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feat: avoid requiring extra dependency unless we really need it #59

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Merged
merged 1 commit into from
Mar 21, 2021
Merged

feat: avoid requiring extra dependency unless we really need it #59

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15 changes: 11 additions & 4 deletions lib/jsonschema.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -40,17 +40,24 @@ do
end

local match_pattern
local rex_find
if ngx then
local function re_find(s, p)
return ngx.re.find(s, p, "jo")
end
match_pattern = re_find
else
local ok, rex = pcall(require, "rex_pcre")
if not ok then
error("depends on lrexlib-pcre, please install it first: " .. rex)
match_pattern = function (s, p)
if not rex_find then
local ok, rex = pcall(require, "rex_pcre")
if not ok then
error("depends on lrexlib-pcre, please install it first: " .. rex)
end

rex_find = rex.find
end
return rex_find(s, p)
end
match_pattern = rex.find
end

local parse_ipv4
Expand Down