img-validation/build/index.js

A lightweight and versatile image validation library for Node.js applications.

"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());
    });
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const sharp_1 = __importDefault(require("sharp"));
class ImgValidation {
    static base64(base64String) {
        return __awaiter(this, void 0, void 0, function* () {
            try {
                const base64 = Buffer.from(base64String, "base64");
                const metadata = yield (0, sharp_1.default)(base64).metadata();
                return Promise.resolve(true);
            }
            catch (err) {
                return Promise.resolve(false);
            }
        });
    }
    static url(url) {
        return __awaiter(this, void 0, void 0, function* () {
            try {
                const metadata = yield (0, sharp_1.default)(url).metadata();
                return Promise.resolve(true);
            }
            catch (err) {
                return Promise.resolve(false);
            }
        });
    }
    static file(file) {
        return __awaiter(this, void 0, void 0, function* () {
            try {
                const metadata = yield (0, sharp_1.default)(file).metadata();
                return Promise.resolve(true);
            }
            catch (err) {
                return Promise.resolve(false);
            }
        });
    }
    static buffer(buffer) {
        return __awaiter(this, void 0, void 0, function* () {
            try {
                const metadata = yield (0, sharp_1.default)(buffer).metadata();
                return Promise.resolve(true);
            }
            catch (err) {
                return Promise.resolve(false);
            }
        });
    }
    static stream(stream) {
        return __awaiter(this, void 0, void 0, function* () {
            try {
                const metadata = yield (0, sharp_1.default)(stream).metadata();
                return Promise.resolve(true);
            }
            catch (err) {
                return Promise.resolve(false);
            }
        });
    }
    static path(path) {
        return __awaiter(this, void 0, void 0, function* () {
            try {
                const metadata = yield (0, sharp_1.default)(path).metadata();
                return Promise.resolve(true);
            }
            catch (err) {
                return Promise.resolve(false);
            }
        });
    }
    static isValidImage(image) {
        return __awaiter(this, void 0, void 0, function* () {
            try {
                const metadata = yield (0, sharp_1.default)(image).metadata();
                return Promise.resolve(true);
            }
            catch (err) {
                return Promise.resolve(false);
            }
        });
    }
    static isValidBase64(base64String) {
        return __awaiter(this, void 0, void 0, function* () {
            try {
                const base64 = Buffer.from(base64String, "base64");
                const metadata = yield (0, sharp_1.default)(base64).metadata();
                return Promise.resolve(true);
            }
            catch (err) {
                return Promise.resolve(false);
            }
        });
    }
}
exports.default = ImgValidation;