guardian/image-url-signing-service
File Churn
File change frequency (churn) shows the distribution of file updates (days with at least one commit).
Overview
File Change Frequency Overall
  • There are 9 files with 695 lines of code.
    • 0 files changed more than 100 times (0 lines of code)
    • 0 files changed 51-100 times (0 lines of code)
    • 0 files changed 21-50 times (0 lines of code)
    • 5 files changed 6-20 times (627 lines of code)
    • 4 files changed 1-5 times (68 lines of code)
0% | 0% | 0% | 90% | 9%
Legend:
101+
51-100
21-50
6-20
1-5

explore: grouped by folders | grouped by update frequency | data
Contributors Count Frequency Overall
  • There are 9 files with 695 lines of code.
    • 0 files changed by more than 25 contributors (0 lines of code)
    • 0 files changed by 11-25 contributors (0 lines of code)
    • 4 files changed by 6-10 contributors (612 lines of code)
    • 5 files changed by 2-5 contributors (83 lines of code)
    • 0 files changed by 1 contributor (0 lines of code)
0% | 0% | 88% | 11% | 0%
Legend:
26+
11-25
6-10
2-5
1

explore: grouped by folders | grouped by contributors count | data
File Change Frequency per File Extension
ts, json, txt, yml, yaml, js, gitignore, md, editorconfig, npmrc, prettierignore
File Change Frequency per Extension
The number of recorded file updates
101+
51-100
21-50
6-20
1-5
ts0% | 0% | 0% | 93% | 6%
yaml0% | 0% | 0% | 89% | 10%
js0% | 0% | 0% | 0% | 100%
File Change Frequency per Logical Decomposition
primary
primary (file change frequency)
The number of recorded file updates
101+
51-100
21-50
6-20
1-5
src0% | 0% | 0% | 93% | 6%
ROOT0% | 0% | 0% | 91% | 8%
.github0% | 0% | 0% | 0% | 100%
nginx0% | 0% | 0% | 0% | 100%
Most Frequently Changed Files (Top 9)

See data for all files...

File# lines# unitscreatedlast modified# changes
(days)		# contributorsline
churn		first
contributor		latest
contributor
app.ts
in src
 214 6 2021-05-28 2026-06-04 15 8 +576 / -213 michael.clapham juarez.mota.mindera
cfn.yaml
in root
 191 - 2021-06-03 2026-06-04 14 10 +339 / -39 michael.clapham juarez.mota.mindera
index.ts
in src
 15 - 2021-05-28 2026-05-22 9 5 +175 / -136 michael.clapham anastasiia.balenko.mindera
63 5 2021-06-14 2026-06-04 6 7 +140 / -11 michaeljclapham juarez.mota.mindera
uiHtml.ts
in src
 144 2 2021-10-26 2026-06-04 6 7 +186 / -12 michael.clapham juarez.mota.mindera
dependabot.yml
in .github
 18 - 2021-06-09 2026-06-04 4 5 +70 / -22 michael.clapham juarez.mota.mindera
4 - 2021-05-28 2021-06-16 3 3 +8 / -0 michaeljclapham tom.wey
18 - 2021-06-01 2021-06-16 3 3 +47 / -9 michaeljclapham tom.wey
28 1 2026-06-04 2026-06-04 1 2 +66 / -0 juabara juarez.mota.mindera
Files With Most Churn (Top 9)
Based on the number of lines added and deleted across all commits.

See data for all files...

File# lines# unitscreatedlast modified# changes
(days)		# contributorsline
churn		first
contributor		latest
contributor
app.ts
in src
 214 6 2021-05-28 2026-06-04 15 8 +576 / -213 michael.clapham juarez.mota.mindera
cfn.yaml
in root
 191 - 2021-06-03 2026-06-04 14 10 +339 / -39 michael.clapham juarez.mota.mindera
index.ts
in src
 15 - 2021-05-28 2026-05-22 9 5 +175 / -136 michael.clapham anastasiia.balenko.mindera
uiHtml.ts
in src
 144 2 2021-10-26 2026-06-04 6 7 +186 / -12 michael.clapham juarez.mota.mindera
63 5 2021-06-14 2026-06-04 6 7 +140 / -11 michaeljclapham juarez.mota.mindera
dependabot.yml
in .github
 18 - 2021-06-09 2026-06-04 4 5 +70 / -22 michael.clapham juarez.mota.mindera
28 1 2026-06-04 2026-06-04 1 2 +66 / -0 juabara juarez.mota.mindera
18 - 2021-06-01 2021-06-16 3 3 +47 / -9 michaeljclapham tom.wey
4 - 2021-05-28 2021-06-16 3 3 +8 / -0 michaeljclapham tom.wey
Files With Most Contributors (Top 9)
Based on the number of unique email addresses found in commits.

