@phenomnomnominal/tsquery/dist/src/ast.js

Query TypeScript ASTs with the esquery API!

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.ast = void 0;
const typescript_1 = require("typescript");
const index_1 = require("./index");
/**
 * @public
 * Parse a string of code into an Abstract Syntax Tree which can then be queried with TSQuery Selectors.
 *
 * @param source - the code that should be parsed into a [`SourceFile`](https://github.com/microsoft/TypeScript/blob/main/src/services/types.ts#L159). A `SourceFile` is the TypeScript implementation of an Abstract Syntax Tree (with extra details).
 * @param fileName - a name (if known) for the `SourceFile`. Defaults to empty string.
 * @param scriptKind - the TypeScript [`ScriptKind`](https://github.com/microsoft/TypeScript/blob/main/src/compiler/types.ts#L7305) of the code. Defaults to `ScriptKind.TSX`. Set this to `ScriptKind.TS` if your code uses the `<Type>` syntax for casting.
 * @returns a TypeScript `SourceFile`.
 */
function ast(source, fileName = '', scriptKind = index_1.ScriptKind.TSX) {
    return (0, typescript_1.createSourceFile)(fileName || '', source, typescript_1.ScriptTarget.Latest, true, scriptKind);
}
exports.ast = ast;
function ensure(code, scriptKind) {
    return isNode(code) ? code : ast(code, '', scriptKind);
}
ast.ensure = ensure;
function isNode(node) {
    return !!node.getSourceFile;
}
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