# vercel/edge-runtime

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906 stars · 88 forks · TypeScript · MIT

## Links

- GitHub: https://github.com/vercel/edge-runtime
- Homepage: https://edge-runtime.vercel.app
- awesome-repositories: https://awesome-repositories.com/repository/vercel-edge-runtime.md

## Description

Edge Runtime is a lightweight JavaScript and WebAssembly execution engine designed for running serverless functions and web APIs at the network edge. It functions as an isolated execution environment that processes application logic close to end users, implementing standard browser and web interfaces such as Fetch, Request, and Response for serverless computing.

The engine utilizes V8 isolate sandboxing with separate memory spaces to securely run untrusted worker code alongside resource governors that limit heap allocation and CPU time per execution. It features a modular API layer mapping standard interfaces to system primitives, a local harness that simulates edge network constraints, and an initialization protocol that spins up isolated script contexts instantly upon request arrival.

## Tags

### DevOps & Infrastructure

- [Edge Function Runtimes](https://awesome-repositories.com/f/devops-infrastructure/cloud-infrastructure/cloud-computing-serverless/serverless-execution-environments/serverless-computing/edge-function-runtimes.md) — Serves as an isolated execution engine that runs application logic close to end users for low-latency web applications.
- [Edge Function Development](https://awesome-repositories.com/f/devops-infrastructure/cloud-infrastructure/cloud-computing-serverless/serverless-execution-environments/serverless-computing/edge-function-runtimes/edge-function-development.md) — Supports building serverless application logic using standard web APIs for distributed edge environments.
- [Edge Web](https://awesome-repositories.com/f/devops-infrastructure/server-deployments/edge-web.md) — Executes standard web APIs and application logic in distributed edge environments close to end users. ([source](https://github.com/vercel/edge-runtime#readme))
- [Distributed Edge Compute Platforms](https://awesome-repositories.com/f/devops-infrastructure/cloud-infrastructure/cloud-computing-serverless/edge-computing-platforms/distributed-edge-compute-platforms.md) — Validates code locally against specific constraints and standards of distributed edge runtime platforms before deployment.

### Hardware & IoT

- [Edge Computing Runtimes](https://awesome-repositories.com/f/hardware-iot/edge-computing-runtimes.md) — Acts as a lightweight JavaScript and WebAssembly runtime designed for executing serverless functions and web APIs at the network edge.

### Security & Cryptography

- [Isolated Execution Sandboxes](https://awesome-repositories.com/f/security-cryptography/application-and-system-security/sandbox-and-isolation/isolated-execution-sandboxes.md) — Isolates execution environments using separate memory spaces in V8 to securely run untrusted worker code with minimal overhead.

### Web Development

- [Web Environment Abstractions](https://awesome-repositories.com/f/web-development/api-abstraction-layers/web-environment-abstractions.md) — Provides a development environment implementing standard web APIs like Fetch, Request, and Response for distributed serverless computing.
- [Web-Standard APIs](https://awesome-repositories.com/f/web-development/web-standards/web-standard-apis.md) — Maps standard browser interfaces to underlying system primitives through a modular API layer for consistent server-side execution.

### Development Tools & Productivity

- [Local Emulation Environments](https://awesome-repositories.com/f/development-tools-productivity/local-emulation-environments.md) — Simulates edge network constraints and distributed runtime behaviors locally to validate serverless application code before deployment.

### Programming Languages & Runtimes

- [Instant Context Initializations](https://awesome-repositories.com/f/programming-languages-runtimes/compiler-interpreter-internals/compiler-infrastructure/intermediate-representations/bytecode/precompilation/cold-start-optimizations/serverless-warmup-optimizations/instant-context-initializations.md) — Spins up isolated script contexts instantly upon request arrival using a lightweight initialization protocol.

### System Administration & Monitoring

- [Execution Resource Limiters](https://awesome-repositories.com/f/system-administration-monitoring/request-timeouts/per-attempt-timeouts/execution-resource-limiters.md) — Limits heap allocation and CPU time per execution via strict resource governors to prevent runaway resource consumption.