import path__default from 'path'; import fs__default from 'fs'; import { g as get_runtime_directory } from './utils.js'; import { p as posixify, c as copy, r as rimraf } from './filesystem.js'; import { fileURLToPath } from 'url'; import { w as write_if_changed, t as trim, a as write, v as valid_identifier, r as reserved, b as write_tsconfig } from './write_tsconfig.js'; import { $ } from './index.js'; import { loadEnv, normalizePath, loadConfigFromFile } from 'vite'; /** * @param typeMap [Object] Map of MIME type -> Array[extensions] * @param ... */ function Mime$1() { this._types = Object.create(null); this._extensions = Object.create(null); for (let i = 0; i < arguments.length; i++) { this.define(arguments[i]); } this.define = this.define.bind(this); this.getType = this.getType.bind(this); this.getExtension = this.getExtension.bind(this); } /** * Define mimetype -> extension mappings. Each key is a mime-type that maps * to an array of extensions associated with the type. The first extension is * used as the default extension for the type. * * e.g. mime.define({'audio/ogg', ['oga', 'ogg', 'spx']}); * * If a type declares an extension that has already been defined, an error will * be thrown. To suppress this error and force the extension to be associated * with the new type, pass `force`=true. Alternatively, you may prefix the * extension with "*" to map the type to extension, without mapping the * extension to the type. * * e.g. mime.define({'audio/wav', ['wav']}, {'audio/x-wav', ['*wav']}); * * * @param map (Object) type definitions * @param force (Boolean) if true, force overriding of existing definitions */ Mime$1.prototype.define = function(typeMap, force) { for (let type in typeMap) { let extensions = typeMap[type].map(function(t) { return t.toLowerCase(); }); type = type.toLowerCase(); for (let i = 0; i < extensions.length; i++) { const ext = extensions[i]; // '*' prefix = not the preferred type for this extension. So fixup the // extension, and skip it. if (ext[0] === '*') { continue; } if (!force && (ext in this._types)) { throw new Error( 'Attempt to change mapping for "' + ext + '" extension from "' + this._types[ext] + '" to "' + type + '". Pass `force=true` to allow this, otherwise remove "' + ext + '" from the list of extensions for "' + type + '".' ); } this._types[ext] = type; } // Use first extension as default if (force || !this._extensions[type]) { const ext = extensions[0]; this._extensions[type] = (ext[0] !== '*') ? ext : ext.substr(1); } } }; /** * Lookup a mime type based on extension */ Mime$1.prototype.getType = function(path) { path = String(path); let last = path.replace(/^.*[/\\]/, '').toLowerCase(); let ext = last.replace(/^.*\./, '').toLowerCase(); let hasPath = last.length < path.length; let hasDot = ext.length < last.length - 1; return (hasDot || !hasPath) && this._types[ext] || null; }; /** * Return file extension associated with a mime type */ Mime$1.prototype.getExtension = function(type) { type = /^\s*([^;\s]*)/.test(type) && RegExp.$1; return type && this._extensions[type.toLowerCase()] || null; }; var Mime_1 = Mime$1; var standard = 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Params and matcher names can only have underscores and alphanumeric characters.` ); } const [, rest, name, type] = match; names.push(name); types.push(type); return rest ? '(.*?)' : '([^/]+?)'; } if (is_last && content.includes('.')) add_trailing_slash = false; return ( content // allow users to specify characters on the file system in an encoded manner .normalize() // We use [ and ] to denote parameters, so users must encode these on the file // system to match against them. 