findDeclarationName

tcmts.cli.mirror.findDeclarationName · #5xo3jk6f · term · runs anywhere

import {
  isClassDeclaration as ts_isClassDeclaration, isFunctionDeclaration as ts_isFunctionDeclaration,
  isIdentifier as ts_isIdentifier, isInterfaceDeclaration as ts_isInterfaceDeclaration,
  isTypeAliasDeclaration as ts_isTypeAliasDeclaration, isVariableStatement as ts_isVariableStatement,
} from "typescript/ast";
import type { Identifier as ts_Identifier, SourceFile as ts_SourceFile } from "typescript/ast";

export function findDeclarationName(sf: ts_SourceFile, name: string): ts_Identifier | undefined {
  for (const st of sf.statements) {
    if ((ts_isFunctionDeclaration(st) || ts_isClassDeclaration(st) || ts_isInterfaceDeclaration(st) || ts_isTypeAliasDeclaration(st)) && st.name?.text === name) return st.name;
    if (ts_isVariableStatement(st)) for (const d of st.declarationList.declarations) if (ts_isIdentifier(d.name) && d.name.text === name) return d.name;
  }
  return undefined;
}

used by

• tcmts.cli.mirror.renameEverywhere