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import { Channel, Guild } from "discord-types/general";
import { waitFor } from "../webpack";
export function _init(cmds: Command[]) {
try {
BUILT_IN = cmds;
OptionalMessageOption = cmds.find(c => c.name === "shrug")!.options![0];
RequiredMessageOption = cmds.find(c => c.name === "me")!.options![0];
} catch (e) {
console.error("Failed to load CommandsApi");
}
return cmds;
}
export let BUILT_IN: Command[];
export const commands = {} as Record<string, Command>;
// hack for plugins being evaluated before we can grab these from webpack
const OptPlaceholder = Symbol("OptionalMessageOption") as any as Option;
const ReqPlaceholder = Symbol("RequiredMessageOption") as any as Option;
/**
* Optional message option named "message" you can use in commands.
* Used in "tableflip" or "shrug"
* @see {@link RequiredMessageOption}
*/
export let OptionalMessageOption: Option = OptPlaceholder;
/**
* Required message option named "message" you can use in commands.
* Used in "me"
* @see {@link OptionalMessageOption}
*/
export let RequiredMessageOption: Option = ReqPlaceholder;
let SnowflakeUtils: any;
waitFor("fromTimestamp", m => SnowflakeUtils = m);
export function generateId() {
return `-${SnowflakeUtils.fromTimestamp(Date.now())}`;
}
/**
* Get the value of an option by name
* @param args Arguments array (first argument passed to execute)
* @param name Name of the argument
* @param fallbackValue Fallback value in case this option wasn't passed
* @returns Value
*/
export function findOption<T extends string | undefined>(args: Argument[], name: string, fallbackValue?: T): T extends undefined ? T : string {
return (args.find(a => a.name === name)?.value || fallbackValue) as any;
}
function modifyOpt(opt: Option | Command) {
opt.displayName ||= opt.name;
opt.displayDescription ||= opt.description;
opt.options?.forEach((opt, i, opts) => {
// See comment above Placeholders
if (opt === OptPlaceholder) opts[i] = OptionalMessageOption;
else if (opt === ReqPlaceholder) opts[i] = RequiredMessageOption;
modifyOpt(opts[i]);
});
}
export function registerCommand(command: Command, plugin: string) {
if (BUILT_IN.some(c => c.name === command.name))
throw new Error(`Command '${command.name}' already exists.`);
command.id ||= generateId();
command.applicationId ||= "-1"; // BUILT_IN;
command.type ||= ApplicationCommandType.CHAT_INPUT;
command.inputType ||= ApplicationCommandInputType.BUILT_IN_TEXT;
command.plugin ||= plugin;
modifyOpt(command);
commands[command.name] = command;
BUILT_IN.push(command);
}
export function unregisterCommand(name: string) {
const idx = BUILT_IN.findIndex(c => c.name === name);
if (idx === -1)
return false;
BUILT_IN.splice(idx, 1);
delete commands[name];
}
export interface CommandContext {
channel: Channel;
guild?: Guild;
}
export enum ApplicationCommandOptionType {
SUB_COMMAND = 1,
SUB_COMMAND_GROUP = 2,
STRING = 3,
INTEGER = 4,
BOOLEAN = 5,
USER = 6,
CHANNEL = 7,
ROLE = 8,
MENTIONABLE = 9,
NUMBER = 10,
ATTACHMENT = 11,
}
export enum ApplicationCommandInputType {
BUILT_IN = 0,
BUILT_IN_TEXT = 1,
BUILT_IN_INTEGRATION = 2,
BOT = 3,
PLACEHOLDER = 4,
}
export interface Option {
name: string;
displayName?: string;
type: ApplicationCommandOptionType;
description: string;
displayDescription?: string;
required?: boolean;
options?: Option[];
}
export enum ApplicationCommandType {
CHAT_INPUT = 1,
USER = 2,
MESSAGE = 3,
}
export interface CommandReturnValue {
content: string;
}
export interface Argument {
type: ApplicationCommandOptionType;
name: string;
value: string;
focused: undefined;
}
export interface Command {
id?: string;
applicationId?: string;
type?: ApplicationCommandType;
inputType?: ApplicationCommandInputType;
plugin?: string;
name: string;
displayName?: string;
description: string;
displayDescription?: string;
options?: Option[];
predicate?(ctx: CommandContext): boolean;
execute(args: Argument[], ctx: CommandContext): CommandReturnValue | void;
}
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