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'/?' : ''}$` ); return { pattern, names, types }; } /** * A portion of a file or directory name where the name has been split into * static and dynamic parts * @typedef {{ * content: string; * dynamic: boolean; * rest: boolean; * type: string | null; * }} Part */ /** * A route, consisting of an endpoint module and/or an array of components * (n layouts and one leaf) for successful navigations and an array of * n error components to render if navigation fails * @typedef {{ * id: string; * pattern: RegExp; * segments: Part[][]; * page?: { * a: Array; * b: Array; * }; * endpoint?: string; * }} Unit */ /** * @typedef {{ * error: string | undefined; * layouts: Record * }} Node */ /** * @typedef {Map} Tree */ const layout_pattern = /^__layout(?:-([a-zA-Z0-9_-]+))?(?:@([a-zA-Z0-9_-]+))?$/; const dunder_pattern = /(^|\/)__(?!tests?__)/; // forbid __-prefixed files/directories except __error, __layout[-...], __test__, __tests__ const DEFAULT = 'default'; /** * @param {{ * config: import('types').ValidatedConfig; * fallback?: string; * cwd?: string; * }} opts * @returns {import('types').ManifestData} */ function create_manifest_data({ config, fallback = `${get_runtime_directory(config.kit)}/components`, cwd = process.cwd() }) { /** @type {import('types').RouteData[]} */ const routes = []; /** @type {Map} */ const units = new Map(); /** @type {Tree} */ const tree = new Map(); const default_layout = { file: posixify(path__default.relative(cwd, `${fallback}/layout.svelte`)), name: DEFAULT }; // set default root layout/error tree.set('', { error: posixify(path__default.relative(cwd, `${fallback}/error.svelte`)), layouts: { [DEFAULT]: default_layout } }); const routes_base = posixify(path__default.relative(cwd, config.kit.files.routes)); const valid_extensions = [...config.extensions, ...config.kit.moduleExtensions]; if (fs__default.existsSync(config.kit.files.routes)) { list_files(config.kit.files.routes).forEach((file) => { const extension = valid_extensions.find((ext) => file.endsWith(ext)); if (!extension) return; const id = file .slice(0, -extension.length) .replace(/(?:^|\/)index((?:@[a-zA-Z0-9_-]+)?(?:\.[a-z]+)?)?$/, '$1'); const project_relative = `${routes_base}/${file}`; const segments = id.split('/'); const name = /** @type {string} */ (segments.pop()); if (name === '__layout.reset') { throw new Error( '__layout.reset has been removed in favour of named layouts: https://kit.svelte.dev/docs/layouts#named-layouts' ); } if (name === '__error' || layout_pattern.test(name)) { const dir = segments.join('/'); if (!tree.has(dir)) { tree.set(dir, { error: undefined, layouts: {} }); } const group = /** @type {Node} */ (tree.get(dir)); if (name === '__error') { group.error = project_relative; } else { const match = /** @type {RegExpMatchArray} */ (layout_pattern.exec(name)); if (match[1] === DEFAULT) { throw new Error(`${project_relative} cannot use reserved "${DEFAULT}" name`); } const layout_id = match[1] || DEFAULT; const defined = group.layouts[layout_id]; if (defined && defined !== default_layout) { throw new Error( `Duplicate layout ${project_relative} already defined at ${defined.file}` ); } group.layouts[layout_id] = { file: project_relative, name }; } return; } else if (dunder_pattern.test(file)) { throw new Error( `Files and directories prefixed with __ are reserved (saw ${project_relative})` ); } if (!config.kit.routes(file)) return; if (/\]\[/.test(id)) { throw new Error(`Invalid route ${project_relative} — parameters must be separated`); } if (count_occurrences('[', id) !== count_occurrences(']', id)) { throw new Error(`Invalid route ${project_relative} — brackets are unbalanced`); } if (!units.has(id)) { units.set(id, { id, pattern: parse_route_id(id).pattern, segments: id .split('/') .filter(Boolean) .map((segment) => { /** @type {Part[]} */ const parts = []; segment.split(/\[(.+?)\]/).map((content, i) => { const dynamic = !!