fix(build): multiple pages with object config

Author: nklayman

__tests__/commands.spec.js

@@ -332,8 +332,8 @@ describe('electron:build', () => {
  const stringConfig = configType === 'string config'
  await runCommand('electron:build', {
  pages: {
- index: stringConfig ? '' : { fileName: 'index.html' },
- subpage: stringConfig ? '' : { fileName: 'subpage.html' }
+ index: stringConfig ? '' : { filename: 'index.html' },
+ subpage: stringConfig ? '' : { filename: 'subpage.html' }
  }
  })
  expect(fs.writeFileSync).toBeCalledWith(

index.js

@@ -113,9 +113,9 @@ module.exports = (api, options) => {
  // Mock data from legacy build
  const pages = options.pages || { index: '' }
  Object.keys(pages).forEach(page => {
- if (pages[page].fileName) {
+ if (pages[page].filename) {
  // If page is configured as an object, use the filename (without .html)
- page = pages[page].fileName.replace(/\.html$/, '')
+ page = pages[page].filename.replace(/\.html$/, '')
  }
  fs.writeFileSync(
  path.join(bundleOutputDir, `legacy-assets-${page}.html.json`),