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merge

This commit is contained in:
Martin McKeaveney 2021-01-22 18:06:53 +00:00
parent 6db127384e 54c7761e72
commit 7286167b9d
51 changed files with 6890 additions and 207 deletions
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2
packages/builder/package.json
View File

@ -66,6 +66,7 @@
"@budibase/bbui": "^1.54.1",
"@budibase/client": "^0.5.3",
"@budibase/colorpicker": "^1.0.1",
"@budibase/string-templates": "^0.5.3",
"@budibase/svelte-ag-grid": "^0.0.16",
"@sentry/browser": "5.19.1",
"@svelteschool/svelte-forms": "^0.7.0",
@ -75,7 +76,6 @@
"deepmerge": "^4.2.2",
"fast-sort": "^2.2.0",
"lodash": "^4.17.13",
"mustache": "^4.0.1",
"posthog-js": "1.4.5",
"remixicon": "^2.5.0",
"shortid": "^2.2.15",

8
packages/builder/src/builderStore/replaceBindings.js
View File

@ -1,8 +1,8 @@
export const CAPTURE_VAR_INSIDE_MUSTACHE = /{{([^}]+)}}/g
export const CAPTURE_VAR_INSIDE_TEMPLATE = /{{([^}]+)}}/g
export function readableToRuntimeBinding(bindableProperties, textWithBindings) {
// Find all instances of mustasche
const boundValues = textWithBindings.match(CAPTURE_VAR_INSIDE_MUSTACHE)
// Find all instances of template strings
const boundValues = textWithBindings.match(CAPTURE_VAR_INSIDE_TEMPLATE)
let result = textWithBindings
// Replace readableBindings with runtimeBindings
@ -22,7 +22,7 @@ export function runtimeToReadableBinding(bindableProperties, textWithBindings) {
let temp = textWithBindings
const boundValues =
(typeof textWithBindings === "string" &&
textWithBindings.match(CAPTURE_VAR_INSIDE_MUSTACHE)) ||
textWithBindings.match(CAPTURE_VAR_INSIDE_TEMPLATE)) ||
[]
// Replace runtimeBindings with readableBindings:

2
packages/builder/src/builderStore/uuid.js
View File

@ -1,6 +1,6 @@
export function uuid() {
// always want to make this start with a letter, as this makes it
// easier to use with mustache bindings in the client
// easier to use with template string bindings in the client
return "cxxxxxxxxxxxx4xxxyxxxxxxxxxxxxxxx".replace(/[xy]/g, c => {
const r = (Math.random() * 16) | 0,
v = c == "x" ? r : (r & 0x3) | 0x8

6
packages/builder/src/components/automation/AutomationBuilder/FlowChart/AutomationBlockTagline.svelte
View File

@ -1,5 +1,5 @@
<script>
import mustache from "mustache"
import { processStringSync } from "@budibase/string-templates"
import { get } from "lodash/fp"
import { backendUiStore } from "builderStore"
@ -54,8 +54,8 @@
}
})
// Fill in bindings with mustache
return mustache.render(formattedTagline, { inputs })
// Fill in bindings with templating library
return processStringSync(formattedTagline, { inputs })
}
</script>

8
packages/builder/src/components/common/Dropdowns/DropdownItem.svelte
View File

@ -56,7 +56,7 @@
}
.title {
font-weight: 400;
font-weight: 500;
}
.subtitle {
@ -65,6 +65,10 @@
}
i {
font-size: 16px;
padding: 0.5rem;
background-color: var(--grey-2);
font-size: 24px;
border-radius: var(--border-radius-s);
color: var(--ink);
}
</style>

16
packages/builder/src/components/userInterface/BindingPanel.svelte
View File

@ -1,12 +1,6 @@
<script>
import groupBy from "lodash/fp/groupBy"
import {
Button,
TextArea,
Drawer,
Heading,
Spacer,
} from "@budibase/bbui"
import { Button, TextArea, Drawer, Heading, Spacer } from "@budibase/bbui"
import { createEventDispatcher } from "svelte"
const dispatch = createEventDispatcher()
@ -38,7 +32,9 @@
<Heading extraSmall>Tables</Heading>
<ul>
{#each context as { readableBinding }}
<li on:click={() => addToText(readableBinding)}>{readableBinding}</li>
<li on:click={() => addToText(readableBinding)}>
{readableBinding}
</li>
{/each}
</ul>
{/if}
@ -46,7 +42,9 @@
<Heading extraSmall>Components</Heading>
<ul>
{#each instance as { readableBinding }}
<li on:click={() => addToText(readableBinding)}>{readableBinding}</li>
<li on:click={() => addToText(readableBinding)}>
{readableBinding}
</li>
{/each}
</ul>
{/if}

10
packages/builder/src/components/userInterface/IconSelect/IconSelect.svelte
View File

@ -1,9 +1,11 @@
<script context="module">
import iconData from "./icons.js"
const categories = Object.keys(iconData)
const icons = Object.keys(iconData).reduce((acc, cat) => [...acc, ...Object.keys(iconData[cat])], [])
const categories = Object.keys(iconData)
const icons = Object.keys(iconData).reduce(
(acc, cat) => [...acc, ...Object.keys(iconData[cat])],
[]
)
</script>
<script>
@ -285,4 +287,4 @@
.page-btn:hover {
cursor: pointer;
}
</style>
</style>

18
packages/builder/src/components/userInterface/PropertyControl.svelte
View File

@ -19,7 +19,7 @@
export let onChange = () => {}
let bindingDrawer
let temporaryBindableValue = value
let bindableProperties = []
let anchor
@ -103,20 +103,24 @@
</div>
<Drawer bind:this={bindingDrawer} title="Bindings">
<div slot="description"><Body extraSmall grey>Add the objects on the left to enrich your text.</Body></div>
<div slot="description">
<Body extraSmall grey>
Add the objects on the left to enrich your text.
</Body>
</div>
<heading slot="buttons">
<Button thin blue on:click={handleClose}>Save</Button>
</heading>
<div slot="body">
<BindingPanel {...handlevalueKey(value)}
close={handleClose}
on:update={e => (temporaryBindableValue = e.detail)}
{bindableProperties} />
<BindingPanel
{...handlevalueKey(value)}
close={handleClose}
on:update={e => (temporaryBindableValue = e.detail)}
{bindableProperties} />
</div>
</Drawer>
<style>
.property-control {
position: relative;
display: flex;

