guardian / editorial-tools-user-telemetry-service
File Change Frequency

File change frequency (churn) shows the distribution of file updates (days with at least one commit).

Overview
File Change Frequency Overall
  • There are 22 files with 1,149 lines of code.
    • 0 files changed more than 100 times (0 lines of code)
    • 0 files changed 51-100 times (0 lines of code)
    • 1 file changed 21-50 times (282 lines of code)
    • 8 files changed 6-20 times (652 lines of code)
    • 13 files changed 1-5 times (215 lines of code)
0% | 0% | 24% | 56% | 18%
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 22 files with 1,149 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)
    • 2 files changed by 6-10 contributors (406 lines of code)
    • 10 files changed by 2-5 contributors (577 lines of code)
    • 10 files changed by 1 contributor (166 lines of code)
0% | 0% | 35% | 50% | 14%
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, md, yaml, gitignore, js, sh, snap, cjs, txt
File Change Frequency per Extension
The number of recorded file updates
101+
51-100
21-50
6-20
1-5
ts0% | 0% | 25% | 57% | 17%
cjs0% | 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
cdk0% | 0% | 100% | 0% | 0%
projects0% | 0% | 0% | 75% | 24%
Most Frequently Changed Files (Top 22)

See data for all files...

File# lines# unitscreatedlast modified# changes
(days)		# contributorsfirst
contributor		latest
contributor
282 1 2020-08-28 2025-03-26 29 10 jonathon.herbert@guardian.c... samhession@live.co.uk
application.ts
in projects/event-lambdas/src/event-api-lambda
 124 - 2020-09-09 2025-04-29 20 7 jonathon.herbert@guardian.c... samhession@live.co.uk
util.ts
in projects/event-lambdas/src/lib
 223 1 2020-09-04 2025-04-29 15 5 jonathon.herbert@guardian.c... samhession@live.co.uk
constants.ts
in projects/event-lambdas/src/lib
 14 - 2020-09-04 2025-04-16 11 4 jonathon.herbert@guardian.c... samhession@live.co.uk
authentication.ts
in projects/event-lambdas/src/lib
 74 3 2020-09-09 2025-03-26 10 4 jonathon.herbert@guardian.c... samhession@live.co.uk
index.ts
in projects/event-lambdas/src/event-api-lambda
 65 1 2020-09-04 2025-05-06 9 4 jonathon.herbert@guardian.c... samhession@live.co.uk
TelemetryService.ts
in projects/user-telemetry-client/src
 45 3 2020-09-15 2025-03-25 8 2 alex.ware@guardian.co.uk samhession@live.co.uk
index.ts
in projects/event-lambdas/src/redrive-from-S3-lambda
 73 - 2024-11-08 2024-12-20 7 1 tom.richards@guardian.co.uk tom.richards@guardian.co.uk
index.ts
in projects/event-lambdas/src/event-s3-lambda
 34 - 2020-09-04 2024-12-20 6 2 jonathon.herbert@guardian.c... tom.richards@guardian.co.uk
index.ts
in projects/user-telemetry-client/src
 2 - 2022-02-23 2025-03-25 5 1 samhession@live.co.uk samhession@live.co.uk
IUserTelemetryEvent.ts
in projects/definitions
 10 - 2020-09-02 2024-12-20 5 2 jonathon.herbert@guardian.c... tom.richards@guardian.co.uk
response.ts
in projects/event-lambdas/src/lib
 14 - 2020-09-04 2020-09-16 5 1 jonathon.herbert@guardian.c... jonathon.herbert@guardian.c...
panda-hmac.ts
in projects/event-lambdas/src/lib
 40 3 2023-05-16 2023-06-30 5 2 kenoir@gmail.com kenoir@users.noreply.github...
aws.ts
in projects/event-lambdas/src/lib
 19 - 2020-09-04 2023-05-26 4 3 jonathon.herbert@guardian.c... kenoir@users.noreply.github...
secrets.ts
in projects/event-lambdas/src/lib
 53 1 2023-05-17 2023-05-26 3 2 kenoir@gmail.com kenoir@users.noreply.github...
index.ts
in projects/user-telemetry-client/src/authentication/node
 1 - 2025-03-24 2025-03-25 2 1 samhession@live.co.uk samhession@live.co.uk
IUserTelemetryEventWithId.ts
in projects/definitions
 4 - 2024-11-25 2024-12-20 2 1 tom.richards@guardian.co.uk tom.richards@guardian.co.uk
types.ts
in projects/event-lambdas/src/lib
 5 - 2020-09-04 2020-09-08 2 1 jonathon.herbert@guardian.c... jonathon.herbert@guardian.c...
AuthCookie.ts
in projects/user-telemetry-client/src/authentication
 6 1 2025-03-17 2025-03-25 2 1 samhession@live.co.uk samhession@live.co.uk
util.ts
in projects/event-lambdas/src/event-api-lambda
 13 - 2020-09-15 2020-09-16 2 1 jonathon.herbert@guardian.c... jonathon.herbert@guardian.c...
HmacRequest.ts
in projects/user-telemetry-client/src/authentication/node
 27 2 2025-03-24 2025-03-25 2 1 samhession@live.co.uk samhession@live.co.uk
release.config.cjs
in projects/user-telemetry-client
 21 - 2022-03-15 2022-03-15 1 1 samhession@live.co.uk samhession@live.co.uk
Files With Most Contributors (Top 22)
Based on the number of unique email addresses found in commits.

