API Reference

Core Functions

• render() — Render a template string or file partial

• compile() — Compile a template into a reusable object with render(), asyncRender(), renderBlock(), renderPartial()

• asyncRender() — Asynchronous rendering (supports async filters/tags)

• renderPartialFromFile() — Render a named partial from a file

• renderPartialFromSource() — Render a named partial from source

• setupExpress() — One-line Express integration

Tag and Filter Registration

• registerFilter() — Register a custom filter

• getFilter() — Retrieve a registered filter

• registerTag() — Register a custom tag

• registerHelper() — Register a custom helper

Utilities

• findTemplateInViews() — Locate a template in views directories

• setAppTemplateDirNames() — Configure app-style template directory names

• clearCache() — Clear the compiled template cache

• registerContextProcessor() — Register a global context processor

• clearContextProcessors() — Clear all context processors

Security

• markSafe() — Mark a string as safe (bypass escaping)

• isSafe() — Check if a value is marked safe

• escapeHtml() — Escape HTML special characters

• SafeString — SafeString class

Express Engine Functions

• __express(filePath, options, callback) — Express-compatible sync view engine

• __expressAsync(filePath, options) — Express 5 async view engine (returns Promise)

• express(options) — Returns a view engine function for app.engine()

• expressPartialRenderer() — Express middleware adding res.renderPartial()

• stripExpressContext(options) — Remove Express framework keys from context

i18n

• registerTranslation() — Register translations for a language

• unregisterTranslation() — Unregister translations

• setLanguage() / getLanguage() — Set/get active language

• setFallbackLanguage() / getFallbackLanguage() — Set/get fallback language

• getAvailableLanguages() — List registered languages

Libraries

• registerLibrary() — Register a named library (filters, tags, helpers)

• activateLibrary() / registerLibraryFromPath() — Activate or load from file

• unregisterLibrary() / hasLibrary() / getLibraryNames() — Library management