File size: 2,626 Bytes
fc93158 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 | import type { IMessagePayload } from "./types.js";
function isRecord(value: unknown): value is Record<string, unknown> {
return Boolean(value) && typeof value === "object" && !Array.isArray(value);
}
function isOptionalString(value: unknown): value is string | null | undefined {
return value === undefined || value === null || typeof value === "string";
}
function isOptionalStringOrNumber(value: unknown): value is string | number | null | undefined {
return (
value === undefined || value === null || typeof value === "string" || typeof value === "number"
);
}
function isOptionalNumber(value: unknown): value is number | null | undefined {
return value === undefined || value === null || typeof value === "number";
}
function isOptionalBoolean(value: unknown): value is boolean | null | undefined {
return value === undefined || value === null || typeof value === "boolean";
}
function isOptionalStringArray(value: unknown): value is string[] | null | undefined {
return (
value === undefined ||
value === null ||
(Array.isArray(value) && value.every((entry) => typeof entry === "string"))
);
}
function isOptionalAttachments(value: unknown): value is IMessagePayload["attachments"] {
if (value === undefined || value === null) {
return true;
}
if (!Array.isArray(value)) {
return false;
}
return value.every((attachment) => {
if (!isRecord(attachment)) {
return false;
}
return (
isOptionalString(attachment.original_path) &&
isOptionalString(attachment.mime_type) &&
isOptionalBoolean(attachment.missing)
);
});
}
export function parseIMessageNotification(raw: unknown): IMessagePayload | null {
if (!isRecord(raw)) {
return null;
}
const maybeMessage = raw.message;
if (!isRecord(maybeMessage)) {
return null;
}
const message: IMessagePayload = maybeMessage;
if (
!isOptionalNumber(message.id) ||
!isOptionalNumber(message.chat_id) ||
!isOptionalString(message.sender) ||
!isOptionalBoolean(message.is_from_me) ||
!isOptionalString(message.text) ||
!isOptionalStringOrNumber(message.reply_to_id) ||
!isOptionalString(message.reply_to_text) ||
!isOptionalString(message.reply_to_sender) ||
!isOptionalString(message.created_at) ||
!isOptionalAttachments(message.attachments) ||
!isOptionalString(message.chat_identifier) ||
!isOptionalString(message.chat_guid) ||
!isOptionalString(message.chat_name) ||
!isOptionalStringArray(message.participants) ||
!isOptionalBoolean(message.is_group)
) {
return null;
}
return message;
}
|