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import { VERSION } from '../../../version.js';
import { server_component, server_module } from './server/transform-server.js';
import { client_component, client_module } from './client/transform-client.js';
import { getLocator } from 'locate-character';
import { render_stylesheet } from './css/index.js';
import { merge_with_preprocessor_map, get_source_name } from '../../utils/mapped_code.js';
/**
* @param {import('../types').ComponentAnalysis} analysis
* @param {string} source
* @param {import('#compiler').ValidatedCompileOptions} options
* @returns {import('#compiler').CompileResult}
*/
export function transform_component(analysis, source, options) {
if (options.generate === false) {
return {
js: /** @type {any} */ (null),
css: null,
warnings: transform_warnings(source, options.filename, analysis.warnings),
metadata: {
runes: analysis.runes
},
ast: /** @type {any} */ (null) // set afterwards
};
}
const program =
options.generate === 'server'
? server_component(analysis, options)
: client_component(source, analysis, options);
const basename = (options.filename ?? 'Component').split(/[/\\]/).at(-1);
if (program.body.length > 0) {
program.body[0].leadingComments = [
{
type: 'Line',
value: ` ${basename} (Svelte v${VERSION})`
},
{
type: 'Line',
value: ' Note: compiler output will change before 5.0 is released!'
}
];
}
const js_source_name = get_source_name(options.filename, options.outputFilename, 'input.svelte');
const js = print(program, {
// include source content; makes it easier/more robust looking up the source map code
sourceMapContent: source,
sourceMapSource: js_source_name
});
merge_with_preprocessor_map(js, options, js_source_name);
const css =
analysis.css.ast && !analysis.inject_styles
? render_stylesheet(source, analysis, options)
: null;
return {
js,
css,
warnings: transform_warnings(source, options.filename, analysis.warnings), // TODO apply preprocessor sourcemap
metadata: {
runes: analysis.runes
},
ast: /** @type {any} */ (null) // set afterwards
};
}
/**
* @param {import('../types').Analysis} analysis
* @param {string} source
* @param {import('#compiler').ValidatedModuleCompileOptions} options
* @returns {import('#compiler').CompileResult}
*/
export function transform_module(analysis, source, options) {
if (options.generate === false) {
return {
js: /** @type {any} */ (null),
css: null,
warnings: transform_warnings(source, analysis.name, analysis.warnings),
metadata: {
runes: true
},
ast: /** @type {any} */ (null) // set afterwards
};
}
const program =
options.generate === 'server'
? server_module(analysis, options)
: client_module(analysis, options);
const basename = (options.filename ?? 'Module').split(/[/\\]/).at(-1);
if (program.body.length > 0) {
program.body[0].leadingComments = [
{
type: 'Block',
value: ` ${basename} generated by Svelte v${VERSION} `
}
];
}
return {
js: print(program, {}),
css: null,
warnings: transform_warnings(source, analysis.name, analysis.warnings),
metadata: {
runes: true
},
ast: /** @type {any} */ (null) // set afterwards
};
}
/**
* @param {string} source
* @param {string | undefined} name
* @param {import('../types').RawWarning[]} warnings
* @returns {import('#compiler').Warning[]}
*/
function transform_warnings(source, name, warnings) {
if (warnings.length === 0) return [];
const locate = getLocator(source, { offsetLine: 1 });
/** @type {import('#compiler').Warning[]} */
const result = [];
for (const warning of warnings) {
const start =
warning.position &&
/** @type {import('locate-character').Location} */ (locate(warning.position[0]));
const end =
warning.position &&
/** @type {import('locate-character').Location} */ (locate(warning.position[1]));
result.push({
start,
end,
filename: name,
message: warning.message,
code: warning.code
});
}
return result;
}
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