renovate/lib/util/modules.ts

54 lines
1.5 KiB
TypeScript

import fs from 'node:fs';
import upath from 'upath';
function relatePath(here: string, there: string): string {
const thereParts = upath.normalizeTrim(there).split('/');
const hereParts = upath.normalizeTrim(here).split('/');
let idx = 0;
while (
typeof thereParts[idx] === 'string' &&
typeof hereParts[idx] === 'string' &&
thereParts[idx] === hereParts[idx]
) {
idx += 1;
}
const result: string[] = [];
for (let x = 0; x < hereParts.length - idx; x += 1) {
result.push('..');
}
for (let y = idx; y < thereParts.length; y += 1) {
result.push(thereParts[y]);
}
return result.join('/');
}
export function loadModules<T>(
dirname: string,
validate?: (module: T, moduleName: string) => boolean,
filter: (moduleName: string) => boolean = () => true,
): Record<string, T> {
const result: Record<string, T> = {};
const moduleNames: string[] = fs
.readdirSync(dirname, { withFileTypes: true })
.filter((dirent) => dirent.isDirectory())
.map((dirent) => dirent.name)
.filter((name) => !name.startsWith('__'))
.filter(filter)
.sort();
for (const moduleName of moduleNames) {
const modulePath = upath.join(relatePath(__dirname, dirname), moduleName);
const module = require(modulePath); // eslint-disable-line
// istanbul ignore if
if (!module || (validate && !validate(module, moduleName))) {
throw new Error(`Invalid module: ${modulePath}`);
}
result[moduleName] = module as T;
}
return result;
}