Via GitLab log API /projects/:id/jobs/:job_id/trace, I got the log content like below:

[0KRunning with gitlab-runner 14.10.0~beta.50.g1f2fe53e (1f2fe53e)[0;m
[0K  on blue-5.shared.runners-manager.gitlab.com/default -AzERasQ[0;m
section_start:1652284543:prepare_executor
[0K[0K[36;1mPreparing the "docker+machine" executor[0;m[0;m
[0KUsing Docker executor with image ruby:2.5 ...[0;m

and the finial render result should be like:

enter image description here

my question is:

what kind of this log?

how to read or render it use javascript or swift? has any library?