| "use strict"; |
| |
| Object.defineProperty(exports, "__esModule", { |
| value: true |
| }); |
| exports.default = exports.SHOULD_STOP = exports.SHOULD_SKIP = exports.REMOVED = void 0; |
| |
| var virtualTypes = require("./lib/virtual-types"); |
| |
| var _debug = require("debug"); |
| |
| var _index = require("../index"); |
| |
| var _scope = require("../scope"); |
| |
| var _t = require("@babel/types"); |
| |
| var t = _t; |
| |
| var _cache = require("../cache"); |
| |
| var _generator = require("@babel/generator"); |
| |
| var NodePath_ancestry = require("./ancestry"); |
| |
| var NodePath_inference = require("./inference"); |
| |
| var NodePath_replacement = require("./replacement"); |
| |
| var NodePath_evaluation = require("./evaluation"); |
| |
| var NodePath_conversion = require("./conversion"); |
| |
| var NodePath_introspection = require("./introspection"); |
| |
| var NodePath_context = require("./context"); |
| |
| var NodePath_removal = require("./removal"); |
| |
| var NodePath_modification = require("./modification"); |
| |
| var NodePath_family = require("./family"); |
| |
| var NodePath_comments = require("./comments"); |
| |
| const { |
| validate |
| } = _t; |
| |
| const debug = _debug("babel"); |
| |
| const REMOVED = 1 << 0; |
| exports.REMOVED = REMOVED; |
| const SHOULD_STOP = 1 << 1; |
| exports.SHOULD_STOP = SHOULD_STOP; |
| const SHOULD_SKIP = 1 << 2; |
| exports.SHOULD_SKIP = SHOULD_SKIP; |
| |
| class NodePath { |
| constructor(hub, parent) { |
| this.contexts = []; |
| this.state = null; |
| this.opts = null; |
| this._traverseFlags = 0; |
| this.skipKeys = null; |
| this.parentPath = null; |
| this.container = null; |
| this.listKey = null; |
| this.key = null; |
| this.node = null; |
| this.type = null; |
| this.parent = parent; |
| this.hub = hub; |
| this.data = null; |
| this.context = null; |
| this.scope = null; |
| } |
| |
| static get({ |
| hub, |
| parentPath, |
| parent, |
| container, |
| listKey, |
| key |
| }) { |
| if (!hub && parentPath) { |
| hub = parentPath.hub; |
| } |
| |
| if (!parent) { |
| throw new Error("To get a node path the parent needs to exist"); |
| } |
| |
| const targetNode = container[key]; |
| |
| let paths = _cache.path.get(parent); |
| |
| if (!paths) { |
| paths = new Map(); |
| |
| _cache.path.set(parent, paths); |
| } |
| |
| let path = paths.get(targetNode); |
| |
| if (!path) { |
| path = new NodePath(hub, parent); |
| if (targetNode) paths.set(targetNode, path); |
| } |
| |
| path.setup(parentPath, container, listKey, key); |
| return path; |
| } |
| |
| getScope(scope) { |
| return this.isScope() ? new _scope.default(this) : scope; |
| } |
| |
| setData(key, val) { |
| if (this.data == null) { |
| this.data = Object.create(null); |
| } |
| |
| return this.data[key] = val; |
| } |
| |
| getData(key, def) { |
| if (this.data == null) { |
| this.data = Object.create(null); |
| } |
| |
| let val = this.data[key]; |
| if (val === undefined && def !== undefined) val = this.data[key] = def; |
| return val; |
| } |
| |
| buildCodeFrameError(msg, Error = SyntaxError) { |
| return this.hub.buildError(this.node, msg, Error); |
| } |
| |
| traverse(visitor, state) { |
| (0, _index.default)(this.node, visitor, this.scope, state, this); |
| } |
| |
| set(key, node) { |
| validate(this.node, key, node); |
| this.node[key] = node; |
| } |
| |
| getPathLocation() { |
| const parts = []; |
| let path = this; |
| |
| do { |
| let key = path.key; |
| if (path.inList) key = `${path.listKey}[${key}]`; |
| parts.unshift(key); |
| } while (path = path.parentPath); |
| |
| return parts.join("."); |
| } |
| |
| debug(message) { |
| if (!debug.enabled) return; |
| debug(`${this.getPathLocation()} ${this.type}: ${message}`); |
| } |
| |
| toString() { |
| return (0, _generator.default)(this.node).code; |
| } |
| |
| get inList() { |
| return !!this.listKey; |
| } |
| |
| set inList(inList) { |
| if (!inList) { |
| this.listKey = null; |
| } |
| } |
| |
| get parentKey() { |
| return this.listKey || this.key; |
| } |
| |
| get shouldSkip() { |
| return !!(this._traverseFlags & SHOULD_SKIP); |
| } |
| |
| set shouldSkip(v) { |
| if (v) { |
| this._traverseFlags |= SHOULD_SKIP; |
| } else { |
| this._traverseFlags &= ~SHOULD_SKIP; |
| } |
| } |
| |
| get shouldStop() { |
| return !!(this._traverseFlags & SHOULD_STOP); |
| } |
| |
| set shouldStop(v) { |
| if (v) { |
| this._traverseFlags |= SHOULD_STOP; |
| } else { |
| this._traverseFlags &= ~SHOULD_STOP; |
| } |
| } |
| |
| get removed() { |
| return !!(this._traverseFlags & REMOVED); |
| } |
| |
| set removed(v) { |
| if (v) { |
| this._traverseFlags |= REMOVED; |
| } else { |
| this._traverseFlags &= ~REMOVED; |
| } |
| } |
| |
| } |
| |
| Object.assign(NodePath.prototype, NodePath_ancestry, NodePath_inference, NodePath_replacement, NodePath_evaluation, NodePath_conversion, NodePath_introspection, NodePath_context, NodePath_removal, NodePath_modification, NodePath_family, NodePath_comments); |
| |
| for (const type of t.TYPES) { |
| const typeKey = `is${type}`; |
| const fn = t[typeKey]; |
| |
| NodePath.prototype[typeKey] = function (opts) { |
| return fn(this.node, opts); |
| }; |
| |
| NodePath.prototype[`assert${type}`] = function (opts) { |
| if (!fn(this.node, opts)) { |
| throw new TypeError(`Expected node path of type ${type}`); |
| } |
| }; |
| } |
| |
| for (const type of Object.keys(virtualTypes)) { |
| if (type[0] === "_") continue; |
| if (t.TYPES.indexOf(type) < 0) t.TYPES.push(type); |
| const virtualType = virtualTypes[type]; |
| |
| NodePath.prototype[`is${type}`] = function (opts) { |
| return virtualType.checkPath(this, opts); |
| }; |
| } |
| |
| var _default = NodePath; |
| exports.default = _default; |