fix: any number of project configs is processed

[a-hoff]

Details

Config was not correctly processing config files that had a single entry in their project properties. This fixes it so that it will correctly process any number of project entries.

Does this PR introduce a breaking change?

• Yes
• [X ] No

[salesforce-best-lwc-internal]

Benchmark results

Base commit: 9243159 | Target commit: b57b542

simple-benchmark-prod

object_keys	metric	base(9243159)	target(b57b542)	trend
stringify_parse	duration	35.10 (± 0.30 ms)	36.00 (± 0.20 ms)	-2.56% 👎
deep_merge	duration	26.30 (± 0.95 ms)	27.10 (± 1.00 ms)	-3.04% 👌

simple-benchmark-compat

object_keys	metric	base(9243159)	target(b57b542)	trend
stringify_parse	duration	34.70 (± 0.40 ms)	34.15 (± 0.25 ms)	1.59% 👍
deep_merge	duration	114.20 (± 2.30 ms)	112.15 (± 1.75 ms)	1.80% 👍

lwc-examples-prod

simple-item	metric	base(9243159)	target(b57b542)	trend
create_and_render	duration	51.10 (± 0.70 ms)	50.70 (± 0.50 ms)	0.78% 👌

lwc-examples-compat

simple-item	metric	base(9243159)	target(b57b542)	trend
create_and_render	duration	84.90 (± 1.10 ms)	84.25 (± 0.95 ms)	0.77% 👍

[diervo]

I remember there was a reason for this number, but maybe this is ok.
Could you double check that a project with a default unique config runs just fine?
Otherwise I will try to check later.

[a-hoff]

yes this works for both

[diervo]

I will merge the pending PRs today or tomorrow.

[salesforce-best-lwc-internal]

Benchmark results

Base commit: 6294d67 | Target commit: 8b21501

simple-benchmark-prod

object_keys	metric	base(6294d67)	target(8b21501)	trend
stringify_parse	duration	36.55 (± 0.65 ms)	34.60 (± 0.10 ms)	5.34% 👍
deep_merge	duration	27.90 (± 1.90 ms)	25.10 (± 0.15 ms)	10.04% 👍

simple-benchmark-compat

object_keys	metric	base(6294d67)	target(8b21501)	trend
stringify_parse	duration	35.35 (± 0.60 ms)	34.40 (± 0.30 ms)	2.69% 👍
deep_merge	duration	112.35 (± 3.95 ms)	112.40 (± 1.30 ms)	-0.04% 👌

lwc-examples-prod

simple-item	metric	base(6294d67)	target(8b21501)	trend
create_and_render	duration	53.40 (± 1.40 ms)	53.80 (± 2.10 ms)	-0.75% 👌

lwc-examples-compat

simple-item	metric	base(6294d67)	target(8b21501)	trend
create_and_render	duration	89.40 (± 2.20 ms)	87.10 (± 1.60 ms)	2.57% 👍