119 lines
2.9 KiB
JavaScript
119 lines
2.9 KiB
JavaScript
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var fs = require("fs");
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var path = require("path");
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/**
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* @type {string}
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*/
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var PLUGIN_NAME = "Snippet Injector";
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/**
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* @type
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*/
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var messages = {
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added: function (path) {
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return "{green:Snippet added to {cyan:" + path
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},
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removed: function (path) {
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return "{green:Snippet removed from {cyan:" + path
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},
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exists: function (path) {
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return "{green:Snippet already exists in: {cyan:" + path
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},
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notFound: function (path) {
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return "{red:ERROR:} Closing body tag not found in: {cyan:" + path
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},
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fileNotFound: function (path) {
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return "{red:ERROR:} File not found!: {cyan:" + path
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}
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};
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/**
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* Main export
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* @type {{name: string, plugin: plugin}}
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*/
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module.exports = {
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"plugin:name": PLUGIN_NAME,
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plugin: function (opts, bs) {
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opts.file = opts.file || "";
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opts.currentFilePath = path.resolve(opts.file);
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opts.logger = bs.getLogger(PLUGIN_NAME);
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opts.logger.debug("Setting events");
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bs.events.on("service:running", addSnippet.bind(null, bs, opts));
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bs.events.on("service:exit", removeSnippet.bind(null, bs, opts));
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}
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};
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/**
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* Add the snippet before a body tag
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* @param {BrowserSync} bs
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* @param {Object} opts - plugin specific options
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*/
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function addSnippet(bs, opts) {
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var currentFilePath = opts.currentFilePath;
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opts.logger.debug("Reading the file: %s", currentFilePath);
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var read;
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try {
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read = fs.readFileSync(currentFilePath, "utf8");
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} catch (e) {
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opts.errored = true;
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return opts.logger.info(messages.fileNotFound(path.basename(currentFilePath)));
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}
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var found = false;
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if (read.indexOf(bs.options.get("snippet")) > -1) {
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opts.logger.info(messages.exists(currentFilePath));
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return;
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}
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var modded = read.replace(/<\/body>(?![\s\S]*<\/body>)/, function () {
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opts.currentSnippet = wrap(bs.options.get("snippet")) + "\n" + arguments[0];
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found = true;
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return opts.currentSnippet;
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});
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if (found) {
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opts.logger.debug("Writing the file: %s", currentFilePath);
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fs.writeFileSync(currentFilePath, modded);
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opts.logger.info(messages.added(path.basename(currentFilePath)));
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} else {
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opts.logger.info(messages.notFound(path.basename(currentFilePath)));
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}
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}
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/**
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* @param item snippet
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* @returns {string}
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*/
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function wrap (item) {
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return "<!-- BS:SNIPPET-->" + item + "<!-- BS:SNIPPET:END-->";
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}
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/**
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* @param {BrowserSync} bs
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* @param {Object} opts - plugin specific options
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*/
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function removeSnippet(bs, opts) {
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if (opts.errored) {
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return;
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}
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var read = fs.readFileSync(opts.currentFilePath, "utf8");
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var modded = read.replace(opts.currentSnippet, function () {
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return "</body>";
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});
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fs.writeFileSync(opts.currentFilePath, modded);
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opts.logger.info(messages.removed(path.basename(opts.currentFilePath)));
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}
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