apply-diagnostic-modules.js

// a workaround for cordova-diagnostic-plugin: the plugin ignores Capacitor config setting and installs all its features

const fs = require('fs')
const path = require('path')

const rootdir = ''
const pluginConfig = path.join(rootdir, 'node_modules/cordova.plugins.diagnostic/plugin.xml')

const configFiles = [pluginConfig]
const usedModules = ['CAMERA']
const diagnosticModuleStartRegex = getModuleFeatureStartRegex('.+')

function getModuleFeatureStartRegex(module) {
  return RegExp(`(<!--BEGIN_MODULE (?<moduleName>${module.toUpperCase()})-->).*`, 'g')
}

function getModuleFeatureEndRegex(module) {
  return RegExp(`.*(<!--END_MODULE (?<moduleName>${module.toUpperCase()})-->)`, 'g')
}

function removeUnusedModules(configFile) {
  fs.readFile(configFile, 'utf8', function(err, data) {
    if (err) {
      return console.log(err)
    }

    let result = data
    let unusedModules = []
    while ((match = diagnosticModuleStartRegex.exec(result))) {
      const moduleName = match.groups.moduleName
      const isUsed =
        usedModules
          .map(function(item) {
            return item.toUpperCase()
          })
          .indexOf(moduleName.toUpperCase()) > -1

      if (!isUsed) {
        unusedModules.push(moduleName)
      }
    }

    if (unusedModules.length > 0) {
      result = result.replace(getModuleFeatureStartRegex(unusedModules.join('|')), '$1 <!--')
      result = result.replace(getModuleFeatureEndRegex(unusedModules.join('|')), '--> $1')

      fs.writeFile(configFile, result, 'utf8', function(err) {
        if (err) {
          console.log(err)
        }
      })
    }
  })
}

configFiles.forEach(configFile => removeUnusedModules(configFile))