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Diffstat (limited to 'node_modules/babel-traverse/lib/context.js')
| -rw-r--r-- | node_modules/babel-traverse/lib/context.js | 200 |
1 files changed, 0 insertions, 200 deletions
diff --git a/node_modules/babel-traverse/lib/context.js b/node_modules/babel-traverse/lib/context.js deleted file mode 100644 index 3b9ded8..0000000 --- a/node_modules/babel-traverse/lib/context.js +++ /dev/null @@ -1,200 +0,0 @@ -"use strict"; - -exports.__esModule = true; - -var _getIterator2 = require("babel-runtime/core-js/get-iterator"); - -var _getIterator3 = _interopRequireDefault(_getIterator2); - -var _classCallCheck2 = require("babel-runtime/helpers/classCallCheck"); - -var _classCallCheck3 = _interopRequireDefault(_classCallCheck2); - -var _path2 = require("./path"); - -var _path3 = _interopRequireDefault(_path2); - -var _babelTypes = require("babel-types"); - -var t = _interopRequireWildcard(_babelTypes); - -function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } } - -function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } - -var testing = process.env.NODE_ENV === "test"; - -var TraversalContext = function () { - function TraversalContext(scope, opts, state, parentPath) { - (0, _classCallCheck3.default)(this, TraversalContext); - this.queue = null; - - this.parentPath = parentPath; - this.scope = scope; - this.state = state; - this.opts = opts; - } - - TraversalContext.prototype.shouldVisit = function shouldVisit(node) { - var opts = this.opts; - if (opts.enter || opts.exit) return true; - - if (opts[node.type]) return true; - - var keys = t.VISITOR_KEYS[node.type]; - if (!keys || !keys.length) return false; - - for (var _iterator = keys, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : (0, _getIterator3.default)(_iterator);;) { - var _ref; - - if (_isArray) { - if (_i >= _iterator.length) break; - _ref = _iterator[_i++]; - } else { - _i = _iterator.next(); - if (_i.done) break; - _ref = _i.value; - } - - var key = _ref; - - if (node[key]) return true; - } - - return false; - }; - - TraversalContext.prototype.create = function create(node, obj, key, listKey) { - return _path3.default.get({ - parentPath: this.parentPath, - parent: node, - container: obj, - key: key, - listKey: listKey - }); - }; - - TraversalContext.prototype.maybeQueue = function maybeQueue(path, notPriority) { - if (this.trap) { - throw new Error("Infinite cycle detected"); - } - - if (this.queue) { - if (notPriority) { - this.queue.push(path); - } else { - this.priorityQueue.push(path); - } - } - }; - - TraversalContext.prototype.visitMultiple = function visitMultiple(container, parent, listKey) { - if (container.length === 0) return false; - - var queue = []; - - for (var key = 0; key < container.length; key++) { - var node = container[key]; - if (node && this.shouldVisit(node)) { - queue.push(this.create(parent, container, key, listKey)); - } - } - - return this.visitQueue(queue); - }; - - TraversalContext.prototype.visitSingle = function visitSingle(node, key) { - if (this.shouldVisit(node[key])) { - return this.visitQueue([this.create(node, node, key)]); - } else { - return false; - } - }; - - TraversalContext.prototype.visitQueue = function visitQueue(queue) { - this.queue = queue; - this.priorityQueue = []; - - var visited = []; - var stop = false; - - for (var _iterator2 = queue, _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : (0, _getIterator3.default)(_iterator2);;) { - var _ref2; - - if (_isArray2) { - if (_i2 >= _iterator2.length) break; - _ref2 = _iterator2[_i2++]; - } else { - _i2 = _iterator2.next(); - if (_i2.done) break; - _ref2 = _i2.value; - } - - var path = _ref2; - - path.resync(); - - if (path.contexts.length === 0 || path.contexts[path.contexts.length - 1] !== this) { - path.pushContext(this); - } - - if (path.key === null) continue; - - if (testing && queue.length >= 10000) { - this.trap = true; - } - - if (visited.indexOf(path.node) >= 0) continue; - visited.push(path.node); - - if (path.visit()) { - stop = true; - break; - } - - if (this.priorityQueue.length) { - stop = this.visitQueue(this.priorityQueue); - this.priorityQueue = []; - this.queue = queue; - if (stop) break; - } - } - - for (var _iterator3 = queue, _isArray3 = Array.isArray(_iterator3), _i3 = 0, _iterator3 = _isArray3 ? _iterator3 : (0, _getIterator3.default)(_iterator3);;) { - var _ref3; - - if (_isArray3) { - if (_i3 >= _iterator3.length) break; - _ref3 = _iterator3[_i3++]; - } else { - _i3 = _iterator3.next(); - if (_i3.done) break; - _ref3 = _i3.value; - } - - var _path = _ref3; - - _path.popContext(); - } - - this.queue = null; - - return stop; - }; - - TraversalContext.prototype.visit = function visit(node, key) { - var nodes = node[key]; - if (!nodes) return false; - - if (Array.isArray(nodes)) { - return this.visitMultiple(nodes, node, key); - } else { - return this.visitSingle(node, key); - } - }; - - return TraversalContext; -}(); - -exports.default = TraversalContext; -module.exports = exports["default"];
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