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257
MessageBuilder.js
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257
MessageBuilder.js
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const mojangson = require('mojangson')
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const nbt = require('prismarine-nbt')
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const supportedColors = {
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0: 'black',
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1: 'dark_blue',
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2: 'dark_green',
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3: 'dark_aqua',
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4: 'dark_red',
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5: 'dark_purple',
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6: 'gold',
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7: 'gray',
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8: 'dark_gray',
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9: 'blue',
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a: 'green',
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b: 'aqua',
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c: 'red',
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d: 'light_purple',
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e: 'yellow',
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f: 'white',
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k: 'obfuscated',
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l: 'bold',
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m: 'strikethrough',
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n: 'underlined',
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o: 'italic',
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r: 'reset'
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}
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function loader (registry) {
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class MessageBuilder {
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constructor () {
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this.with = []
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this.extra = []
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}
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/** @param {boolean} val */
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setBold (val) { this.bold = val; return this }
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/** @param {boolean} val */
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setItalic (val) { this.italic = val; return this }
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/** @param {boolean} val */
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setUnderlined (val) { this.underlined = val; return this }
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/** @param {boolean} val */
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setStrikethrough (val) { this.strikethrough = val; return this }
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/** @param {boolean} val */
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setObfuscated (val) { this.obfuscated = val; return this }
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/** @param {string} val */
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setColor (val) { this.color = val; return this }
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/** @param {string} val */
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setText (val) { this.text = val; return this }
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/**
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* The resource location of the font for this component in the resource pack within `assets/<namespace>/font`.
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* @param {string} val Defaults to `minecraft:default`
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* @returns
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*/
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setFont (val) { this.font = val; return this }
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/**
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* When used, it's expected that all slots for text will be filled using .addWith()
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* @param {string} val
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* @returns
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*/
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setTranslate (val) { this.translate = val; return this }
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/**
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* text shown when shift clicked on message
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* @param {string} val
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*/
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setInsertion (val) { this.insertion = val; return this }
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/**
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* Overrode by .setText()
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* @param {string} val
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* @example
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* builder.setKeybind('key.inventory')
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*/
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setKeybind (val) { this.keybind = val; return this }
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/**
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* Displays a score holder's current score in an objective.
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* Displays nothing if the given score holder or the given objective do not exist, or if the score holder is not tracked in the objective.
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* @param {string} name if '*', show reader their own score. Otherwise, this is the player's score shown. Can be a selector string, but must never select more than one entity.
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* @param {string} objective The internal name of the objective to display the player's score in.
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*/
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setScore (name, objective) { this.score = { name, objective }; return this }
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/**
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* @param {'open_url'|'run_command'|'suggest_command'|'change_page'|'copy_to_clipboard'} action
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* @param {string|number} value
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* @example
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* builder.setClickEvent('open_url', 'https://google.com')
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* builder.setClickEvent('run_command', '/say Hi!') // for signs, the slash doesn't need to be there
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* builder.setClickEvent('suggest_command', '/say ')
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* builder.setClickEvent('change_page', '/say Hi!') // Can only be used in written books
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* builder.setClickEvent('copy_to_clipboard', 'welcome to your clipboard')
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*/
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setClickEvent (action, value) { this.clickEvent = { action, value }; return this }
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/**
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* @param {'show_text'|'show_entity'|'show_item'} action
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* @param {import('prismarine-item').Item|import('prismarine-entity').Entity|MessageBuilder} data
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* @param {'contents'|'value'} type [type='contents']
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*/
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setHoverEvent (action, data, type = 'contents') {
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const hoverEvent = { action }
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if (type === 'contents') {
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switch (action) {
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case 'show_item':
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hoverEvent.contents = {
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id: `minecraft:${data.name}`,
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count: data.count,
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tag: data.nbt ? mojangson.stringify(data.nbt) : {}
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}
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break
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case 'show_entity':
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hoverEvent.contents = {
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name: data.displayName,
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type: `minecraft:${data.name}`,
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id: data.uuid
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}
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break
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case 'show_text':
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hoverEvent.contents = data
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break
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default:
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throw Error('Not implemented')
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}
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} else if (type === 'value') {
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switch (action) {
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case 'show_item':
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// works for 1.12.2 & 1.17
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hoverEvent.value = mojangson.stringify(nbt.comp({
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id: nbt.string(`minecraft:${data.name}`),
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Count: nbt.byte(data.count),
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tag: data.nbt || nbt.comp({}),
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Damage: nbt.short(0)
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}))
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break
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case 'show_text':
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hoverEvent.value = data.toString()
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break
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case 'show_entity':
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default:
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throw Error('Not implemented')
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}
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}
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this.hoverEvent = hoverEvent
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return this
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}
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/**
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* appended to the end of this message object with the existing formatting.
