Create post viewer

src/lib/structures/TimelineChild.js

@@ -0,0 +1,42 @@
+const config = require("../../../config")
+const {proxyImage} = require("../utils/proxyurl")
+const collectors = require("../collectors")
+require("../testimports")(collectors)
+
+class TimelineChild {
+	/**
+	 * @param {import("../types").GraphChild} data
+	 */
+	constructor(data) {
+		this.data = data
+		this.proxyDisplayURL = proxyImage(this.data.display_url)
+	}
+
+	/**
+	 * @param {number} size
+	 */
+	getSuggestedResource(size) {
+		let found = null
+		for (const tr of this.data.display_resources) {
+			found = tr
+			if (tr.config_width >= size) break
+		}
+		found = proxyImage(found, size)
+		return found
+	}
+
+	getSrcset() {
+		return this.data.display_resources.map(tr => {
+			const p = new URLSearchParams()
+			p.set("width", String(tr.config_width))
+			p.set("url", tr.src)
+			return `/imageproxy?${p.toString()} ${tr.config_width}w`
+		}).join(", ")
+	}
+
+	getAlt() {
+		return this.data.accessibility_caption || "No image description available."
+	}
+}
+
+module.exports = TimelineChild