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Embed.ts
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Embed.ts
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import type { APIEmbedField } from 'discord-api-types/v10';
import {
authorNamePredicate,
colorPredicate,
descriptionPredicate,
embedFieldsArrayPredicate,
footerTextPredicate,
timestampPredicate,
titlePredicate,
urlPredicate,
validateFieldLength,
} from './Assertions';
import { EmbedAuthorOptions, EmbedFooterOptions, RGBTuple, UnsafeEmbedBuilder } from './UnsafeEmbed';
/**
* Represents a validated embed in a message (image/video preview, rich embed, etc.)
*/
export class EmbedBuilder extends UnsafeEmbedBuilder {
public override addFields(...fields: APIEmbedField[]): this {
// Ensure adding these fields won't exceed the 25 field limit
validateFieldLength(fields.length, this.data.fields);
// Data assertions
return super.addFields(...embedFieldsArrayPredicate.parse(fields));
}
public override spliceFields(index: number, deleteCount: number, ...fields: APIEmbedField[]): this {
// Ensure adding these fields won't exceed the 25 field limit
validateFieldLength(fields.length - deleteCount, this.data.fields);
// Data assertions
return super.spliceFields(index, deleteCount, ...embedFieldsArrayPredicate.parse(fields));
}
public override setAuthor(options: EmbedAuthorOptions | null): this {
if (options === null) {
return super.setAuthor(null);
}
// Data assertions
authorNamePredicate.parse(options.name);
urlPredicate.parse(options.iconURL);
urlPredicate.parse(options.url);
return super.setAuthor(options);
}
public override setColor(color: number | RGBTuple | null): this {
// Data assertions
return super.setColor(colorPredicate.parse(color));
}
public override setDescription(description: string | null): this {
// Data assertions
return super.setDescription(descriptionPredicate.parse(description));
}
public override setFooter(options: EmbedFooterOptions | null): this {
if (options === null) {
return super.setFooter(null);
}
// Data assertions
footerTextPredicate.parse(options.text);
urlPredicate.parse(options.iconURL);
return super.setFooter(options);
}
public override setImage(url: string | null): this {
// Data assertions
return super.setImage(urlPredicate.parse(url)!);
}
public override setThumbnail(url: string | null): this {
// Data assertions
return super.setThumbnail(urlPredicate.parse(url)!);
}
public override setTimestamp(timestamp: number | Date | null = Date.now()): this {
// Data assertions
return super.setTimestamp(timestampPredicate.parse(timestamp));
}
public override setTitle(title: string | null): this {
// Data assertions
return super.setTitle(titlePredicate.parse(title));
}
public override setURL(url: string | null): this {
// Data assertions
return super.setURL(urlPredicate.parse(url)!);
}
}