See data for all files...

File# lines# unitscreatedlast modified# changes
(days)		# contributorsfirst
contributor		latest
contributor
282 1 2020-08-28 2025-03-26 29 10 jonathon.herbert@guardian.c... samhession@live.co.uk
application.ts
in projects/event-lambdas/src/event-api-lambda
 124 - 2020-09-09 2025-04-29 20 7 jonathon.herbert@guardian.c... samhession@live.co.uk
util.ts
in projects/event-lambdas/src/lib
 223 1 2020-09-04 2025-04-29 15 5 jonathon.herbert@guardian.c... samhession@live.co.uk
constants.ts
in projects/event-lambdas/src/lib
 14 - 2020-09-04 2025-04-16 11 4 jonathon.herbert@guardian.c... samhession@live.co.uk
authentication.ts
in projects/event-lambdas/src/lib
 74 3 2020-09-09 2025-03-26 10 4 jonathon.herbert@guardian.c... samhession@live.co.uk
index.ts
in projects/event-lambdas/src/event-api-lambda
 65 1 2020-09-04 2025-05-06 9 4 jonathon.herbert@guardian.c... samhession@live.co.uk
aws.ts
in projects/event-lambdas/src/lib
 19 - 2020-09-04 2023-05-26 4 3 jonathon.herbert@guardian.c... kenoir@users.noreply.github...
TelemetryService.ts
in projects/user-telemetry-client/src
 45 3 2020-09-15 2025-03-25 8 2 alex.ware@guardian.co.uk samhession@live.co.uk
index.ts
in projects/event-lambdas/src/event-s3-lambda
 34 - 2020-09-04 2024-12-20 6 2 jonathon.herbert@guardian.c... tom.richards@guardian.co.uk
panda-hmac.ts
in projects/event-lambdas/src/lib
 40 3 2023-05-16 2023-06-30 5 2 kenoir@gmail.com kenoir@users.noreply.github...
IUserTelemetryEvent.ts
in projects/definitions
 10 - 2020-09-02 2024-12-20 5 2 jonathon.herbert@guardian.c... tom.richards@guardian.co.uk
secrets.ts
in projects/event-lambdas/src/lib
 53 1 2023-05-17 2023-05-26 3 2 kenoir@gmail.com kenoir@users.noreply.github...
index.ts
in projects/event-lambdas/src/redrive-from-S3-lambda
 73 - 2024-11-08 2024-12-20 7 1 tom.richards@guardian.co.uk tom.richards@guardian.co.uk
index.ts
in projects/user-telemetry-client/src
 2 - 2022-02-23 2025-03-25 5 1 samhession@live.co.uk samhession@live.co.uk
response.ts
in projects/event-lambdas/src/lib
 14 - 2020-09-04 2020-09-16 5 1 jonathon.herbert@guardian.c... jonathon.herbert@guardian.c...
AuthCookie.ts
in projects/user-telemetry-client/src/authentication
 6 1 2025-03-17 2025-03-25 2 1 samhession@live.co.uk samhession@live.co.uk
index.ts
in projects/user-telemetry-client/src/authentication/node
 1 - 2025-03-24 2025-03-25 2 1 samhession@live.co.uk samhession@live.co.uk
HmacRequest.ts
in projects/user-telemetry-client/src/authentication/node
 27 2 2025-03-24 2025-03-25 2 1 samhession@live.co.uk samhession@live.co.uk
util.ts
in projects/event-lambdas/src/event-api-lambda
 13 - 2020-09-15 2020-09-16 2 1 jonathon.herbert@guardian.c... jonathon.herbert@guardian.c...
types.ts
in projects/event-lambdas/src/lib
 5 - 2020-09-04 2020-09-08 2 1 jonathon.herbert@guardian.c... jonathon.herbert@guardian.c...
IUserTelemetryEventWithId.ts
in projects/definitions
 4 - 2024-11-25 2024-12-20 2 1 tom.richards@guardian.co.uk tom.richards@guardian.co.uk
release.config.cjs
in projects/user-telemetry-client
 21 - 2022-03-15 2022-03-15 1 1 samhession@live.co.uk samhession@live.co.uk
Files With Least Contributors (Top 22)
Based on the number of unique email addresses found in commits.

