48 lines
1.5 KiB
JavaScript
48 lines
1.5 KiB
JavaScript
"use strict";
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// cache a reference to setTimeout, so that our reference won't be stubbed out
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// when using fake timers and errors will still get logged
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// https://github.com/cjohansen/Sinon.JS/issues/381
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var realSetTimeout = setTimeout;
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function configureLogger(config) {
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config = config || {};
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// Function which prints errors.
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if (!config.hasOwnProperty("logger")) {
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config.logger = function () { };
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}
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// When set to true, any errors logged will be thrown immediately;
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// If set to false, the errors will be thrown in separate execution frame.
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if (!config.hasOwnProperty("useImmediateExceptions")) {
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config.useImmediateExceptions = true;
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}
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// wrap realSetTimeout with something we can stub in tests
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if (!config.hasOwnProperty("setTimeout")) {
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config.setTimeout = realSetTimeout;
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}
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return function logError(label, e) {
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var msg = label + " threw exception: ";
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var err = { name: e.name || label, message: e.message || e.toString(), stack: e.stack };
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function throwLoggedError() {
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err.message = msg + err.message;
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throw err;
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}
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config.logger(msg + "[" + err.name + "] " + err.message);
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if (err.stack) {
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config.logger(err.stack);
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}
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if (config.useImmediateExceptions) {
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throwLoggedError();
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} else {
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config.setTimeout(throwLoggedError, 0);
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}
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};
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}
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module.exports = configureLogger;
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