source: trip-planner-front/node_modules/@angular/compiler/src/render3/r3_module_compiler.js@ 6a3a178

/**
 * @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/src/render3/r3_module_compiler", ["require", "exports", "@angular/compiler/src/output/output_ast", "@angular/compiler/src/render3/r3_identifiers", "@angular/compiler/src/render3/util", "@angular/compiler/src/render3/view/util"], factory);
    }
})(function (require, exports) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    exports.createNgModuleType = exports.compileNgModuleDeclarationExpression = exports.compileNgModule = void 0;
    var o = require("@angular/compiler/src/output/output_ast");
    var r3_identifiers_1 = require("@angular/compiler/src/render3/r3_identifiers");
    var util_1 = require("@angular/compiler/src/render3/util");
    var util_2 = require("@angular/compiler/src/render3/view/util");
    /**
     * Construct an `R3NgModuleDef` for the given `R3NgModuleMetadata`.
     */
    function compileNgModule(meta) {
        var internalType = meta.internalType, bootstrap = meta.bootstrap, declarations = meta.declarations, imports = meta.imports, exports = meta.exports, schemas = meta.schemas, containsForwardDecls = meta.containsForwardDecls, emitInline = meta.emitInline, id = meta.id;
        var statements = [];
        var definitionMap = new util_2.DefinitionMap();
        definitionMap.set('type', internalType);
        if (bootstrap.length > 0) {
            definitionMap.set('bootstrap', util_1.refsToArray(bootstrap, containsForwardDecls));
        }
        // If requested to emit scope information inline, pass the `declarations`, `imports` and `exports`
        // to the `ɵɵdefineNgModule()` call. The JIT compilation uses this.
        if (emitInline) {
            if (declarations.length > 0) {
                definitionMap.set('declarations', util_1.refsToArray(declarations, containsForwardDecls));
            }
            if (imports.length > 0) {
                definitionMap.set('imports', util_1.refsToArray(imports, containsForwardDecls));
            }
            if (exports.length > 0) {
                definitionMap.set('exports', util_1.refsToArray(exports, containsForwardDecls));
            }
        }
        // If not emitting inline, the scope information is not passed into `ɵɵdefineNgModule` as it would
        // prevent tree-shaking of the declarations, imports and exports references.
        else {
            var setNgModuleScopeCall = generateSetNgModuleScopeCall(meta);
            if (setNgModuleScopeCall !== null) {
                statements.push(setNgModuleScopeCall);
            }
        }
        if (schemas !== null && schemas.length > 0) {
            definitionMap.set('schemas', o.literalArr(schemas.map(function (ref) { return ref.value; })));
        }
        if (id !== null) {
            definitionMap.set('id', id);
        }
        var expression = o.importExpr(r3_identifiers_1.Identifiers.defineNgModule).callFn([definitionMap.toLiteralMap()], undefined, true);
        var type = createNgModuleType(meta);
        return { expression: expression, type: type, statements: statements };
    }
    exports.compileNgModule = compileNgModule;
    /**
     * This function is used in JIT mode to generate the call to `ɵɵdefineNgModule()` from a call to
     * `ɵɵngDeclareNgModule()`.
     */
    function compileNgModuleDeclarationExpression(meta) {
        var definitionMap = new util_2.DefinitionMap();
        definitionMap.set('type', new o.WrappedNodeExpr(meta.type));
        if (meta.bootstrap !== undefined) {
            definitionMap.set('bootstrap', new o.WrappedNodeExpr(meta.bootstrap));
        }
        if (meta.declarations !== undefined) {
            definitionMap.set('declarations', new o.WrappedNodeExpr(meta.declarations));
        }
        if (meta.imports !== undefined) {
            definitionMap.set('imports', new o.WrappedNodeExpr(meta.imports));
        }
        if (meta.exports !== undefined) {
            definitionMap.set('exports', new o.WrappedNodeExpr(meta.exports));
        }
        if (meta.schemas !== undefined) {
            definitionMap.set('schemas', new o.WrappedNodeExpr(meta.schemas));
        }
        if (meta.id !== undefined) {
            definitionMap.set('id', new o.WrappedNodeExpr(meta.id));
        }
        return o.importExpr(r3_identifiers_1.Identifiers.defineNgModule).callFn([definitionMap.toLiteralMap()]);
    }
    exports.compileNgModuleDeclarationExpression = compileNgModuleDeclarationExpression;
    function createNgModuleType(_a) {
        var moduleType = _a.type, declarations = _a.declarations, imports = _a.imports, exports = _a.exports;
        return new o.ExpressionType(o.importExpr(r3_identifiers_1.Identifiers.NgModuleDeclaration, [
            new o.ExpressionType(moduleType.type), tupleTypeOf(declarations), tupleTypeOf(imports),
            tupleTypeOf(exports)
        ]));
    }
    exports.createNgModuleType = createNgModuleType;
    /**
     * Generates a function call to `ɵɵsetNgModuleScope` with all necessary information so that the
     * transitive module scope can be computed during runtime in JIT mode. This call is marked pure
     * such that the references to declarations, imports and exports may be elided causing these
     * symbols to become tree-shakeable.
