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* No compilation step * Beginnings of web interface * Simple express server; React-based frontend * CommonJS style across codebase; auto-converts to RequireJS for browser * Using diffsync for realtime UI * "Provider" -> "Plugin" * Plugins expose one or more Providers
30 lines
1.2 KiB
JavaScript
30 lines
1.2 KiB
JavaScript
var interceptor = require('express-interceptor');
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/**
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* Express middleware that converts CommonJS-style code to RequireJS style for the browser (assuming require.js is loaded).
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*/
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module.exports = function(urlPrefix) {
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return interceptor(function(req, res){
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return {
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// Only URLs with the given prefix will be converted to require.js style
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isInterceptable: function(){
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return req.originalUrl.indexOf(urlPrefix) == 0;
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},
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intercept: function(body, send) {
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send(toRequireJS(body));
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}
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};
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});
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}
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// From https://github.com/shovon/connect-commonjs-amd/blob/master/src/middleware.coffee
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function toRequireJS(str) {
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var requireCalls = str.match(/require\((\s+)?('[^'\\]*(?:\\.[^'\\]*)*'|"[^"\\]*(?:\\.[^"\\]*)*")(\s+)?\)/g) || [];
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requireCalls = requireCalls.map(function(str) {
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return (str.match(/('[^'\\]*(?:\\.[^'\\]*)*'|"[^"\\]*(?:\\.[^"\\]*)*")/))[0];
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});
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requireCalls.unshift("'require'");
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str = "define([" + (requireCalls.join(', ')) + "], function (require) {\nvar module = { exports: {} }\n , exports = module.exports;\n\n(function () {\n\n" + str + "\n\n})();\n\nreturn module.exports;\n});";
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return str;
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}; |