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 20903x 20903x 20903x 16319x 30x 30x 16289x 16289x 16289x 16289x 16319x 16319x 16319x 3152x 16319x 21x 21x 21x 21x 21x 21x 6x 21x 6x 6x 21x 16283x 16283x 16283x 20903x  
/** @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);
	}
}