api functions

Author: zawata

build.js

@@ -1,10 +1,10 @@
 const { stat } = require('fs/promises');
 const path = require('path');
-const {promises: fs, constants } = require('fs');
+const { promises: fs, constants } = require('fs');
 const { promisify } = require('util');
 const execFile = promisify(require('child_process').execFile);
 
-const { spawn, paths, exists } = require('./util');
+const { spawn, paths, exists } = require('./shared');
 
 (async () => {
   if (await exists(paths.exeFinal)) {

index.d.ts

@@ -0,0 +1,2 @@
+function dumpSymbolsSync(filePath: string, cb: (e: Error, b: Buffer) => void): void;
+function dumpSymbols(filePath: string): Promise<Buffer>;

index.js

@@ -0,0 +1,18 @@
+const { exists, paths, spawn } = require('./shared')
+const { promisify } = require('util');
+
+const dumpSymbolSync = function (binaryPath, callback) {
+  exists(paths.exeFinal)
+  .then(binExists => {
+    if (!binExists) {
+      throw new Error('Unable to find "dump_syms"');
+    }
+
+    return spawn(paths.exeFinal, [binaryPath]);
+  })
+  .then(b => callback(null, b))
+  .catch(e => callback(e, null))
+}
+
+module.exports.dumpSymbolSync = dumpSymbolSync;
+module.exports.dumpSymbol = promisify(dumpSymbolSync);

util.js shared.jsutil.js renamed to shared.js

@@ -6,9 +6,8 @@ const spawn = (...args) => new Promise((resolve, reject) => {
   let stdout = Buffer.alloc(0);
   let stderr = Buffer.alloc(0);
   const child = spawnSync(...args);
-  const concat = (o) => (b) => o = Buffer.concat([o, b]);
-  child.stdout.on('data', concat(stdout));
-  child.stderr.on('data', concat(stderr));
+  child.stdout.on('data', (b) => stdout = Buffer.concat([stdout, b]));
+  child.stderr.on('data', (b) => stderr = Buffer.concat([stderr, b]));
   child.on('close', function (code) {
     if (code !== 0) {
       reject(stderr ? new Error(stderr.toString()) : new Error(`Command ${command} failed ${code}`));