@angular/cdk
Version:
Angular Material Component Development Kit
38 lines • 5.41 kB
JavaScript
;
/**
* @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
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.getCallDecoratorImport = exports.getAngularDecorators = void 0;
const ts = require("typescript");
const imports_1 = require("./imports");
/**
* Gets all decorators which are imported from an Angular package
* (e.g. "@angular/core") from a list of decorators.
*/
function getAngularDecorators(typeChecker, decorators) {
return decorators.map(node => ({ node, importData: getCallDecoratorImport(typeChecker, node) }))
.filter(({ importData }) => importData && importData.moduleName.startsWith('@angular/'))
.map(({ node, importData }) => ({ node: node, name: importData.symbolName }));
}
exports.getAngularDecorators = getAngularDecorators;
function getCallDecoratorImport(typeChecker, decorator) {
if (!ts.isCallExpression(decorator.expression)) {
return null;
}
const valueExpr = decorator.expression.expression;
let identifier = null;
if (ts.isIdentifier(valueExpr)) {
identifier = valueExpr;
}
else if (ts.isPropertyAccessExpression(valueExpr) && ts.isIdentifier(valueExpr.name)) {
identifier = valueExpr.name;
}
return identifier ? imports_1.getImportOfIdentifier(identifier, typeChecker) : null;
}
exports.getCallDecoratorImport = getCallDecoratorImport;
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