Add Dasel Converter

src/converters/dasel.ts

@@ -0,0 +1,59 @@
+import { execFile as execFileOriginal } from "node:child_process";
+import { ExecFileFn } from "./types";
+
+export const properties = {
+  from: {
+    document: [
+      "yaml",
+      "toml",
+      "json",
+      "xml",
+      "csv",
+    ],
+  },
+  to: {
+    document: [
+      "yaml",
+      "toml",
+      "json",
+      "csv"
+    ],
+  },
+};
+
+export async function convert(
+  filePath: string,
+  fileType: string,
+  convertTo: string,
+  targetPath: string,
+  options?: unknown,
+  execFile: ExecFileFn = execFileOriginal, // to make it mockable
+): Promise<string> {
+  const args: string[] = [];
+
+  args.push("--file", filePath);
+  args.push("--read", fileType);
+  args.push("--write", convertTo);
+
+  const fs = require("fs");
+  return new Promise((resolve, reject) => {
+    execFile("dasel", args, (error, stdout, stderr) => {
+      if (error) {
+        reject(`error: ${error}`);
+        return;
+      }
+
+      if (stderr) {
+        console.error(`stderr: ${stderr}`);
+      }
+
+      fs.writeFile(targetPath, stdout, (err: NodeJS.ErrnoException | null) => {
+        if (err) {
+          reject(`Failed to write output: ${err}`);
+        } else {
+          resolve("Done");
+        }
+      });
+    });
+  });
+}

src/converters/main.ts

@@ -4,6 +4,7 @@ import { MAX_CONVERT_PROCESS } from "../helpers/env";
 import { normalizeFiletype, normalizeOutputFiletype } from "../helpers/normalizeFiletype";
 import { convert as convertassimp, properties as propertiesassimp } from "./assimp";
 import { convert as convertCalibre, properties as propertiesCalibre } from "./calibre";
+import { convert as convertDasel, properties as propertiesDasel } from "./dasel";
 import { convert as convertDvisvgm, properties as propertiesDvisvgm } from "./dvisvgm";
 import { convert as convertFFmpeg, properties as propertiesFFmpeg } from "./ffmpeg";
 import {
@@ -82,6 +83,10 @@ const properties: Record<
     properties: propertiesCalibre,
     converter: convertCalibre,
   },
+  dasel: {
+    properties: propertiesDasel,
+    converter: convertDasel,
+  },
   libreoffice: {
     properties: propertiesLibreOffice,
     converter: convertLibreOffice,