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oppi.li/claude-code
source dump of claude code
1import { validateBoundedIntEnvVar } from '../envValidation.js'
2import { getTaskOutputPath } from './diskOutput.js'
3
4export const TASK_MAX_OUTPUT_UPPER_LIMIT = 160_000
5export const TASK_MAX_OUTPUT_DEFAULT = 32_000
6
7export function getMaxTaskOutputLength(): number {
8 const result = validateBoundedIntEnvVar(
9 'TASK_MAX_OUTPUT_LENGTH',
10 process.env.TASK_MAX_OUTPUT_LENGTH,
11 TASK_MAX_OUTPUT_DEFAULT,
12 TASK_MAX_OUTPUT_UPPER_LIMIT,
13 )
14 return result.effective
15}
16
17/**
18 * Format task output for API consumption, truncating if too large.
19 * When truncated, includes a header with the file path and returns
20 * the last N characters that fit within the limit.
21 */
22export function formatTaskOutput(
23 output: string,
24 taskId: string,
25): { content: string; wasTruncated: boolean } {
26 const maxLen = getMaxTaskOutputLength()
27
28 if (output.length <= maxLen) {
29 return { content: output, wasTruncated: false }
30 }
31
32 const filePath = getTaskOutputPath(taskId)
33 const header = `[Truncated. Full output: ${filePath}]\n\n`
34 const availableSpace = maxLen - header.length
35 const truncated = output.slice(-availableSpace)
36
37 return { content: header + truncated, wasTruncated: true }
38}