UNPKG

module-link-unlink

Version:

Link and unlink a module with saving and restoring the previous install

86 lines 3.8 kB
"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); Object.defineProperty(exports, "default", { enumerable: true, get: function() { return unlinkModule; } }); var _fs = /*#__PURE__*/ _interop_require_default(require("fs")); var _linkunlink = require("link-unlink"); var _lock = require("lock"); var _path = /*#__PURE__*/ _interop_require_default(require("path")); var _queuecb = /*#__PURE__*/ _interop_require_default(require("queue-cb")); function _array_like_to_array(arr, len) { if (len == null || len > arr.length) len = arr.length; for(var i = 0, arr2 = new Array(len); i < len; i++)arr2[i] = arr[i]; return arr2; } function _array_without_holes(arr) { if (Array.isArray(arr)) return _array_like_to_array(arr); } function _interop_require_default(obj) { return obj && obj.__esModule ? obj : { default: obj }; } function _iterable_to_array(iter) { if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter); } function _non_iterable_spread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } function _to_consumable_array(arr) { return _array_without_holes(arr) || _iterable_to_array(arr) || _unsupported_iterable_to_array(arr) || _non_iterable_spread(); } function _unsupported_iterable_to_array(o, minLen) { if (!o) return; if (typeof o === "string") return _array_like_to_array(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(n); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _array_like_to_array(o, minLen); } var lock = (0, _lock.Lock)(); function unlinkBin(nodeModules, binName, callback) { var destBin = _path.default.join(nodeModules, '.bin', binName); _fs.default.stat(destBin, function(err) { if (!err) return (0, _linkunlink.unlink)(destBin, callback); console.log("bin not found: ".concat(destBin, ". Skipping")); callback(); }); } function worker(src, nodeModules, callback) { lock([ src, nodeModules ], function(release) { callback = release(callback); try { var pkg = JSON.parse(_fs.default.readFileSync(_path.default.join(src, 'package.json'), 'utf8')); var dest = _path.default.join.apply(null, [ nodeModules ].concat(_to_consumable_array(pkg.name.split('/')))); var queue = new _queuecb.default(1); queue.defer(_linkunlink.unlink.bind(null, dest)); if (typeof pkg.bin === 'string') queue.defer(unlinkBin.bind(null, nodeModules, pkg.name)); // single bins else for(var binName in pkg.bin)queue.defer(unlinkBin.bind(null, nodeModules, binName)); // object of bins queue.await(function(err) { err ? callback(err) : callback(null, dest); }); } catch (err) { return callback(err); } }); } function unlinkModule(src, nodeModules, callback) { if (typeof callback === 'function') return worker(src, nodeModules, callback); return new Promise(function(resolve, reject) { return worker(src, nodeModules, function(err, restore) { return err ? reject(err) : resolve(restore); }); }); } /* CJS INTEROP */ if (exports.__esModule && exports.default) { try { Object.defineProperty(exports.default, '__esModule', { value: true }); for (var key in exports) { exports.default[key] = exports[key]; } } catch (_) {}; module.exports = exports.default; }