diff options
Diffstat (limited to 'node_modules/@babel/traverse/lib/index.js')
| -rw-r--r-- | node_modules/@babel/traverse/lib/index.js | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/node_modules/@babel/traverse/lib/index.js b/node_modules/@babel/traverse/lib/index.js new file mode 100644 index 00000000..d140f19f --- /dev/null +++ b/node_modules/@babel/traverse/lib/index.js @@ -0,0 +1,142 @@ +"use strict"; + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.default = traverse; +Object.defineProperty(exports, "NodePath", { + enumerable: true, + get: function get() { + return _path.default; + } +}); +Object.defineProperty(exports, "Scope", { + enumerable: true, + get: function get() { + return _scope.default; + } +}); +Object.defineProperty(exports, "Hub", { + enumerable: true, + get: function get() { + return _hub.default; + } +}); +exports.visitors = void 0; + +var _context = _interopRequireDefault(require("./context")); + +var visitors = _interopRequireWildcard(require("./visitors")); + +exports.visitors = visitors; + +function _includes() { + const data = _interopRequireDefault(require("lodash/includes")); + + _includes = function _includes() { + return data; + }; + + return data; +} + +function t() { + const data = _interopRequireWildcard(require("@babel/types")); + + t = function t() { + return data; + }; + + return data; +} + +var cache = _interopRequireWildcard(require("./cache")); + +var _path = _interopRequireDefault(require("./path")); + +var _scope = _interopRequireDefault(require("./scope")); + +var _hub = _interopRequireDefault(require("./hub")); + +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)) { var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {}; if (desc.get || desc.set) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } } newObj.default = obj; return newObj; } } + +function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } + +function traverse(parent, opts, scope, state, parentPath) { + if (!parent) return; + if (!opts) opts = {}; + + if (!opts.noScope && !scope) { + if (parent.type !== "Program" && parent.type !== "File") { + throw new Error("You must pass a scope and parentPath unless traversing a Program/File. " + `Instead of that you tried to traverse a ${parent.type} node without ` + "passing scope and parentPath."); + } + } + + visitors.explode(opts); + traverse.node(parent, opts, scope, state, parentPath); +} + +traverse.visitors = visitors; +traverse.verify = visitors.verify; +traverse.explode = visitors.explode; + +traverse.cheap = function (node, enter) { + return t().traverseFast(node, enter); +}; + +traverse.node = function (node, opts, scope, state, parentPath, skipKeys) { + const keys = t().VISITOR_KEYS[node.type]; + if (!keys) return; + const context = new _context.default(scope, opts, state, parentPath); + + for (var _iterator = keys, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { + var _ref; + + if (_isArray) { + if (_i >= _iterator.length) break; + _ref = _iterator[_i++]; + } else { + _i = _iterator.next(); + if (_i.done) break; + _ref = _i.value; + } + + const key = _ref; + if (skipKeys && skipKeys[key]) continue; + if (context.visit(node, key)) return; + } +}; + +traverse.clearNode = function (node, opts) { + t().removeProperties(node, opts); + cache.path.delete(node); +}; + +traverse.removeProperties = function (tree, opts) { + t().traverseFast(tree, traverse.clearNode, opts); + return tree; +}; + +function hasBlacklistedType(path, state) { + if (path.node.type === state.type) { + state.has = true; + path.stop(); + } +} + +traverse.hasType = function (tree, type, blacklistTypes) { + if ((0, _includes().default)(blacklistTypes, tree.type)) return false; + if (tree.type === type) return true; + const state = { + has: false, + type: type + }; + traverse(tree, { + noScope: true, + blacklist: blacklistTypes, + enter: hasBlacklistedType + }, null, state); + return state.has; +}; + +traverse.cache = cache;
\ No newline at end of file |
