forked from MapComplete/MapComplete
387 lines
13 KiB
TypeScript
387 lines
13 KiB
TypeScript
import { appendFileSync, existsSync, mkdirSync, readFileSync, writeFile, writeFileSync } from "fs"
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import Locale from "../UI/i18n/Locale"
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import Translations from "../UI/i18n/Translations"
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import { Translation } from "../UI/i18n/Translation"
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import all_known_layouts from "../assets/generated/known_themes.json"
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import { LayoutConfigJson } from "../Models/ThemeConfig/Json/LayoutConfigJson"
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import LayoutConfig from "../Models/ThemeConfig/LayoutConfig"
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import xml2js from "xml2js"
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import ScriptUtils from "./ScriptUtils"
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import { Utils } from "../Utils"
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const sharp = require("sharp")
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const template = readFileSync("theme.html", "utf8")
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const codeTemplate = readFileSync("index_theme.ts.template", "utf8")
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function enc(str: string): string {
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return encodeURIComponent(str.toLowerCase())
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}
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async function createIcon(iconPath: string, size: number, alreadyWritten: string[]) {
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let name = iconPath.split(".").slice(0, -1).join(".") // drop svg suffix
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if (name.startsWith("./")) {
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name = name.substr(2)
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}
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const newname = `assets/generated/images/${name.replace(/\//g, "_")}${size}.png`
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const targetpath = `public/${newname}`
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if (alreadyWritten.indexOf(newname) >= 0) {
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return newname
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}
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alreadyWritten.push(newname)
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if (existsSync(targetpath)) {
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return newname
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}
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if (!existsSync(iconPath)) {
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throw "No file at " + iconPath
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}
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try {
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// We already read to file, in order to crash here if the file is not found
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let img = await sharp(iconPath)
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let resized = await img.resize(size)
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await resized.toFile(targetpath)
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console.log("Created png version at ", newname)
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} catch (e) {
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console.error("Could not read icon", iconPath, " to create a PNG due to", e)
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}
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return newname
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}
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async function createSocialImage(layout: LayoutConfig, template: "" | "Wide"): Promise<string> {
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if (!layout.icon.endsWith(".svg")) {
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console.warn(
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"Not creating a social image for " +
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layout.id +
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" as it is _not_ a .svg: " +
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layout.icon
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)
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return undefined
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}
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const path = `./public/assets/generated/images/social_image_${layout.id}_${template}.svg`
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if (existsSync(path)) {
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return path
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}
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const svg = await ScriptUtils.ReadSvg(layout.icon)
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let width: string = svg.$.width
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if (width === undefined) {
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throw "The logo at " + layout.icon + " does not have a defined width"
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}
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if (width?.endsWith("px")) {
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width = width.substring(0, width.length - 2)
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}
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if (width?.endsWith("%")) {
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throw "The logo at " + layout.icon + " has a relative width; this is not supported"
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}
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delete svg["defs"]
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delete svg["$"]
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let templateSvg = await ScriptUtils.ReadSvg("./assets/SocialImageTemplate" + template + ".svg")
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templateSvg = Utils.WalkJson(
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templateSvg,
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(leaf) => {
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const { cx, cy, r } = leaf["circle"][0].$
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return {
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$: {
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id: "icon",
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transform: `translate(${cx - r},${cy - r}) scale(${(r * 2) / Number(width)}) `,
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},
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g: [svg],
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}
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},
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(mightBeTokenToReplace) => {
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if (mightBeTokenToReplace?.circle === undefined) {
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return false
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}
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return mightBeTokenToReplace.circle[0]?.$?.style?.indexOf("fill:#ff00ff") >= 0
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}
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)
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const builder = new xml2js.Builder()
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const xml = builder.buildObject({ svg: templateSvg })
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writeFileSync(path, xml)
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console.log("Created social image at ", path)
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return path
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}
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async function createManifest(
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layout: LayoutConfig,
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alreadyWritten: string[]
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): Promise<{
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manifest: any
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whiteIcons: string[]
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}> {
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Translation.forcedLanguage = "en"
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const icons = []
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const whiteIcons: string[] = []
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let icon = layout.icon
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if (icon.endsWith(".svg") || icon.startsWith("<svg") || icon.startsWith("<?xml")) {
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// This is an svg. Lets create the needed pngs and do some checkes!
