feat: add dvisvgm

Dockerfile

@@ -40,15 +40,17 @@ RUN apt-get update && apt-get install -y \
   assimp-utils \
   calibre \
   dcraw \
+  dvisvgm \
   ffmpeg \
   ghostscript \
   graphicsmagick \
+  imagemagick-7.q16 \
   inkscape \
   libheif-examples \
   libjxl-tools \
   libva2 \
   libvips-tools \
-  imagemagick-7.q16 \
+  mupdf-tools \
   pandoc \
   poppler-utils \
   potrace \

README.md

@@ -33,6 +33,7 @@ A self-hosted online file converter. Supports over a thousand different formats.
 | [XeLaTeX](https://tug.org/xetex/)                                            | LaTeX         | 1             | 1           |
 | [Calibre](https://calibre-ebook.com/)                                        | E-books       | 26            | 19          |
 | [Pandoc](https://pandoc.org/)                                                | Documents     | 43            | 65          |
+| [dvisvgm](https://dvisvgm.de/)                                               | Vector images | 4             | 2           |
 | [ImageMagick](https://imagemagick.org/)                                      | Images        | 245           | 183         |
 | [GraphicsMagick](http://www.graphicsmagick.org/)                             | Images        | 167           | 130         |
 | [Inkscape](https://inkscape.org/)                                            | Vector images | 7             | 17          |
@@ -88,7 +89,7 @@ All are optional, JWT_SECRET is recommended to be set.
 | AUTO_DELETE_EVERY_N_HOURS | 24 | Checks every n hours for files older then n hours and deletes them, set to 0 to disable |
 | WEBROOT                   |  | The address to the root path setting this to "/convert" will serve the website on "example.com/convert/" |
 | FFMPEG_ARGS               |  | Arguments to pass to ffmpeg, e.g. `-preset veryfast` |
-| HIDE_HISTORY             | false | Hide the history page |
+| HIDE_HISTORY              | false | Hide the history page |
 
 ### Docker images
 
@@ -133,17 +134,12 @@ Use [conventional commits](https://www.conventionalcommits.org/en/v1.0.0/#summar
 
 ## Todo
 
-- [x] Add messages for errors in converters
-- [x] Add searchable list of formats
 - [ ] Add options for converters
-- [ ] Divide index.tsx into smaller components
 - [ ] Add tests
-- [ ] Make the upload button nicer and more easy to drop files on. Support copy paste as well if possible.
 - [ ] Make errors logs visible from the web ui
 - [ ] Add more converters:
   - [ ] [deark](https://github.com/jsummers/deark)
   - [ ] LibreOffice
-  - [ ] [dvisvgm](https://github.com/mgieseki/dvisvgm)
 
 ## Contributors
 

compose.yaml

@@ -14,5 +14,6 @@ services:
       # - FFMPEG_ARGS=-hwaccel vulkan # additional arguments to pass to ffmpeg
       # - WEBROOT=/convertx # the root path of the web interface, leave empty to disable
       # - HIDE_HISTORY=true # hides the history tab in the web interface, defaults to false
+      - TZ=Europe/Stockholm # set your timezone, defaults to UTC
     ports:
       - 3000:3000

src/converters/dvisvgm.ts

@@ -0,0 +1,52 @@
+import { execFile } from "node:child_process";
+
+export const properties = {
+  from: {
+    images: ["dvi", "xdv", "pdf", "eps"],
+  },
+  to: {
+    images: ["svg", "svgz"],
+  },
+};
+
+export function convert(
+  filePath: string,
+  fileType: string,
+  convertTo: string,
+  targetPath: string,
+  // eslint-disable-next-line @typescript-eslint/no-unused-vars
+  options?: unknown,
+): Promise<string> {
+  const inputArgs: string[] = [];
+  if (fileType === "eps") {
+    inputArgs.push("--eps");
+  }
+  if (fileType === "pdf") {
+    inputArgs.push("--pdf");
+  }
+  if (convertTo === "svgz") {
+    inputArgs.push("-z");
+  }
+
+  return new Promise((resolve, reject) => {
+    execFile(
+      "dvisvgm",
+      [...inputArgs, filePath, "-o", targetPath],
+      (error, stdout, stderr) => {
+        if (error) {
+          reject(`error: ${error}`);
+        }
+
+        if (stdout) {
+          console.log(`stdout: ${stdout}`);
+        }
+
+        if (stderr) {
+          console.error(`stderr: ${stderr}`);
+        }
+
+        resolve("Done");
+      },
+    );
+  });
+}

src/converters/main.ts

@@ -12,6 +12,7 @@ import { convert as convertCalibre, properties as propertiesCalibre } from "./ca
 import { convert as convertLibheif, properties as propertiesLibheif } from "./libheif";
 import { convert as convertPotrace, properties as propertiesPotrace } from "./potrace";
 import { convert as convertImagemagick, properties as propertiesImagemagick } from "./imagemagick";
+import { convert as convertDvisvgm, properties as propertiesDvisvgm } from "./dvisvgm";
 
 
 // This should probably be reconstructed so that the functions are not imported instead the functions hook into this to make the converters more modular
@@ -72,6 +73,10 @@ const properties: Record<
     properties: propertiesPandoc,
     converter: convertPandoc,
   },
+  dvisvgm: {
+    properties: propertiesDvisvgm,
+    converter: convertDvisvgm,
+  },
   imagemagick: {
     properties: propertiesImagemagick,
     converter: convertImagemagick,