graphql-codegen-compiler/dist/compile.js

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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};
var __generator = (this && this.__generator) || function (thisArg, body) {
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    function verb(n) { return function (v) { return step([n, v]); }; }
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                case 0: case 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 };
    }
};
Object.defineProperty(exports, "__esModule", { value: true });
var graphql_codegen_core_1 = require("graphql-codegen-core");
var handlebars_1 = require("handlebars");
var handlebars_extensions_1 = require("./handlebars-extensions");
var flatten_types_1 = require("./flatten-types");
var generate_multiple_files_1 = require("./generate-multiple-files");
var generate_single_file_1 = require("./generate-single-file");
var clean_template_1 = require("./clean-template");
exports.DEFAULT_SETTINGS = {
    generateSchema: true,
    generateDocuments: true
};
function compileTemplate(config, templateContext, documents, settings) {
    if (documents === void 0) { documents = []; }
    if (settings === void 0) { settings = exports.DEFAULT_SETTINGS; }
    return __awaiter(this, void 0, void 0, function () {
        var isExternalProcessingFunction, executionSettings, mergedDocuments, externalFn, result, e_1, templates_1, compiledTemplates;
        return __generator(this, function (_a) {
            switch (_a.label) {
                case 0:
                    isExternalProcessingFunction = graphql_codegen_core_1.isCustomProcessingFunction(config);
                    graphql_codegen_core_1.debugLog("[compileTemplate] settings = ", settings);
                    if (!config) {
                        throw new Error("compileTemplate requires a valid GeneratorConfig object or a custom output processing function (CustomProcessingFunction)!");
                    }
                    executionSettings = Object.assign(exports.DEFAULT_SETTINGS, settings);
                    if (!executionSettings.generateDocuments) {
                        graphql_codegen_core_1.debugLog("[compileTemplate] generateDocuments is false, ignoring documents...");
                        mergedDocuments = {
                            fragments: [],
                            operations: [],
                            hasFragments: false,
                            hasOperations: false
                        };
                    }
                    else {
                        mergedDocuments = documents.reduce(function (previousValue, item) {
                            var opArr = previousValue.operations.concat(item.operations);
                            var frArr = previousValue.fragments.concat(item.fragments);
                            return {
                                operations: opArr,
                                fragments: frArr,
                                hasFragments: frArr.length > 0,
                                hasOperations: opArr.length > 0
                            };
                        }, { hasFragments: false, hasOperations: false, operations: [], fragments: [] });
                        graphql_codegen_core_1.debugLog("[compileTemplate] all documents merged into single document, total of " + mergedDocuments.operations.length + " operations and " + mergedDocuments.fragments.length + " fragments");
                        if (!isExternalProcessingFunction && config.flattenTypes) {
                            graphql_codegen_core_1.debugLog("[compileTemplate] flattenTypes is true, flattening all selection sets from all documents...");
                            mergedDocuments = flatten_types_1.flattenTypes(mergedDocuments);
                        }
                    }
                    if (!isExternalProcessingFunction) return [3 /*break*/, 5];
                    graphql_codegen_core_1.debugLog("[compileTemplate] starting to compile template with external processing function...");
                    externalFn = config;
                    _a.label = 1;
                case 1:
                    _a.trys.push([1, 3, , 4]);
                    return [4 /*yield*/, externalFn(templateContext, mergedDocuments, executionSettings)];
                case 2:
                    result = _a.sent();
                    if (!Array.isArray(result)) {
                        throw new Error('The result of external processing function must be an array of FileOutput!');
                    }
                    return [2 /*return*/, result];
                case 3:
                    e_1 = _a.sent();
                    graphql_codegen_core_1.debugLog('[compileTemplate] external processing function has thrown an exception!', e_1);
                    throw e_1;
                case 4: return [3 /*break*/, 6];
                case 5:
                    config = config;
                    if (!config.config) {
                        config.config = {};
                    }
                    graphql_codegen_core_1.debugLog("[compileTemplate] starting to compile template with input type = " + config.inputType);
                    handlebars_extensions_1.initHelpers(config, templateContext);
                    templates_1 = config.templates;
                    Object.keys(templates_1).forEach(function (templateName) {
                        graphql_codegen_core_1.debugLog("[compileTemplate] register partial template " + templateName);
                        var partialName = templateName.includes('.') ? templateName.split('.').reverse()[1] : templateName;
                        handlebars_1.registerPartial(partialName, templates_1[templateName].trim());
                    });
                    if (config.inputType === graphql_codegen_core_1.EInputType.SINGLE_FILE) {
                        if (!templates_1['index']) {
                            throw new Error("Template 'index' is required when using inputType = SINGLE_FILE!");
                        }
                        if (!config.outFile) {
                            throw new Error('Config outFile is required when using inputType = SINGLE_FILE!');
                        }
                        graphql_codegen_core_1.debugLog("[compileTemplate] Executing generateSingleFile...");
                        return [2 /*return*/, generate_single_file_1.generateSingleFile(handlebars_1.compile(clean_template_1.cleanTemplateComments(templates_1['index'])), executionSettings, config, templateContext, mergedDocuments)];
                    }
                    else if (config.inputType === graphql_codegen_core_1.EInputType.MULTIPLE_FILES || config.inputType === graphql_codegen_core_1.EInputType.PROJECT) {
                        if (config.inputType === graphql_codegen_core_1.EInputType.MULTIPLE_FILES) {
                            if (!config.filesExtension) {
                                throw new Error('Config filesExtension is required when using inputType = MULTIPLE_FILES!');
                            }
                        }
                        graphql_codegen_core_1.debugLog("[compileTemplate] Executing generateMultipleFiles...");
                        compiledTemplates = Object.keys(templates_1)
                            .map(function (templateName) {
                            graphql_codegen_core_1.debugLog("[compileTemplate] Compiling template: " + templateName + "...");
                            var compiledTemplate = handlebars_1.compile(clean_template_1.cleanTemplateComments(templates_1[templateName], templateName));
                            return {
                                key: templateName,
                                value: compiledTemplate
                            };
                        })
                            .reduce(function (prev, item) {
                            prev[item.key] = item.value;
                            return prev;
                        }, {});
                        graphql_codegen_core_1.debugLog("[compileTemplate] Templates names: ", Object.keys(compiledTemplates));
                        return [2 /*return*/, generate_multiple_files_1.generateMultipleFiles(compiledTemplates, executionSettings, config, templateContext, mergedDocuments)];
                    }
                    else {
                        throw new Error("Invalid inputType specified: " + config.inputType + "!");
                    }
                    _a.label = 6;
                case 6: return [2 /*return*/];
            }
        });
    });
}
exports.compileTemplate = compileTemplate;
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