Create initial language support

Create support for languages, then reformat user, home, and post pages
to use it, and create en and en-us language files.

package.json

@@ -7,6 +7,7 @@
   "scripts": {
     "start": "cd src/site && node server.js",
     "assistant": "cd src/site && node assistant.js",
+    "build-lang": "cd src/lang/utils && node build_base.js",
     "test": "tap"
   },
   "keywords": [],

src/lang/base.js

@@ -0,0 +1,46 @@
+// This file was automatically generated and its contents will be overwritten later.
+
+const data = {
+	"go_to_profile": "MISSING STRING: go_to_profile",
+	"go_to_post": "MISSING STRING: go_to_post",
+	"go_username_or_url": "MISSING STRING: go_username_or_url",
+	"go_shortcode_or_url": "MISSING STRING: go_shortcode_or_url",
+	"go_button": "MISSING STRING: go_button",
+	"about_bibliogram_header": "MISSING STRING: about_bibliogram_header",
+	"pug_about_bibliogram_content": locals => "MISSING TEMPLATE: pug_about_bibliogram_content",
+	"about_this_instance_header": "MISSING STRING: about_this_instance_header",
+	"onion_site_available": "MISSING STRING: onion_site_available",
+	"t_settings": "MISSING STRING: t_settings",
+	"t_privacy_policy": "MISSING STRING: t_privacy_policy",
+	"has_not_written_privacy_policy": "MISSING STRING: has_not_written_privacy_policy",
+	"instance_not_blocked": "MISSING STRING: instance_not_blocked",
+	"instance_partially_blocked": "MISSING STRING: instance_partially_blocked",
+	"instance_blocked": "MISSING STRING: instance_blocked",
+	"rss_enabled": "MISSING STRING: rss_enabled",
+	"rss_disabled": "MISSING STRING: rss_disabled",
+	"external_links_header": "MISSING STRING: external_links_header",
+	"source_link": "MISSING STRING: source_link",
+	"matrix_link": "MISSING STRING: matrix_link",
+	"instances_link": "MISSING STRING: instances_link",
+	"contact_link": "MISSING STRING: contact_link",
+	"t_featured_profiles": "MISSING STRING: t_featured_profiles",
+	"featured_profiles_whats_this": "MISSING STRING: featured_profiles_whats_this",
+	"html_featured_profiles_disclaimer": "MISSING STRING: html_featured_profiles_disclaimer",
+	"verified_badge_alt": "MISSING STRING: verified_badge_alt",
+	"verified_badge_title": "MISSING STRING: verified_badge_title",
+	"post_counter_label": "MISSING STRING: post_counter_label",
+	"outgoing_follows_counter_label": "MISSING STRING: outgoing_follows_counter_label",
+	"incoming_follows_counter_label": "MISSING STRING: incoming_follows_counter_label",
+	"t_home": "MISSING STRING: t_home",
+	"tab_timeline": "MISSING STRING: tab_timeline",
+	"tab_igtv": "MISSING STRING: tab_igtv",
+	"next_page_button": "MISSING STRING: next_page_button",
+	"next_page_button_loading": "MISSING STRING: next_page_button_loading",
+	"profile_is_private_notice": "MISSING STRING: profile_is_private_notice",
+	"no_posts_notice": "MISSING STRING: no_posts_notice",
+	"no_more_posts_notice": "MISSING STRING: no_more_posts_notice",
+	"fn_page_divider": () => "MISSING FUNCTION: fn_page_divider",
+	"pug_post_timestamp": locals => "MISSING TEMPLATE: pug_post_timestamp"
+}
+
+module.exports = data

