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 3738x 3686x 3686x 3686x 3686x 3686x 7737x 9x 9x 9x 9x 9x 9x 9x 9x 9x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 9x 7737x 3686x 3738x 3738x 7785x 118x 118x 118x 118x 118x 60x 118x 118x 118x 118x 118x 118x 17x 17x 17x 17x 17x 17x 17x 17x 17x 36x 19x 19x 19x 19x 19x 19x 17x 17x 36x 17x 17x 17x 17x 17x 17x 17x 17x 17x 17x 17x 17x 17x 118x 118x 4x 4x 4x 4x 4x 4x 4x 118x 118x 7785x 7785x 1976x 1962x 1962x 1962x 1962x 55x 55x 55x 55x 1962x 1962x 10x 10x 10x 10x 10x 10x 1962x 1976x 14x 14x 14x 14x 14x 14x 1976x 7785x 3738x 3738x 3738x 3738x 3738x | /** @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();
}
|