Nx 21.5.3 migrate + Jest configs (cjs) + Jest v30

[ScriptedAlchemy]

• Nx migrate to 21.5.3\n- Convert Jest configs to .cjs to avoid ESM loader issues\n- Strip comments from .swcrc before JSON.parse in configs\n- Re-add and run Jest v30 matcher migration

[changeset-bot]

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Latest commit: e45ea47

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[netlify]

❌ Deploy Preview for module-federation-docs failed. Why did it fail? →

Name	Link
🔨 Latest commit	490db12
🔍 Latest deploy log	https://app.netlify.com/projects/module-federation-docs/deploys/68d4c896424be500084d9b82

[chatgpt-codex-connector]

💡 Codex Review

core/packages/nextjs-mf/src/plugins/NextFederationPlugin/index.ts

Lines 292 to 296 in 490db12

	if (typeof val === 'string' || val === true || val === false) {
	// Simple shared config – force pages-dir layer on the client/server compiler
	out[key] =
	val === false
	? false

[P1] Preserve user-provided shared config when adding layer metadata

In addLayerToShared the branch that handles shorthand user entries (typeof val === 'string' || val === true) replaces the value with an object that only sets layer, issuerLayer, and allowNodeModulesSuffixMatch without carrying over the original semantics. If a user supplies shared: { react: '^18.2.0' } or true, the version requirement and default flags (singleton/eager) are discarded, so Module Federation will treat the share as unconstrained and may load incompatible versions at runtime. Consider copying the existing configuration (e.g. { requiredVersion: val } for strings and webpack’s default settings for true) before augmenting it with layer fields.

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