securityos/node_modules/fs-monkey/lib/patchFs.js

119 lines
3.5 KiB
JavaScript

'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = patchFs;
var _lists = require('./util/lists');
function patchFs(vol) {
var fs = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : require('fs');
var bkp = {};
var patch = function patch(key, newValue) {
bkp[key] = fs[key];
fs[key] = newValue;
};
var patchMethod = function patchMethod(key) {
return patch(key, vol[key].bind(vol));
};
var _iteratorNormalCompletion = true;
var _didIteratorError = false;
var _iteratorError = undefined;
try {
for (var _iterator = _lists.fsProps[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
var prop = _step.value;
if (typeof vol[prop] !== 'undefined') patch(prop, vol[prop]);
}
} catch (err) {
_didIteratorError = true;
_iteratorError = err;
} finally {
try {
if (!_iteratorNormalCompletion && _iterator.return) {
_iterator.return();
}
} finally {
if (_didIteratorError) {
throw _iteratorError;
}
}
}
if (typeof vol.StatWatcher === 'function') {
patch('StatWatcher', vol.FSWatcher.bind(null, vol));
}
if (typeof vol.FSWatcher === 'function') {
patch('FSWatcher', vol.StatWatcher.bind(null, vol));
}
if (typeof vol.ReadStream === 'function') {
patch('ReadStream', vol.ReadStream.bind(null, vol));
}
if (typeof vol.WriteStream === 'function') {
patch('WriteStream', vol.WriteStream.bind(null, vol));
}
if (typeof vol._toUnixTimestamp === 'function') patchMethod('_toUnixTimestamp');
var _iteratorNormalCompletion2 = true;
var _didIteratorError2 = false;
var _iteratorError2 = undefined;
try {
for (var _iterator2 = _lists.fsAsyncMethods[Symbol.iterator](), _step2; !(_iteratorNormalCompletion2 = (_step2 = _iterator2.next()).done); _iteratorNormalCompletion2 = true) {
var method = _step2.value;
if (typeof vol[method] === 'function') patchMethod(method);
}
} catch (err) {
_didIteratorError2 = true;
_iteratorError2 = err;
} finally {
try {
if (!_iteratorNormalCompletion2 && _iterator2.return) {
_iterator2.return();
}
} finally {
if (_didIteratorError2) {
throw _iteratorError2;
}
}
}
var _iteratorNormalCompletion3 = true;
var _didIteratorError3 = false;
var _iteratorError3 = undefined;
try {
for (var _iterator3 = _lists.fsSyncMethods[Symbol.iterator](), _step3; !(_iteratorNormalCompletion3 = (_step3 = _iterator3.next()).done); _iteratorNormalCompletion3 = true) {
var _method = _step3.value;
if (typeof vol[_method] === 'function') patchMethod(_method);
}
} catch (err) {
_didIteratorError3 = true;
_iteratorError3 = err;
} finally {
try {
if (!_iteratorNormalCompletion3 && _iterator3.return) {
_iterator3.return();
}
} finally {
if (_didIteratorError3) {
throw _iteratorError3;
}
}
}
return function unpatch() {
for (var key in bkp) {
fs[key] = bkp[key];
}
};
};