after npm run build , terminal show some error like this:
[!] Error: Must use import to load ES Module: F:\Folder-ssx\Code\leafletmapviewcontext\node_modules\@ec-nordbund\rollup-plugin-leaflet\dist\index.js
require() of ES modules is not supported.
require() of F:\Folder-ssx\Code\leafletmapviewcontext\node_modules\@ec-nordbund\rollup-plugin-leaflet\dist\index.js from F:\Folder-ssx\Code\leafletmapviewcontext\rollup.config-1689657728634.cjs is an ES module file as it is a .js file whose nearest parent package.json contains "type": "module" which defines all .js files in that package scope as ES modules.
Instead rename index.js to end in .cjs, change the requiring code to use import(), or remove "type": "module" from F:\Folder-ssx\Code\leafletmapviewcontext\node_modules\@ec-nordbund\rollup-plugin-leaflet\package.json.
when i remove the bundleConfigAsCjs flag, the rollup.config.js file will go wrong, SyntaxError: Cannot use import statement outside a module: import resolve from '@rollup/plugin-node-resolve';
// some blocks in my package.json "devDependencies": { "@ec-nordbund/rollup-plugin-leaflet": "^1.0.0", "@rollup/plugin-commonjs": "^25.0.2", "@rollup/plugin-node-resolve": "^15.1.0", "rollup": "^3.26.2" }, "scripts": { "build": "rollup --config --bundleConfigAsCjs", },
after npm run build , terminal show some error like this: [!] Error: Must use import to load ES Module: F:\Folder-ssx\Code\leafletmapviewcontext\node_modules\@ec-nordbund\rollup-plugin-leaflet\dist\index.js require() of ES modules is not supported. require() of F:\Folder-ssx\Code\leafletmapviewcontext\node_modules\@ec-nordbund\rollup-plugin-leaflet\dist\index.js from F:\Folder-ssx\Code\leafletmapviewcontext\rollup.config-1689657728634.cjs is an ES module file as it is a .js file whose nearest parent package.json contains "type": "module" which defines all .js files in that package scope as ES modules. Instead rename index.js to end in .cjs, change the requiring code to use import(), or remove "type": "module" from F:\Folder-ssx\Code\leafletmapviewcontext\node_modules\@ec-nordbund\rollup-plugin-leaflet\package.json.