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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 | 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 4649x 4649x 4649x 4649x 4649x 4649x 4649x 4649x 4649x 4649x 4649x 4649x 4649x 4649x 27x 27x 27x 27x 27x 27x 27x 4579x 4579x 4579x 4579x 4579x 4649x 221x 221x 221x 4649x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 24x 24x 24x 24x 24x 14x 14x 14x 24x 2x 2x 2x 2x 2x 2x 235x 235x 235x 235x 234x 234x 234x 234x 234x 234x 234x 234x 235x 235x 235x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 84x 84x 84x 84x 84x 84x 84x 8x 8x 8x 360x 360x 360x 360x 360x 360x 8x 8x 76x 76x 76x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x | import { getLocator } from 'locate-character';
import { walk } from 'zimmerframe';
import { CompileError } from './errors.js';
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';
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) {
try {
const validated = validate_component_options(options, '');
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);
return result;
} catch (e) {
if (e instanceof CompileError) {
handle_compile_error(e, options.filename, source);
}
throw e;
}
}
/**
* `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) {
try {
const validated = validate_module_options(options, '');
const analysis = analyze_module(parse_acorn(source, false), validated);
return transform_module(analysis, source, validated);
} catch (e) {
if (e instanceof CompileError) {
handle_compile_error(e, options.filename, source);
}
throw e;
}
}
/**
* @param {import('#compiler').CompileError} error
* @param {string | undefined} filename
* @param {string} source
*/
function handle_compile_error(error, filename, source) {
error.filename = filename;
if (error.position) {
// TODO this is reused with warnings — DRY out
const locator = getLocator(source, { offsetLine: 1 });
const start = locator(error.position[0]);
const end = locator(error.position[1]);
error.start = start;
error.end = end;
}
throw error;
}
/**
* 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; modern?: boolean }} [options]
* @returns {import('#compiler').Root | import('./types/legacy-nodes.js').LegacyRoot}
*/
export function parse(source, options = {}) {
/** @type {import('#compiler').Root} */
let ast;
try {
ast = _parse(source);
} catch (e) {
if (e instanceof CompileError) {
handle_compile_error(e, options.filename, source);
}
throw e;
}
if (options.modern) {
// remove things that we don't want to treat as public API
return 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}
*/
function _walk() {
throw new Error(
`'svelte/compiler' no longer exports a \`walk\` utility — please import it directly from 'estree-walker' instead`
);
}
export { _walk as walk };
export { CompileError } from './errors.js';
export { VERSION } from '../version.js';
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