@alinex/datastore/lib/format/js.js

Read, work and write data structures from and to differents locations and formats.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.format = exports.parse = void 0;
const path_1 = require("path");
const debug_1 = require("debug");
const vm = require("vm");
const serialize = require("serialize-to-js");
const beautify = require("js-beautify");
const debug = debug_1.default('datastore:format:js');
const parse = function (parsedUri, buffer) {
    if (!parsedUri.pathname)
        return Promise.reject(`No pathname given in ${parsedUri.href}`);
    const pathname = parsedUri.hash || path_1.basename(parsedUri.pathname);
    debug(`parsing ${pathname}`);
    const content = buffer.toString().replace(/(module.exports\s*=\s*|export\s+default\s+)/, '');
    try {
        return Promise.resolve(vm.runInNewContext(`x=${content}`));
    }
    catch (err) {
        err.data = buffer.toString();
        return Promise.reject(err);
    }
    ;
};
exports.parse = parse;
const format = function (parsedUri, data, options) {
    if (!parsedUri.pathname)
        return Promise.reject(`No pathname given in ${parsedUri.href}`);
    const pathname = parsedUri.hash || path_1.basename(parsedUri.pathname);
    debug(`formatting for ${pathname}`);
    let content = serialize(data);
    const module = ['.mjs', '.ts'].includes(path_1.extname(pathname).toLowerCase())
        ? 'export default '
        : options && options.module
            ? 'module.exports = '
            : '';
    content = module + content;
    return Promise.resolve(Buffer.from(beautify(content, { indent_size: 2 })));
};
exports.format = format;
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