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const whiteBackgroundPath =
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"./public/assets/generated/images/theme_" + layout.id + "_white_background.svg"
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{
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const svg = await ScriptUtils.ReadSvg(icon)
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const width: string = svg.$.width
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const height: string = svg.$.height
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const builder = new xml2js.Builder()
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const withRect = { rect: { $: { width, height, style: "fill:#ffffff;" } }, ...svg }
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const xml = builder.buildObject({ svg: withRect })
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writeFileSync(whiteBackgroundPath, xml)
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}
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let path = layout.icon
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if (layout.icon.startsWith("<")) {
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// THis is already the svg
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path = "./public/assets/generated/images/" + layout.id + "_logo.svg"
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writeFileSync(path, layout.icon)
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}
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const sizes = [72, 96, 120, 128, 144, 152, 180, 192, 384, 512]
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for (const size of sizes) {
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const name = await createIcon(path, size, alreadyWritten)
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const whiteIcon = await createIcon(whiteBackgroundPath, size, alreadyWritten)
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whiteIcons.push(whiteIcon)
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icons.push({
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src: name,
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sizes: size + "x" + size,
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type: "image/png",
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})
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}
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icons.push({
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src: path,
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sizes: "513x513",
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type: "image/svg",
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})
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} else if (icon.endsWith(".png")) {
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icons.push({
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src: icon,
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sizes: "513x513",
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type: "image/png",
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})
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} else {
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console.log(icon)
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throw "Icon is not an svg for " + layout.id
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}
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const ogTitle = Translations.T(layout.title).txt
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const ogDescr = Translations.T(layout.description ?? "").txt
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const manifest = {
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name: ogTitle,
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short_name: ogTitle,
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start_url: `${layout.id.toLowerCase()}.html`,
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lang: "en",
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display: "standalone",
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background_color: "#fff",
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description: ogDescr,
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orientation: "portrait-primary, landscape-primary",
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icons: icons,
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categories: ["map", "navigation"],
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}
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return {
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manifest,
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whiteIcons,
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}
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}
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function asLangSpan(t: Translation, tag = "span"): string {
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const values: string[] = []
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for (const lang in t.translations) {
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if (lang === "_context") {
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continue
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}
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values.push(`<${tag} lang='${lang}'>${t.translations[lang]}</${tag}>`)
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}
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return values.join("\n")
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}
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async function createLandingPage(layout: LayoutConfig, manifest, whiteIcons, alreadyWritten) {
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Locale.language.setData(layout.language[0])
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const targetLanguage = layout.language[0]
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const ogTitle = Translations.T(layout.title).textFor(targetLanguage).replace(/"/g, '\\"')
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const ogDescr = Translations.T(
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layout.shortDescription ?? "Easily add and edit geodata with OpenStreetMap"
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)
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.textFor(targetLanguage)
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.replace(/"/g, '\\"')
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let ogImage = layout.socialImage
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let twitterImage = ogImage
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if (ogImage === LayoutConfig.defaultSocialImage && layout.official) {
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ogImage = (await createSocialImage(layout, "")) ?? layout.socialImage
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twitterImage = (await createSocialImage(layout, "Wide")) ?? layout.socialImage
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}
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if (twitterImage.endsWith(".svg")) {
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// svgs are badly supported as social image, we use a generated svg instead
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twitterImage = await createIcon(twitterImage, 512, alreadyWritten)
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}
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if (ogImage.endsWith(".svg")) {
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ogImage = await createIcon(ogImage, 512, alreadyWritten)
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}
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let customCss = ""
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if (layout.customCss !== undefined && layout.customCss !== "") {
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try {
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const cssContent = readFileSync(layout.customCss)
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customCss = "<style>" + cssContent + "</style>"
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} catch (e) {
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customCss = `<link rel='stylesheet' href="${layout.customCss}"/>`
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}
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}
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const og = `
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<meta property="og:image" content="${ogImage ?? "assets/SocialImage.png"}">
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<meta property="og:title" content="${ogTitle}">
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<meta property="og:description" content="${ogDescr}">
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<meta name="twitter:card" content="summary_large_image">
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<meta name="twitter:site" content="@mapcomplete.osm.be">
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<meta name="twitter:creator" content="@pietervdvn">
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<meta name="twitter:title" content="${ogTitle}">
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<meta name="twitter:description" content="${ogDescr}">
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<meta name="twitter:image" content="${twitterImage}">`
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let icon = layout.icon
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if (icon.startsWith("<?xml") || icon.startsWith("<svg")) {
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// This already is an svg
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icon = `./public/assets/generated/images/${layout.id}_icon.svg`
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writeFileSync(icon, layout.icon)
