refakts/dist/variable-declaration-finder.js

TypeScript refactoring tool built for AI coding agents to perform precise refactoring operations via command line instead of requiring complete code regeneration.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.VariableDeclarationFinder = void 0;
const ts_morph_1 = require("ts-morph");
class VariableDeclarationFinder {
    findVariableDeclaration(sourceFile, variableName) {
        const declaration = this.searchForDeclaration(sourceFile, variableName);
        if (!declaration) {
            throw new Error(`Variable declaration for '${variableName}' not found`);
        }
        return declaration;
    }
    searchForDeclaration(sourceFile, variableName) {
        const variableDeclarations = sourceFile.getDescendantsOfKind(ts_morph_1.SyntaxKind.VariableDeclaration);
        for (const decl of variableDeclarations) {
            if (this.matchesVariableName(decl, variableName)) {
                return decl;
            }
        }
        return undefined;
    }
    matchesVariableName(declaration, variableName) {
        if (declaration.getName() === variableName) {
            return true;
        }
        return this.matchesDestructuredVariable(declaration, variableName);
    }
    matchesDestructuredVariable(declaration, variableName) {
        const nameNode = declaration.getNameNode();
        if (!ts_morph_1.Node.isObjectBindingPattern(nameNode)) {
            return false;
        }
        return this.hasMatchingElement(nameNode, variableName);
    }
    hasMatchingElement(nameNode, variableName) {
        const bindingPattern = nameNode.asKindOrThrow(ts_morph_1.SyntaxKind.ObjectBindingPattern);
        for (const element of bindingPattern.getElements()) {
            if (element.getName() === variableName) {
                return true;
            }
        }
        return false;
    }
}
exports.VariableDeclarationFinder = VariableDeclarationFinder;
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