@11ty/eleventy-img/src/webc-options-plugin.js

Low level utility to perform build-time image transformations.

const { getGlobalOptions } = require("./global-options.js");
const { eleventyImageOnRequestDuringServePlugin } = require("./on-request-during-serve-plugin.js");

function eleventyWebcOptionsPlugin(eleventyConfig, options = {}) {
  options = Object.assign({
    transformOnRequest: process.env.ELEVENTY_RUN_MODE === "serve",
  }, options);

  // Notably, global options are not shared automatically with the `eleventyImageTransformPlugin` below.
  // Devs can pass in the same object to both if they want!
  eleventyConfig.addJavaScriptFunction("__private_eleventyImageConfigurationOptions", () => {
    return getGlobalOptions(eleventyConfig, options, "webc");
  });

  if(options.transformOnRequest !== false) {
    // Add the on-request plugin automatically (unless opt-out in this plugins options only)
    eleventyConfig.addPlugin(eleventyImageOnRequestDuringServePlugin);
  }
}

module.exports = {
  eleventyWebcOptionsPlugin,
};