src/lang/en-us.js

@@ -0,0 +1,3 @@
+const data = {...require("./en")}
+
+module.exports = data

src/lang/en.js

@@ -0,0 +1,71 @@
+const compile = require("pug").compile
+const data = {...require("./base")}
+
+/**
+ * @param {string} text
+ */
+function pug(text) {
+	let lines = text.split("\n")
+	while (lines[0] === "") lines.shift()
+	const indentLevel = lines[0].match(/^\t*/)[0].length
+	lines = lines.map(l => l.replace(new RegExp(`^\\t{0,${indentLevel}}`), ""))
+	return compile(lines.join("\n"))
+}
+
+;(() => {
+	data.go_to_profile = "Go to profile"
+	data.go_to_post = "Go to post"
+	data.go_username_or_url = "Username or URL"
+	data.go_shortcode_or_url = "Shortcode or URL"
+	data.go_button = "Go"
+	data.about_bibliogram_header = "About Bibliogram"
+	data.pug_about_bibliogram_content = pug(`
+		p.
+			Bibliogram is a website that takes data from Instagram's public profile views and puts it into
+			a friendlier page that loads faster, gives downloadable images, eliminates ads,
+			generates RSS feeds, and doesn't urge you to sign up. #[a(href=(link_to_featured_profiles ? "#featured-profiles" : "/u/instagram")).example-link See an example.]
+		p.
+			Bibliogram does #[em not] allow you to anonymously post, like, comment, follow, or view private profiles.
+			It does not preserve deleted posts.
+	`)
+	data.about_this_instance_header = "About this instance"
+	data.onion_site_available = "Onion site available"
+	data.t_settings = "Settings"
+	data.t_privacy_policy = "Privacy policy"
+	data.has_not_written_privacy_policy = "Owner has not written a privacy policy"
+	data.instance_not_blocked = "Instance is not blocked"
+	data.instance_partially_blocked = "Instance is partially blocked"
+	data.instance_blocked = "Instance is blocked"
+	data.rss_disabled = "RSS feeds are disabled"
+	data.rss_enabled = "RSS feeds are enabled"
+	data.external_links_header = "External links"
+	data.source_link = "Code on sourcehut"
+	data.matrix_link = "Discussion room on Matrix"
+	data.instances_link = "Other Bibliogram instances"
+	data.contact_link = "Contact the developer"
+	data.t_featured_profiles = "Featured profiles"
+	data.featured_profiles_whats_this = "What's this?"
+	data.html_featured_profiles_disclaimer = pug(`
+		p The owner of this website personally thinks that these profiles are interesting.
+		p These are not endorsements from the Bibliogram project.
+	`)()
+	data.verified_badge_title = "Verified"
+	data.verified_badge_alt = "Verified."
+	data.post_counter_label = "posts"
+	data.outgoing_follows_counter_label = "following"
+	data.incoming_follows_counter_label = "followed by"
+	data.t_home = "Home"
+	data.tab_timeline = "Timeline"
+	data.tab_igtv = "IGTV"
+	data.next_page_button = "Next page"
+	data.next_page_button_loading = "Loading..."
+	data.profile_is_private_notice = "Profile is private."
+	data.no_posts_notice = "No posts."
+	data.no_more_posts_notice = "No more posts."
+	data.fn_page_divider = number => `Page ${number}`
+	data.pug_post_timestamp = pug(`
+		| Posted on #[time(datetime=post.date.toISOString() data-local-date)= post.getDisplayDate()].
+	`)
+})()
+
+module.exports = data

src/lang/index.js

@@ -0,0 +1,39 @@
+const base = require("./base")
+
+class Lang {
+	constructor() {
+		/** @type {Map<string, import("./base")>} */
+		this.backing = new Map()
+
+		this.backing.set("base", require("./base"))
+
+		for (const code of ["en", "en-us"]) {
+			// Assign lang
+			const data = require(`./${code}`)
+			this.backing.set(code, data)
+			// Check properties
+			for (const key of Object.keys(base)) {
+				if (!data[key] || data[key] === base[key]) {
+					console.log(`[!] [${code}] ${key} was not replaced`)
+				}
+			}
+		}
+	}
+
+	/**
+	 * @param {string} code
+	 */
+	get(code) {
+		if (this.backing.has(code)) {
+			// console.log(`[.] Getting language code ${code}`)
+			return this.backing.get(code)
+		} else {
+			console.log(`[!] WARNING: tried to get missing language code ${code}`)
+			return this.backing.get("base")
+		}
+	}
+}
+
+const lang = new Lang()
+
+module.exports = lang

src/lang/utils/base.template.js

@@ -0,0 +1,7 @@
+// This file is a template.
+
+const data = {
+	// CONTENT
+}
+
+module.exports = data

