69 lines
2.0 KiB
TypeScript
69 lines
2.0 KiB
TypeScript
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import fs from "fs-extra";
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import dotenv from "dotenv";
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import ft from "file-type";
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import core from "file-type/core";
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import path, { resolve } from "path";
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import { logger } from "../server";
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import { FolderPaths } from "./serverInit";
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const heicConverter = require("heic-convert");
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//gm.subClass();
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dotenv.config({
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path: resolve(process.cwd(), `.env.${process.env.NODE_ENV || "development"}`),
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});
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export async function ConvertHeicFiles(files: Express.Multer.File[]) {
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for (const file of files) {
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const type: core.FileTypeResult | undefined = await ft.fromFile(file.path);
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if (type?.mime === "image/heic") {
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logger.log(
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"debug",
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`Converting ${file.filename} image to JPEG from HEIC.`
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);
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const convertedFileName = `${
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path.parse(path.basename(file.originalname)).name
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}-${Math.floor(Date.now() / 1000)}.jpeg`;
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await ConvertToJpeg(
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file.path,
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`${file.destination}/${convertedFileName}`
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);
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//Move the HEIC.
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if (process.env.KEEP_CONVERTED_ORIGINALS) {
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await fs.ensureDir(
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path.join(file.destination, FolderPaths.ConvertedOriginalSubDir)
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);
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await fs.move(
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file.path,
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`${path.join(
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file.destination,
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FolderPaths.ConvertedOriginalSubDir
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)}/${file.filename}`
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);
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} else {
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await fs.unlink(file.destination);
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}
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//Update the multer file entry.
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file.filename = convertedFileName;
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file.mimetype = "image/jpeg";
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file.path = `${file.destination}/${convertedFileName}`;
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}
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}
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}
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async function ConvertToJpeg(file: string, newPath: string) {
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const fileOnDisk: Buffer = await fs.readFile(file);
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const outputBuffer = await heicConverter({
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buffer: fileOnDisk, // the HEIC file buffer
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format: "JPEG", // output format
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quality: process.env.CONVERT_QUALITY || 0.5, // the jpeg compression quality, between 0 and 1
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});
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return await fs.writeFile(newPath, outputBuffer);
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}
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