All files / src/compiler/phases/3-transform/client/visitors Identifier.js

100% Statements 44/44
100% Branches 13/13
100% Functions 1/1
100% Lines 41/41

Press n or j to go to the next uncovered block, b, p or k for the previous block.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 422x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 18629x 18629x 18629x 14380x 25x 25x 14355x 14355x 14355x 14355x 14380x 14380x 14380x 2791x 14380x 21x 21x 21x 21x 21x 21x 6x 21x 6x 6x 21x 14349x 14349x 14349x 18629x  
/** @import { Identifier, Node } from 'estree' */
/** @import { Context } from '../types' */
import is_reference from 'is-reference';
import * as b from '../../../../utils/builders.js';
import { build_getter } from '../utils.js';
 
/**
 * @param {Identifier} node
 * @param {Context} context
 */
export function Identifier(node, context) {
	const parent = /** @type {Node} */ (context.path.at(-1));
 
	if (is_reference(node, parent)) {
		if (node.name === '$$props') {
			return b.id('$$sanitized_props');
		}
 
		// Optimize prop access: If it's a member read access, we can use the $$props object directly
		const binding = context.state.scope.get(node.name);
		if (
			context.state.analysis.runes && // can't do this in legacy mode because the proxy does more than just read/write
			binding !== null &&
			node !== binding.node &&
			binding.kind === 'rest_prop'
		) {
			const grand_parent = context.path.at(-2);
 
			if (
				parent?.type === 'MemberExpression' &&
				!parent.computed &&
				grand_parent?.type !== 'AssignmentExpression' &&
				grand_parent?.type !== 'UpdateExpression'
			) {
				return b.id('$$props');
			}
		}
 
		return build_getter(node, context.state);
	}
}