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https://github.com/Jermolene/TiddlyWiki5
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049244e8a8
* get-index: Enable deflate and gzip compression * Spaces -> Tabs * listen: Add optional `gzip=yes` parameter (defaults to "no") * get-index: Add comment explaining the usage of `zlib.*Sync` instead of async.
52 lines
1.3 KiB
JavaScript
52 lines
1.3 KiB
JavaScript
/*\
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title: $:/core/modules/server/routes/get-index.js
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type: application/javascript
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module-type: route
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GET /
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\*/
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(function() {
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/*jslint node: true, browser: true */
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/*global $tw: false */
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"use strict";
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var zlib = require('zlib');
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exports.method = "GET";
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exports.path = /^\/$/;
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exports.handler = function(request,response,state) {
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var acceptEncoding = request.headers['accept-encoding'];
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if (!acceptEncoding) { acceptEncoding = ''; }
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var text = state.wiki.renderTiddler(state.server.get("root-render-type"),state.server.get("root-tiddler"));
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var responseHeaders = {
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"Content-Type": state.server.get("root-serve-type")
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};
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/*
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If the gzip=yes flag for `listen` is set, check if the user agent permits
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compression. If so, compress our response. Note that we use the synchronous
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functions from zlib to stay in the imperative style. The current `Server`
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doesn't depend on this, and we may just as well use the async versions.
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*/
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if(state.server.enableGzip) {
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if (/\bdeflate\b/.test(acceptEncoding)) {
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responseHeaders['Content-Encoding'] = 'deflate';
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text = zlib.deflateSync(text);
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} else if (/\bgzip\b/.test(acceptEncoding)) {
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responseHeaders['Content-Encoding'] = 'gzip';
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text = zlib.gzipSync(text);
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}
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}
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response.writeHead(200, responseHeaders);
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response.end(text);
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};
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}());
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