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65 lines
1.3 KiB
65 lines
1.3 KiB
'use strict';
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const fetch = require('node-fetch');
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const utils = require('./utils');
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const config = require('./config');
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/**
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* Registry constructor. Create an instance of a registry for querying registry.npmjs.org directly.
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*
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* ```js
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* const registry = new Registry();
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* ```
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*
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* @returns {Object} instance of `Registry`
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* @name Registry
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* @api public
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*/
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class Registry {
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constructor() {
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this.config = utils.clone(config);
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}
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/**
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* Get the package.json for the specified repository.
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*
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* ```js
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* let results = await registry.get('micromatch')
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* ```
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* @param {String} `name` Repository name to get.
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* @return {Promise} Results of the query when promise is resolved.
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* @name .get
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* @api public
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*/
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async get(name) {
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const response = await fetch(this.url(name));
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if (!response.ok) {
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throw new Error(response.statusText);
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}
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return response.json();
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}
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/**
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* Build a formatted url
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*
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* @param {String} `name` Repo name.
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* @return {String} formatted url string
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* @name .url
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* @api public
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*/
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url(name) {
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if (name[0] === '@' && name.indexOf('/') !== -1) {
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name = '@' + encodeURIComponent(name.slice(1));
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}
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return this.config.registry + name;
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}
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}
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/**
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* Exposes `Registry`
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*/
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module.exports = Registry;
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