sqlite3orm/src/lib/core/SqlBackup.js

ORM for sqlite3 and TypeScript/JavaScript

"use strict";
/* eslint-disable @typescript-eslint/no-explicit-any */
Object.defineProperty(exports, "__esModule", { value: true });
exports.SqlBackup = void 0;
const tslib_1 = require("tslib");
// online backup
const _dbg = tslib_1.__importStar(require("debug"));
const debug = _dbg.default('sqlite3orm:backup');
class SqlBackup {
    // TODO(Backup API): typings not yet available
    // https://github.com/TryGhost/node-sqlite3/pull/1726
    // https://github.com/TryGhost/node-sqlite3/pull/1116
    backup;
    get idle() {
        return this.backup.idle;
    }
    get completed() {
        return this.backup.completed;
    }
    get failed() {
        return this.backup.failed;
    }
    /**
     * Returns an integer with the remaining number of pages left to copy
     * Returns -1 if `step` not yet called
     */
    get remaining() {
        return this.backup.remaining;
    }
    /**
     * Returns an integer with the total number of pages
     * Returns -1 if `step` not yet called
     */
    get pageCount() {
        return this.backup.pageCount;
    }
    /**
     * Returns the progress (percentage completion)
     */
    get progress() {
        const pageCount = this.pageCount;
        const remaining = this.remaining;
        if (pageCount === -1 || remaining === -1) {
            return 0;
        }
        return pageCount === 0 ? 100 : ((pageCount - remaining) / pageCount) * 100;
    }
    /**
     * Creates an instance of SqlBackup.
     *
     * @param backup
     */
    constructor(backup) {
        this.backup = backup;
        debug(`backup initialized: page count: ${this.pageCount}`);
    }
    step(pages = -1) {
        return new Promise((resolve, reject) => {
            /* istanbul ignore if */
            if (!this.backup) {
                const err = new Error('backup handle not open');
                debug(`step '${pages}' failed: ${err.message}`);
                reject(err);
                return;
            }
            this.backup.step(pages, (err) => {
                /* istanbul ignore if */
                if (err) {
                    debug(`step '${pages}' failed: ${err.message}`);
                    reject(err);
                    return;
                }
                debug(`step '${pages}' succeeded`);
                resolve();
            });
        });
    }
    finish() {
        debug(`finished`);
        this.backup.finish();
    }
}
exports.SqlBackup = SqlBackup;
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