git-similarity-index/dist/getSimilarityIndexForText.js

🔨 This simple tool calculates the similarity index between two files.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.getLinesBytes = getLinesBytes;
exports.getSimilarityIndexForText = getSimilarityIndexForText;
const debug_1 = require("debug");
const getSimilarityIndex_1 = require("./getSimilarityIndex");
const logger = (0, debug_1.default)("git-similarity-index:text");
function getLinesBytes(bytes) {
    return bytes.reduce((acc, byte) => {
        if (byte === 10) {
            acc[acc.length - 1].push(10);
            acc.push([]);
        }
        else {
            acc[acc.length - 1].push(byte);
        }
        return acc;
    }, [[]]);
}
function getSimilarityIndexForText(content1, content2) {
    logger("Calculating similarity index for text", { content1, content2 });
    const bytes1 = Buffer.from(content1).toJSON();
    const lineBytes1 = getLinesBytes(bytes1.data);
    const bytes2 = Buffer.from(content2).toJSON();
    const size2 = bytes2.data.length;
    const lineBytes2 = getLinesBytes(bytes2.data);
    return (0, getSimilarityIndex_1.getSimilarityIndex)(lineBytes1, lineBytes2, size2);
}