INNER CODE UNIT · TypeScript

addImportStatement

maciejtreder/ng-toolkit · schematics/_utils/index.ts:97

export function addImportStatement(tree: Tree, filePath: string, type: string, file: string): void {
    let source = getTsSourceFile(tree, filePath);
    const importChange = insertImport(source, filePath, type, file) as InsertChange;
    if (!(importChange instanceof NoopChange)) {
        const recorder = tree.beginUpdate(filePath);
        recorder.insertLeft(importChange.pos, importChange.toAdd);
        tree.commitUpdate(recorder);
    }
}

export function implementInterface(tree: Tree, filePath: string, interfaceName: string, fileName: string): void {
    let results: any = getFileContent(tree, filePath).match(new RegExp("(.*class)\\s*(.*?)\\s*(:?implements\\s*(.*)|){"));
    if (results) {
        const oldClassDeclaration = results[0];
        let interfaces = results[5] || '';

        if (interfaces.indexOf(interfaceName) == -1) {
            addImportStatement(tree, filePath, interfaceName, fileName);

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