See data for all files...

File# lines# unitscreatedlast modified# changes
(days)		# contributorsfirst
contributor		latest
contributor
index.ts
in projects/event-lambdas/src/redrive-from-S3-lambda
 73 - 2024-11-08 2024-12-20 7 1 tom.richards@guardian.co.uk tom.richards@guardian.co.uk
HmacRequest.ts
in projects/user-telemetry-client/src/authentication/node
 27 2 2025-03-24 2025-03-25 2 1 samhession@live.co.uk samhession@live.co.uk
release.config.cjs
in projects/user-telemetry-client
 21 - 2022-03-15 2022-03-15 1 1 samhession@live.co.uk samhession@live.co.uk
response.ts
in projects/event-lambdas/src/lib
 14 - 2020-09-04 2020-09-16 5 1 jonathon.herbert@guardian.c... jonathon.herbert@guardian.c...
util.ts
in projects/event-lambdas/src/event-api-lambda
 13 - 2020-09-15 2020-09-16 2 1 jonathon.herbert@guardian.c... jonathon.herbert@guardian.c...
AuthCookie.ts
in projects/user-telemetry-client/src/authentication
 6 1 2025-03-17 2025-03-25 2 1 samhession@live.co.uk samhession@live.co.uk
types.ts
in projects/event-lambdas/src/lib
 5 - 2020-09-04 2020-09-08 2 1 jonathon.herbert@guardian.c... jonathon.herbert@guardian.c...
IUserTelemetryEventWithId.ts
in projects/definitions
 4 - 2024-11-25 2024-12-20 2 1 tom.richards@guardian.co.uk tom.richards@guardian.co.uk
index.ts
in projects/user-telemetry-client/src
 2 - 2022-02-23 2025-03-25 5 1 samhession@live.co.uk samhession@live.co.uk
index.ts
in projects/user-telemetry-client/src/authentication/node
 1 - 2025-03-24 2025-03-25 2 1 samhession@live.co.uk samhession@live.co.uk
secrets.ts
in projects/event-lambdas/src/lib
 53 1 2023-05-17 2023-05-26 3 2 kenoir@gmail.com kenoir@users.noreply.github...
TelemetryService.ts
in projects/user-telemetry-client/src
 45 3 2020-09-15 2025-03-25 8 2 alex.ware@guardian.co.uk samhession@live.co.uk
panda-hmac.ts
in projects/event-lambdas/src/lib
 40 3 2023-05-16 2023-06-30 5 2 kenoir@gmail.com kenoir@users.noreply.github...
index.ts
in projects/event-lambdas/src/event-s3-lambda
 34 - 2020-09-04 2024-12-20 6 2 jonathon.herbert@guardian.c... tom.richards@guardian.co.uk
IUserTelemetryEvent.ts
in projects/definitions
 10 - 2020-09-02 2024-12-20 5 2 jonathon.herbert@guardian.c... tom.richards@guardian.co.uk
aws.ts
in projects/event-lambdas/src/lib
 19 - 2020-09-04 2023-05-26 4 3 jonathon.herbert@guardian.c... kenoir@users.noreply.github...
authentication.ts
in projects/event-lambdas/src/lib
 74 3 2020-09-09 2025-03-26 10 4 jonathon.herbert@guardian.c... samhession@live.co.uk
index.ts
in projects/event-lambdas/src/event-api-lambda
 65 1 2020-09-04 2025-05-06 9 4 jonathon.herbert@guardian.c... samhession@live.co.uk
constants.ts
in projects/event-lambdas/src/lib
 14 - 2020-09-04 2025-04-16 11 4 jonathon.herbert@guardian.c... samhession@live.co.uk
util.ts
in projects/event-lambdas/src/lib
 223 1 2020-09-04 2025-04-29 15 5 jonathon.herbert@guardian.c... samhession@live.co.uk
application.ts
in projects/event-lambdas/src/event-api-lambda
 124 - 2020-09-09 2025-04-29 20 7 jonathon.herbert@guardian.c... samhession@live.co.uk
282 1 2020-08-28 2025-03-26 29 10 jonathon.herbert@guardian.c... samhession@live.co.uk
Correlations