src/lang/utils/base.txt

@@ -0,0 +1,51 @@
+# Front page
+
+# Top section
+go_to_profile
+go_to_post
+go_username_or_url
+go_shortcode_or_url
+go_button
+
+# Bottom section
+about_bibliogram_header
+pug_about_bibliogram_content
+about_this_instance_header
+onion_site_available
+t_settings
+t_privacy_policy
+has_not_written_privacy_policy
+instance_not_blocked
+instance_partially_blocked
+instance_blocked
+rss_enabled
+rss_disabled
+external_links_header
+source_link
+matrix_link
+instances_link
+contact_link
+t_featured_profiles
+featured_profiles_whats_this
+html_featured_profiles_disclaimer
+
+# User page
+
+verified_badge_alt
+verified_badge_title
+post_counter_label
+outgoing_follows_counter_label
+incoming_follows_counter_label
+t_home
+tab_timeline
+tab_igtv
+next_page_button
+next_page_button_loading
+profile_is_private_notice
+no_posts_notice
+no_more_posts_notice
+fn_page_divider
+
+# Post page
+
+pug_post_timestamp

src/lang/utils/build_base.js

@@ -0,0 +1,28 @@
+const fs = require("fs").promises
+const pj = require("path").join
+
+;(async () => {
+	const contents = await fs.readFile(pj(__dirname, "base.txt"), "utf8")
+	const lines = contents.split("\n")
+	let template = await fs.readFile(pj(__dirname, "base.template.js"), "utf8")
+
+	template = template
+		.replace("// This file is a template.", "// This file was automatically generated and its contents will be overwritten later.")
+		.replace("// CONTENT", lines
+			.filter(l => l && !l.startsWith("#"))
+			.map(l => {
+				if (l.startsWith("pug_")) {
+					return `"${l}": locals => "MISSING TEMPLATE: ${l}"`
+				} else if (l.startsWith("fn_")) {
+					return `"${l}": () => "MISSING FUNCTION: ${l}"`
+				} else {
+					return `"${l}": "MISSING STRING: ${l}"`
+				}
+			})
+			.join(",\n\t")
+		)
+
+	await fs.writeFile(pj(__dirname, "../base.js"), template, "utf8")
+
+	console.log("base.js written.")
+})()

src/lib/constants.js

@@ -107,6 +107,7 @@ let constants = {
 	},
 
 	default_user_settings: {
+		language: "en",
 		rewrite_youtube: "invidio.us",
 		rewrite_twitter: "nitter.net"
 	},

src/site/api/routes.js

@@ -1,4 +1,5 @@
 const constants = require("../../lib/constants")
+const lang = require("../../lang")
 const switcher = require("../../lib/utils/torswitcher")
 const {fetchUser, getOrFetchShortcode, userRequestCache, history, assistantSwitcher} = require("../../lib/collectors")
 const {render, redirect, getStaticURL} = require("pinski/plugins")
@@ -112,7 +113,8 @@ module.exports = [
 							username,
 							expiresMinutes: userRequestCache.getTtl("user/"+username, 1000*60),
 							getStaticURL,
-							settings
+							settings,
+							lang
 						})
 					}
 				} else if (error === constants.symbols.extractor_results.AGE_RESTRICTED) {
@@ -179,7 +181,7 @@ module.exports = [
 					contentType: "application/json",
 					content: {
 						title: getPageTitle(post),
-						html: pugCache.get("pug/fragments/post.pug").web({post, settings, getStaticURL})
+						html: pugCache.get("pug/fragments/post.pug").web({lang, post, settings, getStaticURL})
 					}
 				}
 			}).catch(error => {

src/site/html/static/js/elemjs/elemjs.js

@@ -57,7 +57,7 @@ class ElemJS {
 	event(name, callback) {
 		this.element.addEventListener(name, event => callback(event))
 	}
-	child(toAdd, position) {
+	child(toAdd, position = undefined) {
 		if (typeof(toAdd) == "object") {
 			toAdd.parent = this;
 			if (typeof(position) == "number" && position >= 0) {