(i % 2); if (!content) return; parts.push({ content, dynamic, rest: dynamic && content.startsWith('...'), type: (dynamic && content.split('=')[1]) || null }); }); return parts; }), page: undefined, endpoint: undefined }); } const unit = /** @type {Unit} */ (units.get(id)); if (config.extensions.find((ext) => file.endsWith(ext))) { const { layouts, errors } = trace(project_relative, file, tree, config.extensions); unit.page = { a: layouts.concat(project_relative), b: errors }; } else { unit.endpoint = project_relative; } }); } /** @type {string[]} */ const components = []; tree.forEach(({ layouts, error }) => { // we do [default, error, ...other_layouts] so that components[0] and [1] // are the root layout/error. kinda janky, there's probably a nicer way if (layouts[DEFAULT]) { components.push(layouts[DEFAULT].file); } if (error) { components.push(error); } for (const id in layouts) { if (id !== DEFAULT) components.push(layouts[id].file); } }); units.forEach((unit) => { if (unit.page) { const leaf = /** @type {string} */ (unit.page.a[unit.page.a.length - 1]); components.push(leaf); } }); Array.from(units.values()) .sort(compare) .forEach((unit) => { // TODO when we introduce layout endpoints and scoped middlewares, we // will probably want to have a single unified route type here // (created in the list_files(...).forEach(...) callback) if (unit.page) { routes.push({ type: 'page', id: unit.id, pattern: unit.pattern, path: unit.id.includes('[') ? '' : `/${unit.id.replace(/@(?:[a-zA-Z0-9_-]+)/g, '')}`, shadow: unit.endpoint || null, a: unit.page.a, b: unit.page.b }); } else if (unit.endpoint) { routes.push({ type: 'endpoint', id: unit.id, pattern: unit.pattern, file: unit.endpoint }); } }); /** @type {import('types').Asset[]} */ const assets = fs__default.existsSync(config.kit.files.assets) ? list_files(config.kit.files.assets).map((file) => ({ file, size: fs__default.statSync(`${config.kit.files.assets}/${file}`).size, type: mime.getType(file) })) : []; const params_base = path__default.relative(cwd, config.kit.files.params); /** @type {Record} */ const matchers = {}; if (fs__default.existsSync(config.kit.files.params)) { for (const file of fs__default.readdirSync(config.kit.files.params)) { const ext = path__default.extname(file); if (!config.kit.moduleExtensions.includes(ext)) continue; const type = file.slice(0, -ext.length); if (/^\w+$/.test(type)) { const matcher_file = path__default.join(params_base, file); // Disallow same matcher with different extensions if (matchers[type]) { throw new Error(`Duplicate matchers: ${matcher_file} and ${matchers[type]}`); } else { matchers[type] = matcher_file; } } else { throw new Error( `Matcher names can only have underscores and alphanumeric characters — "${file}" is invalid` ); } } } return { assets, components, routes, matchers }; } /** * @param {string} file * @param {string} path * @param {Tree} tree * @param {string[]} extensions */ function trace(file, path, tree, extensions) { /** @type {Array} */ const layouts = []; /** @type {Array} */ const errors = []; const parts = path.split('/'); const filename = /** @type {string} */ (parts.pop()); const extension = /** @type {string} */ (extensions.find((ext) => path.endsWith(ext))); const base = filename.slice(0, -extension.length); let layout_id = base.includes('@') ? base.split('@')[1] : DEFAULT; if (parts.findIndex((part) => part.indexOf('@') > -1) > -1) { throw new Error(`Invalid route ${file} - named layouts are not allowed in directories`); } // walk up the tree, find which __layout and __error components // apply to this page while (true) { const node = tree.get(parts.join('/')); const layout = node?.layouts[layout_id]; if (layout?.file && layouts.indexOf(layout.file) > -1) { throw new Error(`Recursive layout detected: ${layout.file} -> ${layouts.join(' -> ')}`); } // any segment that has neither a __layout nor an __error can be discarded. // in other words these... // layouts: [a, , b, c] // errors: [d, , e, ] // // ...can be compacted to these: // layouts: [a, b, c] // errors: [d, e, ] if (node?.error || layout?.file) { errors.unshift(node?.error); layouts.unshift(layout?.file); } if (layout?.name.includes('@')) { layout_id = layout.name.split('@')[1]; } else { if (layout) layout_id = DEFAULT; if (parts.length === 0) break; parts.pop(); } } if (layout_id !