mrmBot-Matrix/commands/reverse.js

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const gm = require("gm").subClass({
imageMagick: true
});
exports.run = async (message) => {
message.channel.sendTyping();
const image = await require("../utils/imagedetect.js")(message);
if (image === undefined) return `${message.author.mention}, you need to provide a GIF to reverse!`;
if (image.type !== "gif") return `${message.author.mention}, that isn't a GIF!`;
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const buffer = await gm(image.path).coalesce().out("-reverse").bufferPromise(image.type, image.delay);
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return message.channel.createMessage("", {
file: buffer,
name: "reverse.gif"
});
};
exports.aliases = ["backwards"];
exports.category = 5;
exports.help = "Reverses a GIF";