src/site/html/static/js/pagination.js

@@ -75,7 +75,7 @@ class NextPage extends FreezeWidth {
 	fetch() {
 		if (this.fetching) return
 		this.fetching = true
-		this.freeze("Loading...")
+		this.freeze(this.element.getAttribute("data-loading-text"))
 		const type = this.element.getAttribute("data-type")
 
 		return fetch(`/fragment/user/${this.element.getAttribute("data-username")}/${this.nextPageNumber}?type=${type}`).then(res => res.text()).then(text => {

src/site/pug/fragments/post.pug

@@ -1,5 +1,7 @@
 //- Needs post
 
+- const ll = lang.get(settings.language)
+
 include ../includes/post.pug
 
 +post(post, true)

src/site/pug/fragments/timeline_page.pug

@@ -1,5 +1,7 @@
 //- Needs user, selectedTimeline, url, type
 
+- const ll = lang.get(settings.language)
+
 include ../includes/timeline_page.pug
 include ../includes/next_page_button.pug
 

src/site/pug/home.pug

@@ -1,5 +1,7 @@
 //- Needs rssEnabled, allUnblocked, torAvailable, hasPrivacyPolicy, onionLocation
 
+- const ll = lang.get(settings.language)
+
 doctype html
 html
 	head
@@ -13,57 +15,53 @@ html
 		.go-sections-container
 			.go-sections
 				section
-					h2.title Go to profile
+					h2.title= ll.go_to_profile
 					form(method="get" action="/u").pair-entry
-						input(type="text" name="u" placeholder="Username or URL").text
-						input(type="submit" value="Go").button
+						input(type="text" name="u" placeholder=ll.go_username_or_url).text
+						input(type="submit" value=ll.go_button).button
 				section
-					h2.title Go to post
+					h2.title= ll.go_to_post
 					form(method="get" action="/p").pair-entry
-						input(type="text" name="p" placeholder="Shortcode or URL").text
-						input(type="submit" value="Go").button
+						input(type="text" name="p" placeholder=ll.go_shortcode_or_url).text
+						input(type="submit" value=ll.go_button).button
 
 		.about-container
 			section.about
-				h2 About Bibliogram
-				p.
-					Bibliogram is a website that takes data from Instagram's public profile views and puts it into
-					a friendlier page that loads faster, gives downloadable images, eliminates ads,
-					generates RSS feeds, and doesn't urge you to sign up. #[a(href=(constants.featured_profiles.length ? "#featured-profiles" : "/u/instagram")).example-link See an example.]
-				p.
-					Bibliogram does #[em not] allow you to anonymously post, like, comment, follow, or view private profiles.
-					It does not preserve deleted posts.
-
-				h2 About this instance
+				h2= ll.about_bibliogram_header
+				!= ll.pug_about_bibliogram_content(constants.featured_profiles.length)
+				h2= ll.about_this_instance_header
 				ul
 					if onionLocation
-						li: a(href=onionLocation) Onion site available
-					li: a(href=settingsReferrer) Settings
+						li: a(href=onionLocation)= ll.onion_site_available
+					li: a(href=settingsReferrer)= ll.t_settings
 					if hasPrivacyPolicy
-						li: a(href="/privacy") Privacy policy
+						li: a(href="/privacy")= ll.t_privacy_policy
 					else
-						li Owner has not written a privacy policy
+						li= ll.has_not_written_privacy_policy
 					if allUnblocked
-						li Instance is not blocked
+						li= ll.instance_not_blocked
 					else
-						li: a(href="https://git.sr.ht/~cadence/bibliogram-docs/tree/master/docs/Instagram%20rate%20limits.md#tldr-what-does-it-mean-if-an-instance-is-blocked") Instance is partially blocked
-					li RSS feeds are #{rssEnabled ? "enabled" : "disabled"}
+						li: a(href="https://git.sr.ht/~cadence/bibliogram-docs/tree/master/docs/Instagram%20rate%20limits.md#tldr-what-does-it-mean-if-an-instance-is-blocked")= ll.instance_partially_blocked
+					if rssEnabled
+						li= ll.rss_enabled
+					else
+						li= ll.rss_disabled
 
