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3b747774f1
/\s*[\r\n]+\s*/g backtracks over every start position of a long whitespace run, so 50,000 spaces took over a second. Split on line breaks, trim each line, drop blank ones and join with a space: linear, and a leading or trailing blank line no longer leaves a space behind. A prompt without a line break is still returned unchanged. session-auto-ops now imports toSingleLine from the utils barrel like respawn-controller. Co-Authored-By: Christian Haberl <116439789+christianhaberl@users.noreply.github.com> Co-Authored-By: Claude <noreply@anthropic.com>
30 lines
1.2 KiB
TypeScript
30 lines
1.2 KiB
TypeScript
/**
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* @fileoverview Collapse a prompt onto the one line an unattended sender writes.
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*
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* @module utils/single-line
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*/
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/**
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* A prompt as one line: each line is trimmed, blank lines are dropped, and the rest
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* are joined with a single space; a prompt without a line break is returned as is.
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*
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* For the senders that run unattended through `writeViaMux` (respawn's update and
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* kickstart steps, auto-compact). The mux pastes a multi-line prompt as one block,
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* and the check that re-presses a stranded Enter cannot reliably recognise a
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* multi-line paste in the composer, so nobody would notice a prompt left unsubmitted.
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* Cron rejects multi-line prompts for the same reason; these senders join them
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* instead, so a saved multi-line setting is still sent rather than refused.
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*
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* Split and trim, which is linear, rather than one regex replace that folds the
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* whitespace around each break: that regex backtracks quadratically over a long
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* whitespace run (50,000 spaces took over a second).
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*/
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export function toSingleLine(prompt: string): string {
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if (!/[\r\n]/.test(prompt)) return prompt;
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return prompt
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.split(/[\r\n]+/)
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.map((line) => line.trim())
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.filter(Boolean)
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.join(' ');
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}
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