@sudoo/exif-node/node.js

:camera: Exif for Node

"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.ExifNode = void 0;
const exif_1 = require("@sudoo/exif");
const io_1 = require("@sudoo/io");
class ExifNode extends exif_1.Exif {
    static attemptFromBinaryString(binaryString) {
        try {
            return this.fromBinaryString(binaryString);
        }
        catch (err) {
            return null;
        }
    }
    static fromBinaryString(binaryString) {
        try {
            return new ExifNode(binaryString);
        }
        catch (err) {
            throw new Error('[Sudoo-Exif-Node] Invalid Image Data');
        }
    }
    static attemptFromBase64(base64) {
        const splited = base64.split(',');
        if (splited.length === 2) {
            const splitedData = Buffer.from(splited[1], 'base64');
            return this.attemptFromBuffer(splitedData);
        }
        const data = Buffer.from(base64, 'base64');
        return this.attemptFromBuffer(data);
    }
    static fromBase64(base64) {
        const splited = base64.split(',');
        if (splited.length === 2) {
            const splitedData = Buffer.from(splited[1], 'base64');
            return this.fromBuffer(splitedData);
        }
        const data = Buffer.from(base64, 'base64');
        return this.fromBuffer(data);
    }
    static attemptFromBuffer(image) {
        const data = image.toString('binary');
        return this.attemptFromBinaryString(data);
    }
    static fromBuffer(image) {
        const data = image.toString('binary');
        return this.fromBinaryString(data);
    }
    static loadFromFile(path) {
        return __awaiter(this, void 0, void 0, function* () {
            const result = yield io_1.readBufferFile(path);
            return this.fromBuffer(result);
        });
    }
    constructor(data) {
        super(data);
    }
    toBase64() {
        return this.toBuffer().toString('base64');
    }
    toBase64WithType(type) {
        const actualType = type === 'jpg' ? 'jpeg' : type;
        const header = `image/${actualType};base64,`;
        return header + this.toBase64();
    }
    toBuffer() {
        return Buffer.from(this._imageData, 'binary');
    }
    saveAsFile(path) {
        return __awaiter(this, void 0, void 0, function* () {
            yield io_1.writeBufferFile(path, this.toBuffer());
            return;
        });
    }
}
exports.ExifNode = ExifNode;