include": ["src/**/*"],
+
+  "compilerOptions": {
+    "allowJs": true,
+    "declaration": true,
+    "emitDeclarationOnly": true,
+    "outDir": "dist"
+  }
+}

packages/string-templates/yarn.lock

@@ -839,6 +839,11 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
+typescript@^4.1.3:
+  version "4.1.3"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.1.3.tgz#519d582bd94cba0cf8934c7d8e8467e473f53bb7"
+  integrity sha512-B3ZIOf1IKeH2ixgHhj6la6xdwR9QrLC5d1VKeCSY4tvkqhF2eqd9O7txNlS0PO3GrBAFIdr3L1ndNwteUbZLYg==
+
 uglify-js@^3.1.4:
   version "3.12.4"
   resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.12.4.tgz#93de48bb76bb3ec0fc36563f871ba46e2ee5c7ee"