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index.js
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index.js
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/* eslint-disable global-require,import/no-dynamic-require */
const path = require('path');
const fs = require('fs');
const { get, set, merge, camelCase } = require('lodash');
const resolveNamespace = (filepath) => {
const ns = filepath.replace(process.cwd(), '').replace(/\.(.*?)$/, '');
return ns.split(path.sep).map(camelCase);
};
const recursivelyLoadDir = (dir, depth, accumulator = {}) =>
fs.readdirSync(dir, { withFileTypes: true }).reduce((_, dirent) => {
if (!depth) return _;
const filePath = path.join(dir, dirent.name);
if (dirent.isDirectory()) {
return recursivelyLoadDir(filePath, depth - 1, accumulator);
}
return set(accumulator, resolveNamespace(filePath), require(filePath));
}, accumulator);
const mergeFilesContent = (directories, { depth = 3, useFilenames = true } = {}) => {
const dirs = Array.isArray(directories) ? directories : [directories];
return dirs.reduce((store, dir) => {
const ns = resolveNamespace(dir);
if (fs.lstatSync(dir).isFile()) {
if (useFilenames) {
return merge(store, set({}, ns[ns.length - 1], require(dir)));
}
return merge(store, require(dir));
}
const namespace = dirs.length > 1 && useFilenames ? ns.slice(0, -1) : ns;
return Object.assign(store, get(recursivelyLoadDir(dir, depth), namespace));
}, {});
};
module.exports = mergeFilesContent;