| import { build } from 'esbuild'; | |
| import { dirname, resolve } from 'path'; | |
| import { fileURLToPath } from 'url'; | |
| import type { Plugin } from 'vite'; | |
| const __dirname = dirname(fileURLToPath(import.meta.url)); | |
| const VENDORS_DIR = resolve(__dirname, '../src/lib/vendors'); | |
| const VIRTUAL_ID = 'virtual:nerdamer'; | |
| const RESOLVED_ID = '\0' + VIRTUAL_ID; | |
| /** | |
| * Bundle the vendored nerdamer-prime source into a minified IIFE string, | |
| * exposed as the `virtual:nerdamer` module. Flags mirror the upstream | |
| * build (esbuild --bundle --minify --format=iife --global-name=nerdamer), | |
| * so only human readable source lives in the repo and minification is a | |
| * build artifact. Vendored under src/lib/vendors/, upstream snapshot: | |
| * https://github.com/together-science/nerdamer-prime/commit/1936145f8af306ec0d883b9bfd7730aedd175c24 | |
| */ | |
| export function nerdamerPlugin(): Plugin { | |
| let bundled: string | null = null; | |
| return { | |
| async load(id) { | |
| if (id !== RESOLVED_ID) return undefined; | |
| if (bundled === null) { | |
| const result = await build({ | |
| alias: { | |
| 'big-integer': resolve(VENDORS_DIR, 'big-integer/BigInteger.js'), | |
| 'decimal.js': resolve(VENDORS_DIR, 'decimal.js/decimal.js') | |
| }, | |
| bundle: true, | |
| entryPoints: [resolve(VENDORS_DIR, 'nerdamer-prime/all.js')], | |
| format: 'iife', | |
| globalName: 'nerdamer', | |
| logLevel: 'silent', | |
| minify: true, | |
| write: false | |
| }); | |
| bundled = result.outputFiles[0].text; | |
| } | |
| return `export default ${JSON.stringify(bundled)};`; | |
| }, | |
| name: 'llamacpp:nerdamer', | |
| resolveId(id) { | |
| return id === VIRTUAL_ID ? RESOLVED_ID : undefined; | |
| } | |
| }; | |
| } | |