prosody
9dc34e1556d9
util/human/io.lua

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util/human/io.lua @ 10911:9dc34e1556d9

util.human.io.table: Allow a map callaback per column This allows e.g. mapping booleans to "yes" or "no", specific number formatting or generating virtual columns. All while not mutating the underlying data or creating additional temporary tables.
author Kim Alvefur <zash@zash.se>
date Thu, 04 Jun 2020 21:32:28 +0200
parent 10910:e890b83f08cf
child 10917:1eb83bc6f706
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equal deleted inserted replaced
10910:e890b83f08cf 10911:9dc34e1556d9
129 titles, row = true, array.pluck(col_specs, "title", ""); 129 titles, row = true, array.pluck(col_specs, "title", "");
130 end 130 end
131 local output = {}; 131 local output = {};
132 for i, column in ipairs(col_specs) do 132 for i, column in ipairs(col_specs) do
133 local width = widths[i]; 133 local width = widths[i];
134 local v = tostring(row[not titles and column.key or i] or ""); 134 local v = (not titles and column.mapper or tostring)(row[not titles and column.key or i] or "", row);
135 if #v < width then 135 if #v < width then
136 if column.align == "right" then 136 if column.align == "right" then
137 v = padleft(v, width-1).." "; 137 v = padleft(v, width-1).." ";
138 else 138 else
139 v = padright(v, width); 139 v = padright(v, width);