watr/types/src/polyfill.d.ts

Light & fast WAT compiler – WebAssembly Text to binary, parse, print, transform

/**
 * Apply polyfill transforms to AST.
 *
 * @param {Array|string} ast - Module AST or source string
 * @param {boolean|string|Object} [opts=true] - Polyfill options
 *   - true: polyfill all detected features
 *   - 'funcref struct': space-separated feature list
 *   - { funcref: true, struct: false }: feature map
 * @returns {Array} Transformed AST
 *
 * @example
 * polyfill(ast)                      // auto-detect and polyfill all
 * polyfill(ast, 'funcref')           // only funcref
 * polyfill(ast, { funcref: true })   // explicit
 */
export default function polyfill(ast: any[] | string, opts?: boolean | string | any): any[];
/**
 * Detect which polyfillable features an AST uses.
 *
 * @param {Array} ast
 * @returns {Set<string>} Set of feature names
 */
export function detect(ast: any[]): Set<string>;
/**
 * Normalize polyfill options to a { feature: bool } map. `true` enables every
 * feature, a string enables only the named ones (or all via `'all'`), and an
 * explicit object is passed through untouched.
 *
 * @param {boolean|string|Object} opts
 * @returns {Object} Normalized options
 */
export function normalize(opts: boolean | string | any): any;
/** Feature name → trigger-op list — the public catalogue of polyfillable features. */
export const FEATURES: any;
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