@angular/compiler-cli/src/transformers/node_emitter_transform.js

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
(function (factory) {
    if (typeof module === "object" && typeof module.exports === "object") {
        var v = factory(require, exports);
        if (v !== undefined) module.exports = v;
    }
    else if (typeof define === "function" && define.amd) {
        define("@angular/compiler-cli/src/transformers/node_emitter_transform", ["require", "exports", "tslib", "typescript", "@angular/compiler-cli/src/transformers/node_emitter", "@angular/compiler-cli/src/transformers/util"], factory);
    }
})(function (require, exports) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    exports.getAngularEmitterTransformFactory = void 0;
    var tslib_1 = require("tslib");
    var ts = require("typescript");
    var node_emitter_1 = require("@angular/compiler-cli/src/transformers/node_emitter");
    var util_1 = require("@angular/compiler-cli/src/transformers/util");
    function getPreamble(original) {
        return "*\n * @fileoverview This file was generated by the Angular template compiler. Do not edit.\n * " + original + "\n * @suppress {suspiciousCode,uselessCode,missingProperties,missingOverride,checkTypes,extraRequire}\n * tslint:disable\n ";
    }
    /**
     * Returns a transformer that does two things for generated files (ngfactory etc):
     * - adds a fileoverview JSDoc comment containing Closure Compiler specific "suppress"ions in JSDoc.
     *   The new comment will contain any fileoverview comment text from the original source file this
     *   file was generated from.
     * - updates generated files that are not in the given map of generatedFiles to have an empty
     *   list of statements as their body.
     */
    function getAngularEmitterTransformFactory(generatedFiles, program, annotateForClosureCompiler) {
        return function () {
            var emitter = new node_emitter_1.TypeScriptNodeEmitter(annotateForClosureCompiler);
            return function (sourceFile) {
                var g = generatedFiles.get(sourceFile.fileName);
                var orig = g && program.getSourceFile(g.srcFileUrl);
                var originalComment = '';
                if (orig)
                    originalComment = getFileoverviewComment(orig);
                var preamble = getPreamble(originalComment);
                if (g && g.stmts) {
                    var _a = tslib_1.__read(emitter.updateSourceFile(sourceFile, g.stmts, preamble), 1), newSourceFile = _a[0];
                    return newSourceFile;
                }
                else if (util_1.GENERATED_FILES.test(sourceFile.fileName)) {
                    // The file should be empty, but emitter.updateSourceFile would still add imports
                    // and various minutiae.
                    // Clear out the source file entirely, only including the preamble comment, so that
                    // ngc produces an empty .js file.
                    var commentStmt = ts.createNotEmittedStatement(sourceFile);
                    ts.addSyntheticLeadingComment(commentStmt, ts.SyntaxKind.MultiLineCommentTrivia, preamble, 
                    /* hasTrailingNewline */ true);
                    return ts.updateSourceFileNode(sourceFile, [commentStmt]);
                }
                return sourceFile;
            };
        };
    }
    exports.getAngularEmitterTransformFactory = getAngularEmitterTransformFactory;
    /**
     * Parses and returns the comment text (without start and end markers) of a \@fileoverview comment
     * in the given source file. Returns the empty string if no such comment can be found.
     */
    function getFileoverviewComment(sourceFile) {
        var trivia = sourceFile.getFullText().substring(0, sourceFile.getStart());
        var leadingComments = ts.getLeadingCommentRanges(trivia, 0);
        if (!leadingComments || leadingComments.length === 0)
            return '';
        var comment = leadingComments[0];
        if (comment.kind !== ts.SyntaxKind.MultiLineCommentTrivia)
            return '';
        // Only comments separated with a \n\n from the file contents are considered file-level comments
        // in TypeScript.
        if (sourceFile.getFullText().substring(comment.end, comment.end + 2) !== '\n\n')
            return '';
        var commentText = sourceFile.getFullText().substring(comment.pos, comment.end);
        // Closure Compiler ignores @suppress and similar if the comment contains @license.
