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/**
* @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
*/
import * as ts from '../third_party/github.com/Microsoft/TypeScript/lib/typescript';
import { Change } from './change';
/**
* Add Import `import { symbolName } from fileName` if the import doesn't exit
* already. Assumes fileToEdit can be resolved and accessed.
* @param fileToEdit (file we want to add import to)
* @param symbolName (item to import)
* @param fileName (path to the file)
* @param isDefault (if true, import follows style for importing default exports)
* @return Change
*/
export declare function insertImport(source: ts.SourceFile, fileToEdit: string, symbolName: string, fileName: string, isDefault?: boolean): Change;
/**
* Find all nodes from the AST in the subtree of node of SyntaxKind kind.
* @param node
* @param kind
* @param max The maximum number of items to return.
* @param recursive Continue looking for nodes of kind recursive until end
* the last child even when node of kind has been found.
* @return all nodes of kind, or [] if none is found
*/
export declare function findNodes(node: ts.Node, kind: ts.SyntaxKind, max?: number, recursive?: boolean): ts.Node[];
/**
* Find all nodes from the AST in the subtree that satisfy a type guard.
* @param node
* @param guard
* @param max The maximum number of items to return.
* @param recursive Continue looking for nodes of kind recursive until end
* the last child even when node of kind has been found.
* @return all nodes that satisfy the type guard, or [] if none is found
*/
export declare function findNodes<T extends ts.Node>(node: ts.Node, guard: (node: ts.Node) => node is T, max?: number, recursive?: boolean): T[];
/**
* Get all the nodes from a source.
* @param sourceFile The source file object.
* @returns {Array<ts.Node>} An array of all the nodes in the source.
*/
export declare function getSourceNodes(sourceFile: ts.SourceFile): ts.Node[];
export declare function findNode(node: ts.Node, kind: ts.SyntaxKind, text: string): ts.Node | null;
/**
* Insert `toInsert` after the last occurence of `ts.SyntaxKind[nodes[i].kind]`
* or after the last of occurence of `syntaxKind` if the last occurence is a sub child
* of ts.SyntaxKind[nodes[i].kind] and save the changes in file.
*
* @param nodes insert after the last occurence of nodes
* @param toInsert string to insert
* @param file file to insert changes into
* @param fallbackPos position to insert if toInsert happens to be the first occurence
* @param syntaxKind the ts.SyntaxKind of the subchildren to insert after
* @return Change instance
* @throw Error if toInsert is first occurence but fall back is not set
*/
export declare function insertAfterLastOccurrence(nodes: ts.Node[], toInsert: string, file: string, fallbackPos: number, syntaxKind?: ts.SyntaxKind): Change;
export declare function getDecoratorMetadata(source: ts.SourceFile, identifier: string, module: string): ts.Node[];
export declare function getMetadataField(node: ts.ObjectLiteralExpression, metadataField: string): ts.ObjectLiteralElement[];
export declare function addSymbolToNgModuleMetadata(source: ts.SourceFile, ngModulePath: string, metadataField: string, symbolName: string, importPath?: string | null): Change[];
/**
* Custom function to insert a declaration (component, pipe, directive)
* into NgModule declarations. It also imports the component.
*/
export declare function addDeclarationToModule(source: ts.SourceFile, modulePath: string, classifiedName: string, importPath: string): Change[];
/**
* Custom function to insert an NgModule into NgModule imports. It also imports the module.
*/
export declare function addImportToModule(source: ts.SourceFile, modulePath: string, classifiedName: string, importPath: string): Change[];
/**
* Custom function to insert a provider into NgModule. It also imports it.
*/
export declare function addProviderToModule(source: ts.SourceFile, modulePath: string, classifiedName: string, importPath: string): Change[];
/**
* Custom function to insert an export into NgModule. It also imports it.
*/
export declare function addExportToModule(source: ts.SourceFile, modulePath: string, classifiedName: string, importPath: string): Change[];
/**
* Custom function to insert an export into NgModule. It also imports it.
*/
export declare function addBootstrapToModule(source: ts.SourceFile, modulePath: string, classifiedName: string, importPath: string): Change[];
/**
* Determine if an import already exists.
*/
export declare function isImported(source: ts.SourceFile, classifiedName: string, importPath: string): boolean;
/**
* This function returns the name of the environment export
* whether this export is aliased or not. If the environment file
* is not imported, then it will return `null`.
*/
export declare function getEnvironmentExportName(source: ts.SourceFile): string | null;
/**
* Returns the RouterModule declaration from NgModule metadata, if any.
*/
export declare function getRouterModuleDeclaration(source: ts.SourceFile): ts.Expression | undefined;
/**
* Adds a new route declaration to a router module (i.e. has a RouterModule declaration)
*/
export declare function addRouteDeclarationToModule(source: ts.SourceFile, fileToAdd: string, routeLiteral: string): Change;
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