fix: improve handling of php executable

package.json

@@ -53,6 +53,7 @@
   "devDependencies": {
     "@commitlint/cli": "7.2.1",
     "@commitlint/config-conventional": "7.1.2",
+    "@types/execa": "0.9.0",
     "@types/mocha": "5.2.5",
     "@types/mz": "0.0.32",
     "@types/node": "8.10.29",
@@ -65,6 +66,7 @@
     "vscode": "1.1.21"
   },
   "dependencies": {
+    "execa": "1.0.0",
     "mz": "2.7.0",
     "semver": "5.5.1",
     "vscode-languageclient": "5.0.1"

src/extension.ts

@@ -1,16 +1,19 @@
 
 import * as path from 'path';
-import { spawn, execFile, ChildProcess } from 'mz/child_process';
+import { spawn, ChildProcess } from 'mz/child_process';
 import * as vscode from 'vscode';
 import { LanguageClient, LanguageClientOptions, StreamInfo } from 'vscode-languageclient';
 import * as semver from 'semver';
 import * as net from 'net';
 import * as url from 'url';
+import execa from 'execa';
 
 export async function activate(context: vscode.ExtensionContext): Promise<void> {
 
     const conf = vscode.workspace.getConfiguration('php');
-    const executablePath = conf.get<string>('executablePath') || 'php';
+    const executablePath = conf.get<string>('executablePath') ||
+        conf.get<string>('validate.executablePath') ||
+        (process.platform === 'win32' ? 'php.exe' : 'php');
 
     const memoryLimit = conf.get<string>('memoryLimit') || '4095M';
 
@@ -28,7 +31,7 @@ export async function activate(context: vscode.ExtensionContext): Promise<void>
     // Check path (if PHP is available and version is ^7.0.0)
     let stdout: string;
     try {
-        [stdout] = await execFile(executablePath, ['--version']);
+        stdout = await execa.stdout(executablePath, ['--version']);
     } catch (err) {
         if (err.code === 'ENOENT') {
             const selected = await vscode.window.showErrorMessage(

tsconfig.json

@@ -4,6 +4,7 @@
 		"module": "commonjs",
 		"moduleResolution": "node",
 		"outDir": "out",
+    "esModuleInterop": true,
 		"lib": [
       "es6"
     ],