== DEFAULT) { throw new Error(`${file} references missing layout "${layout_id}"`); } // trim empty space off the end of the errors array let i = errors.length; while (i--) if (errors[i]) break; errors.length = i + 1; return { layouts, errors }; } /** * @param {Unit} a * @param {Unit} b */ function compare(a, b) { const max_segments = Math.max(a.segments.length, b.segments.length); for (let i = 0; i < max_segments; i += 1) { const sa = a.segments[i]; const sb = b.segments[i]; // /x < /x/y, but /[...x]/y < /[...x] if (!sa) return a.id.includes('[...') ? +1 : -1; if (!sb) return b.id.includes('[...') ? -1 : +1; const max_parts = Math.max(sa.length, sb.length); for (let i = 0; i < max_parts; i += 1) { const pa = sa[i]; const pb = sb[i]; // xy < x[y], but [x].json < [x] if (pa === undefined) return pb.dynamic ? -1 : +1; if (pb === undefined) return pa.dynamic ? +1 : -1; // x < [x] if (pa.dynamic !== pb.dynamic) { return pa.dynamic ? +1 : -1; } if (pa.dynamic) { // [x] < [...x] if (pa.rest !== pb.rest) { return pa.rest ? +1 : -1; } // [x=type] < [x] if (!!pa.type !== !!pb.type) { return pa.type ? -1 : +1; } } } } const a_is_endpoint = !a.page && a.endpoint; const b_is_endpoint = !b.page && b.endpoint; if (a_is_endpoint !== b_is_endpoint) { return a_is_endpoint ? -1 : +1; } return a < b ? -1 : 1; } /** * @param {string} needle * @param {string} haystack */ function count_occurrences(needle, haystack) { let count = 0; for (let i = 0; i < haystack.length; i += 1) { if (haystack[i] === needle) count += 1; } return count; } /** * @param {string} dir * @param {string} [path] * @param {string[]} [files] */ function list_files(dir, path = '', files = []) { fs__default.readdirSync(dir) .sort((a, b) => { // sort each directory in (__layout, __error, everything else) order // so that we can trace layouts/errors immediately if (a.startsWith('__layout')) { if (!b.startsWith('__layout')) return -1; } else if (b.startsWith('__layout')) { return 1; } else if (a.startsWith('__')) { if (!b.startsWith('__')) return -1; } else if (b.startsWith('__')) { return 1; } return a < b ? -1 : 1; }) .forEach((file) => { const full = `${dir}/${file}`; const stats = fs__default.statSync(full); const joined = path ? `${path}/${file}` : file; if (stats.isDirectory()) { list_files(full, joined, files); } else { files.push(joined); } }); return files; } const filename = fileURLToPath(import.meta.url); const dirname = path__default.dirname(filename); /** @param {string} dest */ function copy_assets(dest) { let prefix = '..'; do { // we jump through these hoops so that this function // works whether or not it's been bundled const resolved = path__default.resolve(dirname, `${prefix}/assets`); if (fs__default.existsSync(resolved)) { copy(resolved, dest); return; } prefix = `../${prefix}`; } while (true); } const s = JSON.stringify; /** * Writes the client manifest to disk. The manifest is used to power the router. It contains the * list of routes and corresponding Svelte components (i.e. pages and layouts). * @param {import('types').ManifestData} manifest_data * @param {string} base * @param {string} output */ function write_manifest(manifest_data, base, output) { /** @type {Record} */ const component_indexes = {}; /** @param {string} c */ const get_path = (c) => path__default.relative(base, c); const components = `[ ${manifest_data.components .map((component, i) => { component_indexes[component] = i; return `() => import(${s(get_path(component))})`; }) .join(',\n\t\t\t\t\t')} ]`.replace(/^\t/gm, ''); /** @param {Array} parts */ const get_indices = (parts) => `[${parts.map((part) => (part ? component_indexes[part] : '')).join(', ')}]`; const dictionary = `{ ${manifest_data.routes .map((route) => { if (route.type === 'page') { const tuple = [get_indices(route.a), get_indices(route.b)]; if (route.shadow) tuple.push('1'); return `${s(route.id)}: [${tuple.join(', ')}]`; } }) .filter(Boolean) .join(',\n\t\t')} }`.replace(/^\t/gm, ''); write_if_changed( `${output}/client-manifest.js`, trim(` export { matchers } from './client-matchers.js'; export const components = ${components}; export const dictionary = ${dictionary}; `) ); } /** * @param {import('types').ManifestData} manifest_data * @param {string} output */ function write_matchers(manifest_data, output) { const imports = []; const matchers = []; for (const key in manifest_data.matchers) { const src = manifest_data.matchers[key]; imports.push(`import { match as ${key} } from ${s(path__default.relative(output, src))};`); matchers.push(key); } const module = imports.length ? `${imports.join('\n')}\n\nexport const matchers = { ${matchers.join(', ')} };` : 'export const matchers = {};'; write_if_changed(`${output}/client-matchers.js`, module); } /** * @param {import('types').ManifestData} manifest_data * @param {string} output */ function write_root(manifest_data, output) { // TODO remove default layout altogether const max_depth = Math.max( ...manifest_data.routes.map((route) => route.type === 'page' ? route.a.filter(Boolean).length : 0 ), 1 ); const levels = []; for (let i = 0; i <= max_depth; i += 1) { levels.push(i); } let l = max_depth; let pyramid = ``; while (l--) { pyramid = ` {#if components[${l + 1}]} ${pyramid.replace(/\n/g, '\n\t\t\t\t\t')} {:else} {/if} ` .replace(/^\t\t\t/gm, '') .trim(); } write_if_changed( `${output}/root.svelte`, trim(` ${pyramid.replace(/\n/g, '\n\t\t\t')} {#if mounted}
{#if navigated} {title} {/if}
{/if} `) ); } /** @param {string} imports */ const header = (imports) => ` // this file is auto-generated import type { ${imports} } from '@sveltejs/kit';`; /** @param {string} arg */ const endpoint = (arg) => ` export type RequestHandler = GenericRequestHandler<${arg}, Output>;`; /** @param {string} arg */ const page = (arg) => ` export type Load< InputProps extends Record = Record, OutputProps extends Record = InputProps > = GenericLoad<${arg}, InputProps, OutputProps>;`; /** * @param {import('types').ValidatedConfig} config * @param {import('types').ManifestData} manifest_data */ function write_types(config, manifest_data) { rimraf(`${config.kit.outDir}/types`); /** @type {Map} */ const shadow_types = new Map(); manifest_data.routes.forEach((route) => { const file = route.type === 'endpoint' ? route.file : route.shadow; if (file) { const ext = /** @type {string} */ ( config.kit.moduleExtensions.find((ext) => file.endsWith(ext)) ); const key = file.slice(0, -ext.length); shadow_types.set(key, { params: parse_route_id(key).names, type: route.type === 'endpoint' ? 'endpoint' : 'both' }); } }); manifest_data.components.forEach((component) => { if (component.startsWith('.')) return; // exclude fallback components const ext = /** @type {string} */ (config.extensions.find((ext) => component.endsWith(ext))); const key = component.slice(0, -ext.length); if (!shadow_types.has(key)) { shadow_types.set(key, { params: parse_route_id(key).names, type: 'page' }); } }); shadow_types.forEach(({ params, type }, key) => { const arg = params.length > 0 ? `{ ${params.map((param) => `${param}: string`).join('; ')} }` : '{}'; const imports = []; const content = []; if (type !== 'page') { imports.push('RequestHandler as GenericRequestHandler, ResponseBody'); content.push(endpoint(arg)); } if (type !== 'endpoint') { imports.push('Load as GenericLoad'); content.push(page(arg)); } content.unshift(header(imports.join(', '))); const parts = (key || 'index').split('/'); parts.push('__types', /** @type {string} */ (parts.pop())); write(`${config.kit.outDir}/types/${parts.join('/')}.d.ts`, content.join('\n').trim()); }); } /** * @param {import('vite').ResolvedConfig} config * @param {import('vite').ConfigEnv} config_env * @return {Promise} */ async function get_vite_config(config, config_env) { const loaded = await loadConfigFromFile( config_env, config.configFile, undefined, config.logLevel ); if (!loaded) { throw new Error('Could not load Vite config'); } return { ...loaded.config, mode: config_env.mode }; } /** * @param {...import('vite').UserConfig} configs * @returns {import('vite').UserConfig} */ function merge_vite_configs(...configs) { return deep_merge( ...configs.map((config) => ({ ...config, resolve: { ...config.resolve, alias: normalize_alias(config.resolve?.alias || {}) } })) ); } /** * Takes zero or more objects and returns a new object that has all the values * deeply merged together. None of the original objects will be mutated at any * level, and the returned object will have no references to the original * objects at any depth. If there's a conflict the last one wins, except for * arrays which will be combined. * @param {...Object} objects * @returns {Record} the merged object */ function deep_merge(...objects) { const result = {}; /** @type {string[]} */ objects.forEach((o) => merge_into(result, o)); return result; } /** * normalize kit.vite.resolve.alias as an array * @param {import('vite').AliasOptions} o * @returns {import('vite').Alias[]} */ function normalize_alias(o) { if (Array.isArray(o)) return o; return Object.entries(o).map(([find, replacement]) => ({ find, replacement })); } /** * Merges b into a, recursively, mutating a. * @param {Record} a * @param {Record} b */ function merge_into(a, b) { /** * Checks for "plain old Javascript object", typically made as an object * literal. Excludes Arrays and built-in types like Buffer. * @param {any} x */ const is_plain_object = (x) => typeof x === 'object' && x.constructor === Object; for (const prop in b) { if (is_plain_object(b[prop])) { if (!is_plain_object(a[prop])) { a[prop] = {}; } merge_into(a[prop], b[prop]); } else if (Array.isArray(b[prop])) { if (!Array.isArray(a[prop])) { a[prop] = []; } a[prop].push(...b[prop]); } else { a[prop] = b[prop]; } } } /** * Transforms kit.alias to a valid vite.resolve.alias array. * Related to tsconfig path alias creation. * * @param {import('types').ValidatedKitConfig} config * */ function get_aliases(config) { /** @type {import('vite').Alias[]} */ const alias = [ { find: '__GENERATED__', replacement: path__default.posix.join(config.outDir, 'generated') }, { find: '$app', replacement: `${get_runtime_directory(config)}/app` }, // For now, we handle `$lib` specially here rather than make it a default value for // `config.kit.alias` since it has special meaning for packaging, etc. { find: '$lib', replacement: config.files.lib } ]; for (let [key, value] of Object.entries(config.alias)) { if (value.endsWith('/*')) { value = value.slice(0, -2); } if (key.endsWith('/*')) { // Doing just `{ find: key.slice(0, -2) ,..}` would mean `import .. from "key"` would also be matched, which we don't want alias.push({ find: new RegExp(`^${key.slice(0, -2)}\\/(.+)$`), replacement: `${path__default.resolve(value)}/$1` }); } else if (key + '/*' in config.alias) { // key and key/* both exist -> the replacement for key needs to happen _only_ on import .. from "key" alias.push({ find: new RegExp(`^${key}$`), replacement: path__default.resolve(value) }); } else { alias.push({ find: key, replacement: path__default.resolve(value) }); } } alias.push({ find: '$env', replacement: `${get_runtime_directory(config)}/env` }); return alias; } /** * Given an entry point like [cwd]/src/hooks, returns a filename like [cwd]/src/hooks.js or [cwd]/src/hooks/index.js * @param {string} entry * @returns {string|null} */ function resolve_entry(entry) { if (fs__default.existsSync(entry)) { const stats = fs__default.statSync(entry); if (stats.isDirectory()) { return resolve_entry(path__default.join(entry, 'index')); } return entry; } else { const dir = path__default.dirname(entry); if (fs__default.existsSync(dir)) { const base = path__default.basename(entry); const files = fs__default.readdirSync(dir); const found = files.find((file) => file.replace(/\.[^.]