Generate HTML/Markdown from RAML on file changes

ramlgen.sh

#!/usr/bin/env bash
#
# Attempts to regenerate HTML and Markdown files from RAML upon component
# file changes.
#
# NOTE: Requires `fswatch`

FSWATCH=$(which fswatch)
RAML2HTML=$(which raml2html)
RAML2MD=$(which raml2md)

EXCLUSION_PATTERN=".*"
INCLUSION_PATTERN=".*\.([ry]aml|example|schema|json)"
RAML_DOCNAME="agents"
WATCH_FOLDER="./"

# Check for supporting libs
[[ -e ${FSWATCH} ]] || echo "fswatch not found. Run 'brew install fswatch' and try again."
[[ -e ${RAML2HTML} ]] || echo "raml2html not found. Run 'npm install -g raml2tml' and try again."
[[ -e ${RAML2MD} ]] || echo "raml2md not found. Run 'npm install -g raml2md' and try again."
[[ -e ${FSWATCH} && -e ${RAML2HTML} && -e ${RAML2MD} ]] || exit 1

${FSWATCH} -r -o -E -e "${EXCLUSION_PATTERN}" -i "${INCLUSION_PATTERN}" ${WATCH_FOLDER} | \
  xargs  -I'{}' sh -c \
    "${RAML2HTML} ${RAML_DOCNAME}.raml > _generated/${RAML_DOCNAME}.html && \
     ${RAML2MD} ${RAML_DOCNAME}.raml > _generated/${RAML_DOCNAME}.md"