svelte
Version:
Cybernetically enhanced web apps
27 lines (22 loc) • 928 B
JavaScript
/** @import { AwaitExpression, Expression } from 'estree' */
/** @import { Context } from '../types' */
import { dev, is_ignored } from '../../../../state.js';
import { save } from '../../../../utils/ast.js';
import * as b from '../../../../utils/builders.js';
/**
* @param {AwaitExpression} node
* @param {Context} context
*/
export function AwaitExpression(node, context) {
const argument = /** @type {Expression} */ (context.visit(node.argument));
if (context.state.analysis.pickled_awaits.has(node)) {
return save(argument);
}
// in dev, note which values are read inside a reactive expression,
// but don't track them
else if (dev && !is_ignored(node, 'await_reactivity_loss')) {
// don't use b.await here, this way we preserve location information
return b.call({ ...node, argument: b.call('$.track_reactivity_loss', argument) });
}
return argument === node.argument ? node : { ...node, argument };
}