fix: restore default ext watch behaviour

Fixes: #2124
Ref: #1957

lib/config/defaults.js

@@ -23,7 +23,6 @@ const defaults = {
  // nodemon.on('stdout/stderr')
  stdout: true,
  watchOptions: {},
- ext: 'js mjs cjs json',
 };
 
 if ((process.env.NODE_OPTIONS || '').includes('--loader')) {

lib/config/exec.js

@@ -27,7 +27,7 @@ function execFromPackage() {
  if (pkg.scripts && pkg.scripts.start) {
  return { exec: pkg.scripts.start };
  }
- } catch (e) { }
+ } catch (e) {}
 
  return null;
 }
@@ -78,8 +78,10 @@ function exec(nodemonOptions, execMap) {
 
  // if there's no script passed, try to get it from the first argument
  if (!options.script && (options.args || []).length) {
- script = expandScript(options.args[0],
- options.ext && ('.' + (options.ext || 'js').split(',')[0]));
+ script = expandScript(
+ options.args[0],
+ options.ext && '.' + (options.ext || 'js').split(',')[0]
+ );
 
  // if the script was found, shift it off our args
  if (script !== options.args[0]) {
@@ -101,8 +103,7 @@ function exec(nodemonOptions, execMap) {
  if (!options.script) {
  options.script = found.script;
  }
- if (Array.isArray(options.args) &&
- options.scriptPosition === null) {
+ if (Array.isArray(options.args) && options.scriptPosition === null) {
  options.scriptPosition = options.args.length;
  }
  }
@@ -115,8 +116,8 @@ function exec(nodemonOptions, execMap) {
 
  var extension = options.ext;
  if (extension === undefined) {
- var isJS = scriptExt === 'js' || scriptExt === 'mjs';
- extension = (isJS || !scriptExt) ? 'js,mjs' : scriptExt;
+ var isJS = scriptExt === 'js' || scriptExt === 'mjs' || scriptExt === 'cjs';
+ extension = isJS || !scriptExt ? 'js,mjs,cjs' : scriptExt;
  extension += ',json'; // Always watch JSON files
  }
 
@@ -147,8 +148,10 @@ function exec(nodemonOptions, execMap) {
  });
 
  var newExec = substitution(options.exec);
- if (newExec !== options.exec &&
- options.exec.indexOf('{{filename}}') !== -1) {
+ if (
+ newExec !== options.exec &&
+ options.exec.indexOf('{{filename}}') !== -1
+ ) {
  options.script = null;
  }
  options.exec = newExec;
@@ -160,14 +163,16 @@ function exec(nodemonOptions, execMap) {
  }
  }
 
-
  if (options.exec === 'node' && options.nodeArgs && options.nodeArgs.length) {
  options.execArgs = options.execArgs.concat(options.nodeArgs);
  }
 
  // note: indexOf('coffee') handles both .coffee and .litcoffee
- if (!execDefined && options.exec === 'node' &&
- scriptExt.indexOf('coffee') !== -1) {
+ if (
+ !execDefined &&
+ options.exec === 'node' &&
+ scriptExt.indexOf('coffee') !== -1
+ ) {
  options.exec = 'coffee';
 
  // we need to get execArgs set before the script
@@ -187,7 +192,9 @@ function exec(nodemonOptions, execMap) {
  if (options.exec === 'coffee') {
  // don't override user specified extension tracking
  if (options.ext === undefined) {
- if (extension) { extension += ','; }
+ if (extension) {
+ extension += ',';
+ }
  extension += 'coffee,litcoffee';
  }
 
@@ -203,19 +210,21 @@ function exec(nodemonOptions, execMap) {
  // because the terminal will automatically expand the glob against
  // the file system :(
  extension = (extension.match(/[^,*\s]+/g) || [])
- .map(ext => ext.replace(/^\./, ''))
+ .map((ext) => ext.replace(/^\./, ''))
  .join(',');
 
  options.ext = extension;
 
  if (options.script) {
- options.script = expandScript(options.script,
- extension && ('.' + extension.split(',')[0]));
+ options.script = expandScript(
+ options.script,
+ extension && '.' + extension.split(',')[0]
+ );
  }
 
  options.env = {};
  // make sure it's an object (and since we don't have )
- if (({}).toString.apply(nodemonOptions.env) === '[object Object]') {
+ if ({}.toString.apply(nodemonOptions.env) === '[object Object]') {
  options.env = utils.clone(nodemonOptions.env);
  } else if (nodemonOptions.env !== undefined) {
  throw new Error('nodemon env values must be an object: { PORT: 8000 }');