9
packages/builder/src/components/userInterface/TableViewSelect.svelte
View File

@ -1,5 +1,12 @@
<script>
import { Button, Icon, DropdownMenu, Spacer, Heading, Drawer } from "@budibase/bbui"
import {
Button,
Icon,
DropdownMenu,
Spacer,
Heading,
Drawer,
} from "@budibase/bbui"
import { createEventDispatcher } from "svelte"
import { store, backendUiStore, currentAsset } from "builderStore"
import { notifier } from "builderStore/store/notifications"

5
packages/builder/yarn.lock
View File

@ -5324,11 +5324,6 @@ ms@2.1.2, ms@^2.1.1:
resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.2.tgz#d09d1f357b443f493382a8eb3ccd183872ae6009"
integrity sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==
mustache@^4.0.1:
version "4.0.1"
resolved "https://registry.yarnpkg.com/mustache/-/mustache-4.0.1.tgz#d99beb031701ad433338e7ea65e0489416c854a2"
integrity sha512-yL5VE97+OXn4+Er3THSmTdCFCtx5hHWzrolvH+JObZnUYwuaG7XV+Ch4fR2cIrcYI0tFHxS7iyFYl14bW8y2sA==
nan@^2.12.1:
version "2.14.2"
resolved "https://registry.yarnpkg.com/nan/-/nan-2.14.2.tgz#f5376400695168f4cc694ac9393d0c9585eeea19"

2
packages/client/package.json
View File

@ -9,8 +9,8 @@
"dev:builder": "rollup -cw"
},
"dependencies": {
"@budibase/string-templates": "^0.5.3",
"deep-equal": "^2.0.1",
"mustache": "^4.0.1",
"regexparam": "^1.3.0",
"svelte-spa-router": "^3.0.5"
},

18
packages/client/src/components/Component.svelte
View File

@ -16,11 +16,14 @@
const componentStore = writable({})
setContext("component", componentStore)
// Enrich component props
let enrichedProps
$: enrichComponentProps(definition, $dataContext, $bindingStore)
// Extract component definition info
$: constructor = getComponentConstructor(definition._component)
$: children = definition._children
$: id = definition._id
$: enrichedProps = enrichProps(definition, $dataContext, $bindingStore)
$: styles = definition._styles
// Allow component selection in the builder preview if we're previewing a
@ -29,7 +32,11 @@
$builderStore.previewType === "layout" || screenslotContext
// Update component context
$: componentStore.set({ id, styles: { ...styles, id, allowSelection } })
$: componentStore.set({
id,
children: children.length,
styles: { ...styles, id, allowSelection },
})
// Gets the component constructor for the specified component
const getComponentConstructor = component => {
@ -38,6 +45,11 @@
return name === "screenslot" ? Router : ComponentLibrary[name]
}
// Enriches any string component props using handlebars
const enrichComponentProps = async (definition, context, bindingStore) => {
enrichedProps = await enrichProps(definition, context, bindingStore)
}
// Returns a unique key to let svelte know when to remount components.
// If a component is selected we want to remount it every time any props
// change.
@ -47,7 +59,7 @@
}
</script>
{#if constructor}
{#if constructor && enrichedProps}
<svelte:component this={constructor} {...enrichedProps}>
{#if children && children.length}
{#each children as child (getChildKey(child._id))}

19
packages/client/src/utils/buttonActions.js
View File

@ -5,26 +5,31 @@ import { saveRow, deleteRow, executeQuery, triggerAutomation } from "../api"
const saveRowHandler = async (action, context) => {
let draft = context[`${action.parameters.contextPath}_draft`]
if (action.parameters.fields) {
Object.entries(action.parameters.fields).forEach(([key, entry]) => {
draft[key] = enrichDataBinding(entry.value, context)
})
for (let [key, entry] of Object.entries(action.parameters.fields)) {
draft[key] = await enrichDataBinding(entry.value, context)
}
}
await saveRow(draft)
}
const deleteRowHandler = async (action, context) => {
const { tableId, revId, rowId } = action.parameters
const [enrichTable, enrichRow, enrichRev] = await Promise.all([
enrichDataBinding(tableId, context),
enrichDataBinding(rowId, context),
enrichDataBinding(revId, context),
])
await deleteRow({
tableId: enrichDataBinding(tableId, context),
rowId: enrichDataBinding(rowId, context),
revId: enrichDataBinding(revId, context),
tableId: enrichTable,
rowId: enrichRow,
revId: enrichRev,
})
}
const triggerAutomationHandler = async (action, context) => {
const params = {}
for (let field in action.parameters.fields) {
params[field] = enrichDataBinding(
params[field] = await enrichDataBinding(
action.parameters.fields[field].value,
context
)

4
packages/client/src/utils/componentProps.js
View File

@ -5,7 +5,7 @@ import { enrichButtonActions } from "./buttonActions"
* Enriches component props.
* Data bindings are enriched, and button actions are enriched.
*/
export const enrichProps = (props, dataContexts, dataBindings) => {
export const enrichProps = async (props, dataContexts, dataBindings) => {
// Exclude all private props that start with an underscore
let validProps = {}
Object.entries(props)
@ -24,7 +24,7 @@ export const enrichProps = (props, dataContexts, dataBindings) => {
}
// Enrich all data bindings in top level props
let enrichedProps = enrichDataBindings(validProps, context)
let enrichedProps = await enrichDataBindings(validProps, context)
// Enrich button actions if they exist
if (props._component.endsWith("/button") && enrichedProps.onClick) {

