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refactor(@schematics/angular): remove unused TS AST utils

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This commit is contained in:
Alan Agius 2021-01-05 11:19:09 +01:00
parent 23113077d7
commit 08b263ca94
1 changed files with 0 additions and 44 deletions
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44
packages/schematics/angular/utility/ast-utils.ts
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@ -231,18 +231,6 @@ export function insertAfterLastOccurrence(nodes: ts.Node[],
return new InsertChange(file, lastItemPosition, toInsert);
}
export function getContentOfKeyLiteral(_source: ts.SourceFile, node: ts.Node): string | null {
if (node.kind == ts.SyntaxKind.Identifier) {
return (node as ts.Identifier).text;
} else if (node.kind == ts.SyntaxKind.StringLiteral) {
return (node as ts.StringLiteral).text;
} else {
return null;
}
}
function _angularImportsFromNode(node: ts.ImportDeclaration,
_sourceFile: ts.SourceFile): {[name: string]: string} {
const ms = node.moduleSpecifier;
@ -336,38 +324,6 @@ export function getDecoratorMetadata(source: ts.SourceFile, identifier: string,
.map(expr => expr.arguments[0] as ts.ObjectLiteralExpression);
}
function findClassDeclarationParent(node: ts.Node): ts.ClassDeclaration|undefined {
if (ts.isClassDeclaration(node)) {
return node;
}
return node.parent && findClassDeclarationParent(node.parent);
}
/**
* Given a source file with @NgModule class(es), find the name of the first @NgModule class.
*
* @param source source file containing one or more @NgModule
* @returns the name of the first @NgModule, or `undefined` if none is found
*/
export function getFirstNgModuleName(source: ts.SourceFile): string|undefined {
// First, find the @NgModule decorators.
const ngModulesMetadata = getDecoratorMetadata(source, 'NgModule', '@angular/core');
if (ngModulesMetadata.length === 0) {
return undefined;
}
// Then walk parent pointers up the AST, looking for the ClassDeclaration parent of the NgModule
// metadata.
const moduleClass = findClassDeclarationParent(ngModulesMetadata[0]);
if (!moduleClass || !moduleClass.name) {
return undefined;
}
// Get the class name of the module ClassDeclaration.
return moduleClass.name.text;
}
export function getMetadataField(
node: ts.ObjectLiteralExpression,
metadataField: string,