--- /dev/null
+'use strict';
+
+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; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var _require = require('buffer'),
+ Buffer = _require.Buffer;
+
+var _require2 = require('util'),
+ inspect = _require2.inspect;
+
+var custom = inspect && inspect.custom || 'inspect';
+
+function copyBuffer(src, target, offset) {
+ Buffer.prototype.copy.call(src, target, offset);
+}
+
+module.exports =
+/*#__PURE__*/
+function () {
+ function BufferList() {
+ _classCallCheck(this, BufferList);
+
+ this.head = null;
+ this.tail = null;
+ this.length = 0;
+ }
+
+ _createClass(BufferList, [{
+ key: "push",
+ value: function push(v) {
+ var entry = {
+ data: v,
+ next: null
+ };
+ if (this.length > 0) this.tail.next = entry;else this.head = entry;
+ this.tail = entry;
+ ++this.length;
+ }
+ }, {
+ key: "unshift",
+ value: function unshift(v) {
+ var entry = {
+ data: v,
+ next: this.head
+ };
+ if (this.length === 0) this.tail = entry;
+ this.head = entry;
+ ++this.length;
+ }
+ }, {
+ key: "shift",
+ value: function shift() {
+ if (this.length === 0) return;
+ var ret = this.head.data;
+ if (this.length === 1) this.head = this.tail = null;else this.head = this.head.next;
+ --this.length;
+ return ret;
+ }
+ }, {
+ key: "clear",
+ value: function clear() {
+ this.head = this.tail = null;
+ this.length = 0;
+ }
+ }, {
+ key: "join",
+ value: function join(s) {
+ if (this.length === 0) return '';
+ var p = this.head;
+ var ret = '' + p.data;
+
+ while (p = p.next) {
+ ret += s + p.data;
+ }
+
+ return ret;
+ }
+ }, {
+ key: "concat",
+ value: function concat(n) {
+ if (this.length === 0) return Buffer.alloc(0);
+ var ret = Buffer.allocUnsafe(n >>> 0);
+ var p = this.head;
+ var i = 0;
+
+ while (p) {
+ copyBuffer(p.data, ret, i);
+ i += p.data.length;
+ p = p.next;
+ }
+
+ return ret;
+ } // Consumes a specified amount of bytes or characters from the buffered data.
+
+ }, {
+ key: "consume",
+ value: function consume(n, hasStrings) {
+ var ret;
+
+ if (n < this.head.data.length) {
+ // `slice` is the same for buffers and strings.
+ ret = this.head.data.slice(0, n);
+ this.head.data = this.head.data.slice(n);
+ } else if (n === this.head.data.length) {
+ // First chunk is a perfect match.
+ ret = this.shift();
+ } else {
+ // Result spans more than one buffer.
+ ret = hasStrings ? this._getString(n) : this._getBuffer(n);
+ }
+
+ return ret;
+ }
+ }, {
+ key: "first",
+ value: function first() {
+ return this.head.data;
+ } // Consumes a specified amount of characters from the buffered data.
+
+ }, {
+ key: "_getString",
+ value: function _getString(n) {
+ var p = this.head;
+ var c = 1;
+ var ret = p.data;
+ n -= ret.length;
+
+ while (p = p.next) {
+ var str = p.data;
+ var nb = n > str.length ? str.length : n;
+ if (nb === str.length) ret += str;else ret += str.slice(0, n);
+ n -= nb;
+
+ if (n === 0) {
+ if (nb === str.length) {
+ ++c;
+ if (p.next) this.head = p.next;else this.head = this.tail = null;
+ } else {
+ this.head = p;
+ p.data = str.slice(nb);
+ }
+
+ break;
+ }
+
+ ++c;
+ }
+
+ this.length -= c;
+ return ret;
+ } // Consumes a specified amount of bytes from the buffered data.
+
+ }, {
+ key: "_getBuffer",
+ value: function _getBuffer(n) {
+ var ret = Buffer.allocUnsafe(n);
+ var p = this.head;
+ var c = 1;
+ p.data.copy(ret);
+ n -= p.data.length;
+
+ while (p = p.next) {
+ var buf = p.data;
+ var nb = n > buf.length ? buf.length : n;
+ buf.copy(ret, ret.length - n, 0, nb);
+ n -= nb;
+
+ if (n === 0) {
+ if (nb === buf.length) {
+ ++c;
+ if (p.next) this.head = p.next;else this.head = this.tail = null;
+ } else {
+ this.head = p;
+ p.data = buf.slice(nb);
+ }
+
+ break;
+ }
+
+ ++c;
+ }
+
+ this.length -= c;
+ return ret;
+ } // Make sure the linked list only shows the minimal necessary information.
+
+ }, {
+ key: custom,
+ value: function value(_, options) {
+ return inspect(this, _objectSpread({}, options, {
+ // Only inspect one level.
+ depth: 0,
+ // It should not recurse.
+ customInspect: false
+ }));
+ }
+ }]);
+
+ return BufferList;
+}();
\ No newline at end of file
projects / dotfiles / .git / blobdiff