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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 | 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 8192x 8192x 8192x 2005x 2005x 2005x 2005x 2005x 2145x 2145x 2004x 2004x 2004x 2005x 2005x 2005x 2005x 881x 2005x 1412x 1552x 1552x 1552x 1552x 1552x 1552x 604x 604x 590x 590x 409x 1552x 1552x 1412x 2004x 2005x 289x 289x 289x 289x 289x 5x 5x 5x 289x 284x 284x 284x 404x 374x 404x 374x 404x 1x 1x 373x 373x 404x 404x 404x 373x 373x 373x 403x 404x 404x 404x 404x 404x 404x 404x 404x 404x 404x 404x 69x 404x 61x 61x 404x 312x 312x 404x 283x 289x 8192x 6186x 362x 362x 362x 362x 1x 362x 362x 6186x 8189x 8189x 8189x | /** @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();
}
|