+$/, '') === base); if (found) return path__default.join(dir, found); } } return null; } /** * @param {string} str * @param {number} times */ function repeat(str, times) { return new Array(times + 1).join(str); } /** * Create a formatted error for an illegal import. * @param {Array<{name: string, dynamic: boolean}>} stack * @param {string} out_dir The directory specified by config.kit.outDir */ function format_illegal_import_chain(stack, out_dir) { const app = path__default.join(out_dir, 'runtime/env'); stack = stack.map((file) => { if (file.name.startsWith(app)) return { ...file, name: file.name.replace(app, '$env') }; return { ...file, name: path__default.relative(process.cwd(), file.name) }; }); const pyramid = stack .map( (file, i) => `${repeat(' ', i * 2)}- ${file.name} ${ file.dynamic ? '(imported by parent dynamically)' : '' }` ) .join('\n'); return `Cannot import ${stack.at(-1)?.name} into client-side code:\n${pyramid}`; } /** * Load environment variables from process.env and .env files * @param {string} mode * @param {string} prefix */ function get_env(mode, prefix) { const entries = Object.entries(loadEnv(mode, process.cwd(), '')); return { public: Object.fromEntries(entries.filter(([k]) => k.startsWith(prefix))), private: Object.fromEntries(entries.filter(([k]) => !k.startsWith(prefix))) }; } /** * @param {(id: string) => import('rollup').ModuleInfo | null} node_getter * @param {import('rollup').ModuleInfo} node * @param {Set} illegal_imports Illegal module IDs -- be sure to call vite.normalizePath! * @param {string} out_dir The directory specified by config.kit.outDir */ function prevent_illegal_rollup_imports(node_getter, node, illegal_imports, out_dir) { const chain = find_illegal_rollup_imports(node_getter, node, false, illegal_imports); if (chain) throw new Error(format_illegal_import_chain(chain, out_dir)); } /** * @param {(id: string) => import('rollup').ModuleInfo | null} node_getter * @param {import('rollup').ModuleInfo} node * @param {boolean} dynamic * @param {Set} illegal_imports Illegal module IDs -- be sure to call vite.normalizePath! * @param {Set} seen * @returns {Array | null} */ const find_illegal_rollup_imports = ( node_getter, node, dynamic, illegal_imports, seen = new Set() ) => { const name = normalizePath(node.id); if (seen.has(name)) return null; seen.add(name); if (illegal_imports.has(name)) { return [{ name, dynamic }]; } for (const id of node.importedIds) { const child = node_getter(id); const chain = child && find_illegal_rollup_imports(node_getter, child, false, illegal_imports, seen); if (chain) return [{ name, dynamic }, ...chain]; } for (const id of node.dynamicallyImportedIds) { const child = node_getter(id); const chain = child && find_illegal_rollup_imports(node_getter, child, true, illegal_imports, seen); if (chain) return [{ name, dynamic }, ...chain]; } return null; }; /** * Vite does some weird things with import trees in dev * for example, a Tailwind app.css will appear to import * every file in the project. This isn't a problem for * Rollup during build. * @param {Iterable} config_module_types */ const get_module_types = (config_module_types) => { return new Set([ '.ts', '.js', '.svelte', '.mts', '.mjs', '.cts', '.cjs', '.svelte.md', '.svx', '.md', ...config_module_types ]); }; /** * Throw an error if a private module is imported from a client-side node. * @param {import('vite').ModuleNode} node * @param {Set} illegal_imports Illegal module IDs -- be sure to call vite.normalizePath! * @param {Iterable} module_types File extensions to analyze in addition to the defaults: `.ts`, `.js`, etc. * @param {string} out_dir The directory specified by config.kit.outDir */ function prevent_illegal_vite_imports(node, illegal_imports, module_types, out_dir) { const chain = find_illegal_vite_imports(node, illegal_imports, get_module_types(module_types)); if (chain) throw new Error(format_illegal_import_chain(chain, out_dir)); } /** * @param {import('vite').ModuleNode} node * @param {Set} illegal_imports Illegal module IDs -- be sure to call vite.normalizePath! * @param {Set} module_types File extensions to analyze: `.ts`, `.js`, etc. * @param {Set} seen * @returns {Array | null} */ function