website/node_modules/resolve/readme.markdown

resolve

implements the node require.resolve() algorithm such that you can require.resolve() on behalf of a file asynchronously and synchronously

build status

example

asynchronously resolve:

var resolve = require('resolve');
resolve('tap', { basedir: __dirname }, function (err, res) {
    if (err) console.error(err);
    else console.log(res);
});
$ node example/async.js
/home/substack/projects/node-resolve/node_modules/tap/lib/main.js

synchronously resolve:

var resolve = require('resolve');
var res = resolve.sync('tap', { basedir: __dirname });
console.log(res);
$ node example/sync.js
/home/substack/projects/node-resolve/node_modules/tap/lib/main.js

methods

var resolve = require('resolve');

resolve(id, opts={}, cb)

Asynchronously resolve the module path string id into cb(err, res [, pkg]), where pkg (if defined) is the data from package.json.

options are:

For advanced users, paths can also be a opts.paths(request, start, opts) function * request - the import specifier being resolved * start - lookup path * getNodeModulesDirs - a thunk (no-argument function) that returns the paths using standard node_modules resolution * opts - the resolution options

default opts values:

{
    paths: [],
    basedir: __dirname,
    extensions: ['.js'],
    readFile: fs.readFile,
    isFile: function isFile(file, cb) {
        fs.stat(file, function (err, stat) {
            if (!err) {
                return cb(null, stat.isFile() || stat.isFIFO());
            }
            if (err.code === 'ENOENT' || err.code === 'ENOTDIR') return cb(null, false);
            return cb(err);
        });
    },
    moduleDirectory: 'node_modules',
    preserveSymlinks: true
}

resolve.sync(id, opts)

Synchronously resolve the module path string id, returning the result and throwing an error when id can't be resolved.

options are:

default opts values:

{
    paths: [],
    basedir: __dirname,
    extensions: ['.js'],
    readFileSync: fs.readFileSync,
    isFile: function isFile(file) {
        try {
            var stat = fs.statSync(file);
        } catch (e) {
            if (e && (e.code === 'ENOENT' || e.code === 'ENOTDIR')) return false;
            throw e;
        }
        return stat.isFile() || stat.isFIFO();
    },
    moduleDirectory: 'node_modules',
    preserveSymlinks: true
}

resolve.isCore(pkg)

Return whether a package is in core.

install

With npm do:

npm install resolve

license

MIT



JohnCoene/chirp documentation built on May 25, 2021, 6:33 p.m.