mirror of
https://github.com/nuxt/nuxt.git
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92 lines
3.2 KiB
TypeScript
92 lines
3.2 KiB
TypeScript
import { existsSync } from 'node:fs'
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import type { JSValue } from 'untyped'
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import { applyDefaults } from 'untyped'
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import type { ConfigLayer, ConfigLayerMeta, LoadConfigOptions } from 'c12'
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import { loadConfig } from 'c12'
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import type { NuxtConfig, NuxtOptions } from '@nuxt/schema'
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import { NuxtConfigSchema } from '@nuxt/schema'
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import { globby } from 'globby'
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import defu from 'defu'
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import { join } from 'pathe'
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export interface LoadNuxtConfigOptions extends Omit<LoadConfigOptions<NuxtConfig>, 'overrides'> {
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// eslint-disable-next-line @typescript-eslint/no-unsafe-function-type
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overrides?: Exclude<LoadConfigOptions<NuxtConfig>['overrides'], Promise<any> | Function>
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}
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const layerSchemaKeys = ['future', 'srcDir', 'rootDir', 'serverDir', 'dir']
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const layerSchema = Object.create(null)
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for (const key of layerSchemaKeys) {
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if (key in NuxtConfigSchema) {
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layerSchema[key] = NuxtConfigSchema[key]
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}
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}
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export async function loadNuxtConfig (opts: LoadNuxtConfigOptions): Promise<NuxtOptions> {
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// Automatically detect and import layers from `~~/layers/` directory
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opts.overrides = defu(opts.overrides, {
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_extends: await globby('layers/*', {
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onlyDirectories: true,
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cwd: opts.cwd || process.cwd(),
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}),
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});
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(globalThis as any).defineNuxtConfig = (c: any) => c
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const result = await loadConfig<NuxtConfig>({
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name: 'nuxt',
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configFile: 'nuxt.config',
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rcFile: '.nuxtrc',
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extend: { extendKey: ['theme', 'extends', '_extends'] },
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dotenv: true,
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globalRc: true,
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...opts,
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})
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delete (globalThis as any).defineNuxtConfig
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const { configFile, layers = [], cwd } = result
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const nuxtConfig = result.config!
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// Fill config
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nuxtConfig.rootDir = nuxtConfig.rootDir || cwd
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nuxtConfig._nuxtConfigFile = configFile
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nuxtConfig._nuxtConfigFiles = [configFile]
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const defaultBuildDir = join(nuxtConfig.rootDir!, '.nuxt')
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if (!opts.overrides?._prepare && !nuxtConfig.dev && !nuxtConfig.buildDir && nuxtConfig.future?.compatibilityVersion === 4 && existsSync(defaultBuildDir)) {
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nuxtConfig.buildDir = join(nuxtConfig.rootDir!, 'node_modules/.cache/nuxt/.nuxt')
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}
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const _layers: ConfigLayer<NuxtConfig, ConfigLayerMeta>[] = []
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const processedLayers = new Set<string>()
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for (const layer of layers) {
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// Resolve `rootDir` & `srcDir` of layers
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layer.config ||= {}
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layer.config.rootDir = layer.config.rootDir ?? layer.cwd!
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// Only process/resolve layers once
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if (processedLayers.has(layer.config.rootDir)) { continue }
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processedLayers.add(layer.config.rootDir)
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// Normalise layer directories
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layer.config = await applyDefaults(layerSchema, layer.config as NuxtConfig & Record<string, JSValue>) as unknown as NuxtConfig
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// Filter layers
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if (!layer.configFile || layer.configFile.endsWith('.nuxtrc')) { continue }
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_layers.push(layer)
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}
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;(nuxtConfig as any)._layers = _layers
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// Ensure at least one layer remains (without nuxt.config)
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if (!_layers.length) {
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_layers.push({
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cwd,
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config: {
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rootDir: cwd,
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srcDir: cwd,
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},
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})
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}
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// Resolve and apply defaults
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return await applyDefaults(NuxtConfigSchema, nuxtConfig as NuxtConfig & Record<string, JSValue>) as unknown as NuxtOptions
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}
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