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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 | 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 44965x 44965x 44965x 44965x 9409x 9409x 35556x 35556x 35556x 35556x 35556x 44965x 3x 44965x 1x 1x 35555x 35555x 44965x 12x 12x 35555x 44965x 10658x 10658x 10658x 1709x 10658x 1659x 1659x 1659x 1659x 1659x 124x 124x 124x 124x 124x 124x 124x 2x 1x 1x 1x 2x 1x 2x 1x 1x 1x 124x 1657x 1659x 2x 2x 1659x 10658x 35551x 35551x 35551x 39388x 24897x 68x 68x 24897x 24897x 57x 57x 24897x 35551x 44965x 32625x 10248x 10248x 10248x 32625x 32625x 32625x 32625x 32625x 614x 614x 614x 54x 35x 35x 35x 614x 614x 32625x 38x 32625x 25x 32625x 20x 20x 32625x 32625x 32625x 32625x 34x 32625x 3x 3x 32625x 44965x | /** @import { Expression, Identifier } from 'estree' */
/** @import { EachBlock } from '#compiler' */
/** @import { Context } from '../types' */
import is_reference from 'is-reference';
import { should_proxy } from '../../3-transform/client/utils.js';
import * as e from '../../../errors.js';
import * as w from '../../../warnings.js';
import { is_rune } from '../../../../utils.js';
import { mark_subtree_dynamic } from './shared/fragment.js';
/**
* @param {Identifier} node
* @param {Context} context
*/
export function Identifier(node, context) {
let i = context.path.length;
let parent = /** @type {Expression} */ (context.path[--i]);
if (!is_reference(node, parent)) {
return;
}
mark_subtree_dynamic(context.path);
// If we are using arguments outside of a function, then throw an error
if (
node.name === 'arguments' &&
!context.path.some((n) => n.type === 'FunctionDeclaration' || n.type === 'FunctionExpression')
) {
e.invalid_arguments_usage(node);
}
// `$$slots` exists even in runes mode
if (node.name === '$$slots') {
context.state.analysis.uses_slots = true;
}
if (context.state.analysis.runes) {
if (
is_rune(node.name) &&
context.state.scope.get(node.name) === null &&
context.state.scope.get(node.name.slice(1)) === null
) {
/** @type {Expression} */
let current = node;
let name = node.name;
while (parent.type === 'MemberExpression') {
if (parent.computed) e.rune_invalid_computed_property(parent);
name += `.${/** @type {Identifier} */ (parent.property).name}`;
current = parent;
parent = /** @type {Expression} */ (context.path[--i]);
if (!is_rune(name)) {
if (name === '$effect.active') {
e.rune_renamed(parent, '$effect.active', '$effect.tracking');
}
if (name === '$state.frozen') {
e.rune_renamed(parent, '$state.frozen', '$state.raw');
}
if (name === '$state.is') {
e.rune_removed(parent, '$state.is');
}
e.rune_invalid_name(parent, name);
}
}
if (parent.type !== 'CallExpression') {
e.rune_missing_parentheses(current);
}
}
}
let binding = context.state.scope.get(node.name);
if (!context.state.analysis.runes) {
if (node.name === '$$props') {
context.state.analysis.uses_props = true;
}
if (node.name === '$$restProps') {
context.state.analysis.uses_rest_props = true;
}
}
if (binding) {
if (context.state.expression) {
context.state.expression.dependencies.add(binding);
context.state.expression.has_state ||= binding.kind !== 'normal';
}
if (
context.state.analysis.runes &&
node !== binding.node &&
context.state.function_depth === binding.scope.function_depth &&
// If we have $state that can be proxied or frozen and isn't re-assigned, then that means
// it's likely not using a primitive value and thus this warning isn't that helpful.
(((binding.kind === 'state' || binding.kind === 'linked_state') &&
(binding.reassigned ||
(binding.initial?.type === 'CallExpression' &&
binding.initial.arguments.length === 1 &&
binding.initial.arguments[0].type !== 'SpreadElement' &&
!should_proxy(binding.initial.arguments[0], context.state.scope)))) ||
binding.kind === 'raw_state' ||
binding.kind === 'derived') &&
// We're only concerned with reads here
(parent.type !== 'AssignmentExpression' || parent.left !== node) &&
parent.type !== 'UpdateExpression'
) {
w.state_referenced_locally(node);
}
if (
context.state.reactive_statement &&
binding.scope === context.state.analysis.module.scope &&
binding.reassigned
) {
w.reactive_declaration_module_script_dependency(node);
}
}
}
|