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- "use strict";
- Object.defineProperty(exports, "__esModule", {
- value: true
- });
- exports.environmentVisitor = environmentVisitor;
- exports.explode = explode$1;
- exports.isExplodedVisitor = isExplodedVisitor;
- exports.merge = merge;
- exports.verify = verify$1;
- var virtualTypes = require("./path/lib/virtual-types.js");
- var virtualTypesValidators = require("./path/lib/virtual-types-validator.js");
- var _t = require("@babel/types");
- var _context = require("./path/context.js");
- const {
- DEPRECATED_KEYS,
- DEPRECATED_ALIASES,
- FLIPPED_ALIAS_KEYS,
- TYPES,
- __internal__deprecationWarning: deprecationWarning
- } = _t;
- function isVirtualType(type) {
- return type in virtualTypes;
- }
- function isExplodedVisitor(visitor) {
- return visitor == null ? void 0 : visitor._exploded;
- }
- function explode$1(visitor) {
- if (isExplodedVisitor(visitor)) return visitor;
- visitor._exploded = true;
- for (const nodeType of Object.keys(visitor)) {
- if (shouldIgnoreKey(nodeType)) continue;
- const parts = nodeType.split("|");
- if (parts.length === 1) continue;
- const fns = visitor[nodeType];
- delete visitor[nodeType];
- for (const part of parts) {
- visitor[part] = fns;
- }
- }
- verify$1(visitor);
- delete visitor.__esModule;
- ensureEntranceObjects(visitor);
- ensureCallbackArrays(visitor);
- for (const nodeType of Object.keys(visitor)) {
- if (shouldIgnoreKey(nodeType)) continue;
- if (!isVirtualType(nodeType)) continue;
- const fns = visitor[nodeType];
- for (const type of Object.keys(fns)) {
- fns[type] = wrapCheck(nodeType, fns[type]);
- }
- delete visitor[nodeType];
- const types = virtualTypes[nodeType];
- if (types !== null) {
- for (const type of types) {
- if (visitor[type]) {
- mergePair(visitor[type], fns);
- } else {
- visitor[type] = fns;
- }
- }
- } else {
- mergePair(visitor, fns);
- }
- }
- for (const nodeType of Object.keys(visitor)) {
- if (shouldIgnoreKey(nodeType)) continue;
- let aliases = FLIPPED_ALIAS_KEYS[nodeType];
- if (nodeType in DEPRECATED_KEYS) {
- const deprecatedKey = DEPRECATED_KEYS[nodeType];
- deprecationWarning(nodeType, deprecatedKey, "Visitor ");
- aliases = [deprecatedKey];
- } else if (nodeType in DEPRECATED_ALIASES) {
- const deprecatedAlias = DEPRECATED_ALIASES[nodeType];
- deprecationWarning(nodeType, deprecatedAlias, "Visitor ");
- aliases = FLIPPED_ALIAS_KEYS[deprecatedAlias];
- }
- if (!aliases) continue;
- const fns = visitor[nodeType];
- delete visitor[nodeType];
- for (const alias of aliases) {
- const existing = visitor[alias];
- if (existing) {
- mergePair(existing, fns);
- } else {
- visitor[alias] = Object.assign({}, fns);
- }
- }
- }
- for (const nodeType of Object.keys(visitor)) {
- if (shouldIgnoreKey(nodeType)) continue;
- ensureCallbackArrays(visitor[nodeType]);
- }
- return visitor;
- }
- function verify$1(visitor) {
- if (visitor._verified) return;
- if (typeof visitor === "function") {
- throw new Error("You passed `traverse()` a function when it expected a visitor object, " + "are you sure you didn't mean `{ enter: Function }`?");
- }
- for (const nodeType of Object.keys(visitor)) {
- if (nodeType === "enter" || nodeType === "exit") {
- validateVisitorMethods(nodeType, visitor[nodeType]);
- }
- if (shouldIgnoreKey(nodeType)) continue;
- if (!TYPES.includes(nodeType)) {
- throw new Error(`You gave us a visitor for the node type ${nodeType} but it's not a valid type in @babel/traverse ${"7.25.9"}`);
- }
- const visitors = visitor[nodeType];
- if (typeof visitors === "object") {
- for (const visitorKey of Object.keys(visitors)) {
- if (visitorKey === "enter" || visitorKey === "exit") {
- validateVisitorMethods(`${nodeType}.${visitorKey}`, visitors[visitorKey]);
- } else {
