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# frozen_string_literal: true
# Based on code from @robacarp found in issue 48:
# https://github.com/davishmcclurg/json_schemer/issues/48
#
module JSONSchemer
module Errors
class << self
def pretty(error)
data_pointer, type, schema = error.values_at('data_pointer', 'type', 'schema')
location = data_pointer.empty? ? 'root' : "property '#{data_pointer}'"
case type
when 'required'
keys = error.fetch('details').fetch('missing_keys').join(', ')
"#{location} is missing required keys: #{keys}"
when 'null', 'string', 'boolean', 'integer', 'number', 'array', 'object'
"#{location} is not of type: #{type}"
when 'pattern'
"#{location} does not match pattern: #{schema.fetch('pattern')}"
when 'format'
"#{location} does not match format: #{schema.fetch('format')}"
when 'const'
"#{location} is not: #{schema.fetch('const').inspect}"
when 'enum'
"#{location} is not one of: #{schema.fetch('enum')}"
else
"#{location} is invalid: error_type=#{type}"
end
end
end
end
end
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