find_illegal_vite_imports(node, illegal_imports, module_types, seen = new Set()) { if (!node.id) return null; // TODO when does this happen? const name = normalizePath(node.id); if (seen.has(name) || !module_types.has(path__default.extname(name))) return null; seen.add(name); if (name && illegal_imports.has(name)) { return [{ name, dynamic: false }]; } for (const child of node.importedModules) { const chain = child && find_illegal_vite_imports(child, illegal_imports, module_types, seen); if (chain) return [{ name, dynamic: false }, ...chain]; } return null; } const autogen_comment = '// this file is generated — do not edit it\n'; const types_reference = '/// \n\n'; /** * Writes ambient declarations including types reference to @sveltejs/kit, * and the existing environment variables in process.env to * $env/static/private and $env/static/public * @param {import('types').ValidatedKitConfig} config * @param {string} mode The Vite mode */ function write_ambient(config, mode) { const env = get_env(mode, config.env.publicPrefix); // TODO when testing src, `$app` points at `src/runtime/app`... will // probably need to fiddle with aliases write_if_changed( path__default.join(config.outDir, 'runtime/env/static/public.js'), create_env_module('$env/static/public', env.public) ); write_if_changed( path__default.join(config.outDir, 'runtime/env/static/private.js'), create_env_module('$env/static/private', env.private) ); write_if_changed( path__default.join(config.outDir, 'ambient.d.ts'), autogen_comment + types_reference + create_env_types('$env/static/public', env.public) + '\n\n' + create_env_types('$env/static/private', env.private) ); } /** * @param {string} id * @param {Record} env * @returns {string} */ function create_env_module(id, env) { /** @type {string[]} */ const declarations = []; for (const key in env) { const warning = !valid_identifier.test(key) ? 'not a valid identifier' : reserved.has(key) ? 'a reserved word' : null; if (warning) { console.error( $ .bold() .yellow(`Omitting environment variable "${key}" from ${id} as it is ${warning}`) ); continue; } const comment = `/** @type {import('${id}').${key}} */`; const declaration = `export const ${key} = ${JSON.stringify(env[key])};`; declarations.push(`${comment}\n${declaration}`); } return autogen_comment + declarations.join('\n\n'); } /** * @param {string} id * @param {Record} env * @returns {string} */ function create_env_types(id, env) { const declarations = Object.keys(env) .filter((k) => valid_identifier.test(k)) .map((k) => `\texport const ${k}: string;`) .join('\n'); return `declare module '${id}' {\n${declarations}\n}`; } /** * Initialize SvelteKit's generated files. * @param {import('types').ValidatedConfig} config * @param {string} mode */ function init(config, mode) { copy_assets(path__default.join(config.kit.outDir, 'runtime')); write_tsconfig(config.kit); write_ambient(config.kit, mode); } /** * Update SvelteKit's generated files. * @param {import('types').ValidatedConfig} config */ function update(config) { const manifest_data = create_manifest_data({ config }); const output = path__default.join(config.kit.outDir, 'generated'); const base = path__default.relative('.', output); write_manifest(manifest_data, base, output); write_root(manifest_data, output); write_matchers(manifest_data, output); write_types(config, manifest_data); return { manifest_data }; } /** * Run sync.init and sync.update in series, returning the result from sync.update. * @param {import('types').ValidatedConfig} config * @param {string} mode The Vite mode */ function all(config, mode) { init(config, mode); return update(config); } var sync = /*#__PURE__*/Object.freeze({ __proto__: null, init: init, update: update, all: all }); export { get_vite_config as a, get_env as b, parse_route_id as c, all as d, prevent_illegal_rollup_imports as e, sync as f, get_aliases as g, init as i, merge_vite_configs as m, prevent_illegal_vite_imports as p, resolve_entry as r, s, update as u };