msf-cli/lib/sync.js

My Sync Folders - sync files between folders based on watchman

"use strict";
var __assign = (this && this.__assign) || function () {
    __assign = Object.assign || function(t) {
        for (var s, i = 1, n = arguments.length; i < n; i++) {
            s = arguments[i];
            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
                t[p] = s[p];
        }
        return t;
    };
    return __assign.apply(this, arguments);
};
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());
    });
};
var __generator = (this && this.__generator) || function (thisArg, body) {
    var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
    return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
    function verb(n) { return function (v) { return step([n, v]); }; }
    function step(op) {
        if (f) throw new TypeError("Generator is already executing.");
        while (_) try {
            if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
            if (y = 0, t) op = [op[0] & 2, t.value];
            switch (op[0]) {
                case 0: case 1: t = op; break;
                case 4: _.label++; return { value: op[1], done: false };
                case 5: _.label++; y = op[1]; op = [0]; continue;
                case 7: op = _.ops.pop(); _.trys.pop(); continue;
                default:
                    if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
                    if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
                    if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
                    if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
                    if (t[2]) _.ops.pop();
                    _.trys.pop(); continue;
            }
            op = body.call(thisArg, _);
        } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
        if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
    }
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.rmFile = exports.syncTo = void 0;
var path_1 = require("path");
var fs_extra_1 = require("fs-extra");
var getFileInfo = function (info) { return __awaiter(void 0, void 0, void 0, function () {
    var fileStat, err_1;
    return __generator(this, function (_a) {
        switch (_a.label) {
            case 0:
                if (info.mtime) {
                    return [2 /*return*/, info];
                }
                _a.label = 1;
            case 1:
                _a.trys.push([1, 3, , 4]);
                return [4 /*yield*/, (0, fs_extra_1.stat)(info.name)];
            case 2:
                fileStat = _a.sent();
                return [2 /*return*/, __assign(__assign({}, info), { mtime: Math.floor(fileStat.mtimeMs / 1000) })];
            case 3:
                err_1 = _a.sent();
                return [2 /*return*/, __assign(__assign({}, info), { mtime: 0 })];
            case 4: return [2 /*return*/];
        }
    });
}); };
var syncTo = function (src, dest, logger) { return __awaiter(void 0, void 0, void 0, function () {
    var _a, srcStat, destStat, parentDir, err_2;
    return __generator(this, function (_b) {
        switch (_b.label) {
            case 0: return [4 /*yield*/, Promise.all([getFileInfo(src), getFileInfo(dest)])];
            case 1:
                _a = _b.sent(), srcStat = _a[0], destStat = _a[1];
                if (!(srcStat.mtime > destStat.mtime)) return [3 /*break*/, 8];
                _b.label = 2;
            case 2:
                _b.trys.push([2, 6, , 7]);
                parentDir = (0, path_1.dirname)(dest.name);
                return [4 /*yield*/, (0, fs_extra_1.ensureDir)(parentDir)];
            case 3:
                _b.sent();
                return [4 /*yield*/, (0, fs_extra_1.copyFile)(src.name, dest.name)];
            case 4:
                _b.sent();
                return [4 /*yield*/, (0, fs_extra_1.utimes)(destStat.name, srcStat.mtime, srcStat.mtime)];
            case 5:
                _b.sent();
                logger("[cp] \uD83D\uDE9A ".concat(dest.name, " ").concat(destStat.mtime === 0 ? 'created' : 'updated', "."));
                return [3 /*break*/, 7];
            case 6:
                err_2 = _b.sent();
                return [3 /*break*/, 7];
            case 7: return [2 /*return*/];
            case 8: return [2 /*return*/];
        }
    });
}); };
exports.syncTo = syncTo;
var rmFile = function (file, logger) { return __awaiter(void 0, void 0, void 0, function () {
    var currentState, err_3;
    return __generator(this, function (_a) {
        switch (_a.label) {
            case 0: return [4 /*yield*/, getFileInfo({ name: file.name })];
            case 1:
                currentState = _a.sent();
                if (currentState.mtime !== file.mtime) {
                    // target file was changed after the src file was removed, ignore this rm
                    return [2 /*return*/];
                }
                _a.label = 2;
            case 2:
                _a.trys.push([2, 4, , 5]);
                return [4 /*yield*/, (0, fs_extra_1.rm)(file.name)];
            case 3:
                _a.sent();
                logger("[rm] \u274C ".concat(file.name, " removed."));
                return [3 /*break*/, 5];
            case 4:
                err_3 = _a.sent();
                return [3 /*break*/, 5];
            case 5: return [2 /*return*/];
        }
    });
}); };
exports.rmFile = rmFile;