Skip to content
Permalink
9bfb9ba527
Switch branches/tags

Name already in use

A tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Are you sure you want to create this branch?
Go to file
 
 
Cannot retrieve contributors at this time
69 lines (60 sloc) 1.86 KB
'use strict';
const resolve = require('resolve');
const isCoreModule = require('is-core-module');
const path = require('path');
const log = require('debug')('eslint-plugin-import:resolver:node');
exports.interfaceVersion = 2;
exports.resolve = function (source, file, config) {
log('Resolving:', source, 'from:', file);
let resolvedPath;
if (isCoreModule(source)) {
log('resolved to core');
return { found: true, path: null };
}
try {
const cachedFilter = function (pkg, dir) { return packageFilter(pkg, dir, config); };
resolvedPath = resolve.sync(source, opts(file, config, cachedFilter));
log('Resolved to:', resolvedPath);
return { found: true, path: resolvedPath };
} catch (err) {
log('resolve threw error:', err);
return { found: false };
}
};
function opts(file, config, packageFilter) {
return Object.assign({
// more closely matches Node (#333)
// plus 'mjs' for native modules! (#939)
extensions: ['.mjs', '.js', '.json', '.node'],
},
config,
{
// path.resolve will handle paths relative to CWD
basedir: path.dirname(path.resolve(file)),
packageFilter,
});
}
function identity(x) { return x; }
function packageFilter(pkg, dir, config) {
let found = false;
const file = path.join(dir, 'dummy.js');
if (pkg.module) {
try {
resolve.sync(String(pkg.module).replace(/^(?:\.\/)?/, './'), opts(file, config, identity));
pkg.main = pkg.module;
found = true;
} catch (err) {
log('resolve threw error trying to find pkg.module:', err);
}
}
if (!found && pkg['jsnext:main']) {
try {
resolve.sync(String(pkg['jsnext:main']).replace(/^(?:\.\/)?/, './'), opts(file, config, identity));
pkg.main = pkg['jsnext:main'];
found = true;
} catch (err) {
log('resolve threw error trying to find pkg[\'jsnext:main\']:', err);
}
}
return pkg;
}