plugins - Gruntjs: How to make copy task to copy only changed files on watch -


so on grunt-contrib-watch plugin info page, there example on how make jshint run changed file.

grunt.initconfig({   watch: {     scripts: {       files: ['lib/*.js'],       tasks: ['jshint'],       options: {         nospawn: true,       },     },   },   jshint: {     all: ['lib/*.js'],   }, });  grunt.event.on('watch', function(action, filepath) {   grunt.config(['jshint', 'all'], filepath); });

i have not tested example self. took , applied copy task, unsuccessfully. grunt-contrib-copy task set copy images , templates angular project. , happy know if can make work copy task , if can, doing wrong.

thank much.

here stripped out gruntfile.js.

// build configurations. module.exports = function(grunt){    // project configuration.     grunt.initconfig({        pkg: grunt.file.readjson('package.json'),        // copies directories , files 1 location another.       copy: {         // development         devtmpl: {           files: [{             cwd     : 'src/tpl/',             src     : ['**/*'],              dest    : 'app/tpl/',             flatten : false,             expand  : true           }]         },         devimg: {           files: [{             cwd     : 'src/img/',             src     : ['**/*'],              dest    : 'app/img/',              flatten : false,             expand  : true           }]         }       },        // watch files changes , run tasks        watch: {         // templates, copy         templates: {           files : 'src/tpl/**/*',           tasks : ['copy:devtmpl'],           options: {             nospawn: true,           }         },         // images, copy         images: {           files : 'src/img/**/*',           tasks : ['copy:devimg'],           options: {             nospawn: true,           }         }       }      });    // watch events     grunt.event.on('watch', function(action, filepath) {       // configure copy:devtmpl run on changed file       grunt.config(['copy','devtmpl'], filepath);       // configure copy:devimg run on changed file       grunt.config(['copy','devimg'], filepath);     });    // plugins:     grunt.loadnpmtasks('grunt-contrib-copy');     // tasks:      /* dev: compiles app non-optimized build settings, places build artifacts in dist directory, , watches file changes.     run: grunt dev */     grunt.registertask('dev', 'running "development", watching files , compiling...', [       'default',       'watch'     ]);      /* default: compiles app non-optimized build settings , places build artifacts in dist directory.     run: grunt */     grunt.registertask('default', 'running "default", compiling everything.', [       'copy:devtmpl',       'copy:devimg'     ]);  }

use grunt-sync (https://npmjs.org/package/grunt-sync) instead of grunt-contrib-copy, , watch directories want synced.

update - here's example:

grunt.initconfig({   sync: {     copy_resources_to_www: {       files: [         { cwd: 'src', src: 'img/**', dest: 'www' },         { cwd: 'src', src: 'res/**', dest: 'www' }       ]     }   } });

cwd means current working directory. copy_resources_to_www label.


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