2018-05-04 16:06:24 -04:00

57 lines
2.1 KiB
JavaScript

const {dirname} = require('path');
const {isString, isPlainObject, isFunction, noop, cloneDeep} = require('lodash');
const resolveFrom = require('resolve-from');
const getError = require('../get-error');
const {extractErrors} = require('../utils');
const PLUGINS_DEFINITIONS = require('../definitions/plugins');
module.exports = (pluginType, pluginsPath, globalOpts, pluginOpts, logger) => {
if (!pluginOpts) {
return noop;
}
const {path, ...config} = isString(pluginOpts) || isFunction(pluginOpts) ? {path: pluginOpts} : pluginOpts;
const pluginName = isFunction(path) ? `[Function: ${path.name}]` : path;
if (!isFunction(pluginOpts)) {
if (pluginsPath[path]) {
logger.log('Load plugin %s from %s in shareable config %s', pluginType, path, pluginsPath[path]);
} else {
logger.log('Load plugin %s from %s', pluginType, path);
}
}
const basePath = pluginsPath[path]
? dirname(resolveFrom.silent(__dirname, pluginsPath[path]) || resolveFrom(process.cwd(), pluginsPath[path]))
: __dirname;
const plugin = isFunction(path)
? path
: require(resolveFrom.silent(basePath, path) || resolveFrom(process.cwd(), path));
let func;
if (isFunction(plugin)) {
func = plugin.bind(null, cloneDeep({...globalOpts, ...config}));
} else if (isPlainObject(plugin) && plugin[pluginType] && isFunction(plugin[pluginType])) {
func = plugin[pluginType].bind(null, cloneDeep({...globalOpts, ...config}));
} else {
throw getError('EPLUGIN', {pluginType, pluginName});
}
const validator = async input => {
const definition = PLUGINS_DEFINITIONS[pluginType];
try {
const result = await func(cloneDeep(input));
if (definition && definition.output && !definition.output.validator(result)) {
throw getError(PLUGINS_DEFINITIONS[pluginType].output.error, {result, pluginName});
}
return result;
} catch (err) {
extractErrors(err).forEach(err => Object.assign(err, {pluginName}));
throw err;
}
};
Reflect.defineProperty(validator, 'pluginName', {value: pluginName, writable: false, enumerable: true});
return validator;
};