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util.jsonpointer: Fix Lua <5.3 compat

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This commit is contained in:
Kim Alvefur 2022-05-09 22:36:57 +02:00
parent d05af9f2b5
commit d9de9b5627
1 changed files with 5 additions and 1 deletions
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6
util/jsonpointer.lua
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@ -1,3 +1,7 @@
local m_type = math.type or function (n)
return n % 1 == 0 and n <= 9007199254740992 and n >= -9007199254740992 and "integer" or "float";
end;
local function unescape_token(escaped_token)
local unescaped = escaped_token:gsub("~1", "/"):gsub("~0", "~")
return unescaped
@ -15,7 +19,7 @@ local function resolve_json_pointer(ref, path)
if type(idx) == "string" then
new_ref = ref[token]
elseif math.type(idx) == "integer" then
elseif m_type(idx) == "integer" then
local i = tonumber(token)
if token == "-" then
i = #ref + 1