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 5665x 4646x 4646x 1x 1x 4646x 5664x 5665x 1850x 1850x 5664x 5665x 1331x 1331x 5664x 5665x 185x 185x 185x 171x 171x 171x 35x 35x 35x 35x 35x 27x 27x 27x 27x 35x 12x 3x 3x 12x 35x 171x 185x 5664x 5664x 5664x  
/** @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();
}