devghost
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👻 Find dead code, dead imports, and dead dependencies before they haunt your project
96 lines • 3.63 kB
JavaScript
;
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.analyzeFileImports = analyzeFileImports;
exports.analyzeImports = analyzeImports;
const fs = __importStar(require("node:fs"));
const fs_1 = require("../utils/fs");
const tsparser_1 = require("../utils/tsparser");
/**
* Analyze a single file for unused imports
*/
async function analyzeFileImports(filePath) {
const unusedImports = [];
const sourceFile = (0, tsparser_1.parseFile)(filePath);
if (!sourceFile) {
return unusedImports;
}
const fileContent = fs.readFileSync(filePath, 'utf-8');
// Get all imports
sourceFile.forEachChild((node) => {
if (!require('typescript').isImportDeclaration(node)) {
return;
}
const importDecl = node;
// Skip side-effect imports (they're intentional)
if ((0, tsparser_1.isSideEffectImport)(importDecl)) {
return;
}
const identifiers = (0, tsparser_1.getImportedIdentifiers)(importDecl);
const moduleSpecifier = importDecl.moduleSpecifier.text;
for (const identifier of identifiers) {
// Get line number
const { line, column } = (0, tsparser_1.getLineAndColumn)(sourceFile, importDecl.getStart());
// Check for ignore comment
if ((0, fs_1.hasIgnoreComment)(fileContent, line)) {
continue;
}
// Check if the identifier is used anywhere in the file
if (!(0, tsparser_1.isIdentifierUsed)(sourceFile, identifier)) {
unusedImports.push({
file: filePath,
line,
column,
importName: identifier,
source: moduleSpecifier,
entireLine: (0, tsparser_1.getLineText)(sourceFile, line),
});
}
}
});
return unusedImports;
}
/**
* Analyze multiple files for unused imports
*/
async function analyzeImports(files) {
const allUnusedImports = [];
for (const file of files) {
const unused = await analyzeFileImports(file);
allUnusedImports.push(...unused);
}
return allUnusedImports;
}
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