170 lines
4.6 KiB
JavaScript
170 lines
4.6 KiB
JavaScript
const fs = require("fs-extra");
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const TemplatePath = require("./TemplatePath");
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const config = require("./Config");
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const debug = require("debug")("EleventyServe");
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class EleventyServe {
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constructor() {}
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get config() {
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return this.configOverride || config.getConfig();
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}
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set config(config) {
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this.configOverride = config;
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}
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setOutputDir(outputDir) {
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this.outputDir = outputDir;
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}
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getPathPrefix() {
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return this.config.pathPrefix || "/";
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}
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getRedirectDir(dirName) {
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return TemplatePath.join(this.outputDir, dirName);
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}
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getRedirectDirOverride() {
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// has a pathPrefix, add a /index.html template to redirect to /pathPrefix/
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if (this.getPathPrefix() !== "/") {
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return "_eleventy_redirect";
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}
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}
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getRedirectFilename(dirName) {
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return TemplatePath.join(this.getRedirectDir(dirName), "index.html");
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}
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getOptions(port) {
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let pathPrefix = this.getPathPrefix();
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// TODO customize this in Configuration API?
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let serverConfig = {
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baseDir: this.outputDir
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};
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let redirectDirName = this.getRedirectDirOverride();
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// has a pathPrefix, add a /index.html template to redirect to /pathPrefix/
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if (redirectDirName) {
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serverConfig.baseDir = this.getRedirectDir(redirectDirName);
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serverConfig.routes = {};
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serverConfig.routes[pathPrefix] = this.outputDir;
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// if has a savedPathPrefix, use the /savedPathPrefix/index.html template to redirect to /pathPrefix/
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if (this.savedPathPrefix) {
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serverConfig.routes[this.savedPathPrefix] = TemplatePath.join(
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this.outputDir,
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this.savedPathPrefix
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);
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}
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}
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return Object.assign(
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{
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server: serverConfig,
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port: port || 8080,
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ignore: ["node_modules"],
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watch: false,
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open: false,
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notify: false,
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index: "index.html"
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},
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this.config.browserSyncConfig
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);
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}
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cleanupRedirect(dirName) {
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if (dirName && dirName !== "/") {
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let savedPathFilename = this.getRedirectFilename(dirName);
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setTimeout(function() {
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if (!fs.existsSync(savedPathFilename)) {
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debug(`Cleanup redirect: Could not find ${savedPathFilename}`);
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return;
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}
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let savedPathContent = fs.readFileSync(savedPathFilename, "utf-8");
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if (
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savedPathContent.indexOf("Browsersync pathPrefix Redirect") === -1
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) {
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debug(
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`Cleanup redirect: Found ${savedPathFilename} but it wasn’t an eleventy redirect.`
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);
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return;
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}
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fs.unlink(savedPathFilename, err => {
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if (!err) {
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debug(`Cleanup redirect: Deleted ${savedPathFilename}`);
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}
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});
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}, 2000);
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}
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}
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serveRedirect(dirName) {
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fs.outputFile(
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this.getRedirectFilename(dirName),
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`<!doctype html>
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<meta http-equiv="refresh" content="0; url=${this.config.pathPrefix}">
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<title>Browsersync pathPrefix Redirect</title>
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<a href="${this.config.pathPrefix}">Go to ${this.config.pathPrefix}</a>`
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);
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}
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serve(port) {
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// only load on serve—this is pretty expensive
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const browserSync = require("browser-sync");
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this.server = browserSync.create();
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let pathPrefix = this.getPathPrefix();
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if (this.savedPathPrefix && pathPrefix !== this.savedPathPrefix) {
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let redirectFilename = this.getRedirectFilename(this.savedPathPrefix);
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if (!fs.existsSync(redirectFilename)) {
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debug(
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`Redirecting BrowserSync from ${this.savedPathPrefix} to ${pathPrefix}`
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);
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this.serveRedirect(this.savedPathPrefix);
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} else {
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debug(
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`Config updated with a new pathPrefix. Tried to set up a transparent redirect but found a template already existing at ${redirectFilename}. You’ll have to navigate manually.`
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);
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}
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}
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let redirectDirName = this.getRedirectDirOverride();
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// has a pathPrefix, add a /index.html template to redirect to /pathPrefix/
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if (redirectDirName) {
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this.serveRedirect(redirectDirName);
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}
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this.cleanupRedirect(this.savedPathPrefix);
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this.server.init(this.getOptions(port));
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// this needs to happen after `.getOptions`
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this.savedPathPrefix = pathPrefix;
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}
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close() {
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if (this.server) {
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this.server.exit();
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}
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}
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/* filesToReload is optional */
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reload(filesToReload) {
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if (this.server) {
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if (this.getPathPrefix() !== this.savedPathPrefix) {
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this.server.exit();
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this.serve();
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} else {
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this.server.reload(filesToReload);
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}
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}
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}
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}
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module.exports = EleventyServe;
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