Template:
<script type="text/javascript">
people = [];
(function () {
{repeat}
people.push({
name: "#{people[index].name}"
});
{repeat}
})();
</script>
Expected Result:
<script type="text/javascript">
people = [];
(function () {
{repeat}
people.push({
name: "suzuki"
});
people.push({
name: "tanaka"
});
people.push({
name: "bob"
});
})();
</script>
Coffee Script’s main code:
class Tag
constructor: (data, text) ->
@validated = data
@text = text
@keywords = [
/^numpeople$/
/^people$/
/^people\[[0-9]\].name$/
]
validate: (str) ->
for keyword in @keywords
if keyword.test(str)
return true
return false
string_to_value: (str) ->
# Syntax Sugar
if str == 'names'
names = []
for people, i in @validated.people
names.push "'#{people.name}'"
names.toString()
# Normal replace
else
if @validate(str)
eval("this.validated." + str)
else
str
replace: () ->
# Replace repeatable line
targets = @text.match(/{repeat}([\n\r]|.)*?{repeat}/)
if targets != null
target = targets[0]
insert_line = target.substring(12,target.length-13)
result = ""
for item, i in @validated.items
replaced_insert_line = insert_line.replace(/{index\+1}/g, i+1)
replaced_insert_line = replaced_insert_line.replace(/index/g, i)
result += replaced_insert_line
@text = @text.replace(/{repeat}([\n\r]|.)*?{repeat}/, result)
# Replace variable
targets = @text.match(/#{.*?}/g)
if targets != null
for target in targets
pattern = target.replace(/\[/g, '\\[')
pattern = pattern.replace(/\]/g, '\\]')
regex = new RegExp(pattern, 'g')
@text = @text.replace(regex, @string_to_value(target.substring(2,target.length-1)))
get_tag: () ->
@text
exports.Tag = Tag
