The answer is in two parts.
Explosion
, / node_modules . - npm ( --save npm), composer.json package.json . , ( vendor + node_modules) , package.json composer.json - , / jsons.
...
, / node_modules ? , . , .
(github, bitbucket ..), , git push ? , , . , , .
, php artisan migrate , , , git hooks, (, , //). install + npm package.json composer.json( git). , , / jsons - β 3.x.x - , , , .