@ipp/cli/dist/operators/process.js

An image build orchestrator for the modern web

"use strict";
/**
 * Image Processing Pipeline - Copyright (c) Marcus Cemes
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */
Object.defineProperty(exports, "__esModule", { value: true });
exports.processImages = void 0;
const common_1 = require("@ipp/common");
const core_1 = require("@ipp/core");
const fs_1 = require("fs");
const path_1 = require("path");
const metadata_1 = require("../lib/metadata");
const map_parallel_1 = require("../lib/stream/operators/map_parallel");
const types_1 = require("./types");
function processImages(pipeline, concurrency) {
    return (0, map_parallel_1.mapParallel)(concurrency, async (item) => {
        if (!(0, types_1.isTaskSource)(item))
            return item;
        const { fullPath, initialMeta } = generatePaths(item);
        const buffer = await fs_1.promises.readFile(fullPath);
        try {
            return {
                ...item,
                result: await (0, core_1.executePipeline)(pipeline, buffer, initialMeta),
            };
        }
        catch (err) {
            if (err instanceof common_1.Exception)
                return err;
            return new common_1.Exception(`Unexpected processing error: ${err.message}`).extend(err);
        }
    });
}
exports.processImages = processImages;
function generatePaths(item) {
    const relativePath = item.file;
    const fullPath = (0, path_1.resolve)(item.root, relativePath);
    const initialMeta = (0, metadata_1.pathMetadata)(relativePath);
    return {
        fullPath,
        initialMeta,
    };
}