| 1 | /** Presentation of immutable Core review facts. No provider, I/O, pass or publication authority. */ |
| 2 | import { isJson } from '../../json.ts' |
| 3 | |
| 4 | type Row = Record<string, unknown> |
| 5 | interface Result { ok: true; result: { content: string; success: true; metadata: null } } |
| 6 | export const REVIEW_LIMIT = 16 * 1024 * 1024 |
| 7 | const OPERATIONS = ['review_source_prompt', 'review_pass_prompt', 'review_interactive_pr', 'review_report'] |
| 8 | export function isReviewOperation(value: unknown): value is string { return typeof value === 'string' && OPERATIONS.includes(value) } |
| 9 | export function reviewEnvelopeBytes(value: unknown): number { return 8 + Buffer.byteLength(`{"jsonrpc":"2.0","id":18446744073709551615,"result":${JSON.stringify(value)}}`) } |
| 10 | function row(value: unknown): Row { if (!value || typeof value !== 'object' || Array.isArray(value)) throw new Error('invalid Core review snapshot'); return value as Row } |
| 11 | function text(value: unknown): string { if (typeof value !== 'string') throw new Error('invalid Core review text'); return value } |
| 12 | function bool(value: unknown): boolean { if (typeof value !== 'boolean') throw new Error('invalid Core review flag'); return value } |
| 13 | function integer(value: unknown): number { if (!Number.isSafeInteger(value) || (value as number) < 0) throw new Error('invalid Core review count'); return value as number } |
| 14 | function list(value: unknown): unknown[] { if (!Array.isArray(value)) throw new Error('invalid Core review list'); return value } |
| 15 | function optional(value: unknown): string | undefined { return value === null || value === undefined ? undefined : text(value) } |
| 16 | function trim(value: string): string { return value.replace(/^[\u0009-\u000d\u0020\u0085\u00a0\u1680\u2000-\u200a\u2028\u2029\u202f\u205f\u3000]+|[\u0009-\u000d\u0020\u0085\u00a0\u1680\u2000-\u200a\u2028\u2029\u202f\u205f\u3000]+$/g, '') } |
| 17 | function lines(value: string): string[] { |
| 18 | if (!value.length) return [] |
| 19 | const out = value.split('\n') |
| 20 | if (value.endsWith('\n')) out.pop() |
| 21 | return out.map((line, i) => (i < out.length - 1 || value.endsWith('\n')) && line.endsWith('\r') ? line.slice(0, -1) : line) |
| 22 | } |
| 23 | function skipped(value: unknown): string { return list(value).map(value => { const skip = row(value); return `${text(skip.file)} (${integer(skip.chars)} chars; ${text(skip.reason)})` }).join(', ') } |
| 24 | function ordered(value: unknown): unknown { |
| 25 | if (Array.isArray(value)) return value.map(ordered) |
| 26 | if (value && typeof value === 'object') return Object.fromEntries(Object.entries(value).sort(([a], [b]) => a < b ? -1 : a > b ? 1 : 0).map(([key, value]) => [key, ordered(value)])) |
| 27 | return value |
| 28 | } |
| 29 | function source(input: Row): string { |
| 30 | const kind = text(input.kind) |
| 31 | if (kind === 'file') { |
| 32 | const content = lines(text(input.content)).map((line, i) => `${String(i + 1).padStart(4)} | ${line}`).join('\n') |
| 33 | return `Review the following file and provide feedback.\nPath: ${text(input.display)}\n\n${content}\n\nEnd of file.` |
| 34 | } |
| 35 | if (kind === 'diff') return `Review the following ${text(input.label)} and provide feedback.\n\n${text(input.diff)}\n\nEnd of diff.` |
| 36 | if (kind === 'cli_diff') return `Review the following diff and provide feedback:\n\n${text(input.diff)}\n\nEnd of diff.` |
| 37 | if (kind === 'pr') return `Review the complete pull request diff (${text(input.label)}) at head ${text(input.head_sha)} and base ${text(input.base_sha)}. Binary changes are represented by metadata; their contents are not semantically inspected. Exact binary object IDs remain in the review evidence.\n\n${text(input.diff)}\n\nEnd of diff.` |
| 38 | throw new Error('unadmitted review source') |
| 39 | } |
| 40 | function pass(input: Row): string { |
| 41 | const manifest = row(input.manifest), part = row(input.pass), view = row(input.view) |
| 42 | const task = list(manifest.skipped_files).length === 0 |
| 43 | ? 'Review only defects introduced in this pass. Use supplementary source to check surrounding guards and declarations; it does not expand the commentable diff. Binary contents and omitted callers are not inspected. No build or tests have been run.' |
| 44 | : `Review only defects introduced in this pass. This is a partial review (pass ${integer(part.number)} of ${list(manifest.passes).length}): the gate did not read ${skipped(manifest.skipped_files)}. Do not claim full coverage. Use supplementary source to check surrounding guards and declarations; it does not expand the commentable diff. Binary contents and omitted callers are not inspected. No build or tests have been run.` |
