fix: table would still be rendered in JSON mode when writing to file

[10xLaCroixDrinker]

Fixes one of the two bugs described in #474

Before

$ node autocannon.js http://google.com/ --json > output.txt 2>&1

Running 10s test @ http://google.com/
10 connections


^[[90m┌─────────^[[39m^[[90m┬──────^[[39m^[[90m┬──────^[[39m^[[90m┬───────^[[39m^[[90m┬──────^[[39m^[[90m┬──────^[[39m^[[90m┬───────^[[39m^[[90m┬──────┐^[[39m
^[[90m│^[[39m^[[31m Stat    ^[[39m^[[90m│^[[39m^[[31m 2.5% ^[[39m^[[90m│^[[39m^[[31m 50%  ^[[39m^[[90m│^[[39m^[[31m 97.5% ^[[39m^[[90m│^[[39m^[[31m 99%  ^[[39m^[[90m│^[[39m^[[31m Avg  ^[[39m^[[90m│^[[39m^[[31m Stdev ^[[39m^[[90m│^[[39m^[[31m Max  ^[[39m^[[90m│^[[39m
^[[90m├─────────^[[39m^[[90m┼──────^[[39m^[[90m┼──────^[[39m^[[90m┼───────^[[39m^[[90m┼──────^[[39m^[[90m┼──────^[[39m^[[90m┼───────^[[39m^[[90m┼──────┤^[[39m
^[[90m│^[[39m Latency ^[[90m│^[[39m 0 ms ^[[90m│^[[39m 0 ms ^[[90m│^[[39m 0 ms  ^[[90m│^[[39m 0 ms ^[[90m│^[[39m 0 ms ^[[90m│^[[39m 0 ms  ^[[90m│^[[39m 0 ms ^[[90m│^[[39m
^[[90m└─────────^[[39m^[[90m┴──────^[[39m^[[90m┴──────^[[39m^[[90m┴───────^[[39m^[[90m┴──────^[[39m^[[90m┴──────^[[39m^[[90m┴───────^[[39m^[[90m┴──────┘^[[39m
^[[90m┌───────────^[[39m^[[90m┬─────^[[39m^[[90m┬──────^[[39m^[[90m┬─────^[[39m^[[90m┬───────^[[39m^[[90m┬─────^[[39m^[[90m┬───────^[[39m^[[90m┬─────┐^[[39m
^[[90m│^[[39m^[[31m Stat      ^[[39m^[[90m│^[[39m^[[31m 1%  ^[[39m^[[90m│^[[39m^[[31m 2.5% ^[[39m^[[90m│^[[39m^[[31m 50% ^[[39m^[[90m│^[[39m^[[31m 97.5% ^[[39m^[[90m│^[[39m^[[31m Avg ^[[39m^[[90m│^[[39m^[[31m Stdev ^[[39m^[[90m│^[[39m^[[31m Min ^[[39m^[[90m│^[[39m
^[[90m├───────────^[[39m^[[90m┼─────^[[39m^[[90m┼──────^[[39m^[[90m┼─────^[[39m^[[90m┼───────^[[39m^[[90m┼─────^[[39m^[[90m┼───────^[[39m^[[90m┼─────┤^[[39m
^[[90m│^[[39m Req/Sec   ^[[90m│^[[39m 0   ^[[90m│^[[39m 0    ^[[90m│^[[39m 0   ^[[90m│^[[39m 0     ^[[90m│^[[39m 0   ^[[90m│^[[39m 0     ^[[90m│^[[39m 0   ^[[90m│^[[39m
^[[90m├───────────^[[39m^[[90m┼─────^[[39m^[[90m┼──────^[[39m^[[90m┼─────^[[39m^[[90m┼───────^[[39m^[[90m┼─────^[[39m^[[90m┼───────^[[39m^[[90m┼─────┤^[[39m
^[[90m│^[[39m Bytes/Sec ^[[90m│^[[39m 0 B ^[[90m│^[[39m 0 B  ^[[90m│^[[39m 0 B ^[[90m│^[[39m 0 B   ^[[90m│^[[39m 0 B ^[[90m│^[[39m 0 B   ^[[90m│^[[39m 0 B ^[[90m│^[[39m
^[[90m└───────────^[[39m^[[90m┴─────^[[39m^[[90m┴──────^[[39m^[[90m┴─────^[[39m^[[90m┴───────^[[39m^[[90m┴─────^[[39m^[[90m┴───────^[[39m^[[90m┴─────┘^[[39m

