add webhook creation utility

m2d/actions/send-message.js

@@ -0,0 +1,23 @@
+// @ts-check
+
+const assert = require("assert").strict
+const DiscordTypes = require("discord-api-types/v10")
+const passthrough = require("../../passthrough")
+const {sync, discord, db} = passthrough
+
+/** @type {import("./register-webhook")} */
+const registerWebhook = sync.require("./register-webhook")
+
+/**
+ * @param {string} channelID
+ * @param {DiscordTypes.RESTPostAPIWebhookWithTokenJSONBody & {name: string, file: Buffer}[]} data
+ */
+// param {DiscordTypes.RESTPostAPIWebhookWithTokenQuery & {wait: true, disableEveryone?: boolean}} options
+async function sendMessage(channelID, data) {
+   const result = await registerWebhook.withWebhook(channelID, async webhook => {
+      return discord.snow.webhook.executeWebhook(webhook.id, webhook.token, data, {wait: true, disableEveryone: true})
+   })
+   return result
+}
+
+module.exports.sendMessage = sendMessage