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

Utilities for automated component documentation within Storybook

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
var __generator = (this && this.__generator) || function (thisArg, body) {
    var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
    return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
    function verb(n) { return function (v) { return step([n, v]); }; }
    function step(op) {
        if (f) throw new TypeError("Generator is already executing.");
        while (_) try {
            if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
            if (y = 0, t) op = [op[0] & 2, t.value];
            switch (op[0]) {
                case 0: case 1: t = op; break;
                case 4: _.label++; return { value: op[1], done: false };
                case 5: _.label++; y = op[1]; op = [0]; continue;
                case 7: op = _.ops.pop(); _.trys.pop(); continue;
                default:
                    if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
                    if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
                    if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
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        if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
    }
};
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 __awaiter(void 0, void 0, void 0, function () {
                return __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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