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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 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 | 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 8284x 8284x 8284x 2057x 2057x 2057x 2057x 2057x 2197x 2197x 2056x 2056x 2056x 2057x 2057x 2057x 2057x 903x 2057x 1448x 1588x 1588x 1588x 1588x 1588x 1588x 614x 614x 600x 600x 415x 1588x 1588x 1448x 2056x 2057x 295x 295x 295x 295x 295x 5x 5x 5x 295x 290x 290x 290x 410x 380x 410x 380x 410x 1x 1x 379x 379x 410x 410x 410x 379x 379x 379x 409x 410x 410x 410x 410x 410x 410x 410x 410x 410x 410x 410x 71x 410x 63x 63x 410x 316x 316x 410x 289x 295x 8284x 6226x 363x 363x 363x 363x 1x 363x 363x 6226x 8281x 8281x 8281x | /** @import { Expression, Identifier, Literal, VariableDeclarator } from 'estree' */
/** @import { Binding } from '#compiler' */
/** @import { Context } from '../types' */
import { get_rune } from '../../scope.js';
import { ensure_no_module_import_conflict, validate_identifier_name } from './shared/utils.js';
import * as e from '../../../errors.js';
import { extract_paths } from '../../../utils/ast.js';
import { equal } from '../../../utils/assert.js';
/**
* @param {VariableDeclarator} node
* @param {Context} context
*/
export function VariableDeclarator(node, context) {
ensure_no_module_import_conflict(node, context.state);
if (context.state.analysis.runes) {
const init = node.init;
const rune = get_rune(init, context.state.scope);
const paths = extract_paths(node.id);
for (const path of paths) {
validate_identifier_name(context.state.scope.get(/** @type {Identifier} */ (path.node).name));
}
// TODO feels like this should happen during scope creation?
if (
rune === '$state' ||
rune === '$state.raw' ||
rune === '$derived' ||
rune === '$derived.by' ||
rune === '$props'
) {
for (const path of paths) {
// @ts-ignore this fails in CI for some insane reason
const binding = /** @type {Binding} */ (context.state.scope.get(path.node.name));
binding.kind =
rune === '$state'
? 'state'
: rune === '$state.raw'
? 'raw_state'
: rune === '$derived' || rune === '$derived.by'
? 'derived'
: path.is_rest
? 'rest_prop'
: 'prop';
}
}
if (rune === '$props') {
if (node.id.type !== 'ObjectPattern' && node.id.type !== 'Identifier') {
e.props_invalid_identifier(node);
}
context.state.analysis.needs_props = true;
if (node.id.type === 'Identifier') {
const binding = /** @type {Binding} */ (context.state.scope.get(node.id.name));
binding.initial = null; // else would be $props()
binding.kind = 'rest_prop';
} else {
equal(node.id.type, 'ObjectPattern');
for (const property of node.id.properties) {
if (property.type !== 'Property') continue;
if (property.computed) {
e.props_invalid_pattern(property);
}
if (property.key.type === 'Identifier' && property.key.name.startsWith('$$')) {
e.props_illegal_name(property);
}
const value =
property.value.type === 'AssignmentPattern' ? property.value.left : property.value;
if (value.type !== 'Identifier') {
e.props_invalid_pattern(property);
}
const alias =
property.key.type === 'Identifier'
? property.key.name
: String(/** @type {Literal} */ (property.key).value);
let initial = property.value.type === 'AssignmentPattern' ? property.value.right : null;
const binding = /** @type {Binding} */ (context.state.scope.get(value.name));
binding.prop_alias = alias;
// rewire initial from $props() to the actual initial value, stripping $bindable() if necessary
if (
initial?.type === 'CallExpression' &&
initial.callee.type === 'Identifier' &&
initial.callee.name === '$bindable'
) {
binding.initial = /** @type {Expression | null} */ (initial.arguments[0] ?? null);
binding.kind = 'bindable_prop';
} else {
binding.initial = initial;
}
}
}
}
} else {
if (node.init?.type === 'CallExpression') {
const callee = node.init.callee;
if (
callee.type === 'Identifier' &&
(callee.name === '$state' || callee.name === '$derived' || callee.name === '$props') &&
context.state.scope.get(callee.name)?.kind !== 'store_sub'
) {
e.rune_invalid_usage(node.init, callee.name);
}
}
}
context.next();
}
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