Add FS functions

src/createWorker.js

@@ -59,6 +59,38 @@ module.exports = (_options = {}) => {
     }))
   );
 
+  const writeText = (path, text, jobId) => (
+    startJob(createJob({
+      id: jobId,
+      action: 'FS',
+      payload: { method: 'writeFile', args: [path, text] },
+    }))
+  );
+
+  const readText = (path, jobId) => (
+    startJob(createJob({
+      id: jobId,
+      action: 'FS',
+      payload: { method: 'readFile', args: [path, { encoding: 'utf8' }] },
+    }))
+  );
+
+  const removeText = (path, jobId) => (
+    startJob(createJob({
+      id: jobId,
+      action: 'FS',
+      payload: { method: 'unlink', args: [path] },
+    }))
+  );
+
+  const FS = (method, args, jobId) => (
+    startJob(createJob({
+      id: jobId,
+      action: 'FS',
+      payload: { method, args },
+    }))
+  );
+
   const loadLanguage = (langs = 'eng', jobId) => (
     startJob(createJob({
       id: jobId,
@@ -151,6 +183,10 @@ module.exports = (_options = {}) => {
     setResolve,
     setReject,
     load,
+    writeText,
+    readText,
+    removeText,
+    FS,
     loadLanguage,
     initialize,
     setParameters,

src/index.d.ts

@@ -15,6 +15,10 @@ declare namespace Tesseract {
 
   interface Worker {
     load(jobId?: string): Promise<ConfigResult>
+    writeText(path: string, text: string, jobId?: string): Promise<ConfigResult>
+    readText(path: string, jobId?: string): Promise<ConfigResult>
+    removeText(path: string, jobId?: string): Promise<ConfigResult>
+    FS(method: string, args: any[], jobId?: string): Promise<ConfigResult>
     loadLanguage(langs?: string, jobId?: string): Promise<ConfigResult>
     initialize(langs?: string, oem?: OEM, jobId?: string): Promise<ConfigResult>
     setParameters(params: Partial<WorkerParams>, jobId?: string): Promise<ConfigResult>

src/worker-script/index.js

@@ -54,6 +54,11 @@ const load = ({ workerId, jobId, payload: { options: { corePath, logging } } },
   }
 };
 
+const FS = ({ workerId, payload: { method, args } }, res) => {
+  log(`[${workerId}]: FS.${method} with args ${args}`);
+  res.resolve(TessModule.FS[method](...args));
+};
+
 const loadLanguage = async ({
   workerId,
   payload: {
@@ -280,6 +285,7 @@ exports.dispatchHandlers = (packet, send) => {
   try {
     ({
       load,
+      FS,
       loadLanguage,
       initialize,
       setParameters,