pdf.js/docs/plugins/wintersmith-makerelative.coffee
2014-04-10 10:01:51 -07:00

15 lines
411 B
CoffeeScript

module.exports = (env, callback) ->
count = (string, substr) ->
num = pos = 0
return 1/0 unless substr.length
num++ while pos = 1 + string.indexOf(substr, pos)
num
env.helpers.makeRelative = (source, dest) ->
return dest unless dest.indexOf("/") == 0
depth = count(source, '/') # 1 being /
ret = ""
ret += "../" while depth = depth - 1
ret + dest.substr(1)
callback()