File Size vs. Number of Changes: 22 points

projects/event-lambdas/src/event-api-lambda/index.ts x: 65 lines of code y: 9 # changes projects/event-lambdas/src/event-api-lambda/application.ts x: 124 lines of code y: 20 # changes projects/event-lambdas/src/lib/util.ts x: 223 lines of code y: 15 # changes projects/event-lambdas/src/lib/constants.ts x: 14 lines of code y: 11 # changes cdk/lib/telemetry-stack.ts x: 282 lines of code y: 29 # changes projects/event-lambdas/src/lib/authentication.ts x: 74 lines of code y: 10 # changes projects/user-telemetry-client/src/TelemetryService.ts x: 45 lines of code y: 8 # changes projects/user-telemetry-client/src/authentication/AuthCookie.ts x: 6 lines of code y: 2 # changes projects/user-telemetry-client/src/authentication/node/HmacRequest.ts x: 27 lines of code y: 2 # changes projects/user-telemetry-client/src/authentication/node/index.ts x: 1 lines of code y: 2 # changes projects/user-telemetry-client/src/index.ts x: 2 lines of code y: 5 # changes projects/definitions/IUserTelemetryEvent.ts x: 10 lines of code y: 5 # changes projects/definitions/IUserTelemetryEventWithId.ts x: 4 lines of code y: 2 # changes projects/event-lambdas/src/event-s3-lambda/index.ts x: 34 lines of code y: 6 # changes projects/event-lambdas/src/redrive-from-S3-lambda/index.ts x: 73 lines of code y: 7 # changes projects/event-lambdas/src/lib/panda-hmac.ts x: 40 lines of code y: 5 # changes projects/event-lambdas/src/lib/aws.ts x: 19 lines of code y: 4 # changes projects/event-lambdas/src/lib/secrets.ts x: 53 lines of code y: 3 # changes projects/user-telemetry-client/release.config.cjs x: 21 lines of code y: 1 # changes projects/event-lambdas/src/event-api-lambda/util.ts x: 13 lines of code y: 2 # changes projects/event-lambdas/src/lib/response.ts x: 14 lines of code y: 5 # changes projects/event-lambdas/src/lib/types.ts x: 5 lines of code y: 2 # changes
29.0
# changes
  min: 1.0
  average: 7.05
  25th percentile: 2.0
  median: 5.0
  75th percentile: 9.25
  max: 29.0
0 282.0
lines of code
min: 1.0 | average: 52.23 | 25th percentile: 9.0 | median: 24.0 | 75th percentile: 67.0 | max: 282.0

