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33 lines
811 B
JavaScript
33 lines
811 B
JavaScript
11 years ago
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var HotSwap = {},
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winston = require('winston'),
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stack;
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HotSwap.prepare = function(app) {
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stack = app._router.stack;
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};
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HotSwap.find = function(id) {
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if (stack) {
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for(var x=0,numEntries=stack.length;x<numEntries;x++) {
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if (stack[x].handle.hotswapId === id) {
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return x;
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break;
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}
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}
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} else {
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winston.error('[hotswap] HotSwap module has not been prepared!');
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}
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};
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HotSwap.replace = function(id, middleware) {
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var idx = HotSwap.find(id);
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if (idx) {
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delete stack[idx].handle; // Destroy the old middleware
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stack[idx].handle = middleware; // Replace with the new one
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winston.info('[hotswap] Middleware with id `' + id + '` replaced successfully');
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} else {
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winston.warn('[hotswap] Could not find middleware in stack with hotswapId `' + id + '`');
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}
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};
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module.exports = HotSwap;
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