require-rspack-bundler-for-faster-persistent-cache

Require future.faster.rspackBundler when rspackPersistentCache is enabled in faster config.

Targeted pattern scope

This rule focuses on docusaurus.config.* files.

It validates the documented dependency between:

rspackPersistentCache: true
rspackBundler: true

inside either:

future.faster
future.experimental_faster

What this rule reports

This rule reports faster config that enables rspackPersistentCache without also enabling rspackBundler.

Why this rule exists

Docusaurus documents Rspack persistent cache as depending on the Rspack bundler.

Enabling persistent cache without the bundler makes the config internally inconsistent.

❌ Incorrect

export default {
    future: {
        faster: {
            rspackPersistentCache: true,
        },
    },
};

✅ Correct

export default {
    future: {
        faster: {
            rspackBundler: true,
            rspackPersistentCache: true,
        },
    },
};

Behavior and migration notes

This rule autofixes the simple static cases it can prove safely by inserting or replacing rspackBundler: true.

When not to use it

Do not use this rule if your project intentionally keeps partially migrated faster config and you do not want linting to normalize the documented dependency yet.

Rule catalog ID: R110

Targeted pattern scope​

What this rule reports​

Why this rule exists​

❌ Incorrect​

✅ Correct​

Behavior and migration notes​

When not to use it​

Further reading​