Number of Contributors vs. Number of Changes: 22 points

projects/event-lambdas/src/event-api-lambda/index.ts x: 4 # contributors y: 9 # changes projects/event-lambdas/src/event-api-lambda/application.ts x: 7 # contributors y: 20 # changes projects/event-lambdas/src/lib/util.ts x: 5 # contributors y: 15 # changes projects/event-lambdas/src/lib/constants.ts x: 4 # contributors y: 11 # changes cdk/lib/telemetry-stack.ts x: 10 # contributors y: 29 # changes projects/event-lambdas/src/lib/authentication.ts x: 4 # contributors y: 10 # changes projects/user-telemetry-client/src/TelemetryService.ts x: 2 # contributors y: 8 # changes projects/user-telemetry-client/src/authentication/AuthCookie.ts x: 1 # contributors y: 2 # changes projects/user-telemetry-client/src/index.ts x: 1 # contributors y: 5 # changes projects/definitions/IUserTelemetryEvent.ts x: 2 # contributors y: 5 # changes projects/event-lambdas/src/event-s3-lambda/index.ts x: 2 # contributors y: 6 # changes projects/event-lambdas/src/redrive-from-S3-lambda/index.ts x: 1 # contributors y: 7 # changes projects/event-lambdas/src/lib/aws.ts x: 3 # contributors y: 4 # changes projects/event-lambdas/src/lib/secrets.ts x: 2 # contributors y: 3 # changes projects/user-telemetry-client/release.config.cjs x: 1 # contributors y: 1 # changes
29.0
# changes
  min: 1.0
  average: 7.05
  25th percentile: 2.0
  median: 5.0
  75th percentile: 9.25
  max: 29.0
0 10.0
# contributors
min: 1.0 | average: 2.59 | 25th percentile: 1.0 | median: 2.0 | 75th percentile: 4.0 | max: 10.0

Number of Contributors vs. File Size: 22 points

projects/event-lambdas/src/event-api-lambda/index.ts x: 4 # contributors y: 65 lines of code projects/event-lambdas/src/event-api-lambda/application.ts x: 7 # contributors y: 124 lines of code projects/event-lambdas/src/lib/util.ts x: 5 # contributors y: 223 lines of code projects/event-lambdas/src/lib/constants.ts x: 4 # contributors y: 14 lines of code cdk/lib/telemetry-stack.ts x: 10 # contributors y: 282 lines of code projects/event-lambdas/src/lib/authentication.ts x: 4 # contributors y: 74 lines of code projects/user-telemetry-client/src/TelemetryService.ts x: 2 # contributors y: 45 lines of code projects/user-telemetry-client/src/authentication/AuthCookie.ts x: 1 # contributors y: 6 lines of code projects/user-telemetry-client/src/authentication/node/HmacRequest.ts x: 1 # contributors y: 27 lines of code projects/user-telemetry-client/src/authentication/node/index.ts x: 1 # contributors y: 1 lines of code projects/user-telemetry-client/src/index.ts x: 1 # contributors y: 2 lines of code projects/definitions/IUserTelemetryEvent.ts x: 2 # contributors y: 10 lines of code projects/definitions/IUserTelemetryEventWithId.ts x: 1 # contributors y: 4 lines of code projects/event-lambdas/src/event-s3-lambda/index.ts x: 2 # contributors y: 34 lines of code projects/event-lambdas/src/redrive-from-S3-lambda/index.ts x: 1 # contributors y: 73 lines of code projects/event-lambdas/src/lib/panda-hmac.ts x: 2 # contributors y: 40 lines of code projects/event-lambdas/src/lib/aws.ts x: 3 # contributors y: 19 lines of code projects/event-lambdas/src/lib/secrets.ts x: 2 # contributors y: 53 lines of code projects/user-telemetry-client/release.config.cjs x: 1 # contributors y: 21 lines of code projects/event-lambdas/src/event-api-lambda/util.ts x: 1 # contributors y: 13 lines of code projects/event-lambdas/src/lib/response.ts x: 1 # contributors y: 14 lines of code projects/event-lambdas/src/lib/types.ts x: 1 # contributors y: 5 lines of code
282.0
lines of code
  min: 1.0
  average: 52.23
  25th percentile: 9.0
  median: 24.0
  75th percentile: 67.0
  max: 282.0
0 10.0
# contributors
min: 1.0 | average: 2.59 | 25th percentile: 1.0 | median: 2.0 | 75th percentile: 4.0 | max: 10.0