-				h2 External links
+				h2= ll.external_links_header
 				ul
 					-
 						const links = [
-							["https://sr.ht/~cadence/bibliogram/", "Code on sourcehut", "noopener noreferrer"],
-							["https://matrix.to/#/#bibliogram:matrix.org", "Discussion room on Matrix", "noopener noreferrer"],
-							["https://git.sr.ht/~cadence/bibliogram-docs/tree/master/docs/Instances.md", "Other Bibliogram instances", "noopener noreferrer"],
-							["https://cadence.moe/about/contact", "Contact the developer", "noopener noreferrer"]
+							["https://sr.ht/~cadence/bibliogram/", ll.source_link, "noopener noreferrer"],
+							["https://matrix.to/#/#bibliogram:matrix.org", ll.matrix_link, "noopener noreferrer"],
+							["https://git.sr.ht/~cadence/bibliogram-docs/tree/master/docs/Instances.md", ll.instances_link, "noopener noreferrer"],
+							["https://cadence.moe/about/contact", ll.contact_link, "noopener noreferrer"]
 						]
 					each entry in links
 						li: a(href!=entry[0] target="_blank" rel=entry[2])= entry[1]
 
 				if constants.featured_profiles.length
 					.featured-profiles#featured-profiles
-						h2.featured-profiles-header Featured profiles
+						h2.featured-profiles-header= ll.featured_profiles_header
 
 						table.featured-profile-table
 							tbody
@@ -73,7 +71,5 @@ html
 										td= profile.description
 
 						details
-							summary What's this?
-							.details-content
-								p The owner of this website personally thinks that these profiles are interesting.
-								p These are not endorsements from the Bibliogram project.
+							summary= ll.featured_profiles_whats_this
+							.details-content= ll.html_featured_profiles_disclaimer

src/site/pug/includes/next_page_button.pug

@@ -4,8 +4,14 @@ mixin next_page_button(user, selectedTimeline, url, type)
 			-
 				const nu = new URL(url)
 				nu.searchParams.set("page", selectedTimeline.pages.length+1)
-			a(href=`${nu.search}#page-${selectedTimeline.pages.length+1}` data-page=(selectedTimeline.pages.length+1) data-username=(user.data.username) data-type=type)#next-page.next-page Next page
+			a(
+				href=`${nu.search}#page-${selectedTimeline.pages.length+1}`
+				data-page=(selectedTimeline.pages.length+1)
+				data-username=(user.data.username)
+				data-type=type
+				data-loading-text=ll.next_page_button_loading
+			)#next-page.next-page= ll.next_page_button
 	else
 		div
 			div.page-number.no-more-pages
-				span.number No more posts.
+				span.number= ll.no_more_posts_notice

src/site/pug/includes/post.pug

@@ -39,7 +39,7 @@ mixin post(post, headerWithNavigation)
 								if caption
 									p.description= caption
 							p.description
-								span Posted on #[time(datetime=post.date.toISOString() data-local-date)= post.getDisplayDate()].
+								span!= ll.pug_post_timestamp({post})
 
 		section.images-gallery
 			for entry in post.children

src/site/pug/includes/timeline_page.pug

@@ -5,7 +5,7 @@ mixin timeline_page(page, pageIndex)
 		- const pageNumber = pageIndex + 1
 		if pageNumber > 1
 			header.page-number(id=`page-${pageNumber}`)
-				span.number Page #{pageNumber}
+				span.number= ll.fn_page_divider(pageNumber)
 
 		.timeline-inner(class=`${settings.timeline_columns}-columns`)
 			- const suggestedSize = 260 //- from css :(

src/site/pug/post.pug

@@ -1,5 +1,7 @@
 //- Needs website_origin, title, post, settings
 
+- const ll = lang.get(settings.language)
+
 include includes/post
 
 doctype html

src/site/pug/settings.pug

@@ -45,7 +45,7 @@ html
 				h1 Settings
 
 				+fieldset("Features")
-					+select("language", "Language", true, [
+					+select("language", "Language", false, [
 						{value: "en", text: "English (International)"},
 						{value: "en-us", text: "English (US)"}
 					])

src/site/pug/user.pug

@@ -5,13 +5,14 @@ include includes/next_page_button.pug
 include includes/display_structured
 include includes/feed_link
 
