Module text_diff 

Line-level text diffing for long text properties.

Produces structured diffs with context lines for human-readable comparison of instructions, descriptions, and other long text fields. Supports word-level highlighting within modified paragraphs.

Structs

TextDiffHunk

A group of contiguous diff lines with surrounding context.

TextDiffResult

Result of a line-level text diff.

WordSegment

A segment of a word-level diff within a single line.

Enums

DiffLine

A single line in a text diff.

WordSegmentKind

Whether a word segment is unchanged or changed.

Constants

CONTEXT_TRUNCATE_LEN

Maximum display length for context lines before truncation.

LONG_TEXT_THRESHOLD

Minimum string length to trigger line-level diffing.

Functions

diff_text

Compute a line-level diff between two strings.

diff_words

Compute word-level diff segments between two strings.

is_long_text

Returns true if the string is long enough or multi-line to warrant line-level diffing instead of inline comparison.

normalize_for_diff

Normalize text for more readable line-level diffs.

truncate_context

Truncate a string to approximately max_len characters with " ... " in the middle.