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import { b } from 'code-red';
/**
* @param {any} program
* @param {import('estree').Identifier} name
* @param {string} banner
* @param {any} svelte_path
* @param {Array<{ name: string; alias: import('estree').Identifier }>} helpers
* @param {Array<{ name: string; alias: import('estree').Identifier }>} globals
* @param {import('estree').ImportDeclaration[]} imports
* @param {Export[]} module_exports
* @param {import('estree').ExportNamedDeclaration[]} exports_from
*/
export default function create_module(
program,
name,
banner,
svelte_path = 'svelte',
helpers,
globals,
imports,
module_exports,
exports_from
) {
const internal_path = `${svelte_path}/internal`;
helpers.sort((a, b) => (a.name < b.name ? -1 : 1));
globals.sort((a, b) => (a.name < b.name ? -1 : 1));
return esm(
program,
name,
banner,
svelte_path,
internal_path,
helpers,
globals,
imports,
module_exports,
exports_from
);
}
/**
* @param {any} source
* @param {any} svelte_path
*/
function edit_source(source, svelte_path) {
return source === 'svelte' || source.startsWith('svelte/')
? source.replace('svelte', svelte_path)
: source;
}
/**
* @param {Array<{ name: string; alias: import('estree').Identifier }>} globals
* @param {Array<{ name: string; alias: import('estree').Identifier }>} helpers
*/
function get_internal_globals(globals, helpers) {
return (
globals.length > 0 && {
type: 'VariableDeclaration',
kind: 'const',
declarations: [
{
type: 'VariableDeclarator',
id: {
type: 'ObjectPattern',
properties: globals.map((g) => ({
type: 'Property',
method: false,
shorthand: false,
computed: false,
key: { type: 'Identifier', name: g.name },
value: g.alias,
kind: 'init'
}))
},
init: helpers.find(({ name }) => name === 'globals').alias
}
]
}
);
}
/**
* @param {any} program
* @param {import('estree').Identifier} name
* @param {string} banner
* @param {string} svelte_path
* @param {string} internal_path
* @param {Array<{ name: string; alias: import('estree').Identifier }>} helpers
* @param {Array<{ name: string; alias: import('estree').Identifier }>} globals
* @param {import('estree').ImportDeclaration[]} imports
* @param {Export[]} module_exports
* @param {import('estree').ExportNamedDeclaration[]} exports_from
*/
function esm(
program,
name,
banner,
svelte_path,
internal_path,
helpers,
globals,
imports,
module_exports,
exports_from
) {
const import_declaration = {
type: 'ImportDeclaration',
specifiers: helpers.map((h) => ({
type: 'ImportSpecifier',
local: h.alias,
imported: { type: 'Identifier', name: h.name }
})),
source: { type: 'Literal', value: internal_path }
};
const internal_globals = get_internal_globals(globals, helpers);
// edit user imports
/** @param {any} node */
function rewrite_import(node) {
const value = edit_source(node.source.value, svelte_path);
if (node.source.value !== value) {
node.source.value = value;
node.source.raw = null;
}
}
imports.forEach(rewrite_import);
exports_from.forEach(rewrite_import);
const exports = module_exports.length > 0 && {
type: 'ExportNamedDeclaration',
specifiers: module_exports.map((x) => ({
type: 'Specifier',
local: { type: 'Identifier', name: x.name },
exported: { type: 'Identifier', name: x.as }
}))
};
program.body = b`
/* ${banner} */
${import_declaration}
${internal_globals}
${imports}
${exports_from}
${program.body}
export default ${name};
${exports}
`;
}
/**
* @typedef {Object} Export
* @property {string} name
* @property {string} as
*/
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