The frontend/UI server, written in JS using the MarkoJS library
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const EventEmitter = require("events");
let linkSignal = null;
module.exports = class {
onCreate(input) {
this.state = {
shortName: "",
name: "",
text: "",
nameSuffix: "",
modal: null,
removed: false,
multipart: false,
anchored: false,
prevWasText: false,
dark: false,
}
this.mounted = false;
this.updatePost(input)
}
open(modal) {
this.state.modal = modal
}
close() {
this.state.modal = null
}
move(toPosition) {
this.emit("move", toPosition)
}
remove() {
this.state.removed = true
this.emit("remove")
}
edited(data) {
this.emit("edited", data)
}
onInput(input) {
if (this.state == null) {
return
}
const timediff = Date.parse(input.post.time) - Date.parse(input.prev.time)
this.state.multipart = (input.post.nick == input.prev.nick && input.prev.multipart !== false) && (Math.abs(timediff) < 60000);
this.state.prevWasText = (input.prev.kind === "text");
this.updatePost(input)
}
onMount() {
this.linkSignalCallback = () => {
this.state.anchored = false
}
if (linkSignal == null) {
linkSignal = new EventEmitter()
linkSignal.setMaxListeners(10000)
}
linkSignal.on("signal", this.linkSignalCallback)
this.state.anchored = window.location.hash.slice(1) === this.input.post.id;
}
onUnmount() {
linkSignal.removeListener("signal", this.linkSignalCallback)
}
link() {
linkSignal.emit("signal")
this.state.anchored = true
}
updatePost(input) {
this.state.shortName = input.post.nick.split("_").shift()
this.state.name = input.post.nick
this.state.nameSuffix = ""
this.state.text = input.post.text
if (input.highlights.length > 0 && (input.post.kind === "action" || input.post.kind === "text")) {
this.state.dark = true
} else {
this.state.dark = false
}
if (!input.post.nick.startsWith("=")) {
const postNick = input.post.nick.replace("'s", "").replace("s'", "s")
for (const character of input.characters) {
for (const nick of character.nicks) {
if (nick === postNick) {
this.state.name = character.name + character.id
this.state.shortName = character.shortName
if (input.post.nick.endsWith("'s") || input.post.nick.endsWith("'")) {
this.state.nameSuffix = (character.shortName.endsWith("s") || character.shortName.endsWith("z")) ? "'" : "'s"
}
if (input.highlights.length > 0) {
this.state.dark = !(input.highlights.includes(character.id))
} else {
this.state.dark = false
}
return
}
}
}
}
}
kindClass(prefix) {
if (this.input.post == null) {
return
}
return `${prefix}${this.input.post.kind.replace(".", "-")}`
}
}