@angular/compiler-cli/src/ngtsc/tsc_plugin.js

/**
 * @license
 * Copyright Google Inc. 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/ngtsc/tsc_plugin", ["require", "exports", "tslib", "typescript", "@angular/compiler-cli/src/ngtsc/synthetic_files_compiler_host"], factory);
    }
})(function (require, exports) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    var tslib_1 = require("tslib");
    var ts = require("typescript");
    var synthetic_files_compiler_host_1 = require("@angular/compiler-cli/src/ngtsc/synthetic_files_compiler_host");
    // Copied from tsc_wrapped/plugin_api.ts to avoid a runtime dependency on the
    // @bazel/typescript package - it would be strange for non-Bazel users of
    // Angular to fetch that package.
    function createProxy(delegate) {
        var e_1, _a;
        var proxy = Object.create(null);
        var _loop_1 = function (k) {
            proxy[k] = function () { return delegate[k].apply(delegate, arguments); };
        };
        try {
            for (var _b = tslib_1.__values(Object.keys(delegate)), _c = _b.next(); !_c.done; _c = _b.next()) {
                var k = _c.value;
                _loop_1(k);
            }
        }
        catch (e_1_1) { e_1 = { error: e_1_1 }; }
        finally {
            try {
                if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
            }
            finally { if (e_1) throw e_1.error; }
        }
        return proxy;
    }
    var NgTscPlugin = /** @class */ (function () {
        function NgTscPlugin(angularCompilerOptions) {
            this.angularCompilerOptions = angularCompilerOptions;
        }
        NgTscPlugin.prototype.wrapHost = function (inputFiles, compilerHost) {
            return new synthetic_files_compiler_host_1.SyntheticFilesCompilerHost(inputFiles, compilerHost, function (rootFiles) {
                // For demo purposes, assume that the first .ts rootFile is the only
                // one that needs ngfactory.js/d.ts back-compat files produced.
                var tsInputs = rootFiles.filter(function (f) { return f.endsWith('.ts') && !f.endsWith('.d.ts'); });
                var factoryPath = tsInputs[0].replace(/\.ts/, '.ngfactory.ts');
                return {
                    factoryPath: function (host) {
                        return ts.createSourceFile(factoryPath, 'contents', ts.ScriptTarget.ES5);
                    },
                };
            });
        };
        NgTscPlugin.prototype.wrap = function (program, config, host) {
            var proxy = createProxy(program);
            proxy.getSemanticDiagnostics = function (sourceFile) {
                var result = tslib_1.__spread(program.getSemanticDiagnostics(sourceFile));
                // For demo purposes, trigger a diagnostic when the sourcefile has a magic string
                if (sourceFile.text.indexOf('diag') >= 0) {
                    var fake = {
                        file: sourceFile,
                        start: 0,
                        length: 3,
                        messageText: 'Example Angular Compiler Diagnostic',
                        category: ts.DiagnosticCategory.Error,
                        code: 12345,
                        // source is the name of the plugin.
                        source: 'ngtsc',
                    };
                    result.push(fake);
                }
                return result;
            };
            return proxy;
        };
        NgTscPlugin.prototype.createTransformers = function (host) {
            var afterDeclarations = [function (context) { return function (sf) {
                    var visitor = function (node) {
                        if (ts.isClassDeclaration(node)) {
                            // For demo purposes, transform the class name in the .d.ts output
                            return ts.updateClassDeclaration(node, node.decorators, node.modifiers, ts.createIdentifier('NEWNAME'), node.typeParameters, node.heritageClauses, node.members);
                        }
                        return ts.visitEachChild(node, visitor, context);
                    };
                    return visitor(sf);
                }; }];
            return { afterDeclarations: afterDeclarations };
        };
        return NgTscPlugin;
    }());
    exports.NgTscPlugin = NgTscPlugin;
});
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