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 4938x 3710x 3710x 3710x 3710x 3710x 7784x 9x 9x 9x 9x 9x 9x 9x 9x 9x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 9x 7784x 3710x 4938x 4938x 9274x 149x 149x 149x 149x 149x 76x 149x 149x 149x 149x 149x 149x 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 149x 149x 12x 12x 12x 12x 12x 12x 12x 149x 149x 9274x 9274x 2143x 2036x 2036x 2036x 2036x 78x 71x 71x 71x 7x 7x 2036x 2036x 14x 14x 14x 14x 14x 14x 2036x 2143x 107x 107x 107x 107x 107x 107x 2143x 9274x 4938x 4938x 4938x 4938x 4938x | /** @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();
}
|