        if (commentText.indexOf('@license') !== -1)
            return '';
        // Also remove any leading `* ` from the first line in case it was a JSDOC comment
        return util_1.stripComment(commentText).replace(/^\*\s+/, '');
    }
});
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"node_emitter_transform.js","sourceRoot":"","sources":["../../../../../../../packages/compiler-cli/src/transformers/node_emitter_transform.ts"],"names":[],"mappings":"AAAA;;;;;;GAMG;;;;;;;;;;;;;;IAGH,+BAAiC;IAEjC,oFAAqD;IACrD,oEAAqD;IAErD,SAAS,WAAW,CAAC,QAAgB;QACnC,OAAO,oGAEJ,QAAQ,gIAGX,CAAC;IACH,CAAC;IAED;;;;;;;OAOG;IACH,SAAgB,iCAAiC,CAC7C,cAA0C,EAAE,OAAmB,EAC/D,0BAAmC;QACrC,OAAO;YACL,IAAM,OAAO,GAAG,IAAI,oCAAqB,CAAC,0BAA0B,CAAC,CAAC;YACtE,OAAO,UAAS,UAAyB;gBACvC,IAAM,CAAC,GAAG,cAAc,CAAC,GAAG,CAAC,UAAU,CAAC,QAAQ,CAAC,CAAC;gBAClD,IAAM,IAAI,GAAG,CAAC,IAAI,OAAO,CAAC,aAAa,CAAC,CAAC,CAAC,UAAU,CAAC,CAAC;gBACtD,IAAI,eAAe,GAAG,EAAE,CAAC;gBACzB,IAAI,IAAI;oBAAE,eAAe,GAAG,sBAAsB,CAAC,IAAI,CAAC,CAAC;gBACzD,IAAM,QAAQ,GAAG,WAAW,CAAC,eAAe,CAAC,CAAC;gBAC9C,IAAI,CAAC,IAAI,CAAC,CAAC,KAAK,EAAE;oBACV,IAAA,KAAA,eAAkB,OAAO,CAAC,gBAAgB,CAAC,UAAU,EAAE,CAAC,CAAC,KAAK,EAAE,QAAQ,CAAC,IAAA,EAAxE,aAAa,QAA2D,CAAC;oBAChF,OAAO,aAAa,CAAC;iBACtB;qBAAM,IAAI,sBAAe,CAAC,IAAI,CAAC,UAAU,CAAC,QAAQ,CAAC,EAAE;oBACpD,iFAAiF;oBACjF,wBAAwB;oBACxB,mFAAmF;oBACnF,kCAAkC;oBAClC,IAAM,WAAW,GAAG,EAAE,CAAC,yBAAyB,CAAC,UAAU,CAAC,CAAC;oBAC7D,EAAE,CAAC,0BAA0B,CACzB,WAAW,EAAE,EAAE,CAAC,UAAU,CAAC,sBAAsB,EAAE,QAAQ;oBAC3D,wBAAwB,CAAC,IAAI,CAAC,CAAC;oBACnC,OAAO,EAAE,CAAC,oBAAoB,CAAC,UAAU,EAAE,CAAC,WAAW,CAAC,CAAC,CAAC;iBAC3D;gBACD,OAAO,UAAU,CAAC;YACpB,CAAC,CAAC;QACJ,CAAC,CAAC;IACJ,CAAC;IA5BD,8EA4BC;IAED;;;OAGG;IACH,SAAS,sBAAsB,CAAC,UAAyB;QACvD,IAAM,MAAM,GAAG,UAAU,CAAC,WAAW,EAAE,CAAC,SAAS,CAAC,CAAC,EAAE,UAAU,CAAC,QAAQ,EAAE,CAAC,CAAC;QAC5E,IAAM,eAAe,GAAG,EAAE,CAAC,uBAAuB,CAAC,MAAM,EAAE,CAAC,CAAC,CAAC;QAC9D,IAAI,CAAC,eAAe,IAAI,eAAe,CAAC,MAAM,KAAK,CAAC;YAAE,OAAO,EAAE,CAAC;QAChE,IAAM,OAAO,GAAG,eAAe,CAAC,CAAC,CAAC,CAAC;QACnC,IAAI,OAAO,CAAC,IAAI,KAAK,EAAE,CAAC,UAAU,CAAC,sBAAsB;YAAE,OAAO,EAAE,CAAC;QACrE,gGAAgG;QAChG,iBAAiB;QACjB,IAAI,UAAU,CAAC,WAAW,EAAE,CAAC,SAAS,CAAC,OAAO,CAAC,GAAG,EAAE,OAAO,CAAC,GAAG,GAAG,CAAC,CAAC,KAAK,MAAM;YAAE,OAAO,EAAE,CAAC;QAC3F,IAAM,WAAW,GAAG,UAAU,CAAC,WAAW,EAAE,CAAC,SAAS,CAAC,OAAO,CAAC,GAAG,EAAE,OAAO,CAAC,GAAG,CAAC,CAAC;QACjF,mFAAmF;QACnF,IAAI,WAAW,CAAC,OAAO,CAAC,UAAU,CAAC,KAAK,CAAC,CAAC;YAAE,OAAO,EAAE,CAAC;QACtD,kFAAkF;QAClF,OAAO,mBAAY,CAAC,WAAW,CAAC,CAAC,OAAO,CAAC,QAAQ,EAAE,EAAE,CAAC,CAAC;IACzD,CAAC","sourcesContent":["/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {GeneratedFile} from '@angular/compiler';\nimport * as ts from 'typescript';\n\nimport {TypeScriptNodeEmitter} from './node_emitter';\nimport {GENERATED_FILES, stripComment} from './util';\n\nfunction getPreamble(original: string) {\n  return `*\n * @fileoverview This file was generated by the Angular template compiler. Do not edit.\n * ${original}\n * @suppress {suspiciousCode,uselessCode,missingProperties,missingOverride,checkTypes,extraRequire}\n * tslint:disable\n `;\n}\n\n/**\n * Returns a transformer that does two things for generated files (ngfactory etc):\n * - adds a fileoverview JSDoc comment containing Closure Compiler specific \"suppress\"ions in JSDoc.