mirror of https://github.com/nuxt/nuxt.git
50 lines
1.2 KiB
TypeScript
50 lines
1.2 KiB
TypeScript
import type { AutoImport } from '@nuxt/schema'
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import escapeRE from 'escape-string-regexp'
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export interface AutoImportContext {
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autoImports: AutoImport[]
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matchRE: RegExp
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transform: {
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exclude: RegExp[]
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}
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map: Map<string, AutoImport>
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}
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export function createAutoImportContext (opts): AutoImportContext {
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return {
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autoImports: [],
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map: new Map(),
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matchRE: /__never__/,
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transform: {
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exclude: opts.transform.exclude || [/node_modules/]
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}
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}
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}
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export function updateAutoImportContext (ctx: AutoImportContext) {
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// Detect duplicates
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const usedNames = new Set()
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for (const autoImport of ctx.autoImports) {
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if (usedNames.has(autoImport.as)) {
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autoImport.disabled = true
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console.warn(`Disabling duplicate auto import '${autoImport.as}' (imported from '${autoImport.from}')`)
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} else {
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usedNames.add(autoImport.as)
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}
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}
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// Filter out disabled auto imports
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ctx.autoImports = ctx.autoImports.filter(i => i.disabled !== true)
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// Create regex
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ctx.matchRE = new RegExp(`\\b(${ctx.autoImports.map(i => escapeRE(i.as)).join('|')})\\b`, 'g')
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// Create map
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ctx.map.clear()
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for (const autoImport of ctx.autoImports) {
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ctx.map.set(autoImport.as, autoImport)
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}
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return ctx
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}
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