37 lines
795 B
JavaScript
37 lines
795 B
JavaScript
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var extsprintf = require('extsprintf');
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var fs = require('fs');
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var verror = require('../lib/verror');
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function checkFile(filename, callback) {
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fs.stat(filename, function (err) {
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if (err)
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/* Annotate the "stat" error with what we were doing. */
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return (callback(new verror.VError(err,
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'failed to check "%s"', filename)));
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/* ... */
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return (callback());
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});
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}
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function handleRequest(filename, callback) {
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checkFile('/nonexistent', function (err) {
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if (err)
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/* Annotate the "checkFile" error. */
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return (callback(new verror.VError(
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err, 'request failed')));
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/* ... */
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return (callback());
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});
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}
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handleRequest('/nonexistent', function (err) {
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if (err) {
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console.log(err.message);
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console.log(extsprintf.sprintf('%r', err));
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}
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/* ... */
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});
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