\n *   The new comment will contain any fileoverview comment text from the original source file this\n *   file was generated from.\n * - updates generated files that are not in the given map of generatedFiles to have an empty\n *   list of statements as their body.\n */\nexport function getAngularEmitterTransformFactory(\n    generatedFiles: Map<string, GeneratedFile>, program: ts.Program,\n    annotateForClosureCompiler: boolean): () => (sourceFile: ts.SourceFile) => ts.SourceFile {\n  return function() {\n    const emitter = new TypeScriptNodeEmitter(annotateForClosureCompiler);\n    return function(sourceFile: ts.SourceFile): ts.SourceFile {\n      const g = generatedFiles.get(sourceFile.fileName);\n      const orig = g && program.getSourceFile(g.srcFileUrl);\n      let originalComment = '';\n      if (orig) originalComment = getFileoverviewComment(orig);\n      const preamble = getPreamble(originalComment);\n      if (g && g.stmts) {\n        const [newSourceFile] = emitter.updateSourceFile(sourceFile, g.stmts, preamble);\n        return newSourceFile;\n      } else if (GENERATED_FILES.test(sourceFile.fileName)) {\n        // The file should be empty, but emitter.updateSourceFile would still add imports\n        // and various minutiae.\n        // Clear out the source file entirely, only including the preamble comment, so that\n        // ngc produces an empty .js file.\n        const commentStmt = ts.createNotEmittedStatement(sourceFile);\n        ts.addSyntheticLeadingComment(\n            commentStmt, ts.SyntaxKind.MultiLineCommentTrivia, preamble,\n            /* hasTrailingNewline */ true);\n        return ts.updateSourceFileNode(sourceFile, [commentStmt]);\n      }\n      return sourceFile;\n    };\n  };\n}\n\n/**\n * Parses and returns the comment text (without start and end markers) of a \\@fileoverview comment\n * in the given source file. Returns the empty string if no such comment can be found.\n */\nfunction getFileoverviewComment(sourceFile: ts.SourceFile): string {\n  const trivia = sourceFile.getFullText().substring(0, sourceFile.getStart());\n  const leadingComments = ts.getLeadingCommentRanges(trivia, 0);\n  if (!leadingComments || leadingComments.length === 0) return '';\n  const comment = leadingComments[0];\n  if (comment.kind !== ts.SyntaxKind.MultiLineCommentTrivia) return '';\n  // Only comments separated with a \\n\\n from the file contents are considered file-level comments\n  // in TypeScript.\n  if (sourceFile.getFullText().substring(comment.end, comment.end + 2) !== '\\n\\n') return '';\n  const commentText = sourceFile.getFullText().substring(comment.pos, comment.end);\n  // Closure Compiler ignores @suppress and similar if the comment contains @license.\n  if (commentText.indexOf('@license') !== -1) return '';\n  // Also remove any leading `* ` from the first line in case it was a JSDOC comment\n  return stripComment(commentText).replace(/^\\*\\s+/, '');\n}\n"]}