cleanup, better resource pack support (#173)

scripts/genShims.ts

@@ -23,11 +23,14 @@ fs.writeFileSync('./generated/minecraft-data-data.js', mcDataContents, 'utf8')
 // app resources
 
 let headerImports = ''
-let resourcesContent = 'export const appReplacableResources: { [key: string]: { content: any, resourcePackPath: string, cssVar?: string, cssVarRepeat?: number } } = {\n'
+let resourcesContent = 'export const appReplacableResources: { [key in Keys]: { content: any, resourcePackPath: string, cssVar?: string, cssVarRepeat?: number } } = {\n'
+let resourcesContentOriginal = 'export const resourcesContentOriginal = {\n'
+const keys = [] as string[]
 
 for (const resource of appReplacableResources) {
   const { path, ...rest } = resource
   const name = path.split('/').slice(-4).join('_').replace('.png', '').replaceAll('-', '_').replaceAll('.', '_')
+  keys.push(name)
   headerImports += `import ${name} from '${path.replace('../node_modules/', '')}'\n`
   resourcesContent += `
   '${name}': {
@@ -35,10 +38,16 @@ for (const resource of appReplacableResources) {
     resourcePackPath: 'minecraft/textures/${path.slice(path.indexOf('other-textures/') + 'other-textures/'.length).split('/').slice(1).join('/')}',
     ...${JSON.stringify(rest)}
   },
+`
+  resourcesContentOriginal += `
+  '${name}': ${name},
 `
 }
 
-resourcesContent += '}'
+resourcesContent += '}\n'
+resourcesContent += `type Keys = ${keys.map(k => `'${k}'`).join(' | ')}\n`
+resourcesContentOriginal += '}\n'
+resourcesContent += resourcesContentOriginal
 
 fs.mkdirSync('./src/generated', { recursive: true })
 fs.writeFileSync('./src/generated/resources.ts', headerImports + '\n' + resourcesContent, 'utf8')