ghost-storage-base/dist/BaseStorage.js

Base storage adapter.

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
const moment_1 = __importDefault(require("moment"));
const path_1 = __importDefault(require("path"));
class StorageBase {
    requiredFns;
    constructor() {
        Object.defineProperty(this, 'requiredFns', {
            value: ['exists', 'save', 'serve', 'delete', 'read'],
            writable: false
        });
    }
    getTargetDir(baseDir) {
        const date = (0, moment_1.default)(), month = date.format('MM'), year = date.format('YYYY');
        if (baseDir) {
            return path_1.default.join(baseDir, year, month);
        }
        return path_1.default.join(year, month);
    }
    generateUnique(dir, name, ext, i) {
        let filename, append = '';
        if (i) {
            append = '-' + i;
        }
        if (ext) {
            filename = name + append + ext;
        }
        else {
            filename = name + append;
        }
        return this.exists(filename, dir).then((exists) => {
            if (exists) {
                i = i + 1;
                return this.generateUnique(dir, name, ext, i);
            }
            else {
                return path_1.default.join(dir, filename);
            }
        });
    }
    getUniqueFileName(file, targetDir) {
        const ext = path_1.default.extname(file.name);
        let name;
        // poor extension validation
        // .1 or .342 is not a valid extension, .mp4 is though!
        if (!ext.match(/\.\d+$/)) {
            name = this.getSanitizedFileName(path_1.default.basename(file.name, ext));
            return this.generateUnique(targetDir, name, ext, 0);
        }
        else {
            name = this.getSanitizedFileName(path_1.default.basename(file.name));
            return this.generateUnique(targetDir, name, null, 0);
        }
    }
    getSanitizedFileName(fileName) {
        // below only matches ascii characters, @, and .
        // unicode filenames like город.zip would therefore resolve to ----.zip
        return fileName.replace(/[^\w@.]/gi, '-');
    }
}
module.exports = StorageBase;
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