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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 | 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 4819x 3686x 3686x 3686x 3686x 3686x 7750x 9x 9x 9x 9x 9x 9x 9x 9x 9x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 9x 7750x 3686x 4819x 4819x 9131x 147x 147x 147x 147x 147x 75x 147x 147x 147x 147x 147x 147x 28x 28x 28x 28x 28x 28x 28x 28x 28x 66x 38x 38x 38x 38x 38x 38x 28x 28x 66x 28x 28x 28x 28x 28x 28x 28x 28x 28x 28x 28x 28x 28x 147x 147x 11x 11x 11x 11x 11x 11x 11x 147x 147x 9131x 9131x 2129x 2028x 2028x 2028x 2028x 77x 70x 70x 70x 7x 7x 2028x 2028x 14x 14x 14x 14x 14x 14x 2028x 2129x 101x 101x 101x 101x 101x 101x 2129x 9131x 4819x 4819x 4819x 4819x 4819x | /** @import { Expression, ImportDeclaration, MemberExpression, Program } from 'estree' */
/** @import { ComponentContext } from '../types' */
import { build_getter, is_prop_source } from '../utils.js';
import * as b from '../../../../utils/builders.js';
import { add_state_transformers } from './shared/declarations.js';
/**
* @param {Program} _
* @param {ComponentContext} context
*/
export function Program(_, context) {
if (!context.state.analysis.runes) {
context.state.transform['$$props'] = {
read: (node) => ({ ...node, name: '$$sanitized_props' })
};
for (const [name, binding] of context.state.scope.declarations) {
if (binding.declaration_kind === 'import' && binding.mutated) {
// the declaration itself is hoisted to the module scope, so we need
// to resort to cruder measures to differentiate instance/module imports
const { start, end } = context.state.analysis.instance.ast;
const node = /** @type {ImportDeclaration} */ (binding.initial);
const is_instance_import =
/** @type {number} */ (node.start) > /** @type {number} */ (start) &&
/** @type {number} */ (node.end) < /** @type {number} */ (end);
if (is_instance_import) {
const id = b.id('$$_import_' + name);
context.state.transform[name] = {
read: (_) => b.call(id),
mutate: (_, mutation) => b.call(id, mutation)
};
context.state.legacy_reactive_imports.push(
b.var(id, b.call('$.reactive_import', b.thunk(b.id(name))))
);
}
}
}
}
for (const [name, binding] of context.state.scope.declarations) {
if (binding.kind === 'store_sub') {
// read lazily, so that transforms added later are still applied
/** @type {Expression} */
let cached;
const get_store = () => {
return (cached ??= /** @type {Expression} */ (context.visit(b.id(name.slice(1)))));
};
context.state.transform[name] = {
read: b.call,
assign: (_, value) => b.call('$.store_set', get_store(), value),
mutate: (node, mutation) => {
// We need to untrack the store read, for consistency with Svelte 4
const untracked = b.call('$.untrack', node);
/**
*
* @param {Expression} n
* @returns {Expression}
*/
function replace(n) {
if (n.type === 'MemberExpression') {
return {
...n,
object: replace(/** @type {Expression} */ (n.object)),
property: n.property
};
}
return untracked;
}
return b.call(
'$.store_mutate',
get_store(),
b.assignment(
mutation.operator,
/** @type {MemberExpression} */ (
replace(/** @type {MemberExpression} */ (mutation.left))
),
mutation.right
),
untracked
);
},
update: (node) => {
return b.call(
node.prefix ? '$.update_pre_store' : '$.update_store',
build_getter(b.id(name.slice(1)), context.state),
b.call(node.argument),
node.operator === '--' && b.literal(-1)
);
}
};
}
if (binding.kind === 'prop' || binding.kind === 'bindable_prop') {
if (is_prop_source(binding, context.state)) {
context.state.transform[name] = {
read: b.call,
assign: (node, value) => b.call(node, value),
mutate: (node, value) => {
if (binding.kind === 'bindable_prop') {
// only necessary for interop with legacy parent bindings
return b.call(node, value, b.true);
}
return value;
},
update: (node) => {
return b.call(
node.prefix ? '$.update_pre_prop' : '$.update_prop',
node.argument,
node.operator === '--' && b.literal(-1)
);
}
};
} else if (binding.prop_alias) {
const key = b.key(binding.prop_alias);
context.state.transform[name] = {
read: (_) => b.member(b.id('$$props'), key, key.type === 'Literal')
};
} else {
context.state.transform[name] = {
read: (node) => b.member(b.id('$$props'), node)
};
}
}
}
add_state_transformers(context);
context.next();
}
|