90 lines
2.1 KiB
JavaScript
90 lines
2.1 KiB
JavaScript
/*
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* Copyright (c) 2010-2018 Tim Düsterhus.
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*
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* Use of this software is governed by the Business Source License
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* included in the LICENSE file.
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*
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* Change Date: 2024-11-01
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*
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* On the date above, in accordance with the Business Source
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* License, use of this software will be governed by version 2
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* or later of the General Public License.
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*/
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define(['./CommandHandler', './Parser'], function (CommandHandler, Parser) {
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'use strict'
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const DEPENDENCIES = ['CommandHandler']
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class Autocompleter {
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constructor(commandHandler) {
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if (!(commandHandler instanceof CommandHandler))
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throw new TypeError(
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'You must pass a CommandHandler to the Autocompleter'
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)
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this.commandHandler = commandHandler
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}
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*autocomplete(text) {
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if (text === '/') {
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yield* this.autocompleteCommandTrigger(text, '')
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return
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}
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const [trigger, parameterString] = this.commandHandler.splitCommand(text)
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let command
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if (trigger === null) {
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command = this.commandHandler.getCommandByIdentifier(
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'be.bastelstu.chat',
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'plain'
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)
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} else {
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const triggerDone = Parser.Slash.thenRight(
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Parser.AlnumTrigger.or(Parser.SymbolicTrigger).thenLeft(
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Parser.Whitespace
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)
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).parse(Parser.Streams.ofString(text))
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if (!triggerDone.isAccepted()) {
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yield* this.autocompleteCommandTrigger(text, trigger)
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return
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}
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command = this.commandHandler.getCommandByTrigger(trigger)
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}
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if (command === null) {
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return
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}
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const values = command.autocomplete(parameterString)
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if (trigger !== null) {
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for (const item of values) {
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yield `/${trigger} ${item}`
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}
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} else {
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yield* values
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}
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}
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*autocompleteCommandTrigger(text, prefix) {
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const triggers = Array.from(this.commandHandler.getTriggers())
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triggers.sort()
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for (const trigger of triggers) {
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if (trigger === '') continue
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if (!trigger.startsWith(prefix)) continue
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if (!this.commandHandler.getCommandByTrigger(trigger).isAvailable)
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continue
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yield `/${trigger} `
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}
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}
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}
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Autocompleter.DEPENDENCIES = DEPENDENCIES
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return Autocompleter
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})
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