##
# The MIT License (MIT)
#
# Copyright (c) 2014 Ryan Morrissey
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
#
module Jekyll
module ReadingTimeFilter
##
# Outputs the reading time
# Read this in “# minute(s)” or "< 1 minute"
# Put into your _plugins dir in your Jekyll site
# Usage: Read content in about {{ page.content | reading_time }}
def reading_time(input)
wpm = 180 # average wpm for monitor reading
words = input.split.size;
minutes = (words / wpm).floor
label = minutes === 1 ? " minute" : " minutes"
minutes > 0 ? "#{minutes} #{label}" : "< 1 minute"
end
end
end
Liquid::Template.register_filter(Jekyll::ReadingTimeFilter)