strong-tie/inbound-calls

1'use strict'2 3const getPluginName = require('./lib/getPluginName')4const toCamelCase = require('./lib/toCamelCase')5 6let count = 07 8function plugin (fn, options = {}) {9  let autoName = false10 11  if (fn.default !== undefined) {12    // Support for 'export default' behaviour in transpiled ECMAScript module13    fn = fn.default14  }15 16  if (typeof fn !== 'function') {17    throw new TypeError(18      `fastify-plugin expects a function, instead got a '${typeof fn}'`19    )20  }21 22  if (typeof options === 'string') {23    options = {24      fastify: options25    }26  }27 28  if (29    typeof options !== 'object' ||30    Array.isArray(options) ||31    options === null32  ) {33    throw new TypeError('The options object should be an object')34  }35 36  if (options.fastify !== undefined && typeof options.fastify !== 'string') {37    throw new TypeError(`fastify-plugin expects a version string, instead got '${typeof options.fastify}'`)38  }39 40  if (!options.name) {41    autoName = true42    options.name = getPluginName(fn) + '-auto-' + count++43  }44 45  fn[Symbol.for('skip-override')] = options.encapsulate !== true46  fn[Symbol.for('fastify.display-name')] = options.name47  fn[Symbol.for('plugin-meta')] = options48 49  // Faux modules support50  if (!fn.default) {51    fn.default = fn52  }53 54  // TypeScript support for named imports55  // See https://github.com/fastify/fastify/issues/2404 for more details56  // The type definitions would have to be update to match this.57  const camelCase = toCamelCase(options.name)58  if (!autoName && !fn[camelCase]) {59    fn[camelCase] = fn60  }61 62  return fn63}64 65module.exports = plugin66module.exports.default = plugin67module.exports.fastifyPlugin = plugin68