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dev tool working but not build

See original GitHub issue

🐛 bug report

parcel dev works fine in my application, but parcel build gives me the following error :

🚨  /home/alexis/Projects/VisualQueries/VisualQueries/node_modules/jquery-ui-dist/jquery-ui.theme.css:undefined:undefined: plugin is not a function
    at LazyResult.run (/usr/local/lib/node_modules/parcel-bundler/node_modules/postcss/lib/lazy-result.js:288:14)
    at LazyResult.asyncTick (/usr/local/lib/node_modules/parcel-bundler/node_modules/postcss/lib/lazy-result.js:212:26)
    at /usr/local/lib/node_modules/parcel-bundler/node_modules/postcss/lib/lazy-result.js:254:14
    at new Promise (<anonymous>)
    at LazyResult.async (/usr/local/lib/node_modules/parcel-bundler/node_modules/postcss/lib/lazy-result.js:250:23)
    at LazyResult.then (/usr/local/lib/node_modules/parcel-bundler/node_modules/postcss/lib/lazy-result.js:131:17)
npm ERR! code 1
npm ERR! path /home/alexis/Projects/VisualQueries/VisualQueries
npm ERR! command failed
npm ERR! command sh -c parcel build src/index.html

npm ERR! A complete log of this run can be found in:
npm ERR!     /home/alexis/.npm/_logs/2021-06-08T09_37_51_646Z-debug.log

I think it has something to do with the minification process of the css. If I build with “parcel build src/index.html --no-minify” it works.

🎛 Configuration (.babelrc, package.json, cli command)

My package.json file :

{
  "name": "visualqueries",
  "version": "1.0.0",
  "description": "Social network dynamic query system",
  "main": "src/index.html",
  "scripts": {
    "test": "cypress open",
    "dev": "parcel src/index.html",
    "build": "parcel build src/index.html",
    "update": "npm update git+ssh://git@gitlab.inria.fr/fekete/cypher-compiler-js.git; npm i git+ssh://git@gitlab.inria.fr/fekete/cypher-compiler-js.git"
  },
  "author": "Alexis Pister",
  "license": "ISC",
  "dependencies": {
    "canvas-lasso": "^1.0.0",
    "codemirror": "^5.61.0",
    "cypher-compiler-js": "git+ssh://git@gitlab.inria.fr/fekete/cypher-compiler-js.git",
    "d3": "^6.7.0",
    "d3-drag": "^2.0.0",
    "d3-selection": "^2.0.0",
    "datatables.net": "^1.10.24",
    "datatables.net-buttons": "^1.7.0",
    "datatables.net-buttons-dt": "^1.7.0",
    "datatables.net-buttons-se": "^1.7.0",
    "datatables.net-dt": "^1.10.24",
    "datatables.net-jqui": "^1.10.24",
    "datatables.net-se": "^1.10.24",
    "es6-promise": "^4.2.8",
    "flatted": "^3.1.1",
    "fomantic-ui": "^2.8.7",
    "jquery": "^3.6.0",
    "jquery-ui": "^1.12.1",
    "jquery-ui-bundle": "^1.12.1-migrate",
    "jquery-ui-dist": "^1.12.1",
    "jszip": "^3.6.0",
    "lasso-canvas-image": "^1.4.2",
    "leaflet": "^1.7.1",
    "pdfmake": "^0.1.71",
    "react": "^17.0.2",
    "react-dom": "^17.0.2",
    "regenerator-runtime": "^0.13.7",
    "sortablejs": "^1.13.0",
    "stream": "^0.0.2",
    "update": "^0.7.4",
    "webcola": "^3.4.0"
  },
  "devDependencies": {
    "@visdesignlab/trrack": "^2.0.0-alpha.10",
    "@visdesignlab/trrack-vis": "^2.0.0-alpha.12",
    "chance": "^1.1.7"
  }
}