refakts
Version:
TypeScript refactoring tool built for AI coding agents to perform precise refactoring operations via command line instead of requiring complete code regeneration.
77 lines • 3.04 kB
JavaScript
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var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
var ownKeys = function(o) {
ownKeys = Object.getOwnPropertyNames || function (o) {
var ar = [];
for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
return ar;
};
return ownKeys(o);
};
return function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
__setModuleDefault(result, mod);
return result;
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.PositionFinder = void 0;
const ts = __importStar(require("typescript"));
class PositionFinder {
getDeclarationAtPosition(sourceFile, line, column) {
const position = this.calculatePosition(sourceFile, line, column);
const node = this.getNodeAtPosition(sourceFile, position, line, column);
return this.getDeclarationFromNode(node, line, column);
}
getNodeAtPosition(sourceFile, position, line, column) {
const node = sourceFile.getDescendantAtPos(position);
if (!node) {
throw new Error(`No node found at line ${line}, column ${column}`);
}
return node;
}
getDeclarationFromNode(node, line, column) {
const declarationNode = this.findContainingDeclaration(node);
if (!declarationNode) {
throw new Error(`No variable declaration found at line ${line}, column ${column}`);
}
return declarationNode;
}
calculatePosition(sourceFile, line, column) {
return sourceFile.compilerNode.getPositionOfLineAndCharacter(line - 1, column - 1);
}
findContainingDeclaration(node) {
let current = node;
while (current) {
if (this.isDeclaration(current)) {
return current;
}
current = current.getParent();
}
return undefined;
}
isDeclaration(node) {
return node.getKind() === ts.SyntaxKind.VariableDeclaration ||
node.getKind() === ts.SyntaxKind.Parameter;
}
}
exports.PositionFinder = PositionFinder;
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