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 5772x 4751x 4751x 1x 1x 4751x 5771x 5772x 1880x 1880x 5771x 5772x 1345x 1345x 5771x 5772x 190x 190x 190x 176x 176x 176x 35x 35x 35x 35x 35x 27x 27x 27x 27x 35x 12x 3x 3x 12x 35x 176x 190x 5771x 5771x 5771x  
/** @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();
}