svelte
Version:
Cybernetically enhanced web apps
31 lines (25 loc) • 780 B
JavaScript
/** @import { AwaitExpression } from 'estree' */
/** @import { Context } from '../types' */
import * as e from '../../../errors.js';
/**
* @param {AwaitExpression} node
* @param {Context} context
*/
export function AwaitExpression(node, context) {
let suspend = context.state.ast_type === 'instance' && context.state.function_depth === 1;
if (context.state.expression) {
context.state.expression.has_await = true;
suspend = true;
}
// disallow top-level `await` or `await` in template expressions
// unless a) in runes mode and b) opted into `experimental.async`
if (suspend) {
if (!context.state.options.experimental.async) {
e.experimental_async(node);
}
if (!context.state.analysis.runes) {
e.legacy_await_invalid(node);
}
}
context.next();
}