2021-07-30 13:57:35 -07:00

95 lines
3.0 KiB
JavaScript

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