2018-07-10 15:50:24 -04:00

47 lines
1.7 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 pipeline = require('./pipeline');
const normalize = require('./normalize');
module.exports = (options, pluginsPath, logger) => {
const errors = [];
const plugins = Object.entries(PLUGINS_DEFINITIONS).reduce(
(
plugins,
[type, {configValidator, default: def, pipelineConfig, postprocess = identity, preprocess = identity}]
) => {
let pluginConfs;
if (isUndefined(options[type])) {
pluginConfs = 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 (configValidator && !configValidator(options[type])) {
errors.push(getError('EPLUGINCONF', {type, pluginConf: options[type]}));
return plugins;
}
pluginConfs = options[type];
}
const globalOpts = omit(options, Object.keys(PLUGINS_DEFINITIONS));
const steps = castArray(pluginConfs).map(conf => normalize(type, pluginsPath, globalOpts, conf, logger));
plugins[type] = async input =>
postprocess(await pipeline(steps, pipelineConfig && pipelineConfig(plugins, logger))(await preprocess(input)));
return plugins;
},
{}
);
if (errors.length > 0) {
throw new AggregateError(errors);
}
return plugins;
};