| 1 | import { existsSync } from 'node:fs'; |
| 2 | import { createRequire } from 'node:module'; |
| 3 | import type { TemplateRef, ValidationError, ValidationResult } from '@html-video/core'; |
| 4 | |
| 5 | /** |
| 6 | * Validate a template against the Remotion adapter. Cheap & read-only (RFC-01): |
| 7 | * no bundling, no model calls — just engine match + source existence + a soft |
| 8 | * note when the optional Remotion peer deps aren't installed yet. |
| 9 | * |
| 10 | * Phase 1: a template's `sourcePath` is an HTML frame the bridge renders. The |
| 11 | * `engine` field may be 'remotion' (native, Phase 2) or 'hyperframes' (an HTML |
| 12 | * frame the user explicitly chose to render through Remotion) — accept both so |
| 13 | * the bridge can take any HTML frame. |
| 14 | */ |
| 15 | export function validate(template: TemplateRef): ValidationResult { |
| 16 | const errors: ValidationError[] = []; |
| 17 | const warnings: ValidationError[] = []; |
| 18 | |
| 19 | if (template.engine !== 'remotion' && template.engine !== 'hyperframes') { |
| 20 | errors.push({ |
| 21 | code: 'engine-mismatch', |
| 22 | message: `Template engine "${template.engine}" cannot be rendered by the Remotion adapter`, |
| 23 | fix: `Use the @html-video/adapter-${template.engine} adapter instead`, |
| 24 | }); |
| 25 | return { ok: false, errors, warnings }; |
| 26 | } |
| 27 | |
| 28 | if (!template.sourcePath) { |
| 29 | errors.push({ code: 'missing-source', message: 'Template has no sourcePath' }); |
| 30 | } else if (!existsSync(template.sourcePath)) { |
| 31 | errors.push({ |
| 32 | code: 'source-not-found', |
| 33 | message: `Template source not found: ${template.sourcePath}`, |
| 34 | fix: 'Check that the template directory contains the file declared in source_entry', |
| 35 | }); |
| 36 | } |
| 37 | |
| 38 | // Soft signal — render() will fail clearly if the peer deps are truly missing, |
| 39 | // but flag it early so `doctor` / the agent can prompt an install. |
| 40 | if (!remotionInstalled()) { |
| 41 | warnings.push({ |
| 42 | code: 'engine-not-installed', |
| 43 | message: 'Remotion peer dependencies are not installed', |
| 44 | fix: 'Run `pnpm add remotion @remotion/bundler @remotion/renderer react react-dom` in the workspace root', |
| 45 | }); |
| 46 | } |
| 47 | |
| 48 | return { ok: errors.length === 0, errors, warnings }; |
| 49 | } |
| 50 | |
| 51 | /** Best-effort, synchronous check that the Remotion renderer can be resolved. */ |
| 52 | export function remotionInstalled(): boolean { |
| 53 | try { |
| 54 | const req = createRequire(import.meta.url); |
| 55 | req.resolve('@remotion/renderer'); |
| 56 | req.resolve('@remotion/bundler'); |
| 57 | return true; |
| 58 | } catch { |
| 59 | return false; |
| 60 | } |
| 61 | } |
| 62 |