     */
    function generateSetNgModuleScopeCall(meta) {
        var moduleType = meta.adjacentType, declarations = meta.declarations, imports = meta.imports, exports = meta.exports, containsForwardDecls = meta.containsForwardDecls;
        var scopeMap = new util_2.DefinitionMap();
        if (declarations.length > 0) {
            scopeMap.set('declarations', util_1.refsToArray(declarations, containsForwardDecls));
        }
        if (imports.length > 0) {
            scopeMap.set('imports', util_1.refsToArray(imports, containsForwardDecls));
        }
        if (exports.length > 0) {
            scopeMap.set('exports', util_1.refsToArray(exports, containsForwardDecls));
        }
        if (Object.keys(scopeMap.values).length === 0) {
            return null;
        }
        // setNgModuleScope(...)
        var fnCall = new o.InvokeFunctionExpr(
        /* fn */ o.importExpr(r3_identifiers_1.Identifiers.setNgModuleScope), 
        /* args */ [moduleType, scopeMap.toLiteralMap()]);
        // (ngJitMode guard) && setNgModuleScope(...)
        var guardedCall = util_1.jitOnlyGuardedExpression(fnCall);
        // function() { (ngJitMode guard) && setNgModuleScope(...); }
        var iife = new o.FunctionExpr(
        /* params */ [], 
        /* statements */ [guardedCall.toStmt()]);
        // (function() { (ngJitMode guard) && setNgModuleScope(...); })()
        var iifeCall = new o.InvokeFunctionExpr(
        /* fn */ iife, 
        /* args */ []);
        return iifeCall.toStmt();
    }
    function tupleTypeOf(exp) {
        var types = exp.map(function (ref) { return o.typeofExpr(ref.type); });
        return exp.length > 0 ? o.expressionType(o.literalArr(types)) : o.NONE_TYPE;
    }
});
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rcesContent":["/**\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 {R3DeclareNgModuleFacade} from '../compiler_facade_interface';\nimport * as o from '../output/output_ast';\n\nimport {Identifiers as R3} from './r3_identifiers';\nimport {jitOnlyGuardedExpression, R3CompiledExpression, R3Reference, refsToArray} from './util';\nimport {DefinitionMap} from './view/util';\n\n/**\n * Metadata required by the module compiler to generate a module def (`ɵmod`) for a type.\n */\nexport interface R3NgModuleMetadata {\n  /**\n   * An expression representing the module type being compiled.\n   */\n  type: R3Reference;\n\n  /**\n   * An expression representing the module type being compiled, intended for use within a class\n   * definition itself.\n   *\n   * This can differ from the outer `type` if the class is being compiled by ngcc and is inside\n   * an IIFE structure that uses a different name internally.\n   */\n  internalType: o.Expression;\n\n  /**\n   * An expression intended for use by statements that are adjacent (i.e. tightly coupled) to but\n   * not internal to a class definition.\n   *\n   * This can differ from the outer `type` if the class is being compiled by ngcc and is inside\n   * an IIFE structure that uses a different name internally.\n   */\n  adjacentType: o.Expression;\n\n  /**\n   * An array of expressions representing the bootstrap components specified by the module.\n   */\n  bootstrap: R3Reference[];\n\n  /**\n   * An array of expressions representing the directives and pipes declared by the module.\n   */\n  declarations: R3Reference[];\n\n  /**\n   * An array of expressions representing the imports of the module.\n   */\n  imports: R3Reference[];\n\n  /**\n   * An array of expressions representing the exports of the module.