Module:YouTube embed

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See {{YouTube embed}} and {{YouTube}}.

Usage

{{#invoke:YouTube embed|main|YouTube_video_ID}}

The above documentation is transcluded from Module:YouTube embed/doc. (edit | history)
Editors can experiment in this module's sandbox (create | mirror) and testcases (create) pages.
Subpages of this module.

local p = {}

-- Convert a string to a number, stripping non-digit characters
-- Strips decimals
local function toNumber(s, default)
    if not s then return default end
    local numStr = tostring(s):match("%d+%.?%d*")  -- capture digits and decimal
    return tonumber(numStr) or default
end

function p.main(frame)
    -- Width: extract number, default 325
    local width = toNumber(frame.args.width, 325)

    -- Height: extract number if provided, else calculate 16:9 rounded
    local height = toNumber(frame.args.height, math.floor(width * 9 / 16 + 0.5))

    return frame:extensionTag{
        name = 'youtube',
        content = frame.args[1] or frame.args.id or 'dQw4w9WgXcQ',
        args = {
            width = width,
            height = height
        }
    }
end

return p