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what is tmpl fr?

n8n-io/tmpl — explained in plain English

Analysis updated 2026-07-17 · repo last pushed 2023-07-20

★ 5JavaScriptAudience · developerComplexity · 1/5DormantSetup · easy

tl;dr

A tiny JavaScript template engine that fills placeholders in strings with data, supporting full JS expressions and a special mode for conditional CSS class names.

vibe map

mindmap
  root((repo))
    What It Does
      Fill template strings
      Evaluate expressions
      Conditional CSS classes
    Tech Stack
      JavaScript
    Use Cases
      Dynamic text rendering
      Class name toggling
      Lightweight UI logic
    Audience
      Developers
      UI framework builders
    Origin
      Built for Riot
      Works standalone

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filefunction / class

what do people make with this?

VIBE 1

Render a dynamic greeting string like 'Hi { name } { surname }' with user data.

VIBE 2

Generate a conditional CSS class string like 'show highlight' based on component state.

VIBE 3

Add lightweight template logic to a UI without pulling in a full framework or build step.

what's the stack?

JavaScript

how it stacks up fr

n8n-io/tmpl00kaku/wp-rest-playgroundchalarangelo/mini-active-record
Stars555
LanguageJavaScriptJavaScriptJavaScript
Last pushed2023-07-20——
MaintenanceDormant——
Setup difficultyeasyhardeasy
Complexity1/53/51/5
Audiencedeveloperdevelopervibe coder

Figures from each repo's GitHub metadata at analysis time.

how do i run it?

Difficulty · easy time til it works · 5min

prompts (copy fr)

prompt 1
Show me how to use this template engine to fill in placeholders in a string with a data object.
prompt 2
How do I use the conditional class mode to generate a CSS class string based on boolean flags?
prompt 3
Explain what JavaScript expressions I can use inside the curly braces in a template.
prompt 4
How would I install and call this library from npm in a small vanilla JS project?

Frequently asked questions

what is tmpl fr?

A tiny JavaScript template engine that fills placeholders in strings with data, supporting full JS expressions and a special mode for conditional CSS class names.

What language is tmpl written in?

Mainly JavaScript. The stack also includes JavaScript.

Is tmpl actively maintained?

Dormant — no commits in 2+ years (last push 2023-07-20).

How hard is tmpl to set up?

Setup difficulty is rated easy, with roughly 5min to a first successful run.

Who is tmpl for?

Mainly developer.

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