@ui5/builder
Version:
UI5 CLI - Builder
73 lines (69 loc) • 2.91 kB
JavaScript
import minifier from "../processors/minifier.js";
import fsInterface from "@ui5/fs/fsInterface";
/**
* @public
* @module @ui5/builder/tasks/minify
*/
/**
* Task to minify resources.
*
* @public
* @function default
* @static
*
* @param {object} parameters Parameters
* @param {@ui5/fs/DuplexCollection} parameters.workspace DuplexCollection to read and write files
* @param {@ui5/project/build/helpers/TaskUtil|object} [parameters.taskUtil] TaskUtil
* @param {object} parameters.options Options
* @param {string} parameters.options.pattern Pattern to locate the files to be processed
* @param {boolean} [parameters.options.omitSourceMapResources=false] Whether source map resources shall
* be tagged as "OmitFromBuildResult" and no sourceMappingURL shall be added to the minified resource
* @param {boolean} [parameters.options.useInputSourceMaps=true] Whether to make use of any existing source
* maps referenced in the resources to be minified. Use this option to preserve reference to the original
* source files, such as TypeScript files, in the generated source map.
* @returns {Promise<undefined>} Promise resolving with <code>undefined</code> once data has been written
*/
export default async function({
workspace, taskUtil, options: {pattern, omitSourceMapResources = false, useInputSourceMaps = true
}}) {
const resources = await workspace.byGlob(pattern);
const processedResources = await minifier({
resources,
fs: fsInterface(workspace),
taskUtil,
options: {
addSourceMappingUrl: !omitSourceMapResources,
readSourceMappingUrl: !!useInputSourceMaps,
useWorkers: !!taskUtil,
}
});
return Promise.all(processedResources.map(async ({
resource, dbgResource, sourceMapResource, dbgSourceMapResource
}) => {
if (taskUtil) {
// Carry over OmitFromBuildResult from input resource to all derived resources
if (taskUtil.getTag(resource, taskUtil.STANDARD_TAGS.OmitFromBuildResult)) {
taskUtil.setTag(dbgResource, taskUtil.STANDARD_TAGS.OmitFromBuildResult);
taskUtil.setTag(sourceMapResource, taskUtil.STANDARD_TAGS.OmitFromBuildResult);
}
taskUtil.setTag(resource, taskUtil.STANDARD_TAGS.HasDebugVariant);
taskUtil.setTag(dbgResource, taskUtil.STANDARD_TAGS.IsDebugVariant);
taskUtil.setTag(sourceMapResource, taskUtil.STANDARD_TAGS.HasDebugVariant);
if (omitSourceMapResources) {
taskUtil.setTag(sourceMapResource, taskUtil.STANDARD_TAGS.OmitFromBuildResult);
}
if (dbgSourceMapResource) {
taskUtil.setTag(dbgSourceMapResource, taskUtil.STANDARD_TAGS.IsDebugVariant);
if (omitSourceMapResources) {
taskUtil.setTag(dbgSourceMapResource, taskUtil.STANDARD_TAGS.OmitFromBuildResult);
}
}
}
return Promise.all([
workspace.write(resource),
workspace.write(dbgResource),
workspace.write(sourceMapResource),
dbgSourceMapResource && workspace.write(dbgSourceMapResource)
]);
}));
}