diff

Use diff to compare text by line, word, or character and render the result as plain text, HTML, JSON, or unified diff text.

import "std:diff"

API reference

Method

Returns

Notes

diff.compareLines(oldLines: array, newLines: array)

DiffResult

Compares every positional line, including all trailing additions or removals.

diff.compareWords(oldText: string, newText: string)

DiffResult

Compares whitespace-delimited words by position.

diff.tokenize(text: string)

array

Splits text using standard Unicode whitespace rules.

diff.text(oldStr: string, newStr: string)

DiffResult

diff.words(oldStr: string, newStr: string)

DiffResult

diff.chars(oldStr: string, newStr: string)

DiffResult

diff.unified(result: DiffResult)

string

diff.html(result: DiffResult)

string

Renders escaped HTML using a reusable single-pass replacer.

diff.json(result: DiffResult)

string

Serializes the tagged result directly without an intermediate object.

Prefer import "std:diff"; the older import "osl/diff" spelling remains supported.

Line, word, and Unicode character comparisons share one builder-backed engine.

Last updated 14 days ago