68 lines
1.5 KiB
JavaScript
68 lines
1.5 KiB
JavaScript
|
'use strict';
|
||
|
|
const url = require('url');
|
||
|
|
const got = require('got');
|
||
|
|
const registryUrl = require('registry-url');
|
||
|
|
const registryAuthToken = require('registry-auth-token');
|
||
|
|
const semver = require('semver');
|
||
|
|
|
||
|
|
module.exports = (name, opts) => {
|
||
|
|
const scope = name.split('/')[0];
|
||
|
|
const regUrl = registryUrl(scope);
|
||
|
|
const pkgUrl = url.resolve(regUrl, encodeURIComponent(name).replace(/^%40/, '@'));
|
||
|
|
const authInfo = registryAuthToken(regUrl, {recursive: true});
|
||
|
|
|
||
|
|
opts = Object.assign({
|
||
|
|
version: 'latest'
|
||
|
|
}, opts);
|
||
|
|
|
||
|
|
const headers = {
|
||
|
|
accept: 'application/vnd.npm.install-v1+json; q=1.0, application/json; q=0.8, */*'
|
||
|
|
};
|
||
|
|
|
||
|
|
if (opts.fullMetadata) {
|
||
|
|
delete headers.accept;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (authInfo) {
|
||
|
|
headers.authorization = `${authInfo.type} ${authInfo.token}`;
|
||
|
|
}
|
||
|
|
|
||
|
|
return got(pkgUrl, {json: true, headers})
|
||
|
|
.then(res => {
|
||
|
|
let data = res.body;
|
||
|
|
let version = opts.version;
|
||
|
|
|
||
|
|
if (opts.allVersions) {
|
||
|
|
return data;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (data['dist-tags'][version]) {
|
||
|
|
data = data.versions[data['dist-tags'][version]];
|
||
|
|
} else if (version) {
|
||
|
|
if (!data.versions[version]) {
|
||
|
|
const versions = Object.keys(data.versions);
|
||
|
|
version = semver.maxSatisfying(versions, version);
|
||
|
|
|
||
|
|
if (!version) {
|
||
|
|
throw new Error('Version doesn\'t exist');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
data = data.versions[version];
|
||
|
|
|
||
|
|
if (!data) {
|
||
|
|
throw new Error('Version doesn\'t exist');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return data;
|
||
|
|
})
|
||
|
|
.catch(err => {
|
||
|
|
if (err.statusCode === 404) {
|
||
|
|
throw new Error(`Package \`${name}\` doesn't exist`);
|
||
|
|
}
|
||
|
|
|
||
|
|
throw err;
|
||
|
|
});
|
||
|
|
};
|