38
packages/client/src/utils/enrichDataBinding.js
View File

@ -1,46 +1,30 @@
import mustache from "mustache"
import { processString } from "@budibase/string-templates"
// this is a much more liberal version of mustache's escape function
// ...just ignoring < and > to prevent tags from user input
// original version here https://github.com/janl/mustache.js/blob/4b7908f5c9fec469a11cfaed2f2bed23c84e1c5c/mustache.js#L78
const entityMap = {
"<": "&lt;",
">": "&gt;",
}
mustache.escape = text => {
if (text == null || typeof text !== "string") {
return text
}
return text.replace(/[<>]/g, function fromEntityMap(s) {
return entityMap[s] || s
})
}
// Regex to test inputs with to see if they are likely candidates for mustache
const looksLikeMustache = /{{.*}}/
// Regex to test inputs with to see if they are likely candidates for template strings
const looksLikeTemplate = /{{.*}}/
/**
* Enriches a given input with a row from the database.
*/
export const enrichDataBinding = (input, context) => {
export const enrichDataBinding = async (input, context) => {
// Only accept string inputs
if (!input || typeof input !== "string") {
return input
}
// Do a fast regex check if this looks like a mustache string
if (!looksLikeMustache.test(input)) {
// Do a fast regex check if this looks like a template string
if (!looksLikeTemplate.test(input)) {
return input
}
return mustache.render(input, context)
return processString(input, context)
}
/**
* Enriches each prop in a props object
*/
export const enrichDataBindings = (props, context) => {
export const enrichDataBindings = async (props, context) => {
let enrichedProps = {}
Object.entries(props).forEach(([key, value]) => {
enrichedProps[key] = enrichDataBinding(value, context)
})
for (let [key, value] of Object.entries(props)) {
enrichedProps[key] = await enrichDataBinding(value, context)
}
return enrichedProps
}

5
packages/client/yarn.lock
View File

@ -1362,11 +1362,6 @@ minimatch@^3.0.4:
dependencies:
brace-expansion "^1.1.7"
mustache@^4.0.1:
version "4.0.1"
resolved "https://registry.yarnpkg.com/mustache/-/mustache-4.0.1.tgz#d99beb031701ad433338e7ea65e0489416c854a2"
integrity sha512-yL5VE97+OXn4+Er3THSmTdCFCtx5hHWzrolvH+JObZnUYwuaG7XV+Ch4fR2cIrcYI0tFHxS7iyFYl14bW8y2sA==
nwsapi@^2.2.0:
version "2.2.0"
resolved "https://registry.yarnpkg.com/nwsapi/-/nwsapi-2.2.0.tgz#204879a9e3d068ff2a55139c2c772780681a38b7"

3
packages/server/package.json
View File

@ -51,6 +51,7 @@
"dependencies": {
"@elastic/elasticsearch": "^7.10.0",
"@budibase/client": "^0.5.3",
"@budibase/string-templates": "^0.5.3",
"@koa/router": "^8.0.0",
"@sendgrid/mail": "^7.1.1",
"@sentry/node": "^5.19.2",
@ -67,7 +68,6 @@
"electron-util": "^0.14.2",
"fix-path": "^3.0.0",
"fs-extra": "^8.1.0",
"handlebars": "^4.7.6",
"jimp": "^0.16.1",
"joi": "^17.2.1",
"jsonschema": "^1.4.0",
@ -82,7 +82,6 @@
"lodash": "^4.17.13",
"mongodb": "^3.6.3",
"mssql": "^6.2.3",
"mustache": "^4.0.1",
"node-fetch": "^2.6.0",
"open": "^7.3.0",
"pg": "^8.5.1",

5
packages/server/src/api/controllers/application.js
View File

@ -29,7 +29,7 @@ const {
createLoginScreen,
} = require("../../constants/screens")
const { cloneDeep } = require("lodash/fp")
const { recurseMustache } = require("../../utilities/mustache")
const { processObject } = require("@budibase/string-templates")
const { getAllApps } = require("../../utilities")
const { USERS_TABLE_SCHEMA } = require("../../constants")
const {
@ -232,8 +232,7 @@ const createEmptyAppPackage = async (ctx, app) => {
let screensAndLayouts = []
for (let layout of BASE_LAYOUTS) {
const cloned = cloneDeep(layout)
cloned.title = app.name
screensAndLayouts.push(recurseMustache(cloned, app))
screensAndLayouts.push(await processObject(cloned, app))
}
const homeScreen = createHomeScreen(app)

9
packages/server/src/api/controllers/static/index.js
View File

@ -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 { processString } = require("@budibase/string-templates")
const {
budibaseAppsDir,
budibaseTempDir,
@ -176,11 +176,8 @@ 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 = await processString(appHbs, {
head,
body: html,
style: css.code,

4
packages/server/src/api/controllers/static/templates/BudibaseApp.svelte
View File

@ -22,7 +22,9 @@
<title>{title}</title>
<link rel="icon" type="image/png" href={favicon} />
<link rel="stylesheet" href="https://rsms.me/inter/inter.css" />
<link href="https://cdn.jsdelivr.net/npm/remixicon@2.5.0/fonts/remixicon.css" rel="stylesheet">
<link
href="https://cdn.jsdelivr.net/npm/remixicon@2.5.0/fonts/remixicon.css"
rel="stylesheet" />
<style>
html,
body {

15
packages/server/src/automations/automationUtils.js
View File

@ -1,10 +1,11 @@
const CouchDB = require("../db")
/**
* When values are input to the system generally they will be of type string as this is required for mustache. This can
* generate some odd scenarios as the Schema of the automation requires a number but the builder might supply a string
* with mustache syntax to get the number from the rest of the context. To support this the server has to make sure that
* the post mustache statement can be cast into the correct type, this function does this for numbers and booleans.
* When values are input to the system generally they will be of type string as this is required for template strings.
* This can generate some odd scenarios as the Schema of the automation requires a number but the builder might supply
* a string with template syntax to get the number from the rest of the context. To support this the server has to
* make sure that the post template statement can be cast into the correct type, this function does this for numbers
* and booleans.
*
* @param {object} inputs An object of inputs, please note this will not recurse down into any objects within, it simply
* cleanses the top level inputs, however it can be used by recursively calling it deeper into the object structures if
@ -54,7 +55,7 @@ module.exports.cleanInputValues = (inputs, schema) => {
*
* @param {string} appId The instance which the Table/Table is contained under.
* @param {string} tableId The ID of the Table/Table which the schema is to be retrieved for.
* @param {object} row The input row structure which requires clean-up after having been through mustache statements.
* @param {object} row The input row structure which requires clean-up after having been through template statements.
* @returns {Promise<Object>} The cleaned up rows object, will should now have all the required primitive types.
*/
module.exports.cleanUpRow = async (appId, tableId, row) => {
@ -66,11 +67,11 @@ module.exports.cleanUpRow = async (appId, tableId, row) => {
/**
* A utility function for the cleanUpRow, which can be used if only the row ID is known (not the table ID) to clean
* up a row after mustache statements have been replaced. This is specifically useful for the update row action.
* up a row after template statements have been replaced. This is specifically useful for the update row action.
*
* @param {string} appId The instance which the Table/Table is contained under.
* @param {string} rowId The ID of the row from which the tableId will be extracted, to get the Table/Table schema.
* @param {object} row The input row structure which requires clean-up after having been through mustache statements.
* @param {object} row The input row structure which requires clean-up after having been through template statements.
* @returns {Promise<Object>} The cleaned up rows object, which will now have all the required primitive types.
*/
module.exports.cleanUpRowById = async (appId, rowId, row) => {