See data for all files...

File# lines# unitscreatedlast modified# changes
(days)		# contributorsline
churn		first
contributor		latest
contributor
cfn.yaml
in root
 191 - 2021-06-03 2026-06-04 14 10 +339 / -39 michael.clapham juarez.mota.mindera
app.ts
in src
 214 6 2021-05-28 2026-06-04 15 8 +576 / -213 michael.clapham juarez.mota.mindera
63 5 2021-06-14 2026-06-04 6 7 +140 / -11 michaeljclapham juarez.mota.mindera
uiHtml.ts
in src
 144 2 2021-10-26 2026-06-04 6 7 +186 / -12 michael.clapham juarez.mota.mindera
index.ts
in src
 15 - 2021-05-28 2026-05-22 9 5 +175 / -136 michael.clapham anastasiia.balenko.mindera
dependabot.yml
in .github
 18 - 2021-06-09 2026-06-04 4 5 +70 / -22 michael.clapham juarez.mota.mindera
18 - 2021-06-01 2021-06-16 3 3 +47 / -9 michaeljclapham tom.wey
4 - 2021-05-28 2021-06-16 3 3 +8 / -0 michaeljclapham tom.wey
28 1 2026-06-04 2026-06-04 1 2 +66 / -0 juabara juarez.mota.mindera
Files With Least Contributors (Top 9)
Based on the number of unique email addresses found in commits.

See data for all files...

File# lines# unitscreatedlast modified# changes
(days)		# contributorsline
churn		first
contributor		latest
contributor
28 1 2026-06-04 2026-06-04 1 2 +66 / -0 juabara juarez.mota.mindera
18 - 2021-06-01 2021-06-16 3 3 +47 / -9 michaeljclapham tom.wey
4 - 2021-05-28 2021-06-16 3 3 +8 / -0 michaeljclapham tom.wey
dependabot.yml
in .github
 18 - 2021-06-09 2026-06-04 4 5 +70 / -22 michael.clapham juarez.mota.mindera
index.ts
in src
 15 - 2021-05-28 2026-05-22 9 5 +175 / -136 michael.clapham anastasiia.balenko.mindera
uiHtml.ts
in src
 144 2 2021-10-26 2026-06-04 6 7 +186 / -12 michael.clapham juarez.mota.mindera
63 5 2021-06-14 2026-06-04 6 7 +140 / -11 michaeljclapham juarez.mota.mindera
app.ts
in src
 214 6 2021-05-28 2026-06-04 15 8 +576 / -213 michael.clapham juarez.mota.mindera
cfn.yaml
in root
 191 - 2021-06-03 2026-06-04 14 10 +339 / -39 michael.clapham juarez.mota.mindera
Correlations

File Size vs. Number of Changes: 9 points

.github/dependabot.yml x: 18 lines of code y: 4 # changes cfn.yaml x: 191 lines of code y: 14 # changes src/app.ts x: 214 lines of code y: 15 # changes src/environment.ts x: 63 lines of code y: 6 # changes src/secrets.ts x: 28 lines of code y: 1 # changes src/uiHtml.ts x: 144 lines of code y: 6 # changes src/index.ts x: 15 lines of code y: 9 # changes nginx/nginx-mappings.yml x: 4 lines of code y: 3 # changes rollup.config.js x: 18 lines of code y: 3 # changes
15.0
# changes
  min: 1.0
  average: 6.78
  25th percentile: 3.0
  median: 6.0
  75th percentile: 11.5
  max: 15.0
0 214.0
lines of code
min: 4.0 | average: 77.22 | 25th percentile: 16.5 | median: 28.0 | 75th percentile: 167.5 | max: 214.0

Number of Contributors vs. Number of Changes: 9 points

.github/dependabot.yml x: 5 # contributors y: 4 # changes cfn.yaml x: 10 # contributors y: 14 # changes src/app.ts x: 8 # contributors y: 15 # changes src/environment.ts x: 7 # contributors y: 6 # changes src/secrets.ts x: 2 # contributors y: 1 # changes src/index.ts x: 5 # contributors y: 9 # changes nginx/nginx-mappings.yml x: 3 # contributors y: 3 # changes
15.0
# changes
  min: 1.0
  average: 6.78
  25th percentile: 3.0
  median: 6.0
  75th percentile: 11.5
  max: 15.0
0 10.0
# contributors
min: 2.0 | average: 5.56 | 25th percentile: 3.0 | median: 5.0 | 75th percentile: 7.5 | max: 10.0