| 45 | if (!isJson(input.context)) throw new Error('invalid Core review context') |
| 46 | const prompt = {task, untrusted_repository_data: true, pull_request: {number: integer(input.number), title: text(view.title), description: text(view.body)}, manifest, pass: part, diff: text(input.diff), repository_context: input.context, |
| 47 | context_limit: 'Context is bounded supplementary excerpts from the exact head. Null means no source context could fit. Missing files or omitted lines are not evidence of a defect.'} |
| 48 | return JSON.stringify(bool(input.sort_keys) ? ordered(prompt) : prompt) |
| 49 | } |
| 50 | function interactive(input: Row): string { |
| 51 | const view = row(input.view), number = integer(input.number) |
| 52 | const base = text(view.base), head = text(view.head) |
| 53 | const branches = base && head ? `${base} ← ${head}` : base || head || '(unknown)' |
| 54 | return `Review PR #${number} — ${trim(text(view.title)) || `(PR #${number})`}\n\nURL: ${text(view.url) || '(unavailable)'}\nBranches: ${branches}\nRevision: ${text(view.head_sha)} (base ${text(view.base_sha)}); ${integer(view.changed_files)} file patches.\nBinary changes are represented by metadata; their contents are not semantically inspected. Exact binary object IDs remain in the review evidence.\n\n## Description\n\n${trim(text(view.body)) || '(no description)'}\n\n## Diff\n\n\`\`\`diff\n${text(input.diff)}\n\`\`\`\n` |
| 55 | } |
| 56 | function fence(value: string): string { let longest = 0, run = 0; for (const char of value) { run = char === '`' ? run + 1 : 0; longest = Math.max(longest, run) } return '`'.repeat(Math.max(3, longest + 1)) } |
| 57 | function location(value: Row): string { |
| 58 | const path = optional(value.path) |
| 59 | return path === undefined ? '' : value.line === null || value.line === undefined ? `\`${trim(path)}\`` : `\`${trim(path)}:${integer(value.line)}\`` |
| 60 | } |
| 61 | function report(input: Row): string { |
| 62 | if (input.review === null) return text(input.output) |
| 63 | const review = row(input.review), posted = bool(input.posted) |
| 64 | let out = '## Codewhale review\n\n' |
| 65 | const summary = text(review.summary), assessment = text(review.overall_assessment) |
| 66 | if (summary.length) out += trim(summary) + '\n\n' |
| 67 | const issues = list(review.issues), suggestions = list(review.suggestions) |
| 68 | if (issues.length) { |
| 69 | out += '### Findings\n\n' |
| 70 | for (const item of issues) { |
| 71 | const issue = row(item), at = location(issue) |
| 72 | out += `- **[${text(issue.severity).toUpperCase()}] ${text(issue.title)}**${at ? ` (${at})` : ''}\n` |
| 73 | const description = text(issue.description) |
| 74 | if (description.length) out += ` ${description}\n` |
| 75 | } |
| 76 | out += '\n' |
| 77 | } |
| 78 | if (suggestions.length) { |
| 79 | out += '### Suggestions\n\n' |
| 80 | for (const item of suggestions) { |
| 81 | const suggestion = row(item), at = location(suggestion) |
| 82 | out += `- ${at ? `${at} — ` : ''}${text(suggestion.suggestion)}\n` |
| 83 | const replacement = optional(suggestion.replacement) |
| 84 | if (replacement !== undefined && trim(replacement).length) { |
| 85 | const codeFence = fence(replacement) |
| 86 | out += `\n ${codeFence}${posted ? 'text' : 'suggestion'}\n` |
| 87 | for (const line of replacement.split('\n')) out += ` ${line}\n` |
| 88 | out += ` ${codeFence}\n` |
| 89 | } |
| 90 | } |
| 91 | out += '\n' |
| 92 | } |
| 93 | if (assessment.length) out += '### Assessment\n\n' + trim(assessment) + '\n\n' |
| 94 | return out |
| 95 | } |
| 96 | export function transformReviewSnapshot(operation: string, value: unknown): Result { |
| 97 | if (!isReviewOperation(operation)) throw new Error('unadmitted review operation') |
| 98 | const input = row(value) |
| 99 | const content = operation === 'review_source_prompt' ? source(input) : operation === 'review_pass_prompt' ? pass(input) : operation === 'review_interactive_pr' ? interactive(input) : report(input) |
| 100 | const result: Result = {ok: true, result: {content, success: true, metadata: null}} |
| 101 | // Same upper-bound JSON-RPC envelope as Core; limits include escaping and headers. |
| 102 | if (reviewEnvelopeBytes(result) > REVIEW_LIMIT) throw new Error('serialized review result exceeds 16 MiB') |
| 103 | return result |
| 104 | } |
| 105 |