\n   */\n  exports: R3Reference[];\n\n  /**\n   * Whether to emit the selector scope values (declarations, imports, exports) inline into the\n   * module definition, or to generate additional statements which patch them on. Inline emission\n   * does not allow components to be tree-shaken, but is useful for JIT mode.\n   */\n  emitInline: boolean;\n\n  /**\n   * Whether to generate closure wrappers for bootstrap, declarations, imports, and exports.\n   */\n  containsForwardDecls: boolean;\n\n  /**\n   * The set of schemas that declare elements to be allowed in the NgModule.\n   */\n  schemas: R3Reference[]|null;\n\n  /** Unique ID or expression representing the unique ID of an NgModule. */\n  id: o.Expression|null;\n}\n\n/**\n * The shape of the object literal that is passed to the `ɵɵdefineNgModule()` call.\n */\ninterface R3NgModuleDefMap {\n  /**\n   * An expression representing the module type being compiled.\n   */\n  type: o.Expression;\n  /**\n   * An expression evaluating to an array of expressions representing the bootstrap components\n   * specified by the module.\n   */\n  bootstrap?: o.Expression;\n  /**\n   * An expression evaluating to an array of expressions representing the directives and pipes\n   * declared by the module.\n   */\n  declarations?: o.Expression;\n  /**\n   * An expression evaluating to an array of expressions representing the imports of the module.\n   */\n  imports?: o.Expression;\n  /**\n   * An expression evaluating to an array of expressions representing the exports of the module.\n   */\n  exports?: o.Expression;\n  /**\n   * A literal array expression containing the schemas that declare elements to be allowed in the\n   * NgModule.\n   */\n  schemas?: o.LiteralArrayExpr;\n  /**\n   * An expression evaluating to the unique ID of an NgModule.\n   * */\n  id?: o.Expression;\n}\n\n/**\n * Construct an `R3NgModuleDef` for the given `R3NgModuleMetadata`.\n */\nexport function compileNgModule(meta: R3NgModuleMetadata): R3CompiledExpression {\n  const {\n    internalType,\n    bootstrap,\n    declarations,\n    imports,\n    exports,\n    schemas,\n    containsForwardDecls,\n    emitInline,\n    id\n  } = meta;\n\n  const statements: o.Statement[] = [];\n  const definitionMap = new DefinitionMap<R3NgModuleDefMap>();\n  definitionMap.set('type', internalType);\n\n  if (bootstrap.length > 0) {\n    definitionMap.set('bootstrap', refsToArray(bootstrap, containsForwardDecls));\n  }\n\n  // If requested to emit scope information inline, pass the `declarations`, `imports` and `exports`\n  // to the `ɵɵdefineNgModule()` call. The JIT compilation uses this.\n  if (emitInline) {\n    if (declarations.length > 0) {\n      definitionMap.set('declarations', refsToArray(declarations, containsForwardDecls));\n    }\n\n    if (imports.length > 0) {\n      definitionMap.set('imports', refsToArray(imports, containsForwardDecls));\n    }\n\n    if (exports.length > 0) {\n      definitionMap.set('exports', refsToArray(exports, containsForwardDecls));\n    }\n  }\n\n  // If not emitting inline, the scope information is not passed into `ɵɵdefineNgModule` as it would\n  // prevent tree-shaking of the declarations, imports and exports references.\n  else {\n    const setNgModuleScopeCall = generateSetNgModuleScopeCall(meta);\n    if (setNgModuleScopeCall !== null) {\n      statements.push(setNgModuleScopeCall);\n    }\n  }\n\n  if (schemas !== null && schemas.length > 0) {\n    definitionMap.set('schemas', o.literalArr(schemas.map(ref => ref.value)));\n  }\n\n  if (id !