magica/dist/src/image/imageInfo.js

ImageMagick for browser and Node.js, easy setup, high level API and Command Line Interface, including WASM binary for an easy setup.

"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 });
const assert_1 = require("assert");
const misc_utils_of_mine_generic_1 = require("misc-utils-of-mine-generic");
const file_1 = require("../file/file");
const main_1 = require("../main/main");
/**
 * Execute `convert $IMG info.json` to extract image metadata. Returns the parsed info.json file contents
 * @param img could be a string in case you want to extract information of built in images like `rose:`
 */
function imageInfo(img) {
    return __awaiter(this, void 0, void 0, function* () {
        if (!img) {
            return Promise.resolve([]);
        }
        var files = yield Promise.all(misc_utils_of_mine_generic_1.asArray(img).map((img) => __awaiter(this, void 0, void 0, function* () { return typeof img === 'string' ? yield file_1.File.resolve(img) : [img]; })));
        const r = yield main_1.main({
            inputFiles: files.flat().filter(misc_utils_of_mine_generic_1.notUndefined),
            command: ['convert', ...misc_utils_of_mine_generic_1.asArray(img).map(img => typeof img === 'string' ? img : img.name), 'imgInfo.json']
        });
        assert_1.equal(r.outputFiles.length, 1);
        const s = file_1.File.asString(r.outputFiles[0]);
        const obj = JSON.parse(s);
        return obj;
    });
}
exports.imageInfo = imageInfo;
//# sourceMappingURL=imageInfo.js.map