11
packages/server/src/automations/thread.js
View File

@ -1,13 +1,8 @@
const handlebars = require("handlebars")
const actions = require("./actions")
const logic = require("./logic")
const automationUtils = require("./automationUtils")
const AutomationEmitter = require("../events/AutomationEmitter")
const { recurseMustache } = require("../utilities/mustache")
handlebars.registerHelper("object", value => {
return new handlebars.SafeString(JSON.stringify(value))
})
const { processObject } = require("@budibase/string-templates")
const FILTER_STEP_ID = logic.BUILTIN_DEFINITIONS.FILTER.stepId
@ -24,7 +19,7 @@ class Orchestrator {
// remove from context
delete triggerOutput.appId
delete triggerOutput.metadata
// step zero is never used as the mustache is zero indexed for customer facing
// step zero is never used as the template string is zero indexed for customer facing
this._context = { steps: [{}], trigger: triggerOutput }
this._automation = automation
// create an emitter which has the chain count for this automation run in it, so it can block
@ -49,7 +44,7 @@ class Orchestrator {
let automation = this._automation
for (let step of automation.definition.steps) {
let stepFn = await this.getStepFunctionality(step.type, step.stepId)
step.inputs = recurseMustache(step.inputs, this._context)
step.inputs = await processObject(step.inputs, this._context)
step.inputs = automationUtils.cleanInputValues(
step.inputs,
step.schema.inputs

2
packages/server/src/events/index.js
View File

@ -9,7 +9,7 @@ const { rowEmission, tableEmission } = require("./utils")
/**
* Extending the standard emitter to some syntactic sugar and standardisation to the emitted event.
* This is specifically quite important for mustache used in automations.
* This is specifically quite important for template strings used in automations.
*/
class BudibaseEmitter extends EventEmitter {
emitRow(eventName, appId, row, table = null) {

2
packages/server/src/integrations/postgres.js
View File

@ -18,7 +18,7 @@ const SCHEMA = {
default: "postgres",
required: true,
},
username: {
user: {
type: "string",
default: "root",
required: true,

5
packages/server/src/utilities/initialiseBudibase.js
View File

@ -1,6 +1,6 @@
const { existsSync, readFile, writeFile, ensureDir } = require("fs-extra")
const { join, resolve } = require("./centralPath")
const handlebars = require("handlebars")
const { processString } = require("@budibase/string-templates")
const uuid = require("uuid")
module.exports = async opts => {
@ -31,8 +31,7 @@ const createDevEnvFile = async opts => {
}
)
opts.cookieKey1 = opts.cookieKey1 || uuid.v4()
const envTemplate = handlebars.compile(template)
const config = envTemplate(opts)
const config = await processString(template, opts)
await writeFile(destConfigFile, config, { flag: "w+" })
}
}

73
packages/server/src/utilities/mustache.js
View File

@ -1,73 +0,0 @@
const handlebars = require("handlebars")
handlebars.registerHelper("object", value => {
return new handlebars.SafeString(JSON.stringify(value))
})
/**
* When running mustache statements to execute on the context of the automation it possible user's may input mustache
* in a few different forms, some of which are invalid but are logically valid. An example of this would be the mustache
* statement "{{steps[0].revision}}" here it is obvious the user is attempting to access an array or object using array
* like operators. These are not supported by Mustache and therefore the statement will fail. This function will clean up
* the mustache statement so it instead reads as "{{steps.0.revision}}" which is valid and will work. It may also be expanded
* to include any other mustache statement cleanup that has been deemed necessary for the system.
*
* @param {string} string The string which *may* contain mustache statements, it is OK if it does not contain any.
* @returns {string} The string that was input with cleaned up mustache statements as required.
*/
function cleanMustache(string) {
let charToReplace = {
"[": ".",
"]": "",
}
let regex = new RegExp(/{{[^}}]*}}/g)
let matches = string.match(regex)
if (matches == null) {
return string
}
for (let match of matches) {
let baseIdx = string.indexOf(match)
for (let key of Object.keys(charToReplace)) {
let idxChar = match.indexOf(key)
if (idxChar !== -1) {
string =
string.slice(baseIdx, baseIdx + idxChar) +
charToReplace[key] +
string.slice(baseIdx + idxChar + 1)
}
}
}
return string
}
/**
* Given an input object this will recurse through all props to try and update
* any handlebars/mustache statements within.
* @param {object|array} inputs The input structure which is to be recursed, it is important to note that
* if the structure contains any cycles then this will fail.
* @param {object} context The context that handlebars should fill data from.
* @returns {object|array} The structure input, as fully updated as possible.
*/
function recurseMustache(inputs, context) {
// JSON stringify will fail if there are any cycles, stops infinite recursion
try {
JSON.stringify(inputs)
} catch (err) {
throw "Unable to process inputs to JSON, cannot recurse"
}
for (let key of Object.keys(inputs)) {
let val = inputs[key]
if (typeof val === "string") {
val = cleanMustache(inputs[key])
const template = handlebars.compile(val)
inputs[key] = template(context)
}
// this covers objects and arrays
else if (typeof val === "object") {
inputs[key] = recurseMustache(inputs[key], context)
}
}
return inputs
}
exports.recurseMustache = recurseMustache

