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| 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 | 2x 2x 2x 2x 2x 2x 2x 2x 2x 3739x 3739x 3739x 3739x 3739x 3739x 4x 4x 4x 3739x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3739x 3739x 3739x | /** @import { ExpressionStatement, ImportDeclaration } from 'estree' */
/** @import { Context } from '../types' */
import * as w from '../../../warnings.js';
/**
* @param {ExpressionStatement} node
* @param {Context} context
*/
export function ExpressionStatement(node, context) {
// warn on `new Component({ target: ... })` if imported from a `.svelte` file
if (
node.expression.type === 'NewExpression' &&
node.expression.callee.type === 'Identifier' &&
node.expression.arguments.length === 1 &&
node.expression.arguments[0].type === 'ObjectExpression' &&
node.expression.arguments[0].properties.some(
(p) => p.type === 'Property' && p.key.type === 'Identifier' && p.key.name === 'target'
)
) {
const binding = context.state.scope.get(node.expression.callee.name);
if (binding?.kind === 'normal' && binding.declaration_kind === 'import') {
const declaration = /** @type {ImportDeclaration} */ (binding.initial);
// Theoretically someone could import a class from a `.svelte.js` module, but that's too rare to worry about
if (
/** @type {string} */ (declaration.source.value).endsWith('.svelte') &&
declaration.specifiers.find(
(s) => s.local.name === binding.node.name && s.type === 'ImportDefaultSpecifier'
)
) {
w.legacy_component_creation(node.expression);
}
}
}
context.next();
}
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