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Vite Hot Module Replacement API

HMR-related plugin capabilities

Vite Hot Module Replacement API is one of 2 APIs that Vite publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include Hot Module Replacement. The published artifact set on APIs.io includes an OpenAPI specification and API documentation.

This API exposes 2 operations across 2 paths, and defines 2 schemas. It is described by OpenAPI 3.1.0, at version 6.0.0.

Requests are made against 2 base URLs: http://localhost:5173, http://localhost:4173.

2 operations 2 paths 2 schemas 2 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.1.0
API Version
6.0.0
Servers
http://localhost:5173
http://localhost:4173
Contact
License
Resource Areas
1

Paths & Operations 2

Across 2 paths, the API surfaces 2 operations — 2 POST. Each is listed below with its method, path, parameters, and response codes.

Hot Module Replacement 2

HMR-related plugin capabilities

POST
/__hmr/update
Trigger HMR Update
triggerHmrUpdate body → 200
POST
/__hmr/full-reload
Trigger Full Page Reload
triggerFullReload → 200

Schemas 2

The contract defines 2 schemas that model the data the API accepts and returns. The most detailed are ModuleUpdate (4 properties), HmrUpdate (2 properties). Each schema is shown below with its type and property counts.

ModuleUpdate
object
Individual module update in an HMR payload.
4 properties 3 required
HmrUpdate
object
HMR update payload sent from the server to the browser client.
2 properties 2 required

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

vite-hot-module-replacement-api-openapi.yml Raw ↑

Other APIs Vite publishes across the network.

Vite Dev Server API
Where this information came from

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