stryker-git-checker/dist/helpers/diff-parser.d.ts

Git Checker for Stryker Mutator Javascript testing framework

export declare enum ChunkLinePrefix {
    UNCHANGED = " ",
    ADDITION = "+",
    DELETION = "-"
}
export declare type LineDifferenceRange = [number, number];
export declare type DiffMap = Map<string, Map<number, LineDifferenceRange>>;
/**
 * Compares the deleted and the added line present
 * in the diff chunk, returning the range of the comparison
 * in the `[left, right]` format. The right is exclusive and
 * the left is inclusive.
 *
 * The algorithm is a simple heuristic to remove the start and
 * the end of the lines if they are respectively the same.
 *
 * @param deleted The line that was deleted in the diff.
 * @param added The line that was added in the diff.
 * @returns The difference range if exists.
 */
export declare function compareLine(deleted: string | undefined, added: string): LineDifferenceRange | undefined;
/**
 * Parses a diff chunk.
 *
 * @param chunk chunk string.
 * @param startLinePosition the correspondent position of the first line.
 * @returns Range entries.
 */
export declare function parseChunk(chunk: string, startLinePosition: number): [number, LineDifferenceRange][];
/**
 * Parses the output of the `git diff` command.
 *
 * @param input the stdout of the `git diff` command.
 * @param projectRootPath the root path of the project.
 * @returns The parsed `DiffMap`.
 */
export declare function parseDiffs(input: string, projectRootPath: string): DiffMap;
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