Req/Bytes counts sampled once per second.
# of samples: 10

20 requests in 10.03s, 0 B read
10 errors (10 timeouts)
{"url":"http://google.com/","connections":10,"sampleInt":1000,"pipelining":1,"workers":0,"duration":10.03,"samples":10,"start":"2024-03-12T03:06:43.621Z","finish":"2024-03-12T03:06:53.651Z","errors":10,"timeouts":10,"mismatches":0,"non2xx":0,"resets":0,"1xx":0,"2xx":0,"3xx":0,"4xx":0,"5xx":0,"statusCodeStats":{},"latency":{"average":0,"mean":0,"stddev":0,"min":0,"max":0,"p0_001":0,"p0_01":0,"p0_1":0,"p1":0,"p2_5":0,"p10":0,"p25":0,"p50":0,"p75":0,"p90":0,"p97_5":0,"p99":0,"p99_9":0,"p99_99":0,"p99_999":0,"totalCount":0},"requests":{"average":0,"mean":0,"stddev":0,"min":0,"max":0,"total":0,"p0_001":0,"p0_01":0,"p0_1":0,"p1":0,"p2_5":0,"p10":0,"p25":0,"p50":0,"p75":0,"p90":0,"p97_5":0,"p99":0,"p99_9":0,"p99_99":0,"p99_999":0,"sent":20},"throughput":{"average":0,"mean":0,"stddev":0,"min":0,"max":0,"total":0,"p0_001":0,"p0_01":0,"p0_1":0,"p1":0,"p2_5":0,"p10":0,"p25":0,"p50":0,"p75":0,"p90":0,"p97_5":0,"p99":0,"p99_9":0,"p99_99":0,"p99_999":0}}

After

$ node autocannon.js http://google.com/ --json > output.txt 2>&1

{"url":"http://google.com/","connections":10,"sampleInt":1000,"pipelining":1,"workers":0,"duration":10.03,"samples":10,"start":"2024-03-12T02:47:59.420Z","finish":"2024-03-12T02:48:09.447Z","errors":10,"timeouts":10,"mismatches":0,"non2xx":0,"resets":0,"1xx":0,"2xx":0,"3xx":0,"4xx":0,"5xx":0,"statusCodeStats":{},"latency":{"average":0,"mean":0,"stddev":0,"min":0,"max":0,"p0_001":0,"p0_01":0,"p0_1":0,"p1":0,"p2_5":0,"p10":0,"p25":0,"p50":0,"p75":0,"p90":0,"p97_5":0,"p99":0,"p99_9":0,"p99_99":0,"p99_999":0,"totalCount":0},"requests":{"average":0,"mean":0,"stddev":0,"min":0,"max":0,"total":0,"p0_001":0,"p0_01":0,"p0_1":0,"p1":0,"p2_5":0,"p10":0,"p25":0,"p50":0,"p75":0,"p90":0,"p97_5":0,"p99":0,"p99_9":0,"p99_99":0,"p99_999":0,"sent":20},"throughput":{"average":0,"mean":0,"stddev":0,"min":0,"max":0,"total":0,"p0_001":0,"p0_01":0,"p0_1":0,"p1":0,"p2_5":0,"p10":0,"p25":0,"p50":0,"p75":0,"p90":0,"p97_5":0,"p99":0,"p99_9":0,"p99_99":0,"p99_999":0}}

[mcollina]

lgtm

[mcollina]

Thanks!