assert.ifError(value)
Throws value
if value
is truthy. This is useful when testing the error
argument in callbacks.
1 2 3 4 5 6 | const assert = require( 'assert' ); assert.ifError(0); // OK assert.ifError(1); // Throws 1 assert.ifError( 'error' ) // Throws 'error' assert.ifError( new Error()); // Throws Error |
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