docs: improve metrics script, add graphs

scripts/stats-assemble.sh

@@ -3,13 +3,12 @@
 DIR=$(dirname "$0")
 
 # CSV header corresponding to lines in the metrics
-echo "Commit,Version,Date,TS,JS,TS%,lib,test,Dependencies,window,Directives,Components"
+echo "Commit,Version,Date,TS,JS,TS%,RepoSize,LibSize,TestLoc,Deps,Window,Directives,Components"
 
 # Check out each tagged version and run metrics
-# Skip v6.x, it had lots of dependencies checked in
-for TAG in $(git tag | grep -v 'v6'); do
+for TAG in $(git tag); do
     git checkout -q "$TAG"
     DATE=$(git show --no-patch --format=%cs)
     # Output as CSV rows
-    "$DIR"/fe-stats-get.sh -q | paste -sd , -
+    "$DIR"/stats-get.sh -q | paste -sd , -
 done

scripts/stats-get.sh

@@ -33,7 +33,7 @@ label "JavaScript lines of code" $WC_JS
 label "Ratio of TypeScript" $TS_RATIO%
 
 label "Size of repo (KB)"
-git ls-files | xargs du --apparent-size -c | tail -n1 | cut -f1
+git ls-files -z | xargs -0 du --apparent-size -c | tail -n1 | cut -f1
 
 label "Size of lib/ (KB)"
 du --apparent-size -s app/lib/ | cut -f1

scripts/stats-graphs.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+
+# Lines in JS/TS files
+cat ../fe-stats.csv | qsvlite select Date,JS,TS | graph - --xcol 1 --yrange 0:40000 --ylabel Lines -o ../fe-stats-ts.png
+
+# Size (KB) of full repo vs lib/
+cat ../fe-stats.csv | qsvlite select Date,RepoSize,LibSize | qsvlite slice -s 2 | graph - -x 1 --ylabel KB -o ../fe-stats-size.png
+
+# Counts of direct dependences, global window vars, AngularJS Directives and Components
+cat ../fe-stats.csv | qsvlite select Date,Deps,Window,Directives,Components | graph - --xcol 1 --ylabel Count -o ../fe-stats-count.png
+

scripts/stats-run.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+
+DIR=$(dirname $0)
+cd "$DIR"/..
+cp scripts/*.sh .
+./stats-assemble.sh > ../fe-stats.csv
+./stats-graphs.sh
+git checkout code-metrics