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| 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 | 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 4936x 4936x 4936x 4936x 4936x 4936x 4936x 4936x 4936x 4936x 4936x 4936x 4936x 4936x 4936x 38x 38x 38x 38x 38x 38x 38x 4864x 4864x 4864x 4864x 4864x 4864x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 27x 27x 27x 27x 27x 27x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 85x 85x 85x 85x 85x 2x 2x 2x 2x 2x 2x 4781x 4781x 9x 9x 9x 382x 382x 382x 382x 382x 382x 9x 9x 4772x 4772x 4772x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x | import { walk as zimmerframe_walk } from 'zimmerframe';
import { convert } from './legacy.js';
import { parse as parse_acorn } from './phases/1-parse/acorn.js';
import { parse as _parse } from './phases/1-parse/index.js';
import { remove_typescript_nodes } from './phases/1-parse/remove_typescript_nodes.js';
import { analyze_component, analyze_module } from './phases/2-analyze/index.js';
import { transform_component, transform_module } from './phases/3-transform/index.js';
import { validate_component_options, validate_module_options } from './validate-options.js';
import * as state from './state.js';
export { default as preprocess } from './preprocess/index.js';
/**
* `compile` converts your `.svelte` source code into a JavaScript module that exports a component
*
* https://svelte.dev/docs/svelte-compiler#svelte-compile
* @param {string} source The component source code
* @param {import('#compiler').CompileOptions} options The compiler options
* @returns {import('#compiler').CompileResult}
*/
export function compile(source, options) {
const validated = validate_component_options(options, '');
state.reset(source, validated);
let parsed = _parse(source);
const { customElement: customElementOptions, ...parsed_options } = parsed.options || {};
/** @type {import('#compiler').ValidatedCompileOptions} */
const combined_options = {
...validated,
...parsed_options,
customElementOptions
};
if (parsed.metadata.ts) {
parsed = {
...parsed,
fragment: parsed.fragment && remove_typescript_nodes(parsed.fragment),
instance: parsed.instance && remove_typescript_nodes(parsed.instance),
module: parsed.module && remove_typescript_nodes(parsed.module)
};
}
const analysis = analyze_component(parsed, source, combined_options);
const result = transform_component(analysis, source, combined_options);
result.ast = to_public_ast(source, parsed, options.modernAst);
return result;
}
/**
* `compileModule` takes your JavaScript source code containing runes, and turns it into a JavaScript module.
*
* https://svelte.dev/docs/svelte-compiler#svelte-compile
* @param {string} source The component source code
* @param {import('#compiler').ModuleCompileOptions} options
* @returns {import('#compiler').CompileResult}
*/
export function compileModule(source, options) {
const validated = validate_module_options(options, '');
state.reset(source, validated);
const analysis = analyze_module(parse_acorn(source, false), validated);
return transform_module(analysis, source, validated);
}
/**
* The parse function parses a component, returning only its abstract syntax tree.
*
* The `modern` option (`false` by default in Svelte 5) makes the parser return a modern AST instead of the legacy AST.
* `modern` will become `true` by default in Svelte 6, and the option will be removed in Svelte 7.
*
* https://svelte.dev/docs/svelte-compiler#svelte-parse
* @overload
* @param {string} source
* @param {{ filename?: string; modern: true }} options
* @returns {import('#compiler').Root}
*/
/**
* The parse function parses a component, returning only its abstract syntax tree.
*
* The `modern` option (`false` by default in Svelte 5) makes the parser return a modern AST instead of the legacy AST.
* `modern` will become `true` by default in Svelte 6, and the option will be removed in Svelte 7.
*
* https://svelte.dev/docs/svelte-compiler#svelte-parse
* @overload
* @param {string} source
* @param {{ filename?: string; modern?: false }} [options]
* @returns {import('./types/legacy-nodes.js').LegacyRoot}
*/
/**
* The parse function parses a component, returning only its abstract syntax tree.
*
* The `modern` option (`false` by default in Svelte 5) makes the parser return a modern AST instead of the legacy AST.
* `modern` will become `true` by default in Svelte 6, and the option will be removed in Svelte 7.
*
* https://svelte.dev/docs/svelte-compiler#svelte-parse
* @param {string} source
* @param {{ filename?: string; rootDir?: string; modern?: boolean }} [options]
* @returns {import('#compiler').Root | import('./types/legacy-nodes.js').LegacyRoot}
*/
export function parse(source, { filename, rootDir, modern } = {}) {
state.reset(source, { filename, rootDir }); // TODO it's weird to require filename/rootDir here. reconsider the API
const ast = _parse(source);
return to_public_ast(source, ast, modern);
}
/**
* @param {string} source
* @param {import('#compiler').Root} ast
* @param {boolean | undefined} modern
*/
function to_public_ast(source, ast, modern) {
if (modern) {
// remove things that we don't want to treat as public API
return zimmerframe_walk(ast, null, {
_(node, { next }) {
// @ts-ignore
delete node.parent;
// @ts-ignore
delete node.metadata;
next();
}
});
}
return convert(source, ast);
}
/**
* @deprecated Replace this with `import { walk } from 'estree-walker'`
* @returns {never}
*/
export function walk() {
throw new Error(
`'svelte/compiler' no longer exports a \`walk\` utility — please import it directly from 'estree-walker' instead`
);
}
export { CompileError } from './errors.js';
export { VERSION } from '../version.js';
export { migrate } from './migrate/index.js';
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