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18
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@ -1,15 +1,19 @@
<script>
import { getContext } from "svelte"
// Add this back once we can define specific design options to expose
// const { styleable } = getContext("sdk")
// const component = getContext("component")
const { styleable } = getContext("sdk")
const component = getContext("component")
export let icon = ""
export let size = "fa-lg"
export let color = "#000"
export let color = "#f00"
$: styles = {
...$component.styles,
normal: {
...$component.styles.normal,
color,
},
}
</script>
<i
style={`color: ${color};`}
class={`${icon} ${size}`} />
<i use:styleable={styles} class="{icon} {size}" />

28
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@ -24,9 +24,27 @@
</script>
<div use:styleable={$component.styles}>
{#each rows as row}
<DataProvider {row}>
<slot />
</DataProvider>
{/each}
{#if rows.length > 0}
{#each rows as row}
<DataProvider {row}>
{#if $component.children === 0}
<p>Add some components too.</p>
{:else}
<slot />
{/if}
</DataProvider>
{/each}
{:else}
<p>Feed me some data</p>
{/if}
</div>
<style>
p {
display: grid;
place-items: center;
background: #f5f5f5;
border: #ccc 1px solid;
padding: var(--spacing-m);
}
</style>

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{
"globals": {
"emit": true,
"key": true
},
"env": {
"node": true
},
"extends": ["eslint:recommended"],
"rules": {
}
}

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dist/
node_modules/

194
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/*
* For a detailed explanation regarding each configuration property, visit:
* https://jestjs.io/docs/en/configuration.html
*/
module.exports = {
// All imported modules in your tests should be mocked automatically
// automock: false,
// Stop running tests after `n` failures
// bail: 0,
// The directory where Jest should store its cached dependency information
// cacheDirectory: "/tmp/jest_rs",
// Automatically clear mock calls and instances between every test
clearMocks: true,
// Indicates whether the coverage information should be collected while executing the test
// collectCoverage: false,
// An array of glob patterns indicating a set of files for which coverage information should be collected
// collectCoverageFrom: undefined,
// The directory where Jest should output its coverage files
coverageDirectory: "coverage",
// An array of regexp pattern strings used to skip coverage collection
// coveragePathIgnorePatterns: [
// "/node_modules/"
// ],
// Indicates which provider should be used to instrument code for coverage
coverageProvider: "v8",
// A list of reporter names that Jest uses when writing coverage reports
// coverageReporters: [
// "json",
// "text",
// "lcov",
// "clover"
// ],
// An object that configures minimum threshold enforcement for coverage results
// coverageThreshold: undefined,
// A path to a custom dependency extractor
// dependencyExtractor: undefined,
// Make calling deprecated APIs throw helpful error messages
// errorOnDeprecated: false,
// Force coverage collection from ignored files using an array of glob patterns
// forceCoverageMatch: [],
// A path to a module which exports an async function that is triggered once before all test suites
// globalSetup: undefined,
// A path to a module which exports an async function that is triggered once after all test suites
// globalTeardown: undefined,
// A set of global variables that need to be available in all test environments
// globals: {},
// The maximum amount of workers used to run your tests. Can be specified as % or a number. E.g. maxWorkers: 10% will use 10% of your CPU amount + 1 as the maximum worker number. maxWorkers: 2 will use a maximum of 2 workers.
// maxWorkers: "50%",
// An array of directory names to be searched recursively up from the requiring module's location
// moduleDirectories: [
// "node_modules"
// ],
// An array of file extensions your modules use
// moduleFileExtensions: [
// "js",
// "json",
// "jsx",
// "ts",
// "tsx",
// "node"
// ],
// A map from regular expressions to module names or to arrays of module names that allow to stub out resources with a single module
// moduleNameMapper: {},
// An array of regexp pattern strings, matched against all module paths before considered 'visible' to the module loader
// modulePathIgnorePatterns: [],
// Activates notifications for test results
// notify: false,
// An enum that specifies notification mode. Requires { notify: true }
// notifyMode: "failure-change",
// A preset that is used as a base for Jest's configuration
// preset: undefined,
// Run tests from one or more projects
// projects: undefined,
// Use this configuration option to add custom reporters to Jest
// reporters: undefined,
// Automatically reset mock state between every test
// resetMocks: false,
// Reset the module registry before running each individual test
// resetModules: false,
// A path to a custom resolver
// resolver: undefined,
// Automatically restore mock state between every test
// restoreMocks: false,
// The root directory that Jest should scan for tests and modules within
// rootDir: undefined,
// A list of paths to directories that Jest should use to search for files in
// roots: [
// "<rootDir>"
// ],
// Allows you to use a custom runner instead of Jest's default test runner
// runner: "jest-runner",
// The paths to modules that run some code to configure or set up the testing environment before each test
// setupFiles: [],
// A list of paths to modules that run some code to configure or set up the testing framework before each test
// setupFilesAfterEnv: [],
// The number of seconds after which a test is considered as slow and reported as such in the results.
// slowTestThreshold: 5,
// A list of paths to snapshot serializer modules Jest should use for snapshot testing
// snapshotSerializers: [],
// The test environment that will be used for testing
testEnvironment: "node",
// Options that will be passed to the testEnvironment
// testEnvironmentOptions: {},
// Adds a location field to test results
// testLocationInResults: false,
// The glob patterns Jest uses to detect test files
// testMatch: [
// "**/__tests__/**/*.[jt]s?(x)",
// "**/?(*.)+(spec|test).[tj]s?(x)"
// ],
// An array of regexp pattern strings that are matched against all test paths, matched tests are skipped
// testPathIgnorePatterns: [
// "/node_modules/"
// ],
// The regexp pattern or array of patterns that Jest uses to detect test files
// testRegex: [],
// This option allows the use of a custom results processor
// testResultsProcessor: undefined,
// This option allows use of a custom test runner
// testRunner: "jasmine2",
// This option sets the URL for the jsdom environment. It is reflected in properties such as location.href
// testURL: "http://localhost",
// Setting this value to "fake" allows the use of fake timers for functions such as "setTimeout"
// timers: "real",
// A map from regular expressions to paths to transformers
// transform: undefined,
// An array of regexp pattern strings that are matched against all source file paths, matched files will skip transformation
// transformIgnorePatterns: [
// "/node_modules/",
// "\\.pnp\\.[^\\/]+$"
// ],
// An array of regexp pattern strings that are matched against all modules before the module loader will automatically return a mock for them
// unmockedModulePathPatterns: undefined,
// Indicates whether each individual test should be reported during the run
// verbose: undefined,
// An array of regexp patterns that are matched against all source file paths before re-running tests in watch mode
// watchPathIgnorePatterns: [],
// Whether to use watchman for file crawling
// watchman: true,
}

