@angular/core
Version:
Angular - the core framework
44 lines • 4.89 kB
JavaScript
/**
* @license
* Copyright Google Inc. 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/core/schematics/migrations/injectable-pipe/util", ["require", "exports", "typescript"], factory);
}
})(function (require, exports) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const ts = require("typescript");
/** Name of the Injectable decorator. */
exports.INJECTABLE_DECORATOR_NAME = 'Injectable';
/**
* Adds an import to a named import node, if the import does not exist already.
* @param node Node to which to add the import.
* @param importName Name of the import that should be added.
*/
function addImport(node, importName) {
const elements = node.elements;
const isAlreadyImported = elements.some(element => element.name.text === importName);
if (!isAlreadyImported) {
return ts.updateNamedImports(node, [...elements, ts.createImportSpecifier(undefined, ts.createIdentifier(importName))]);
}
return node;
}
exports.addImport = addImport;
/** Gets the named imports node from an import declaration. */
function getNamedImports(node) {
const importClause = node.importClause;
const namedImports = importClause && importClause.namedBindings;
return (namedImports && ts.isNamedImports(namedImports)) ? namedImports : null;
}
exports.getNamedImports = getNamedImports;
});
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