All files / src/compiler/phases/2-analyze/visitors MemberExpression.js

100% Statements 58/58
100% Branches 24/24
100% Functions 1/1
100% Lines 54/54

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 42 43 44 45 46 47 48 49 50 51 52 53 54 552x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 5790x 4763x 4763x 1x 1x 4763x 5789x 5790x 1883x 1883x 5789x 5790x 1349x 1349x 5789x 5790x 190x 190x 190x 176x 176x 176x 35x 35x 35x 35x 35x 27x 27x 27x 27x 35x 12x 3x 3x 12x 35x 176x 190x 5789x 5789x 5789x  
/** @import { MemberExpression, Node } from 'estree' */
/** @import { Context } from '../types' */
import * as e from '../../../errors.js';
import * as w from '../../../warnings.js';
import { object } from '../../../utils/ast.js';
import { is_pure, is_safe_identifier } from './shared/utils.js';
 
/**
 * @param {MemberExpression} node
 * @param {Context} context
 */
export function MemberExpression(node, context) {
	if (node.object.type === 'Identifier' && node.property.type === 'Identifier') {
		const binding = context.state.scope.get(node.object.name);
		if (binding?.kind === 'rest_prop' && node.property.name.startsWith('$$')) {
			e.props_illegal_name(node.property);
		}
	}
 
	if (context.state.expression && !is_pure(node, context)) {
		context.state.expression.has_state = true;
	}
 
	if (!is_safe_identifier(node, context.state.scope)) {
		context.state.analysis.needs_context = true;
	}
 
	if (context.state.reactive_statement) {
		const left = object(node);
 
		if (left !== null) {
			const binding = context.state.scope.get(left.name);
 
			if (binding && binding.kind === 'normal') {
				const parent = /** @type {Node} */ (context.path.at(-1));
 
				if (
					binding.scope === context.state.analysis.module.scope ||
					binding.declaration_kind === 'import' ||
					(binding.initial &&
						binding.initial.type !== 'ArrayExpression' &&
						binding.initial.type !== 'ObjectExpression' &&
						binding.scope.function_depth <= 1)
				) {
					if (parent.type !== 'MemberExpression' && parent.type !== 'CallExpression') {
						w.reactive_declaration_non_reactive_property(node);
					}
				}
			}
		}
	}
 
	context.next();
}