Watcher not detecting changes #4126

Watcher with no apparent reason stops detecting changes after days of working on an Angular-CLI generated project.

Terminal log

** NG Live Development Server is running on http://localhost:4200. ** Hash: 79946579d155f182654d Time: 17937ms chunk {0} main.bundle.js, main.bundle.map (main) 38 kB {3} [initial] [rendered] chunk {1} styles.bundle.js, styles.bundle.map (styles) 408 kB {4} [initial] [rendered] chunk {2} scripts.bundle.js, scripts.bundle.map (scripts) 401 kB {4} [initial] [rendered] chunk {3} vendor.bundle.js, vendor.bundle.map (vendor) 2.9 MB [initial] [rendered] chunk {4} inline.bundle.js, inline.bundle.map (inline) 0 bytes [entry] [rendered] webpack: bundle is now VALID.

angular-cli.json

{
"project": {
"version": "2.7.0",
"name": "inspinia"
},
"apps": [
{
"root": "src",
"outDir": "dist",
"assets": [
"assets",
"favicon.ico"
],
"index": "index.html",
"main": "main.ts",
"test": "test.ts",
"tsconfig": "tsconfig.json",
"prefix": "app",
"mobile": false,
"styles": [
"../node_modules/bootstrap/dist/css/bootstrap.css",
"../node_modules/font-awesome/css/font-awesome.css",
"assets/styles/styles.css"
],
"scripts": [
"../node_modules/jquery/dist/jquery.js",
"../node_modules/metismenu/dist/metisMenu.js",
"../src/vendor/pace/pace.min.js",
"../node_modules/bootstrap/dist/js/bootstrap.js"
],
"environments": {
"source": "environments/environment.ts",
"dev": "environments/environment.ts",
"prod": "environments/environment.prod.ts"
}
}
],
"addons": [],
"packages": [],
"e2e": {
"protractor": {
"config": "./protractor.conf.js"
}
},
"test": {
"karma": {
"config": "./karma.conf.js"
}
},
"defaults": {
"styleExt": "css",
"prefixInterfaces": false,
"inline": {
"style": false,
"template": false
},
"spec": {
"class": false,
"component": true,
"directive": true,
"module": false,
"pipe": true,
"service": true
}
}
}

package.json

{
"name": "inspinia",
"version": "2.7.0",
"license": "Wrapbootstrap",
"angular-cli": {},
"scripts": {
"start": "ng serve",
"lint": "tslint "src/**/*.ts"",
"test": "ng test",
"pree2e": "webdriver-manager update",
"e2e": "protractor"
},
"private": true,
"dependencies": {
"@angular/common": "~2.4.4",
"@angular/compiler": "~2.4.4",
"@angular/core": "~2.4.4",
"@angular/forms": "~2.4.4",
"@angular/http": "~2.4.4",
"@angular/platform-browser": "~2.4.4",
"@angular/platform-browser-dynamic": "~2.4.4",
"@angular/router": "~3.4.4",
"core-js": "^2.4.1",
"rxjs": "5.0.3",
"ts-helpers": "^1.1.1",
"zone.js": "^0.7.6",
"animate.css": "3.5.2",
"bootstrap": "^3.3.7",
"font-awesome": "^4.7.0",
"jquery": "^3.1.0",
"metismenu": "^2.5.0"
},
"devDependencies": {
"@types/jasmine": "^2.2.30",
"@types/node": "^7.0.0",
"angular-cli": "1.0.0-beta.25.5",
"codelyzer": "2.0.0-beta.4",
"jasmine-core": "2.5.2",
"jasmine-spec-reporter": "3.2.0",
"karma": "1.4.0",
"karma-chrome-launcher": "^2.0.0",
"karma-cli": "^1.0.1",
"karma-jasmine": "^1.0.2",
"karma-remap-istanbul": "^0.4.0",
"protractor": "5.0.0",
"ts-node": "2.0.0",
"tslint": "4.3.1",
"typescript": "~2.1.5"
}
}