git-similarity-index/dist/getSimilarityIndexForFiles.js

🔨 Calculates the similarity index between two files.

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.getSimilarityIndexForFiles = getSimilarityIndexForFiles;
const fs = require("fs/promises");
const child_process_1 = require("child_process");
const debug_1 = require("debug");
const getSimilarityIndexForText_1 = require("./getSimilarityIndexForText");
const logger = (0, debug_1.default)("git-similarity-index:files");
function getFileContentFromDisk(filename) {
    return __awaiter(this, void 0, void 0, function* () {
        return yield fs.readFile(filename, "utf-8");
    });
}
function getFileContentFromGit(filename) {
    return __awaiter(this, void 0, void 0, function* () {
        return new Promise((resolve, reject) => {
            (0, child_process_1.exec)(`git show HEAD:${filename}`, (error, stdout, stderr) => {
                if (error) {
                    return reject(`Error: ${stderr}`.trim());
                }
                resolve(stdout);
            });
        });
    });
}
function getSimilarityIndexForFiles(filename1_1, filename2_1) {
    return __awaiter(this, arguments, void 0, function* (filename1, filename2, options = { useGit: false }) {
        logger("Calculating similarity index for files", {
            filename1,
            filename2,
            options,
        });
        let content1;
        let content2;
        if (options.useGit) {
            content1 = yield getFileContentFromGit(filename1);
            content2 = yield getFileContentFromGit(filename2);
        }
        else {
            content1 = yield getFileContentFromDisk(filename1);
            content2 = yield getFileContentFromDisk(filename2);
        }
        return (0, getSimilarityIndexForText_1.getSimilarityIndexForText)(content1, content2);
    });
}