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prettier-plugin-ejs-safe

Prettier plugin for EJS templates — formats the HTML structure while completely preserving all EJS tags untouched.

The problem

The prettier-plugin-ejs breaks EJS tags because it treats their content as HTML and reformats it without any special handling.

The solution

Before formatting, this plugin extracts all EJS tags and replaces them with safe placeholders. After HTML formatting, it restores the original tags.

Supported EJS tag types

| Tag | Description |

| | Scriptlet (control flow) | | | HTML-escaped output | | | Unescaped output | | | Comment (no output) | | | Whitespace-slurping scriptlet | | | Trim newline after tag | | | Whitespace slurp after tag |

Head/foot partials — ignoreTags

EJS projects are often split into a "head" partial that opens shell tags (, , ...) and a "foot" partial that closes them. Each partial is invalid HTML on its own: Prettier's HTML parser either silently inserts the missing closing tag (unclosed open tag) or throws a parse error (closing tag with no matching open).

ignoreTags removes specific tag names from HTML parsing entirely — their open/close tags pass through untouched, exactly as written, with no auto-closing and no validation.

| Value | Effect |

| ["none"] (default) | No tags ignored — normal HTML parsing. | | ["all"] | Every tag is left untouched (no structural formatting at all). | | ["html", "body"] | Only the listed tag names are left untouched. |

Ignored tags still count toward indentation — their children are indented as if the tag were really there, even though it's never parsed as one. This is computed per file from that file's own ignored tags only: head.ejs only knows it opens /, and foot.ejs only knows it closes them, but both land on the same indentation because each is shifted so its content never goes above column 0.

Any tag not listed (like above) still needs to be balanced within that same file — list every tag that spans across your head/foot split, not just html/body.

Team setup

Run once on a new machine. The script installs the plugin globally, resolves the correct plugin path for that machine, and writes ~/.prettierrc automatically.

The scripts aren't published with the npm package — download them from the latest release:

Windows:

1. Download setup.bat 2. Double-click it to run — no terminal needed.

Mac / Linux:

1. Download setup.sh 2. Run:

After running, add to VS Code User Settings (Ctrl+Shift+P → Open User Settings JSON):

The exact prettier.configPath value is printed by the setup script after it runs.

What the setup script does

1. Installs prettier-plugin-ejs-safe globally — prettier is included as a dependency, no separate install needed 2. Finds the plugin path on this machine using npm root -g 3. Writes ~/.prettierrc with the absolute plugin path

CLI / CI usage

Example

Before:

After:

EJS tags unchanged, HTML formatted.