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{
"name": "@budibase/string-templates",
"version": "0.5.3",
"description": "Handlebars wrapper for Budibase templating.",
"main": "dist/bundle.js",
"module": "dist/bundle.js",
"license": "AGPL-3.0",
"types": "dist/index.d.ts",
"scripts": {
"build": "tsc && rollup -c",
"dev:builder": "tsc && rollup -cw",
"test": "jest"
},
"dependencies": {
"handlebars": "^4.7.6",
"handlebars-helpers": "^0.10.0",
"handlebars-utils": "^1.0.6",
"helper-date": "^1.0.1",
"lodash": "^4.17.20"
},
"devDependencies": {
"@rollup/plugin-json": "^4.1.0",
"jest": "^26.6.3",
"rollup": "^2.36.2",
"rollup-plugin-commonjs": "^10.1.0",
"rollup-plugin-node-builtins": "^2.1.2",
"rollup-plugin-node-globals": "^1.4.0",
"rollup-plugin-node-resolve": "^5.2.0",
"typescript": "^4.1.3"
}
}

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import commonjs from "rollup-plugin-commonjs"
import resolve from "rollup-plugin-node-resolve"
import builtins from "rollup-plugin-node-builtins"
import globals from "rollup-plugin-node-globals"
import json from "@rollup/plugin-json"
export default {
input: "src/index.js",
output: [
{
sourcemap: true,
format: "umd",
file: "./dist/bundle.js",
name: "string-templates",
exports: "named",
},
],
plugins: [
resolve({
preferBuiltins: true,
browser: true,
}),
commonjs(),
globals(),
builtins(),
json(),
],
}

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class Helper {
constructor(name, fn) {
this.name = name
this.fn = fn
}
register(handlebars) {
// wrap the function so that no helper can cause handlebars to break
handlebars.registerHelper(this.name, value => {
return this.fn(value) || value
})
}
unregister(handlebars) {
handlebars.unregisterHelper(this.name)
}
}
module.exports = Helper

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module.exports.HelperFunctionBuiltin = [
"#if",
"#unless",
"#each",
"#with",
"lookup",
"log",
"blockHelperMissing",
"each",
"helperMissing",
"if",
"unless",
"log",
"lookup",
"with",
]
module.exports.HelperFunctionNames = {
OBJECT: "object",
ALL: "all",
}

56
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const helpers = require("handlebars-helpers")
const dateHelper = require("helper-date")
const { HelperFunctionBuiltin } = require("./constants")
/**
* full list of supported helpers can be found here:
* https://github.com/helpers/handlebars-helpers
*/
const EXTERNAL_FUNCTION_COLLECTIONS = [
"math",
"array",
"number",
"url",
"string",
"markdown",
]
const DATE_NAME = "date"
exports.registerAll = handlebars => {
handlebars.registerHelper(DATE_NAME, dateHelper)
let externalNames = []
for (let collection of EXTERNAL_FUNCTION_COLLECTIONS) {
// collect information about helper
let hbsHelperInfo = helpers[collection]()
for (let entry of Object.entries(hbsHelperInfo)) {
const name = entry[0]
// skip built in functions and ones seen already
if (
HelperFunctionBuiltin.indexOf(name) !== -1 ||
externalNames.indexOf(name) !== -1
) {
continue
}
externalNames.push(name)
}
// attach it to our handlebars instance
helpers[collection]({
handlebars,
})
}
// add date external functionality
externalNames.push(DATE_NAME)
exports.externalHelperNames = externalNames
}
exports.unregisterAll = handlebars => {
handlebars.unregisterHelper(DATE_NAME)
for (let name of module.exports.externalHelperNames) {
handlebars.unregisterHelper(name)
}
exports.externalHelperNames = []
}
exports.externalHelperNames = []

53
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const Helper = require("./Helper")
const { SafeString } = require("handlebars")
const externalHandlebars = require("./external")
const { HelperFunctionNames, HelperFunctionBuiltin } = require("./constants")
const HTML_SWAPS = {
"<": "&lt;",
">": "&gt;",
}
const HELPERS = [
// external helpers
new Helper(HelperFunctionNames.OBJECT, value => {
return new SafeString(JSON.stringify(value))
}),
// this help is applied to all statements
new Helper(HelperFunctionNames.ALL, value => {
// null/undefined values produce bad results
if (value == null) {
return ""
}
let text = new SafeString(unescape(value).replace(/&amp;/g, "&"))
if (text == null || typeof text !== "string") {
return text
}
return text.replace(/[<>]/g, tag => {
return HTML_SWAPS[tag] || tag
})
}),
]
module.exports.HelperNames = () => {
return Object.values(HelperFunctionNames).concat(
HelperFunctionBuiltin,
externalHandlebars.externalHelperNames
)
}
module.exports.registerAll = handlebars => {
for (let helper of HELPERS) {
helper.register(handlebars)
}
// register imported helpers
externalHandlebars.registerAll(handlebars)
}
module.exports.unregisterAll = handlebars => {
for (let helper of HELPERS) {
helper.unregister(handlebars)
}
// unregister all imported helpers
externalHandlebars.unregisterAll(handlebars)
}

