wix-storybook-utils/dist/src/loader/index.js

Utilities for automated component documentation within Storybook

"use strict";
var tslib_1 = require("tslib");
var loaderUtils = require('loader-utils');
var path = require('path');
var pathFinder = require('react-autodocs-utils/src/path-finder');
var gatherAll = require('react-autodocs-utils/src/gather-all');
var metadataMerger = require('react-autodocs-utils/src/metadata-merger');
var prepareStory = require('./prepareStory/prepareStory');
var applyPlugins = function (_a) {
    var _b = _a.plugins, plugins = _b === void 0 ? [] : _b, source = _a.source, basePath = _a.basePath;
    return function (metadata) {
        if (metadata === void 0) { metadata = {}; }
        return plugins.reduce(function (promise, pluginPath) {
            var plugin;
            try {
                plugin = require(pluginPath);
            }
            catch (e) {
                console.warn("ERROR: could not require wix-storybook-utils plugin module \"".concat(pluginPath, "\""));
                return promise;
            }
            if (typeof plugin !== 'function') {
                console.warn("ERROR: wix-storybook-utils plugin \"".concat(pluginPath, "\" is not a function"));
                return promise;
            }
            return promise
                .then(function (accumulatedMetadata) { return tslib_1.__awaiter(void 0, void 0, void 0, function () {
                return tslib_1.__generator(this, function (_a) {
                    switch (_a.label) {
                        case 0: return [4 /*yield*/, plugin({ source: source, metadata: accumulatedMetadata, basePath: basePath })];
                        case 1: return [2 /*return*/, (_a.sent())
                                .metadata];
                    }
                });
            }); })
                .catch(function (e) {
                console.warn("ERROR: failure with custom wix-storybook-utils plugin \"".concat(pluginPath, "\""), e);
                return promise;
            });
        }, Promise.resolve(metadata));
    };
};
module.exports = function (source) {
    var _this = this;
    var callback = this.async();
    var _a = loaderUtils.getOptions(this), storyConfig = _a.storyConfig, plugins = _a.plugins;
    // 1. find component path
    pathFinder(source)
        .then(function (componentPath) {
        // 2. get component metadata
        var metadata = componentPath
            ? gatherAll(path.join(_this.context, componentPath), storyConfig.parserOptions)
            : Promise.resolve({});
        return metadata
            .then(applyPlugins({ source: source, plugins: plugins, basePath: _this.context })) // 3. apply plugged in analyzers
            .then(metadataMerger(source)) // 4. merge component metadata with storybook config
            .then(prepareStory(storyConfig, _this.context)); // 5. import and wrap with `story` function
    })
        // 5. succeed with augmented source
        .then(function (finalSource) { return callback(null, finalSource); })
        // otherwise callback with error
        .catch(function (e) {
        console.log('ERROR: Failure within story loader', e);
        callback(e);
    });
};
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