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