53 lines
1.8 KiB
JavaScript

const {identity, isPlainObject, omit, castArray, isUndefined} = require('lodash');
const AggregateError = require('aggregate-error');
const getError = require('../get-error');
const PLUGINS_DEFINITIONS = require('../definitions/plugins');
const {validateConfig} = require('./utils');
const pipeline = require('./pipeline');
const normalize = require('./normalize');
module.exports = (context, pluginsPath) => {
const {options, logger} = context;
const errors = [];
const plugins = Object.entries(PLUGINS_DEFINITIONS).reduce(
(
plugins,
[type, {multiple, required, default: def, pipelineConfig, postprocess = identity, preprocess = identity}]
) => {
let pluginOpts;
if (isUndefined(options[type])) {
pluginOpts = def;
} else {
const defaultPaths = castArray(def);
// If an object is passed and the path is missing, set the default one for single plugins
if (isPlainObject(options[type]) && !options[type].path && defaultPaths.length === 1) {
[options[type].path] = defaultPaths;
}
if (!validateConfig({multiple, required}, options[type])) {
errors.push(getError('EPLUGINCONF', {type, multiple, required, pluginConf: options[type]}));
return plugins;
}
pluginOpts = options[type];
}
const steps = castArray(pluginOpts).map(pluginOpt =>
normalize({...context, options: omit(options, Object.keys(PLUGINS_DEFINITIONS))}, type, pluginOpt, pluginsPath)
);
plugins[type] = async input =>
postprocess(
await pipeline(steps, pipelineConfig && pipelineConfig(plugins, logger))(await preprocess(input)),
input
);
return plugins;
},
{}
);
if (errors.length > 0) {
throw new AggregateError(errors);
}
return plugins;
};