- throw new Error("You passed `traverse()` a visitor object with the property " + `${nodeType} that has the invalid property ${visitorKey}`);
- }
- }
- }
- }
- visitor._verified = true;
- }
- function validateVisitorMethods(path, val) {
- const fns = [].concat(val);
- for (const fn of fns) {
- if (typeof fn !== "function") {
- throw new TypeError(`Non-function found defined in ${path} with type ${typeof fn}`);
- }
- }
- }
- function merge(visitors, states = [], wrapper) {
- const mergedVisitor = {
- _verified: true,
- _exploded: true
- };
- {
- Object.defineProperty(mergedVisitor, "_exploded", {
- enumerable: false
- });
- Object.defineProperty(mergedVisitor, "_verified", {
- enumerable: false
- });
- }
- for (let i = 0; i < visitors.length; i++) {
- const visitor = explode$1(visitors[i]);
- const state = states[i];
- let topVisitor = visitor;
- if (state || wrapper) {
- topVisitor = wrapWithStateOrWrapper(topVisitor, state, wrapper);
- }
- mergePair(mergedVisitor, topVisitor);
- for (const key of Object.keys(visitor)) {
- if (shouldIgnoreKey(key)) continue;
- let typeVisitor = visitor[key];
- if (state || wrapper) {
- typeVisitor = wrapWithStateOrWrapper(typeVisitor, state, wrapper);
- }
- const nodeVisitor = mergedVisitor[key] || (mergedVisitor[key] = {});
- mergePair(nodeVisitor, typeVisitor);
- }
- }
- return mergedVisitor;
- }
- function wrapWithStateOrWrapper(oldVisitor, state, wrapper) {
- const newVisitor = {};
- for (const phase of ["enter", "exit"]) {
- let fns = oldVisitor[phase];
- if (!Array.isArray(fns)) continue;
- fns = fns.map(function (fn) {
- let newFn = fn;
- if (state) {
- newFn = function (path) {
- fn.call(state, path, state);
- };
- }
- if (wrapper) {
- newFn = wrapper(state == null ? void 0 : state.key, phase, newFn);
- }
- if (newFn !== fn) {
- newFn.toString = () => fn.toString();
- }
- return newFn;
- });
- newVisitor[phase] = fns;
- }
- return newVisitor;
- }
- function ensureEntranceObjects(obj) {
- for (const key of Object.keys(obj)) {
- if (shouldIgnoreKey(key)) continue;
- const fns = obj[key];
- if (typeof fns === "function") {
- obj[key] = {
- enter: fns
- };
- }
- }
- }
- function ensureCallbackArrays(obj) {
- if (obj.enter && !Array.isArray(obj.enter)) obj.enter = [obj.enter];
- if (obj.exit && !Array.isArray(obj.exit)) obj.exit = [obj.exit];
- }
- function wrapCheck(nodeType, fn) {
- const fnKey = `is${nodeType}`;
- const validator = virtualTypesValidators[fnKey];
- const newFn = function (path) {
- if (validator.call(path)) {
- return fn.apply(this, arguments);
- }
- };
- newFn.toString = () => fn.toString();
- return newFn;
- }
- function shouldIgnoreKey(key) {
- if (key[0] === "_") return true;
- if (key === "enter" || key === "exit" || key === "shouldSkip") return true;
- if (key === "denylist" || key === "noScope" || key === "skipKeys") {
- return true;
- }
- {
- if (key === "blacklist") {
- return true;
- }
- }
- return false;
- }
- function mergePair(dest, src) {
- for (const phase of ["enter", "exit"]) {
- if (!src[phase]) continue;
- dest[phase] = [].concat(dest[phase] || [], src[phase]);
- }
- }
- const _environmentVisitor = {
- FunctionParent(path) {
- if (path.isArrowFunctionExpression()) return;
- path.skip();
- if (path.isMethod()) {
- if (!path.requeueComputedKeyAndDecorators) {
- _context.requeueComputedKeyAndDecorators.call(path);
- } else {
- path.requeueComputedKeyAndDecorators();
- }
- }
- },
- Property(path) {
- if (path.isObjectProperty()) return;
- path.skip();
- if (!path.requeueComputedKeyAndDecorators) {
- _context.requeueComputedKeyAndDecorators.call(path);
- } else {
- path.requeueComputedKeyAndDecorators();
- }
- }
- };
- function environmentVisitor(visitor) {
- return merge([_environmentVisitor, visitor]);
- }
- //# sourceMappingURL=visitors.js.map
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