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const handlebars = require("handlebars")
const { registerAll } = require("./helpers/index")
const processors = require("./processors")
const { cloneDeep } = require("lodash/fp")
const { removeNull } = require("./utilities")
const hbsInstance = handlebars.create()
registerAll(hbsInstance)
/**
* utility function to check if the object is valid
*/
function testObject(object) {
// JSON stringify will fail if there are any cycles, stops infinite recursion
try {
JSON.stringify(object)
} catch (err) {
throw "Unable to process inputs to JSON, cannot recurse"
}
}
/**
* Given an input object this will recurse through all props to try and update any handlebars statements within.
* @param {object|array} object The input structure which is to be recursed, it is important to note that
* if the structure contains any cycles then this will fail.
* @param {object} context The context that handlebars should fill data from.
* @returns {Promise<object|array>} The structure input, as fully updated as possible.
*/
module.exports.processObject = async (object, context) => {
testObject(object)
for (let key of Object.keys(object)) {
if (object[key] != null) {
let val = object[key]
if (typeof val === "string") {
object[key] = await module.exports.processString(object[key], context)
} else if (typeof val === "object") {
object[key] = await module.exports.processObject(object[key], context)
}
}
}
return object
}
/**
* This will process a single handlebars containing string. If the string passed in has no valid handlebars statements
* then nothing will occur.
* @param {string} string The template string which is the filled from the context object.
* @param {object} context An object of information which will be used to enrich the string.
* @returns {Promise<string>} The enriched string, all templates should have been replaced if they can be.
*/
module.exports.processString = async (string, context) => {
// TODO: carry out any async calls before carrying out async call
return module.exports.processStringSync(string, context)
}
/**
* Given an input object this will recurse through all props to try and update any handlebars statements within. This is
* a pure sync call and therefore does not have the full functionality of the async call.
* @param {object|array} object The input structure which is to be recursed, it is important to note that
* if the structure contains any cycles then this will fail.
* @param {object} context The context that handlebars should fill data from.
* @returns {object|array} The structure input, as fully updated as possible.
*/
module.exports.processObjectSync = (object, context) => {
testObject(object)
for (let key of Object.keys(object)) {
let val = object[key]
if (typeof val === "string") {
object[key] = module.exports.processStringSync(object[key], context)
} else if (typeof val === "object") {
object[key] = module.exports.processObjectSync(object[key], context)
}
}
return object
}
/**
* This will process a single handlebars containing string. If the string passed in has no valid handlebars statements
* then nothing will occur. This is a pure sync call and therefore does not have the full functionality of the async call.
* @param {string} string The template string which is the filled from the context object.
* @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.processStringSync = (string, context) => {
const clonedContext = removeNull(cloneDeep(context))
// remove any null/undefined properties
if (typeof string !== "string") {
throw "Cannot process non-string types."
}
let template
string = processors.preprocess(string)
// this does not throw an error when template can't be fulfilled, have to try correct beforehand
template = hbsInstance.compile(string)
return processors.postprocess(template(clonedContext))
}
/**
* Errors can occur if a user of this library attempts to use a helper that has not been added to the system, these errors
* can be captured to alert the user of the mistake.
* @param {function} handler a function which will be called every time an error occurs when processing a handlebars
* statement.
*/
module.exports.errorEvents = handler => {
hbsInstance.registerHelper("helperMissing", handler)
}

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const { FIND_HBS_REGEX } = require("../utilities")
const preprocessor = require("./preprocessor")
const postprocessor = require("./postprocessor")
function process(string, processors) {
for (let processor of processors) {
// re-run search each time incase previous processor updated/removed a match
let regex = new RegExp(FIND_HBS_REGEX)
let matches = string.match(regex)
if (matches == null) {
continue
}
for (let match of matches) {
string = processor.process(string, match)
}
}
return string
}
module.exports.preprocess = string => {
return process(string, preprocessor.processors)
}
module.exports.postprocess = string => {
return process(string, postprocessor.processors)
}

9
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/* eslint-disable no-unused-vars */
class Postprocessor {
constructor(name, fn) {
this.name = name
this.fn = fn
}
}
module.exports.processors = []

88
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const { HelperNames } = require("../helpers")
const { swapStrings, isAlphaNumeric } = require("../utilities")
const PreprocessorNames = {
SWAP_TO_DOT: "swap-to-dot-notation",
HANDLE_SPACES: "handle-spaces-in-properties",
FINALISE: "finalise",
}
/* eslint-disable no-unused-vars */
class Preprocessor {
constructor(name, fn) {
this.name = name
this.fn = fn
}
process(fullString, statement) {
const output = this.fn(statement)
const idx = fullString.indexOf(statement)
return swapStrings(fullString, idx, statement.length, output)
}
}
module.exports.processors = [
new Preprocessor(PreprocessorNames.SWAP_TO_DOT, statement => {
let startBraceIdx = statement.indexOf("[")
let lastIdx = 0
while (startBraceIdx !== -1) {
// if the character previous to the literal specifier is alpha-numeric this should happen
if (isAlphaNumeric(statement.charAt(startBraceIdx - 1))) {
statement = swapStrings(statement, startBraceIdx + lastIdx, 1, ".[")
}
lastIdx = startBraceIdx + 1
startBraceIdx = statement.substring(lastIdx + 1).indexOf("[")
}
return statement
}),
new Preprocessor(PreprocessorNames.HANDLE_SPACES, statement => {
// exclude helpers and brackets, regex will only find double brackets
const exclusions = HelperNames()
// find all the parts split by spaces
const splitBySpaces = statement
.split(" ")
.filter(el => el !== "{{" && el !== "}}")
// remove braces if they are found and weren't spaced out
splitBySpaces[0] = splitBySpaces[0].replace("{", "")
splitBySpaces[splitBySpaces.length - 1] = splitBySpaces[
splitBySpaces.length - 1
].replace("}", "")
// remove the excluded elements
const propertyParts = splitBySpaces.filter(
part => exclusions.indexOf(part) === -1
)
// rebuild to get the full property
const fullProperty = propertyParts.join(" ")
// now work out the dot notation layers and split them up
const propertyLayers = fullProperty.split(".")
// find the layers which need to be wrapped and wrap them
for (let layer of propertyLayers) {
if (layer.indexOf(" ") !== -1) {
statement = swapStrings(
statement,
statement.indexOf(layer),
layer.length,
`[${layer}]`
)
}
}
// remove the edge case of double brackets being entered (in-case user already has specified)
return statement.replace(/\[\[/g, "[").replace(/]]/g, "]")
}),
new Preprocessor(Preprocessor.FINALISE, statement => {
let insideStatement = statement.slice(2, statement.length - 2)
if (insideStatement.charAt(0) === " ") {
insideStatement = insideStatement.slice(1)
}
if (insideStatement.charAt(insideStatement.length - 1) === " ") {
insideStatement = insideStatement.slice(0, insideStatement.length - 1)
}
const possibleHelper = insideStatement.split(" ")[0]
if (HelperNames().some(option => possibleHelper === option)) {
insideStatement = `(${insideStatement})`
}
return `{{ all ${insideStatement} }}`
}),
]

