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68 lines
1.6 KiB
68 lines
1.6 KiB
'use strict'
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const getPluginName = require('./lib/getPluginName')
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const toCamelCase = require('./lib/toCamelCase')
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let count = 0
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function plugin (fn, options = {}) {
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let autoName = false
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if (typeof fn.default !== 'undefined') {
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// Support for 'export default' behaviour in transpiled ECMAScript module
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fn = fn.default
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}
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if (typeof fn !== 'function') {
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throw new TypeError(
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`fastify-plugin expects a function, instead got a '${typeof fn}'`
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)
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}
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if (typeof options === 'string') {
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options = {
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fastify: options
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}
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}
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if (
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typeof options !== 'object' ||
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Array.isArray(options) ||
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options === null
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) {
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throw new TypeError('The options object should be an object')
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}
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if (options.fastify !== undefined && typeof options.fastify !== 'string') {
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throw new TypeError(`fastify-plugin expects a version string, instead got '${typeof options.fastify}'`)
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}
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if (!options.name) {
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autoName = true
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options.name = getPluginName(fn) + '-auto-' + count++
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}
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fn[Symbol.for('skip-override')] = options.encapsulate !== true
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fn[Symbol.for('fastify.display-name')] = options.name
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fn[Symbol.for('plugin-meta')] = options
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// Faux modules support
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if (!fn.default) {
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fn.default = fn
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}
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// TypeScript support for named imports
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// See https://github.com/fastify/fastify/issues/2404 for more details
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// The type definitions would have to be update to match this.
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const camelCase = toCamelCase(options.name)
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if (!autoName && !fn[camelCase]) {
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fn[camelCase] = fn
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}
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return fn
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}
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module.exports = plugin
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module.exports.default = plugin
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module.exports.fastifyPlugin = plugin
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