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/*
* SPDX-FileCopyrightText: 2023 The Refinery Authors <https://refinery.tools/>
*
* SPDX-License-Identifier: EPL-2.0
*/
import { readFile } from 'node:fs/promises';
import path from 'node:path';
import pnpapi from 'pnpapi';
import type { PluginOption, ResolvedConfig } from 'vite';
// Use a CJS file as the PnP resolution issuer to force resolution to a non-ESM export.
const issuerFileName = 'worker.cjs';
export default function graphvizUMDVitePlugin(): PluginOption {
let command: ResolvedConfig['command'] = 'build';
let root: string | undefined;
let url: string | undefined;
return {
name: 'graphviz-umd',
enforce: 'post',
configResolved(config) {
({ command, root } = config);
},
async buildStart() {
const issuer =
root === undefined ? issuerFileName : path.join(root, issuerFileName);
const resolvedPath = pnpapi.resolveRequest(
'@hpcc-js/wasm/graphviz',
issuer,
);
if (resolvedPath === null) {
return;
}
if (command === 'serve') {
url = `/@fs/${resolvedPath}`;
} else {
const content = await readFile(resolvedPath, null);
url = this.emitFile({
name: path.basename(resolvedPath),
type: 'asset',
source: content,
});
}
},
renderStart() {
if (url !== undefined && command !== 'serve') {
url = this.getFileName(url);
}
},
transformIndexHtml() {
if (url === undefined) {
return undefined;
}
return [
{
tag: 'script',
attrs: {
src: url,
type: 'javascript/worker',
},
injectTo: 'head',
},
];
},
};
}
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