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 王天杨
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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = traverseForScope;
var _t = require("@babel/types");
var _index = require("../index.js");
var _visitors = require("../visitors.js");
var _context = require("../path/context.js");
const {
VISITOR_KEYS
} = _t;
function traverseForScope(path, visitors, state) {
const exploded = (0, _visitors.explode)(visitors);
if (exploded.enter || exploded.exit) {
throw new Error("Should not be used with enter/exit visitors.");
}
_traverse(path.parentPath, path.parent, path.node, path.container, path.key, path.listKey, path.hub, path);
function _traverse(parentPath, parent, node, container, key, listKey, hub, inPath) {
if (!node) {
return;
}
const path = inPath || _index.NodePath.get({
hub,
parentPath,
parent,
container,
listKey,
key
});
_context._forceSetScope.call(path);
const visitor = exploded[node.type];
if (visitor != null && visitor.enter) {
for (const visit of visitor.enter) {
visit.call(state, path, state);
}
}
if (path.shouldSkip) {
return;
}
const keys = VISITOR_KEYS[node.type];
if (!(keys != null && keys.length)) {
return;
}
for (const key of keys) {
const prop = node[key];
if (!prop) continue;
if (Array.isArray(prop)) {
for (let i = 0; i < prop.length; i++) {
const value = prop[i];
_traverse(path, node, value, prop, i, key);
}
} else {
_traverse(path, node, prop, node, key, null);
}
}
if (visitor != null && visitor.exit) {
for (const visit of visitor.exit) {
visit.call(state, path, state);
}
}
}
}
//# sourceMappingURL=traverseForScope.js.map
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