+- const ll = lang.get(settings.language)
 - const numberFormat = new Intl.NumberFormat().format
 
 mixin selector-button(text, selectorType, urlSuffix)
 	a(href=(type !== selectorType && `/u/${user.data.username}${urlSuffix}`) class=(type === selectorType && "active")).selector= text
 
 mixin verified-badge(classes)
-	img.verified-badge(class=classes src=getStaticURL("html", "/static/img/verified.svg") width=19 height=19 alt="Verified." title="Verified")
+	img.verified-badge(class=classes src=getStaticURL("html", "/static/img/verified.svg") width=19 height=19 alt=ll.verified_badge_alt title=ll.verified_badge_title)
 
 doctype html
 html
@@ -42,7 +43,7 @@ html
 			a(href="/").nav-icon-link
 				img(src="/static/img/logo-circle-min.svg" alt="Bibliogram").logo
 			a(href=settingsReferrer).nav-icon-link
-				img(src="/static/img/settings.svg" alt="Settings").settings
+				img(src="/static/img/settings.svg" alt=ll.t_settings).settings
 		.main-divider
 			header.profile-overview
 				.profile-sticky
@@ -71,12 +72,18 @@ html
 							p.website
 								a(href=userURL)= userURL
 						if user.posts != undefined
-							div.profile-counter #[span(data-numberformat=user.posts).count #{numberFormat(user.posts)}] posts
+							div.profile-counter
+								| #[span(data-numberformat=user.posts).count #{numberFormat(user.posts)} ]
+								= ll.post_counter_label
 						if followerCountsAvailable
 							if user.following != undefined
-								div.profile-counter #[span(data-numberformat=user.following).count #{numberFormat(user.following)}] following
+								div.profile-counter
+									| #[span(data-numberformat=user.following).count #{numberFormat(user.following)} ]
+									= ll.outgoing_follows_counter_label
 							if user.followedBy != undefined
-								div.profile-counter #[span(data-numberformat=user.followedBy).count #{numberFormat(user.followedBy)}] followed by
+								div.profile-counter
+									| #[span(data-numberformat=user.followedBy).count #{numberFormat(user.followedBy)} ]
+									= ll.incoming_follows_counter_label
 						else
 							div.profile-counter.not-available Followers not available.
 						.links
@@ -86,15 +93,15 @@ html
 							a(rel="noreferrer noopener" href=`https://www.instagram.com/${user.data.username}` target="_blank") instagram.com
 					section.bibliogram-meta
 						.links
-							a(href="/") Home
-							a(href=settingsReferrer) Settings
+							a(href="/")= ll.t_home
+							a(href=settingsReferrer)= ll.t_settings
 
 			- const hasPosts = !user.data.is_private && selectedTimeline.pages.length && selectedTimeline.pages[0].length
 			.timeline-section
 				.selector-container
-					+selector-button("Timeline", "timeline", "")
+					+selector-button(ll.tab_timeline, "timeline", "")
 					if user.data.has_channel !== false
-						+selector-button("IGTV", "igtv", "/channel")
+						+selector-button(ll.tab_igtv, "igtv", "/channel")
 
 				main(class=hasPosts ? "" : "no-posts")#timeline.timeline
 					if hasPosts
@@ -106,6 +113,6 @@ html
 							div.page-number
 								span.number
 									if user.data.is_private
-										| Profile is private.
+										= ll.profile_is_private_notice
 									else
-										| No posts.
+										= ll.no_posts_notice

src/site/server.js

@@ -1,6 +1,7 @@
 const {Pinski} = require("pinski")
 const {subdirs} = require("node-dir")
 const constants = require("../lib/constants")
+const lang = require("../lang")
 
 const passthrough = require("./passthrough")
 
@@ -64,7 +65,7 @@ subdirs("pug", async (err, dirs) => {
 
 	const plugins = require("pinski/plugins")
 	plugins.setInstance(pinski)
-	Object.assign(pinski.pugDefaultLocals, {constants})
+	Object.assign(pinski.pugDefaultLocals, {constants, lang})
 	Object.assign(passthrough, pinski.getExports())
 
 	console.log("[.] Server started")