control no-spinner from env var

bin/cli.js

@@ -3,13 +3,15 @@
 
 const path = require('path');
 const process = require('process');
-const program = require('commander');
+const {Command, Option} = require('commander');
 const rc = require('rc')('madge');
 const version = require('../package.json').version;
 const ora = require('ora');
 const chalk = require('chalk');
 const startTime = Date.now();
 
+const program = new Command();
+
 // Revert https://github.com/tj/commander.js/pull/1409
 program.storeOptionsAsProperties();
 
@@ -34,7 +36,7 @@ program
  .option('--ts-config <file>', 'path to typescript config')
  .option('--include-npm', 'include shallow NPM modules', false)
  .option('--no-color', 'disable color in output and image', false)
- .option('--no-spinner', 'disable progress spinner', false)
+ .addOption(new Option('--no-spinner', 'disable progress spinner', false).env(process.env.MADGE_NO_SPINNER))
  .option('--stdin', 'read predefined tree from STDIN', false)
  .option('--warning', 'show warnings about skipped files', false)
  .option('--debug', 'turn on debug output', false)
@@ -75,7 +77,8 @@ const spinner = ora({
  text: 'Finding files',
  color: 'white',
  interval: 100000,
- isEnabled: program.spinner
+ isEnabled: program.spinner,
+ isSilent: Boolean(process.env.MADGE_NO_SPINNER)
 });
 
 let exitCode = 0;

package.json

@@ -45,7 +45,7 @@
  },
  "dependencies": {
  "chalk": "^4.1.1",
- "commander": "^7.2.0",
+ "commander": "^8.2.0",
  "commondir": "^1.0.1",
  "debug": "^4.3.1",
  "dependency-tree": "^9.0.0",