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}
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const apple_icons = []
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for (const icon of whiteIcons) {
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if (!existsSync(icon)) {
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continue
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}
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const size = icon.replace(/[^0-9]/g, "")
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apple_icons.push(`<link rel="apple-touch-icon" sizes="${size}x${size}" href="${icon}">`)
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}
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let themeSpecific = [
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`<title>${ogTitle}</title>`,
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`<link rel="manifest" href="${enc(layout.id)}.webmanifest">`,
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og,
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customCss,
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`<link rel="icon" href="${icon}" sizes="any" type="image/svg+xml">`,
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...apple_icons,
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].join("\n")
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const loadingText = Translations.t.general.loadingTheme.Subs({ theme: ogTitle })
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let output = template
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.replace("Loading MapComplete, hang on...", asLangSpan(loadingText, "h1"))
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.replace(
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"Made with OpenStreetMap",
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Translations.t.general.poweredByOsm.textFor(targetLanguage)
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)
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.replace(/<!-- THEME-SPECIFIC -->.*<!-- THEME-SPECIFIC-END-->/s, themeSpecific)
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.replace(
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/<!-- DESCRIPTION START -->.*<!-- DESCRIPTION END -->/s,
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asLangSpan(layout.shortDescription)
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)
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.replace(
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/<!-- IMAGE-START -->.*<!-- IMAGE-END -->/s,
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"<img class='p-8 h-32 w-32 self-start' src='" + icon + "' />"
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)
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.replace(
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'<script type="module" src="./index.ts"></script>',
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`<script type="module" src='./index_${layout.id}.ts'></script>`
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)
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return output
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}
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async function createIndexFor(theme: LayoutConfig) {
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const filename = "index_" + theme.id + ".ts"
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writeFileSync(filename, `import layout from "./assets/generated/themes/${theme.id}.json"\n`)
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appendFileSync(filename, codeTemplate)
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}
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function createDir(path) {
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if (!existsSync(path)) {
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mkdirSync(path)
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}
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}
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async function main(): Promise<void> {
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const alreadyWritten = []
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createDir("./assets/generated")
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createDir("./assets/generated/layers")
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createDir("./assets/generated/themes")
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createDir("./public/assets/")
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createDir("./public/assets/generated")
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createDir("./public/assets/generated/images")
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const blacklist = [
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"",
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"test",
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".",
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"..",
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"manifest",
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"index",
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"land",
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"preferences",
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"account",
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"openstreetmap",
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"custom",
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"theme",
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]
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// @ts-ignore
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const all: LayoutConfigJson[] = all_known_layouts.themes
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const args = process.argv
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const theme = args[2]
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if (theme !== undefined) {
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console.warn("Only generating layout " + theme)
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}
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for (const i in all) {
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const layoutConfigJson: LayoutConfigJson = all[i]
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if (theme !== undefined && layoutConfigJson.id !== theme) {
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continue
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}
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const layout = new LayoutConfig(layoutConfigJson, true)
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const layoutName = layout.id
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if (blacklist.indexOf(layoutName.toLowerCase()) >= 0) {
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console.log(`Skipping a layout with name${layoutName}, it is on the blacklist`)
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continue
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}
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const err = (err) => {
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if (err !== null) {
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console.log("Could not write manifest for ", layoutName, " because ", err)
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}
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}
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const { manifest, whiteIcons } = await createManifest(layout, alreadyWritten)
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const manif = JSON.stringify(manifest, undefined, 2)
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const manifestLocation = encodeURIComponent(layout.id.toLowerCase()) + ".webmanifest"
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writeFile("public/" + manifestLocation, manif, err)
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// Create a landing page for the given theme
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const landing = await createLandingPage(layout, manifest, whiteIcons, alreadyWritten)
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writeFile(enc(layout.id) + ".html", landing, err)
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await createIndexFor(layout)
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}
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const { manifest } = await createManifest(
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new LayoutConfig({
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icon: "./assets/svg/mapcomplete_logo.svg",
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id: "index",
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layers: [],
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socialImage: "assets/SocialImage.png",
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startLat: 0,
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startLon: 0,
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startZoom: 0,
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title: { en: "MapComplete" },
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description: { en: "A thematic map viewer and editor based on OpenStreetMap" },
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}),
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alreadyWritten
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)
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const manif = JSON.stringify(manifest, undefined, 2)
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writeFileSync("public/index.webmanifest", manif)
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}
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main().then(() => {
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console.log("All done!")
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})
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