enojs 0.17.2

parse
boolean
color
commaSeparated
date
datetime
float
integer
json
latLng
number
string
url
assertAllTouched
fieldsets
fieldset
element
elements
enforceAllElements
field
fields
list
lists
lookup
raw
section
sections
error
isEmpty
raw
value
elements
items
length
raw
assertAllTouched
element
elements
enforceAllElements
entry
raw
error
raw
value
cursor
selection
message
snippet
text

javascripttry {
  // ...
} catch(err) {
  if(err instanceof EnoError) {
    err.message;  // returns 'In line 4 'a' is copied into itself.'
  }
}