f2e-server3/lib/middlewares/postcss/index.js

f2e-server 3.0

"use strict";
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    if (mod && mod.__esModule) return mod;
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    return (mod && mod.__esModule) ? mod : { "default": mod };
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Object.defineProperty(exports, "__esModule", { value: true });
const node_fs_1 = __importDefault(require("node:fs"));
const node_path_1 = __importDefault(require("node:path"));
const _ = __importStar(require("../../utils/misc"));
const utils_1 = require("../../utils");
const node_process_1 = require("node:process");
const middleware_postcss = {
    mode: ["dev", "build"],
    name: "postcss",
    execute: async (conf) => {
        if (!conf.postcss) {
            return;
        }
        const postcss = await (0, utils_1.dynamicImport)('postcss');
        const processer = postcss();
        const { entryPoints, plugins = [], processOptions = {}, watchFilter } = conf.postcss;
        plugins.forEach(plugin => {
            processer.use(plugin);
        });
        const [origin, output] = (typeof entryPoints === 'string' ? [entryPoints, entryPoints] : [entryPoints.in, entryPoints.out]).map(_.pathname_fixer);
        const realPath = node_path_1.default.join(conf.root, origin);
        if (!node_fs_1.default.existsSync(realPath)) {
            utils_1.logger.error(`PostCss file ${realPath} not exists!`);
            (0, node_process_1.exit)(1);
        }
        const build = async function (store) {
            const data = node_fs_1.default.readFileSync(realPath, 'utf-8');
            try {
                const result = await processer.process(data, {
                    from: origin, map: { inline: false },
                    ...processOptions,
                });
                if (result.css) {
                    store.save({
                        originPath: origin,
                        outputPath: output,
                        data: result.css + '',
                    });
                }
                if (result.map) {
                    const map = result.map.toString();
                    const mapPath = output.replace(/\.css$/, '.css.map');
                    store.save({
                        originPath: mapPath,
                        outputPath: mapPath,
                        data: map + '',
                    });
                }
            }
            catch (e) {
                utils_1.logger.error(e);
                if (conf.mode === 'build') {
                    (0, node_process_1.exit)(1);
                }
            }
        };
        return {
            onMemoryLoad: async (store) => {
                await build(store);
            },
            buildWatcher: (pathname, eventType, __build, store) => {
                if (pathname === origin || !watchFilter || watchFilter(pathname)) {
                    build(store);
                }
            }
        };
    }
};
exports.default = middleware_postcss;