{"id":25756,"library":"incremental-bars","title":"incremental-bars","description":"incremental-bars is a build-time tool that compiles standard Handlebars templates to incremental-dom instructions, enabling DOM patching instead of string replacement. Version 1.0.6, with no recent updates (appears unmaintained since ~2016). It supports all native Handlebars features (partials, block helpers, decorators) without rewriting Handlebars, unlike HtmlBars. The library is framework-agnostic and designed for precompilation, not runtime browser use. Key differentiators: reuse existing templates, no Handlebars fork, linear instruction representation.","status":"maintenance","version":"1.0.6","language":"javascript","source_language":"en","source_url":"[{'type': 'git', 'url': 'https://github.com/atomictag/incremental-bars'}]","tags":["javascript","handlebars","mustache","template","html","incremental-dom"],"install":[{"cmd":"npm install incremental-bars","lang":"bash","label":"npm"},{"cmd":"yarn add incremental-bars","lang":"bash","label":"yarn"},{"cmd":"pnpm add incremental-bars","lang":"bash","label":"pnpm"}],"dependencies":[{"reason":"peer dependency - requires Handlebars to compile templates","package":"handlebars","optional":false},{"reason":"runtime dependency for DOM patching instructions","package":"incremental-dom","optional":false}],"imports":[{"note":"CommonJS only; yields a modified Handlebars instance.","wrong":"import Handlebars from 'incremental-bars'; // ESM not supported","symbol":"default","correct":"const Handlebars = require('incremental-bars');"},{"note":"Must pass transpilerOptions with mode to get incremental-dom output.","wrong":"Handlebars.precompile(template); // missing transpilerOptions, defaults to html","symbol":"precompile","correct":"const Handlebars = require('incremental-bars'); Handlebars.precompile(template, { transpilerOptions: { mode: 'incremental-dom' } });"},{"note":"Same as precompile; without options, behaves like standard Handlebars.","wrong":"require('incremental-bars').compile(source); // no transpilerOptions","symbol":"compile","correct":"const Handlebars = require('incremental-bars'); const template = Handlebars.compile(source, { transpilerOptions: { mode: 'incremental-dom' } });"}],"quickstart":{"code":"const Handlebars = require('incremental-bars');\nconst IncrementalDOM = require('incremental-dom');\n\nconst source = '<div>{{name}}</div>';\nconst template = Handlebars.compile(source, {\n  transpilerOptions: { mode: 'incremental-dom' }\n});\n\nconst data = { name: 'World' };\nconst patch = (node) => {\n  IncrementalDOM.patch(node, () => {\n    template(data);\n  });\n};\n\nconst el = document.createElement('div');\npatch(el);\nconsole.log(el.innerHTML); // '<div>World</div>'\n\n// Re-render with new data\ndata.name = 'Universe';\npatch(el);\nconsole.log(el.innerHTML); // '<div>Universe</div>'","lang":"javascript","description":"Demonstrates compiling a Handlebars template to incremental-dom instructions and patching a DOM element."},"warnings":[{"fix":"Add { transpilerOptions: { mode: 'incremental-dom' } } to compile/precompile options.","message":"Must pass transpilerOptions to compile/precompile; otherwise acts like standard Handlebars string output.","severity":"gotcha","affected_versions":">=1.0.0"},{"fix":"Consider alternatives like lit-html or handlebars-incremental-dom if active support needed.","message":"Project appears unmaintained; last release 2016, no updates for incremental-dom changes.","severity":"deprecated","affected_versions":"<=1.0.6"},{"fix":"Use require() in Node.js; for TypeScript, add a custom declare module or use dynamic import.","message":"Only works with CommonJS require(); no ESM or TypeScript definitions.","severity":"gotcha","affected_versions":">=1.0.0"},{"fix":"Precompile templates at build time and include the output JS in browser.","message":"Runtime use in browser not recommended; intended as build-time precompiler.","severity":"gotcha","affected_versions":">=1.0.0"},{"fix":"Ensure incremental-dom is installed and required in the runtime environment.","message":"Requires incremental-dom to be loaded/required at runtime for patch() calls.","severity":"gotcha","affected_versions":">=1.0.0"}],"env_vars":null,"last_verified":"2026-05-01T00:00:00.000Z","next_check":"2026-07-30T00:00:00.000Z","problems":[{"fix":"Use require('incremental-bars') instead of require('handlebars').","cause":"Incorrect import: imported from 'handlebars' instead of 'incremental-bars'.","error":"TypeError: Handlebars.compile is not a function"},{"fix":"Run: npm install incremental-dom","cause":"Missing peer dependency incremental-dom.","error":"Cannot find module 'incremental-dom'"},{"fix":"Pass { transpilerOptions: { mode: 'incremental-dom' } } to compile/precompile.","cause":"Missing transpilerOptions.mode in compile/precompile options.","error":"Template compiled without transpilerOptions; output is HTML string, not DOM instructions."}],"ecosystem":"npm","meta_description":null,"install_score":null,"install_tag":null,"quickstart_score":null,"quickstart_tag":null}