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98 lines
3.0 KiB
TypeScript

import { Plugin, normalizePath } from 'vite';
import { log } from '../../utils/log';
import path from 'path';
import { fileURLToPath } from 'url';
import fs from 'fs';
import { idToFile } from './utils';
import { defaultInspectorOptions, type InspectorOptions, parseEnvironmentOptions } from './options';
function getInspectorPath() {
const pluginPath = normalizePath(path.dirname(fileURLToPath(import.meta.url)));
return pluginPath.replace(/\/vite-plugin-svelte\/dist$/, '/vite-plugin-svelte/src/ui/inspector/');
}
export function svelteInspector(): Plugin {
const inspectorPath = getInspectorPath();
log.debug.enabled && log.debug(`svelte inspector path: ${inspectorPath}`);
let inspectorOptions: InspectorOptions;
let disabled = false;
return {
name: 'vite-plugin-svelte:inspector',
apply: 'serve',
enforce: 'pre',
configResolved(config) {
const vps = config.plugins.find((p) => p.name === 'vite-plugin-svelte');
if (!vps) {
log.warn('vite-plugin-svelte is missing, inspector disabled', undefined, 'inspector');
disabled = true;
return;
}
const configFileOptions = vps?.api?.options?.inspector;
const environmentOptions = parseEnvironmentOptions(config);
if (!configFileOptions && !environmentOptions) {
log.debug('no options found, inspector disabled', undefined, 'inspector');
disabled = true;
return;
}
if (environmentOptions === true) {
inspectorOptions = defaultInspectorOptions;
} else {
inspectorOptions = {
...defaultInspectorOptions,
...configFileOptions,
...(environmentOptions || {})
};
}
inspectorOptions.__internal = {
base: config.base?.replace(/\/$/, '') || ''
};
},
async resolveId(importee: string, importer, options) {
if (options?.ssr || disabled) {
return;
}
if (importee.startsWith('virtual:svelte-inspector-options')) {
return importee;
} else if (importee.startsWith('virtual:svelte-inspector-path:')) {
const resolved = importee.replace('virtual:svelte-inspector-path:', inspectorPath);
log.debug.enabled &&
log.debug(`resolved ${importee} with ${resolved}`, undefined, 'inspector');
return resolved;
}
},
async load(id, options) {
if (options?.ssr || disabled) {
return;
}
if (id === 'virtual:svelte-inspector-options') {
return `export default ${JSON.stringify(inspectorOptions ?? {})}`;
} else if (id.startsWith(inspectorPath)) {
// read file ourselves to avoid getting shut out by vites fs.allow check
const file = idToFile(id);
if (fs.existsSync(file)) {
return await fs.promises.readFile(file, 'utf-8');
} else {
log.error(
`failed to find file for svelte-inspector: ${file}, referenced by id ${id}.`,
undefined,
'inspector'
);
}
}
},
transform(code, id, options) {
if (options?.ssr || disabled) {
return;
}
if (id.includes('vite/dist/client/client.mjs')) {
return { code: `${code}\nimport('virtual:svelte-inspector-path:load-inspector.js')` };
}
}
};
}