Number of Contributors vs. File Size: 9 points

.github/dependabot.yml x: 5 # contributors y: 18 lines of code cfn.yaml x: 10 # contributors y: 191 lines of code src/app.ts x: 8 # contributors y: 214 lines of code src/environment.ts x: 7 # contributors y: 63 lines of code src/secrets.ts x: 2 # contributors y: 28 lines of code src/uiHtml.ts x: 7 # contributors y: 144 lines of code src/index.ts x: 5 # contributors y: 15 lines of code nginx/nginx-mappings.yml x: 3 # contributors y: 4 lines of code rollup.config.js x: 3 # contributors y: 18 lines of code
214.0
lines of code
  min: 4.0
  average: 77.22
  25th percentile: 16.5
  median: 28.0
  75th percentile: 167.5
  max: 214.0
0 10.0
# contributors
min: 2.0 | average: 5.56 | 25th percentile: 3.0 | median: 5.0 | 75th percentile: 7.5 | max: 10.0

Number of Changes vs. Line Churn: 42 points

.github/workflows/build.yml x: 3 # changes y: 113 line churn .nvmrc x: 6 # changes y: 12 line churn .tool-versions x: 1 # changes y: 1 line churn package.json x: 40 # changes y: 425 line churn pnpm-lock.yaml x: 8 # changes y: 25715 line churn .github/dependabot.yml x: 4 # changes y: 92 line churn README.md x: 8 # changes y: 134 line churn cfn.yaml x: 14 # changes y: 378 line churn src/app.test.ts x: 7 # changes y: 588 line churn src/app.ts x: 15 # changes y: 789 line churn src/index.ts x: 9 # changes y: 311 line churn .gitignore x: 5 # changes y: 18 line churn yarn.lock x: 41 # changes y: 84137 line churn .github/workflows/check-labels.yaml x: 2 # changes y: 18 line churn riff-raff.yaml x: 7 # changes y: 110 line churn package-lock.json x: 6 # changes y: 44572 line churn
84137.0
line churn
  min: 1.0
  average: 3780.55
  25th percentile: 17.0
  median: 55.0
  75th percentile: 138.25
  max: 84137.0
0 41.0
# changes
min: 1.0 | average: 5.9 | 25th percentile: 2.0 | median: 3.0 | 75th percentile: 6.0 | max: 41.0

Number of Contributors vs. Line Churn: 9 points

.github/dependabot.yml x: 5 # contributors y: 92 line churn cfn.yaml x: 10 # contributors y: 378 line churn src/app.ts x: 8 # contributors y: 789 line churn src/environment.ts x: 7 # contributors y: 151 line churn src/secrets.ts x: 2 # contributors y: 66 line churn src/uiHtml.ts x: 7 # contributors y: 198 line churn src/index.ts x: 5 # contributors y: 311 line churn nginx/nginx-mappings.yml x: 3 # contributors y: 8 line churn rollup.config.js x: 3 # contributors y: 56 line churn
789.0
line churn
  min: 8.0
  average: 227.67
  25th percentile: 61.0
  median: 151.0
  75th percentile: 344.5
  max: 789.0
0 10.0
# contributors
min: 2.0 | average: 5.56 | 25th percentile: 3.0 | median: 5.0 | 75th percentile: 7.5 | max: 10.0

File Size vs. Line Churn: 9 points

.github/dependabot.yml x: 18 lines of code y: 92 line churn cfn.yaml x: 191 lines of code y: 378 line churn src/app.ts x: 214 lines of code y: 789 line churn src/environment.ts x: 63 lines of code y: 151 line churn src/secrets.ts x: 28 lines of code y: 66 line churn src/uiHtml.ts x: 144 lines of code y: 198 line churn src/index.ts x: 15 lines of code y: 311 line churn nginx/nginx-mappings.yml x: 4 lines of code y: 8 line churn rollup.config.js x: 18 lines of code y: 56 line churn
789.0
line churn
  min: 8.0
  average: 227.67
  25th percentile: 61.0
  median: 151.0
  75th percentile: 344.5
  max: 789.0
0 214.0
lines of code
min: 4.0 | average: 77.22 | 25th percentile: 16.5 | median: 28.0 | 75th percentile: 167.5 | max: 214.0