firebase-js-sdk/packages/firestore/scripts/extract-api.js

"use strict";
/**
 * @license
 * Copyright 2020 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */Object.defineProperty(exports,"__esModule",{value:true});exports.extractPublicIdentifiers=extractPublicIdentifiers;var fs=require("fs");var ts=require("typescript");function extractIdentifiersFromNodeAndChildren(node,symbols){if(ts.isIdentifier(node)){symbols.add(node.escapedText.toString())}ts.forEachChild(node,(function(childNode){return extractIdentifiersFromNodeAndChildren(childNode,symbols)}))}function extractTypeDeclaration(fileName){var result;var compilerOptions={declaration:true,emitDeclarationOnly:true};var host=ts.createCompilerHost(compilerOptions);host.writeFile=function(_,contents){return result=contents};var program=ts.createProgram([fileName],compilerOptions,host);program.emit();return result}function extractPublicIdentifiers(filePaths){var publicIdentifiers=new Set;var _loop_1=function(filePath){var contents=fs.readFileSync(filePath,{encoding:"utf-8"});var sourceFile=ts.createSourceFile(filePath,contents,ts.ScriptTarget.ES2015);if(!sourceFile.isDeclarationFile){var dtsSource=extractTypeDeclaration(filePath);sourceFile=ts.createSourceFile(filePath.replace(".ts",".d.ts"),dtsSource,ts.ScriptTarget.ES2015)}var identifiers=new Set;ts.forEachChild(sourceFile,(function(childNode){return extractIdentifiersFromNodeAndChildren(childNode,identifiers)}));identifiers.forEach((function(api){publicIdentifiers.add(api)}))};for(var _i=0,filePaths_1=filePaths;_i<filePaths_1.length;_i++){var filePath=filePaths_1[_i];_loop_1(filePath)}return publicIdentifiers}