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Watch and Serve Configuration #

Watch JavaScript Dependencies New in v0.7.0 #

When in --watch mode, Eleventy will spider the dependencies of your JavaScript Templates (.11ty.js), JavaScript Data Files (.11tydata.js or _data/**/*.js), or Configuration File (usually .eleventy.js) to watch those files too. Files in node_modules directories are ignored. This feature is enabled by default.

Filename .eleventy.js
module.exports = function(eleventyConfig) {
// Enabled by default
eleventyConfig.setWatchJavaScriptDependencies(false);
};

Add Your Own Watch Targets New in v0.10.0 #

The addWatchTarget config method allows you to manually add a file or directory for Eleventy to watch. When the file or the files in this directory change Eleventy will trigger a build. This is useful if Eleventy is not directly aware of any external file dependencies.

Filename .eleventy.js
module.exports = function(eleventyConfig) {
eleventyConfig.addWatchTarget("./src/scss/");
};

Eleventy will not add a watch for files or folders that are in .gitignore, unless setUseGitIgnore is turned off. See the chapter on ignore files.

Override Browsersync Server Options New in v0.7.0 #

Useful if you want to change or override the default Browsersync configuration. Find the Eleventy defaults in EleventyServe.js. Take special note that Eleventy does not use Browsersync’s watch options and trigger reloads manually after our own internal watch methods are complete. See full options list on the Browsersync documentation.

(Read more at Issue #123)

Filename .eleventy.js
module.exports = function(eleventyConfig) {
eleventyConfig.setBrowserSyncConfig({
notify: true
});
};

Add delay before re-running New in v0.11.0 #

A hardcoded amount of time Eleventy will wait before triggering a new build when files have changes during --watch or --serve modes. You probably won’t need this, but is useful in some edge cases with other task runners (Gulp, Grunt, etc).

module.exports = function(eleventyConfig) {
// default is 0
eleventyConfig.setWatchThrottleWaitTime(100); // in milliseconds
};

Other pages in Configuration: