diff options
Diffstat (limited to 'deps/npm/node_modules/node-gyp/node_modules/readable-stream/lib/internal/streams/from.js')
-rw-r--r-- | deps/npm/node_modules/node-gyp/node_modules/readable-stream/lib/internal/streams/from.js | 42 |
1 files changed, 15 insertions, 27 deletions
diff --git a/deps/npm/node_modules/node-gyp/node_modules/readable-stream/lib/internal/streams/from.js b/deps/npm/node_modules/node-gyp/node_modules/readable-stream/lib/internal/streams/from.js index 6c41284416..4ca2cd1996 100644 --- a/deps/npm/node_modules/node-gyp/node_modules/readable-stream/lib/internal/streams/from.js +++ b/deps/npm/node_modules/node-gyp/node_modules/readable-stream/lib/internal/streams/from.js @@ -1,52 +1,42 @@ 'use strict'; function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } } - function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; } - -function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; } - -function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; } - -function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; } - -var ERR_INVALID_ARG_TYPE = require('../../../errors').codes.ERR_INVALID_ARG_TYPE; - +function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); enumerableOnly && (symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; })), keys.push.apply(keys, symbols); } return keys; } +function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = null != arguments[i] ? arguments[i] : {}; i % 2 ? ownKeys(Object(source), !0).forEach(function (key) { _defineProperty(target, key, source[key]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)) : ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } return target; } +function _defineProperty(obj, key, value) { key = _toPropertyKey(key); if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; } +function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return typeof key === "symbol" ? key : String(key); } +function _toPrimitive(input, hint) { if (typeof input !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (typeof res !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); } +const ERR_INVALID_ARG_TYPE = require('../../../errors').codes.ERR_INVALID_ARG_TYPE; function from(Readable, iterable, opts) { - var iterator; - + let iterator; if (iterable && typeof iterable.next === 'function') { iterator = iterable; } else if (iterable && iterable[Symbol.asyncIterator]) iterator = iterable[Symbol.asyncIterator]();else if (iterable && iterable[Symbol.iterator]) iterator = iterable[Symbol.iterator]();else throw new ERR_INVALID_ARG_TYPE('iterable', ['Iterable'], iterable); - - var readable = new Readable(_objectSpread({ + const readable = new Readable(_objectSpread({ objectMode: true - }, opts)); // Reading boolean to protect against _read + }, opts)); + // Reading boolean to protect against _read // being called before last iteration completion. - - var reading = false; - + let reading = false; readable._read = function () { if (!reading) { reading = true; next(); } }; - function next() { return _next2.apply(this, arguments); } - function _next2() { _next2 = _asyncToGenerator(function* () { try { - var _ref = yield iterator.next(), - value = _ref.value, - done = _ref.done; - + const _yield$iterator$next = yield iterator.next(), + value = _yield$iterator$next.value, + done = _yield$iterator$next.done; if (done) { readable.push(null); - } else if (readable.push((yield value))) { + } else if (readable.push(yield value)) { next(); } else { reading = false; @@ -57,8 +47,6 @@ function from(Readable, iterable, opts) { }); return _next2.apply(this, arguments); } - return readable; } - module.exports = from;
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