@angular/language-service/ivy/language_service_adapter.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/language-service/ivy/language_service_adapter", ["require", "exports", "@angular/compiler-cli/src/ngtsc/file_system", "@angular/compiler-cli/src/ngtsc/shims"], factory);
    }
})(function (require, exports) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    exports.isExternalTemplate = exports.isTypeScriptFile = exports.LanguageServiceAdapter = void 0;
    var file_system_1 = require("@angular/compiler-cli/src/ngtsc/file_system");
    var shims_1 = require("@angular/compiler-cli/src/ngtsc/shims");
    var LanguageServiceAdapter = /** @class */ (function () {
        function LanguageServiceAdapter(project) {
            var _a;
            this.project = project;
            this.entryPoint = null;
            this.constructionDiagnostics = [];
            this.ignoreForEmit = new Set();
            this.factoryTracker = null; // no .ngfactory shims
            this.unifiedModulesHost = null; // only used in Bazel
            this.templateVersion = new Map();
            this.rootDirs = ((_a = project.getCompilationSettings().rootDirs) === null || _a === void 0 ? void 0 : _a.map(file_system_1.absoluteFrom)) || [];
        }
        LanguageServiceAdapter.prototype.isShim = function (sf) {
            return shims_1.isShim(sf);
        };
        LanguageServiceAdapter.prototype.fileExists = function (fileName) {
            return this.project.fileExists(fileName);
        };
        LanguageServiceAdapter.prototype.readFile = function (fileName) {
            return this.project.readFile(fileName);
        };
        LanguageServiceAdapter.prototype.getCurrentDirectory = function () {
            return this.project.getCurrentDirectory();
        };
        LanguageServiceAdapter.prototype.getCanonicalFileName = function (fileName) {
            return this.project.projectService.toCanonicalFileName(fileName);
        };
        /**
         * readResource() is an Angular-specific method for reading files that are not
         * managed by the TS compiler host, namely templates and stylesheets.
         * It is a method on ExtendedTsCompilerHost, see
         * packages/compiler-cli/src/ngtsc/core/api/src/interfaces.ts
         */
        LanguageServiceAdapter.prototype.readResource = function (fileName) {
            if (isTypeScriptFile(fileName)) {
                throw new Error("readResource() should not be called on TS file: " + fileName);
            }
            // Calling getScriptSnapshot() will actually create a ScriptInfo if it does
            // not exist! The same applies for getScriptVersion().
            // getScriptInfo() will not create one if it does not exist.
            // In this case, we *want* a script info to be created so that we could
            // keep track of its version.
            var snapshot = this.project.getScriptSnapshot(fileName);
            if (!snapshot) {
                // This would fail if the file does not exist, or readFile() fails for
                // whatever reasons.
                throw new Error("Failed to get script snapshot while trying to read " + fileName);
            }
            var version = this.project.getScriptVersion(fileName);
            this.templateVersion.set(fileName, version);
            return snapshot.getText(0, snapshot.getLength());
        };
        LanguageServiceAdapter.prototype.isTemplateDirty = function (fileName) {
            var lastVersion = this.templateVersion.get(fileName);
            var latestVersion = this.project.getScriptVersion(fileName);
            return lastVersion !== latestVersion;
        };
        return LanguageServiceAdapter;
    }());
    exports.LanguageServiceAdapter = LanguageServiceAdapter;
    function isTypeScriptFile(fileName) {
        return fileName.endsWith('.ts');
    }
    exports.isTypeScriptFile = isTypeScriptFile;
    function isExternalTemplate(fileName) {
        return !isTypeScriptFile(fileName);
    }
    exports.isExternalTemplate = isExternalTemplate;
});
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