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// @ts-nocheck
import { compile } from 'svelte/compiler';
import { relative, isAbsolute, join, dirname } from 'path';
import { promises as fs } from 'fs';
const convertMessage = ({ message, start, end, filename, frame }) => ({
text: message,
location: start && end && {
file: filename,
line: start.line,
column: start.column,
length: start.line === end.line ? end.column - start.column : 0,
lineText: frame,
},
})
const handleLoad = async (args, generate) => {
const { path } = args;
const source = await fs.readFile(path, 'utf8');
const filename = relative(process.cwd(), path)
try {
let compileOptions = { css: false, generate, hydratable: true };
let { js, warnings } = compile(source, { ...compileOptions, filename })
let contents = js.code + `\n//# sourceMappingURL=` + js.map.toUrl()
return { loader: 'js', contents, resolveDir: dirname(path), warnings: warnings.map(w => convertMessage(w)) };
} catch (e) {
return { errors: [convertMessage(e)] }
}
}
export default function sveltePlugin() {
return {
name: 'svelte-esbuild',
setup(build) {
build.onResolve({ filter: /\.svelte$/ }, args => {
let path = args.path.replace(/\.(?:client|server)/, '');
path = isAbsolute(path) ? path : join(args.resolveDir, path)
if (/\.client\.svelte$/.test(args.path)) {
return {
path,
namespace: 'svelte:client',
}
}
if (/\.server\.svelte$/.test(args.path)) {
return {
path,
namespace: 'svelte:server',
}
}
});
build.onLoad({ filter: /.*/, namespace: 'svelte:client' }, (args) => handleLoad(args, 'dom'))
build.onLoad({ filter: /.*/, namespace: 'svelte:server' }, (args) => handleLoad(args, 'ssr'))
},
}
}
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