@ali-tas/htmldiff-js/dist/index.d.ts

JavaScript port of HtmlDiff.Net which is itself a C# port of HtmlDiff

type Action = 'equal' | 'delete' | 'insert' | 'none' | 'replace';

type DiffOptions = {
    repeatingWordsAccuracy?: number;
    ignoreWhiteSpaceDifferences?: boolean;
    orphanMatchThreshold?: number;
    matchGranularity?: number;
    combineWords?: boolean;
};
declare function execute(oldText: string, newText: string, options?: DiffOptions): string;
declare const Diff: {
    execute: typeof execute;
};

type Match = {
    startInOld: number;
    startInNew: number;
    endInOld: number;
    endInNew: number;
    size: number;
};

type MatchOptions = {
    blockSize: number;
    repeatingWordsAccuracy: number;
    ignoreWhiteSpaceDifferences: boolean;
};

type Mode = 'character' | 'tag' | 'whitespace' | 'entity';

type Operation = {
    action: Action;
    startInOld: number;
    endInOld: number;
    startInNew: number;
    endInNew: number;
};

export { type Action, Diff, type Match, type MatchOptions, type Mode, type Operation };