Use boring font for consistent non-latin script appearance based on page heuristics

src/lib/structures/BaseUser.js

@@ -1,6 +1,7 @@
 const constants = require("../constants")
 const {proxyProfilePic} = require("../utils/proxyurl")
 const {structure} = require("../utils/structuretext")
+const {isLatin} = require("../utils/islatin")
 
 const rewriters = {
 	rewrite_youtube: ["youtube.com", "www.youtube.com", "m.youtube.com", "youtu.be"],
@@ -52,6 +53,11 @@ class BaseUser {
 		return structure(this.data.biography)
 	}
 
+	bioIsLatin() {
+		if (typeof this.data.biography !== "string") return true
+		return isLatin(this.data.biography)
+	}
+
 	getTtl(scale = 1) {
 		const expiresAt = this.cachedAt + constants.caching.resource_cache_time
 		const ttl = expiresAt - Date.now()

src/lib/structures/TimelineEntry.js

@@ -5,6 +5,7 @@ const collectors = require("../collectors")
 const {structure, removeTrailingHashtags} = require("../utils/structuretext")
 const TimelineBaseMethods = require("./TimelineBaseMethods")
 const TimelineChild = require("./TimelineChild")
+const {isLatin} = require("../utils/islatin")
 require("../testimports")(collectors, TimelineChild, TimelineBaseMethods)
 
 const rssDescriptionTemplate = compile(`
@@ -138,6 +139,13 @@ class TimelineEntry extends TimelineBaseMethods {
 		else return caption.split("\n")[0].split(". ")[0]
 	}
 
+	captionIsLatin() {
+		// the caption introduction is likely to be more meaningful for analysis than the full caption.
+		const introduction = this.getCaptionIntroduction()
+		if (typeof introduction !== "string") return true
+		return isLatin(introduction)
+	}
+
 	/**
 	 * Alt text is not available for N2, the caption or a placeholder string will be returned instead.
 	 * @override