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* formatting can be overrode in child messagebuilder
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* @param {Array<MessageBuilder | string>} ...args
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* @returns
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*/
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addExtra (...args) {
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for (const v of args) {
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const value = typeof v === 'string' ? v : v.toJSON()
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this.extra.push(value)
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}
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return this
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}
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/**
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* requires .translate to be set for this to be used
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* @param {Array<MessageBuilder | string>} ...args
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* @returns
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*/
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addWith (...args) {
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for (const v of args) {
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const value = typeof v === 'string' ? v : v.toJSON()
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this.with.push(value)
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}
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return this
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}
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resetFormatting () {
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this.setBold(false)
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this.setItalic(false)
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this.setUnderlined(false)
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this.setStrikethrough(false)
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this.setObfuscated(false)
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this.setColor('reset')
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}
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toJSON () {
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const isDef = x => x !== undefined
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const obj = {}
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if (isDef(this.strikethrough)) obj.strikethrough = this.strikethrough
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if (isDef(this.obfuscated)) obj.obfuscated = this.obfuscated
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if (isDef(this.underlined)) obj.underlined = this.underlined
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if (isDef(this.clickEvent)) obj.clickEvent = this.clickEvent
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if (isDef(this.hoverEvent)) obj.hoverEvent = this.hoverEvent
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if (isDef(this.translate)) obj.translate = this.translate
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if (isDef(this.insertion)) obj.insertion = this.insertion
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if (isDef(this.italic)) obj.italic = this.italic
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if (isDef(this.color)) obj.color = this.color
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if (isDef(this.bold)) obj.bold = this.bold
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if (isDef(this.font)) obj.font = this.font
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if (isDef(this.text)) { // text > keybind > score
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obj.text = this.text
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} else if (isDef(this.keybind)) {
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obj.keybind = this.keybind
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} else if (isDef(this.score)) {
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obj.score = this.score
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}
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if (isDef(this.translate) && this.with.length > 0) {
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obj.with = this.with
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}
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if (this.extra.length > 0) {
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obj.extra = this.extra
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}
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return obj
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}
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toString () {
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return JSON.stringify(this)
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}
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static fromString (str, { colorSeparator = '&' } = {}) {
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let lastObj = null
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let currString = ''
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for (let i = str.length - 1; i > -1; i--) {
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const char = str.substring(i, i + 1)
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if (char !== colorSeparator) currString += char
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else {
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const text = currString.split('').reverse()
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const color = supportedColors[text.shift()]
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const newObj = new MessageBuilder()
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if (color === 'obfuscated') {
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newObj.setObfuscated(true)
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} else if (color === 'bold') {
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newObj.setBold(true)
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} else if (color === 'strikethrough') {
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newObj.setStrikethrough(true)
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} else if (color === 'underlined') {
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newObj.setUnderlined(true)
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} else if (color === 'italic') {
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newObj.setItalic(true)
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} else if (color === 'reset') {
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newObj.resetFormatting()
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} else {
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newObj.setColor(color)
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}
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newObj.setText(text.join(''))
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if (lastObj === null) lastObj = newObj
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else lastObj = newObj.addExtra(lastObj)
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currString = ''
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}
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}
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if (currString !== '') {
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const txt = currString.split('').reverse().join('')
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if (lastObj !== null) lastObj = new MessageBuilder().setText(txt).addExtra(lastObj)
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else lastObj = new MessageBuilder().setText(txt)
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}
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return lastObj
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}
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}
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return { MessageBuilder }
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}
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module.exports = loader
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