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 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 | 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 8039x 8039x 8039x 1878x 1878x 1878x 1878x 1878x 1878x 1878x 1878x 1878x 820x 1878x 1326x 1460x 1460x 1460x 1460x 1460x 1460x 560x 560x 546x 546x 382x 1460x 1460x 1326x 1878x 1878x 268x 268x 268x 268x 268x 3x 3x 3x 268x 265x 265x 265x 379x 351x 379x 351x 379x 1x 1x 350x 350x 379x 379x 379x 350x 350x 350x 378x 379x 379x 379x 379x 379x 379x 379x 379x 379x 379x 379x 63x 379x 55x 55x 379x 295x 295x 379x 264x 268x 8039x 6160x 360x 360x 360x 360x 1x 360x 360x 6160x 8037x 8037x 8037x | /** @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 } 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);
// TODO feels like this should happen during scope creation?
if (
rune === '$state' ||
rune === '$state.raw' ||
rune === '$derived' ||
rune === '$derived.by' ||
rune === '$props'
) {
for (const path of extract_paths(node.id)) {
// @ts-ignore this fails in CI for some insane reason
const binding = /** @type {Binding} */ (context.state.scope.get(path.node.name));
binding.kind =
rune === '$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();
}
|