== null) {\n    definitionMap.set('id', id);\n  }\n\n  const expression =\n      o.importExpr(R3.defineNgModule).callFn([definitionMap.toLiteralMap()], undefined, true);\n  const type = createNgModuleType(meta);\n\n  return {expression, type, statements};\n}\n\n/**\n * This function is used in JIT mode to generate the call to `ɵɵdefineNgModule()` from a call to\n * `ɵɵngDeclareNgModule()`.\n */\nexport function compileNgModuleDeclarationExpression(meta: R3DeclareNgModuleFacade): o.Expression {\n  const definitionMap = new DefinitionMap<R3NgModuleDefMap>();\n  definitionMap.set('type', new o.WrappedNodeExpr(meta.type));\n  if (meta.bootstrap !== undefined) {\n    definitionMap.set('bootstrap', new o.WrappedNodeExpr(meta.bootstrap));\n  }\n  if (meta.declarations !== undefined) {\n    definitionMap.set('declarations', new o.WrappedNodeExpr(meta.declarations));\n  }\n  if (meta.imports !== undefined) {\n    definitionMap.set('imports', new o.WrappedNodeExpr(meta.imports));\n  }\n  if (meta.exports !== undefined) {\n    definitionMap.set('exports', new o.WrappedNodeExpr(meta.exports));\n  }\n  if (meta.schemas !== undefined) {\n    definitionMap.set('schemas', new o.WrappedNodeExpr(meta.schemas));\n  }\n  if (meta.id !== undefined) {\n    definitionMap.set('id', new o.WrappedNodeExpr(meta.id));\n  }\n  return o.importExpr(R3.defineNgModule).callFn([definitionMap.toLiteralMap()]);\n}\n\nexport function createNgModuleType(\n    {type: moduleType, declarations, imports, exports}: R3NgModuleMetadata): o.ExpressionType {\n  return new o.ExpressionType(o.importExpr(R3.NgModuleDeclaration, [\n    new o.ExpressionType(moduleType.type), tupleTypeOf(declarations), tupleTypeOf(imports),\n    tupleTypeOf(exports)\n  ]));\n}\n\n/**\n * Generates a function call to `ɵɵsetNgModuleScope` with all necessary information so that the\n * transitive module scope can be computed during runtime in JIT mode. This call is marked pure\n * such that the references to declarations, imports and exports may be elided causing these\n * symbols to become tree-shakeable.\n */\nfunction generateSetNgModuleScopeCall(meta: R3NgModuleMetadata): o.Statement|null {\n  const {adjacentType: moduleType, declarations, imports, exports, containsForwardDecls} = meta;\n\n  const scopeMap = new DefinitionMap<\n      {declarations: o.Expression, imports: o.Expression, exports: o.Expression}>();\n\n  if (declarations.length > 0) {\n    scopeMap.set('declarations', refsToArray(declarations, containsForwardDecls));\n  }\n\n  if (imports.length > 0) {\n    scopeMap.set('imports', refsToArray(imports, containsForwardDecls));\n  }\n\n  if (exports.length > 0) {\n    scopeMap.set('exports', refsToArray(exports, containsForwardDecls));\n  }\n\n  if (Object.keys(scopeMap.values).length === 0) {\n    return null;\n  }\n\n  // setNgModuleScope(...)\n  const fnCall = new o.InvokeFunctionExpr(\n      /* fn */ o.importExpr(R3.setNgModuleScope),\n      /* args */[moduleType, scopeMap.toLiteralMap()]);\n\n  // (ngJitMode guard) && setNgModuleScope(...)\n  const guardedCall = jitOnlyGuardedExpression(fnCall);\n\n  // function() { (ngJitMode guard) && setNgModuleScope(...); }\n  const iife = new o.FunctionExpr(\n      /* params */[],\n      /* statements */[guardedCall.toStmt()]);\n\n  // (function() { (ngJitMode guard) && setNgModuleScope(...); })()\n  const iifeCall = new o.InvokeFunctionExpr(\n      /* fn */ iife,\n      /* args */[]);\n\n  return iifeCall.toStmt();\n}\n\nfunction tupleTypeOf(exp: R3Reference[]): o.Type {\n  const types = exp.map(ref => o.typeofExpr(ref.type));\n  return exp.length > 0 ? o.expressionType(o.literalArr(types)) : o.NONE_TYPE;\n}\n"]}