TypeScript adoption over time

stats.sh

#!/bin/bash

# Generate TypeScript adoption data
# Google Docs Spreadsheet: 
# https://docs.google.com/spreadsheets/d/13iDFWEhGbE8ZGu1LoXmRINy1ZSLd227mAFj99Evl6fc
# Usage:
# bash ./stats.sh > results.tsv
# Copy paste data into sheet

DATE="2022-07-01" # Tune this file to set start date of adoption

COMMITS_WITH_TIMESTAMP=`git log --pretty='format:%H-%ct' --after="$DATE"`
T=$(printf "\t")
echo "TIMESTAMP $T JSX $T JS $T TSX $T TS"
for c in $COMMITS_WITH_TIMESTAMP
do
    COMMIT=$(echo $c | cut -d "-" -f 1)
    TIMESTAMP=$(echo $c | cut -d "-" -f 2)
    git checkout $COMMIT > /dev/null
    JSX=$(find src/* -name "*.jsx" | xargs cat | wc -l)
    JS=$(find src/* -name "*.js" | xargs cat | wc -l)
    TSX=$(find src/* -name "*.tsx" | xargs cat | wc -l)
    TS=$(find src/* -name "*.ts" | xargs cat | wc -l)
    echo "$TIMESTAMP $T $JSX $T $JS $T $TSX $T $TS"
done

git checkout mainline > /dev/null