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fix: prevent vite from crashing where there are no support files or specs found #17624

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Aug 6, 2021
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4 changes: 3 additions & 1 deletion npm/vite-dev-server/src/startServer.ts
Original file line number Diff line number Diff line change
Expand Up @@ -59,7 +59,9 @@ const resolveServerConfig = async ({ viteConfig, options }: StartDevServerOption
// Ask vite to pre-optimize all dependencies of the specs
finalConfig.optimizeDeps = finalConfig.optimizeDeps || {}

finalConfig.optimizeDeps.entries = [...options.specs.map((spec) => spec.relative), supportFile]
if ((options.specs && options.specs.length) || supportFile) {
finalConfig.optimizeDeps.entries = [...options.specs.map((spec) => spec.relative), supportFile]
}

debug(`the resolved server config is ${JSON.stringify(finalConfig, null, 2)}`)

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