5bec59b26b
BREAKING CHANGE: Each plugin is expected to return an async function or a Promise returning function. The callback parameter is not passed to plugins anymore.
35 lines
1.2 KiB
JavaScript
35 lines
1.2 KiB
JavaScript
const {inspect} = require('util');
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const {isString, isObject, isFunction, noop, cloneDeep} = require('lodash');
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const importFrom = require('import-from');
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module.exports = (pluginType, pluginConfig, logger, validator) => {
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if (!pluginConfig) {
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return noop;
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}
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const {path, ...config} = isString(pluginConfig) || isFunction(pluginConfig) ? {path: pluginConfig} : pluginConfig;
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if (!isFunction(pluginConfig)) {
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logger.log('Load plugin %s', path);
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}
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const plugin = isFunction(path) ? path : importFrom.silent(__dirname, path) || importFrom(process.cwd(), path);
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let func;
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if (isFunction(plugin)) {
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func = plugin.bind(null, cloneDeep(config));
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} else if (isObject(plugin) && plugin[pluginType] && isFunction(plugin[pluginType])) {
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func = plugin[pluginType].bind(null, cloneDeep(config));
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} else {
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throw new Error(
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`The ${pluginType} plugin must be a function, or an object with a function in the property ${pluginType}.`
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);
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}
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return async input => {
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const result = await func(cloneDeep(input));
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if (validator && !validator.validator(result)) {
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throw new Error(`${validator.message}. Received: ${inspect(result)}`);
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}
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return result;
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};
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};
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