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0.1.0
A JSON Schema Validator with complete support for the latest specifications.
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lib/jsv/build_error.ex
defmodule JSV.BuildError do
@moduledoc """
A simple wrapper for errors returned from `JSV.build/2`.
"""
@inspect_limit 20
@enforce_keys [:reason, :action, :build_path]
defexception @enforce_keys
@doc """
Wraps the given term as the `reason` in a `#{inspect(__MODULE__)}` struct.
The `action` should be a `{module, function, [arg1, arg2, ..., argN]}` tuple or
a mfa tuple whenever possible.
"""
@spec of(term, term, build_path :: nil | String.t()) :: Exception.t()
def of(reason, action, build_path \\ nil) do
%__MODULE__{reason: reason, action: action, build_path: build_path}
end
@impl true
def message(%{action: {m, f, a}} = e) when is_atom(m) and is_atom(f) and (is_list(a) or is_integer(a)) do
"""
could not build JSON schema at #{e.build_path}
REASON
#{inspect(e.reason, pretty: true, limit: @inspect_limit)}
CONTEXT
#{Exception.format_mfa(m, f, a)}
"""
end
def message(e) do
"could not build JSON schema at #{e.build_path}, got error: #{inspect(e.reason, limit: @inspect_limit)} for #{inspect(e.action, limit: @inspect_limit)}"
end
end