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import t from "@babel/types";
import virtualTypes from "../../lib/path/lib/virtual-types.js";
import definitions from "@babel/types/lib/definitions/index.js";
export default function generateValidators() {
let output = `/*
* This file is auto-generated! Do not modify it directly.
* To re-generate run 'make build'
*/
import * as t from "@babel/types";
import NodePath from "../index";
import type { VirtualTypeAliases } from "./virtual-types";
export interface NodePathValidators {
`;
for (const type of [...t.TYPES].sort()) {
output += `is${type}(opts?: object): this is NodePath<t.${type}>;`;
}
for (const type of Object.keys(virtualTypes)) {
const { types } = virtualTypes[type];
if (type[0] === "_") continue;
if (definitions.NODE_FIELDS[type] || definitions.FLIPPED_ALIAS_KEYS[type]) {
output += `is${type}(opts?: object): this is NodePath<t.${type}>;`;
} else if (types /* in VirtualTypeAliases */) {
output += `is${type}(opts?: object): this is NodePath<VirtualTypeAliases["${type}"]>;`;
} else {
// if it don't have types, then VirtualTypeAliases[type] is t.Node
// which TS marked as always true
// eg. if (path.isBlockScope()) return;
// path resolved to `never` here
// so we have to return boolean instead of this is NodePath<t.Node> here
output += `is${type}(opts?: object): boolean;`;
}
}
output += `
}
`;
return output;
}