mp-lens
Version:
微信小程序分析工具 (Unused Code, Dependencies, Visualization)
93 lines • 3.91 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);
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desc = { enumerable: true, get: function() { return m[k]; } };
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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;
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__setModuleDefault(result, mod);
return result;
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.isPureAmbientDeclarationFile = isPureAmbientDeclarationFile;
exports.isDeclarationFile = isDeclarationFile;
exports.findPureAmbientDeclarationFiles = findPureAmbientDeclarationFiles;
const fs = __importStar(require("fs"));
const debug_logger_1 = require("./debug-logger");
/**
* Checks if a .d.ts file is a pure ambient declaration file.
* Pure ambient declaration files add types to the global scope without using
* import/export statements, making them automatically available without explicit imports.
*
* @param filePath The absolute path to the .d.ts file
* @returns true if the file is a pure ambient declaration file, false otherwise
*/
function isPureAmbientDeclarationFile(filePath) {
if (!filePath.endsWith('.d.ts')) {
return false;
}
try {
const content = fs.readFileSync(filePath, 'utf-8');
// Check if it contains any imports or exports (module-style)
const hasModuleElements = /\b(import|export)\b/.test(content);
// If it has module elements, it needs to be imported
if (hasModuleElements) {
return false;
}
// Check if it has ambient declarations
const hasAmbientDeclarations = /\bdeclare\b/.test(content);
return hasAmbientDeclarations;
}
catch (err) {
// Handle error
debug_logger_1.logger.debug(`Error reading d.ts file ${filePath}: ${err.message}`);
return false;
}
}
/**
* Checks if a file is a TypeScript declaration file (.d.ts)
*/
function isDeclarationFile(filePath) {
return filePath.endsWith('.d.ts');
}
/**
* Finds all .d.ts files in a project that are pure ambient declaration files.
* These files should not be marked as unused even if they're not explicitly imported.
*
* @param projectRoot The absolute path to the project root
* @param allFiles An array of all files found in the project
* @returns An array of absolute paths to pure ambient declaration files
*/
function findPureAmbientDeclarationFiles(projectRoot, allFiles) {
const declarationFiles = allFiles.filter((file) => file.endsWith('.d.ts'));
const ambientDeclarationFiles = declarationFiles.filter(isPureAmbientDeclarationFile);
if (ambientDeclarationFiles.length > 0) {
debug_logger_1.logger.debug(`Found ${ambientDeclarationFiles.length} pure ambient declaration files that will be preserved`);
}
return ambientDeclarationFiles;
}
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