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