Elep

/**
 * @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/metadata_cache", ["require", "exports", "tslib", "typescript", "@angular/compiler-cli/src/transformers/util"], factory);
    }
})(function (require, exports) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    exports.MetadataCache = void 0;
    var tslib_1 = require("tslib");
    var ts = require("typescript");
    var util_1 = require("@angular/compiler-cli/src/transformers/util");
    /**
     * Cache, and potentially transform, metadata as it is being collected.
     */
    var MetadataCache = /** @class */ (function () {
        function MetadataCache(collector, strict, transformers) {
            var e_1, _a;
            this.collector = collector;
            this.strict = strict;
            this.transformers = transformers;
            this.metadataCache = new Map();
            try {
                for (var transformers_1 = tslib_1.__values(transformers), transformers_1_1 = transformers_1.next(); !transformers_1_1.done; transformers_1_1 = transformers_1.next()) {
                    var transformer = transformers_1_1.value;
                    if (transformer.connect) {
                        transformer.connect(this);
                    }
                }
            }
            catch (e_1_1) { e_1 = { error: e_1_1 }; }
            finally {
                try {
                    if (transformers_1_1 && !transformers_1_1.done && (_a = transformers_1.return)) _a.call(transformers_1);
                }
                finally { if (e_1) throw e_1.error; }
            }
        }
        MetadataCache.prototype.getMetadata = function (sourceFile) {
            var e_2, _a;
            if (this.metadataCache.has(sourceFile.fileName)) {
                return this.metadataCache.get(sourceFile.fileName);
            }
            var substitute = undefined;
            // Only process transformers on modules that are not declaration files.
            var declarationFile = sourceFile.isDeclarationFile;
            var moduleFile = ts.isExternalModule(sourceFile);
            if (!declarationFile && moduleFile) {
                var _loop_1 = function (transform) {
                    var transformSubstitute = transform.start(sourceFile);
                    if (transformSubstitute) {
                        if (substitute) {
                            var previous_1 = substitute;
                            substitute = function (value, node) {
                                return transformSubstitute(previous_1(value, node), node);
                            };
                        }
                        else {
                            substitute = transformSubstitute;
                        }
                    }
                };
                try {
                    for (var _b = tslib_1.__values(this.transformers), _c = _b.next(); !_c.done; _c = _b.next()) {
                        var transform = _c.value;
                        _loop_1(transform);
                    }
                }
                catch (e_2_1) { e_2 = { error: e_2_1 }; }
                finally {
                    try {
                        if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
                    }
                    finally { if (e_2) throw e_2.error; }
                }
            }
            var isTsFile = util_1.TS.test(sourceFile.fileName);
            var result = this.collector.getMetadata(sourceFile, this.strict && isTsFile, substitute);
            this.metadataCache.set(sourceFile.fileName, result);
            return result;
        };
        return MetadataCache;
    }());
    exports.MetadataCache = MetadataCache;
});
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