File size: 7,139 Bytes
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function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
Object.defineProperty(exports, "__esModule", {
value: true
});
exports["default"] = patchRequire;
var path = _interopRequireWildcard(require("path"));
function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function _getRequireWildcardCache() { return cache; }; return cache; }
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || _typeof(obj) !== "object" && typeof obj !== "function") { return { "default": obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj["default"] = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
var isWin32 = process.platform === 'win32';
var correctPath = isWin32 ? require('./correctPath').correctPath : function (p) {
return p;
};
function stripBOM(content) {
if (content.charCodeAt(0) === 0xFEFF) {
content = content.slice(1);
}
return content;
}
function patchRequire(vol) {
var unixifyPaths = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
var Module = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : require('module');
if (isWin32 && unixifyPaths) {
var original = vol;
vol = {
readFileSync: function readFileSync(path, options) {
return original.readFileSync(correctPath(path), options);
},
realpathSync: function realpathSync(path) {
return original.realpathSync(correctPath(path));
},
statSync: function statSync(path) {
return original.statSync(correctPath(path));
}
};
}
function internalModuleReadFile(path) {
try {
return vol.readFileSync(path, 'utf8');
} catch (err) {}
}
function internalModuleStat(filename) {
try {
return vol.statSync(filename).isDirectory() ? 1 : 0;
} catch (err) {
return -2;
}
}
function stat(filename) {
filename = path._makeLong(filename);
var cache = stat.cache;
if (cache !== null) {
var _result = cache.get(filename);
if (_result !== undefined) return _result;
}
var result = internalModuleStat(filename);
if (cache !== null) cache.set(filename, result);
return result;
}
stat.cache = null;
var preserveSymlinks = false;
function toRealPath(requestPath) {
return vol.realpathSync(requestPath);
}
var packageMainCache = Object.create(null);
function readPackage(requestPath) {
var entry = packageMainCache[requestPath];
if (entry) return entry;
var jsonPath = path.resolve(requestPath, 'package.json');
var json = internalModuleReadFile(path._makeLong(jsonPath));
if (json === undefined) {
return false;
}
var pkg;
try {
pkg = packageMainCache[requestPath] = JSON.parse(json).main;
} catch (e) {
e.path = jsonPath;
e.message = 'Error parsing ' + jsonPath + ': ' + e.message;
throw e;
}
return pkg;
}
function tryFile(requestPath, isMain) {
var rc = stat(requestPath);
if (preserveSymlinks && !isMain) {
return rc === 0 && path.resolve(requestPath);
}
return rc === 0 && toRealPath(requestPath);
}
function tryExtensions(p, exts, isMain) {
for (var i = 0; i < exts.length; i++) {
var filename = tryFile(p + exts[i], isMain);
if (filename) {
return filename;
}
}
return false;
}
function tryPackage(requestPath, exts, isMain) {
var pkg = readPackage(requestPath);
if (!pkg) return false;
var filename = path.resolve(requestPath, pkg);
return tryFile(filename, isMain) || tryExtensions(filename, exts, isMain) || tryExtensions(path.resolve(filename, 'index'), exts, isMain);
}
Module._extensions['.js'] = function (module, filename) {
var content = vol.readFileSync(filename, 'utf8');
module._compile(stripBOM(content), filename);
};
Module._extensions['.json'] = function (module, filename) {
var content = vol.readFileSync(filename, 'utf8');
try {
module.exports = JSON.parse(stripBOM(content));
} catch (err) {
err.message = filename + ': ' + err.message;
throw err;
}
};
var warned = true;
Module._findPath = function (request, paths, isMain) {
if (path.isAbsolute(request)) {
paths = [''];
} else if (!paths || paths.length === 0) {
return false;
}
var cacheKey = request + '\x00' + (paths.length === 1 ? paths[0] : paths.join('\x00'));
var entry = Module._pathCache[cacheKey];
if (entry) return entry;
var exts;
var trailingSlash = request.length > 0 && request.charCodeAt(request.length - 1) === 47;
for (var i = 0; i < paths.length; i++) {
var curPath = paths[i];
if (curPath && stat(curPath) < 1) continue;
var basePath = correctPath(path.resolve(curPath, request));
var filename;
var rc = stat(basePath);
if (!trailingSlash) {
if (rc === 0) {
if (preserveSymlinks && !isMain) {
filename = path.resolve(basePath);
} else {
filename = toRealPath(basePath);
}
} else if (rc === 1) {
if (exts === undefined) exts = Object.keys(Module._extensions);
filename = tryPackage(basePath, exts, isMain);
}
if (!filename) {
if (exts === undefined) exts = Object.keys(Module._extensions);
filename = tryExtensions(basePath, exts, isMain);
}
}
if (!filename && rc === 1) {
if (exts === undefined) exts = Object.keys(Module._extensions);
filename = tryPackage(basePath, exts, isMain);
}
if (!filename && rc === 1) {
if (exts === undefined) exts = Object.keys(Module._extensions);
filename = tryExtensions(path.resolve(basePath, 'index'), exts, isMain);
}
if (filename) {
if (request === '.' && i > 0) {
if (!warned) {
warned = true;
process.emitWarning('warning: require(\'.\') resolved outside the package ' + 'directory. This functionality is deprecated and will be removed ' + 'soon.', 'DeprecationWarning', 'DEP0019');
}
}
Module._pathCache[cacheKey] = filename;
return filename;
}
}
return false;
};
} |