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const ALPHA_NUMERIC_REGEX = /^[A-Za-z0-9]+$/g
module.exports.FIND_HBS_REGEX = /{{([^{}])+}}/g
module.exports.isAlphaNumeric = char => {
return char.match(ALPHA_NUMERIC_REGEX)
}
module.exports.swapStrings = (string, start, length, swap) => {
return string.slice(0, start) + swap + string.slice(start + length)
}
// removes null and undefined
module.exports.removeNull = obj => {
return Object.fromEntries(
Object.entries(obj)
.filter(entry => entry[1] != null)
.map(([key, value]) => [
key,
value === Object(value) ? module.exports.removeNull(value) : value,
])
)
}

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const {
processObject,
processString,
} = require("../src/index")
describe("Test that the string processing works correctly", () => {
it("should process a basic template string", async () => {
const output = await processString("templating is {{ adjective }}", {
adjective: "easy"
})
expect(output).toBe("templating is easy")
})
it("should process a literal template", async () => {
const output = await processString("derp is {{{ adjective }}}", {
adjective: "derp"
})
expect(output).toBe("derp is derp")
})
it("should fail gracefully when wrong type passed in", async () => {
let error = null
try {
await processString(null, null)
} catch (err) {
error = err
}
expect(error).not.toBeNull()
})
it("confirm that null properties are handled correctly", async () => {
const output = await processString("hello {{ name }} I am {{ name2 }}", {
name: undefined,
name2: null,
})
expect(output).toBe("hello I am ")
})
})
describe("Test that the object processing works correctly", () => {
it("should be able to process an object with some template strings", async () => {
const output = await processObject({
first: "thing is {{ adjective }}",
second: "thing is bad",
third: "we are {{ adjective }} {{ noun }}",
}, {
adjective: "easy",
noun: "people",
})
expect(output.first).toBe("thing is easy")
expect(output.second).toBe("thing is bad")
expect(output.third).toBe("we are easy people")
})
it("should be able to handle arrays of string templates", async () => {
const output = await processObject(["first {{ noun }}", "second {{ noun }}"], {
noun: "person"
})
expect(output[0]).toBe("first person")
expect(output[1]).toBe("second person")
})
it("should fail gracefully when object passed in has cycles", async () => {
let error = null
try {
const innerObj = { a: "thing {{ a }}" }
innerObj.b = innerObj
await processObject(innerObj, { a: 1 })
} catch (err) {
error = err
}
expect(error).not.toBeNull()
})
it("should fail gracefully when wrong type is passed in", async () => {
let error = null
try {
await processObject(null, null)
} catch (err) {
error = err
}
expect(error).not.toBeNull()
})
})

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const {
processString,
} = require("../src/index")
describe("Handling context properties with spaces in their name", () => {
it("should allow through literal specifiers", async () => {
const output = await processString("test {{ [test thing] }}", {
"test thing": 1
})
expect(output).toBe("test 1")
})
it("should convert to dot notation where required", async () => {
const output = await processString("test {{ test[0] }}", {
test: [2]
})
expect(output).toBe("test 2")
})
it("should be able to handle a property with a space in its name", async () => {
const output = await processString("hello my name is {{ person name }}", {
"person name": "Mike",
})
expect(output).toBe("hello my name is Mike")
})
it("should be able to handle an object with layers that requires escaping", async () => {
const output = await processString("testcase {{ testing.test case }}", {
testing: {
"test case": 1
}
})
expect(output).toBe("testcase 1")
})
})
describe("attempt some complex problems", () => {
it("should be able to handle a very complex handlebars statement", async () => {
const context = {
"New Repeater": {
"Get Actors": {
"first_name": "Bob",
"last_name": "Bobert"
},
},
}
const hbs = "{{ New Repeater.Get Actors.first_name }} {{ New Repeater.Get Actors.last_name }}"
const output = await processString(hbs, context)
expect(output).toBe("Bob Bobert")
})
})

13
packages/string-templates/test/helpers.spec.js Normal file
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@ -0,0 +1,13 @@
const {
processString,
} = require("../src/index")
describe("test the custom helpers we have applied", () => {
it("should be able to use the object helper", async () => {
const output = await processString("object is {{ object obj }}", {
obj: { a: 1 },
})
expect(output).toBe("object is {\"a\":1}")
})
})

33
packages/string-templates/test/renderApp.spec.js Normal file
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@ -0,0 +1,33 @@
const { processString } = require("../src/index")
describe("specific test case for whether or not full app template can still be rendered", () => {
it("should be able to render the app template", async () => {
const template =
`<!doctype html>
<html>
<head>
{{{head}}}
</head>
<script>
window["##BUDIBASE_APP_ID##"] = "{{appId}}"
</script>
{{{body}}}
</html>`
const context = {
appId: "App1",
head: "<title>App</title>",
body: "<body><p>App things</p></body>"
}
const output = await processString(template, context)
expect(output).toBe(`<!doctype html>
<html>
<head>
<title>App</title>
</head>
<script>
window["##BUDIBASE_APP_ID##"] = "App1"
</script>
<body><p>App things</p></body>
</html>`)
})
})

10
packages/string-templates/tsconfig.json Normal file
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@ -0,0 +1,10 @@
{
"include": ["src/**/*"],
"compilerOptions": {
"allowJs": true,
"declaration": true,
"emitDeclarationOnly": true,
"outDir": "dist"
}
}

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12
packages/worker/.eslintrc Normal file
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@ -0,0 +1,12 @@
{
"globals": {
"emit": true,
"key": true
},
"env": {
"node": true
},
"extends": ["eslint:recommended"],
"rules": {
}
}

4
scripts/symlinkDev.js
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@ -35,6 +35,10 @@ const SYMLINK_PATHS = [
symlink: `${devDir}/budibase-client.js.map`,
destination: resolve("packages/client/dist/budibase-client.js.map"),
},
{
symlink: `${devDir}/@budibase/string-templates`,
destination: resolve("packages/string-templates"),
},
]
SYMLINK_PATHS.forEach(sym => {