104 lines
3.4 KiB
JavaScript
104 lines
3.4 KiB
JavaScript
const {identity, isPlainObject, omit, castArray, isNil, isString} = require('lodash');
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const AggregateError = require('aggregate-error');
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const getError = require('../get-error');
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const PLUGINS_DEFINITIONS = require('../definitions/plugins');
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const {validatePlugin, validateStep, loadPlugin, parseConfig} = require('./utils');
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const pipeline = require('./pipeline');
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const normalize = require('./normalize');
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module.exports = async (context, pluginsPath) => {
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let {options, logger} = context;
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const errors = [];
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const plugins = options.plugins
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? await castArray(options.plugins).reduce(async (eventualPluginsList, plugin) => {
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const pluginsList = await eventualPluginsList;
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if (validatePlugin(plugin)) {
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const [name, config] = parseConfig(plugin);
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plugin = isString(name) ? await loadPlugin(context, name, pluginsPath) : name;
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if (isPlainObject(plugin)) {
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Object.entries(plugin).forEach(([type, func]) => {
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if (PLUGINS_DEFINITIONS[type]) {
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Reflect.defineProperty(func, 'pluginName', {
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value: isPlainObject(name) ? 'Inline plugin' : name,
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writable: false,
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enumerable: true,
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});
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pluginsList[type] = [...(pluginsList[type] || []), [func, config]];
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}
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});
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} else {
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errors.push(getError('EPLUGINSCONF', {plugin}));
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}
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} else {
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errors.push(getError('EPLUGINSCONF', {plugin}));
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}
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return pluginsList;
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}, {})
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: [];
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if (errors.length > 0) {
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throw new AggregateError(errors);
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}
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options = {...plugins, ...options};
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const pluginsConfig = await Object.entries(PLUGINS_DEFINITIONS).reduce(
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async (
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eventualPluginsConfigAccumulator,
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[type, {required, default: def, pipelineConfig, postprocess = identity, preprocess = identity}]
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) => {
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let pluginOptions;
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const pluginsConfigAccumulator = await eventualPluginsConfigAccumulator;
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if (isNil(options[type]) && def) {
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pluginOptions = def;
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} else {
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// If an object is passed and the path is missing, merge it with step options
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if (isPlainObject(options[type]) && !options[type].path) {
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options[type] = castArray(plugins[type]).map((plugin) =>
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plugin ? [plugin[0], Object.assign(plugin[1], options[type])] : plugin
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);
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}
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if (!validateStep({required}, options[type])) {
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errors.push(getError('EPLUGINCONF', {type, required, pluginConf: options[type]}));
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return pluginsConfigAccumulator;
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}
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pluginOptions = options[type];
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}
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const steps = await Promise.all(
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castArray(pluginOptions).map(async (pluginOpt) =>
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normalize(
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{...context, options: omit(options, Object.keys(PLUGINS_DEFINITIONS), 'plugins')},
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type,
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pluginOpt,
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pluginsPath
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)
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)
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);
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pluginsConfigAccumulator[type] = async (input) =>
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postprocess(
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await pipeline(
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steps,
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pipelineConfig && pipelineConfig(pluginsConfigAccumulator, logger)
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)(await preprocess(input)),
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input
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);
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return pluginsConfigAccumulator;
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},
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plugins
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);
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if (errors.length > 0) {
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throw new AggregateError(errors);
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}
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return pluginsConfig;
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};
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