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66 lines
2.2 KiB
JavaScript
66 lines
2.2 KiB
JavaScript
const fs = require("fs"),
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utils = require("./utils"),
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caching = require("./caching"),
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// pp (preprocessors)
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pp_html = require("./pp_html"),
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pp_sass = require("node-sass"),
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pp_config = {
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".sass": "sass",
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".html": "html",
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".htm": "hmtl"
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};
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let logger = require("winston");
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/**
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* Sets the logger for logging
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* @param {Object} newLogger
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*/
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exports.setLogger = function (newLogger) {
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logger = newLogger;
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caching.setLogger(logger);
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};
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/**
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* Returns the data for the file. In some cases the data is processed or loaded from cache.
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* @param {String} filename The file containing the data
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* @return {String} The data that should be send
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*/
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exports.getProcessed = function (filename) {
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try {
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logger.debug("Processing File %s", filename);
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let extension = utils.getExtension(filename); // use the utils function to get the files extension
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let data = null;
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if (caching.isCached(filename)) return caching.getCached(filename) // return the cached file if it exists
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logger.debug("File is not cached. Processing...");
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switch (pp_config[extension]) {
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case "sass":
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logger.debug("Processing sass %s", filename);
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data = Buffer.from(pp_sass.renderSync({ // use the sass preprocessor
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file: filename
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}).css).toString("utf-8");
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break;
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case "html":
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logger.debug("Processing html %s", filename);
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data = pp_html.formatHtml(filename); // use the html-preprocessor
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break;
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default:
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logger.debug("No processor found for %s. Returning data.", filename);
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return fs.readFileSync(filename); // just read the data from the file
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}
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caching.cache(filename, data); // cache the file for faster access next time
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logger.debug("Cached file %s", filename);
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return data; // return the data
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} catch (error) {
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logger.error(error);
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return "Processing Error";
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}
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};
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/**
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* Cleanup function that calls the cleanup for the caching module
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*/
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exports.cleanup = function() {
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caching.cleanup();
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}; |