skgandikota/Matrix Generator

Dynamically generate a matrix JSON for GitHub Actions matrix strategy from inputs, files, or JSON arrays.

Trust Signals

name	description	required	default
values	Comma-separated values OR a JSON array (e.g. "a,b,c" or "[\"a\",\"b\",\"c\"]").	no	""
json	Raw JSON array of objects for complex matrices (e.g. [{"os":"ubuntu","node":"18"},{"os":"macos","node":"20"}]).	no	""
file	Path to a JSON file containing the matrix array.	no	""
name	Matrix variable name when using "values" input (used as the key in output JSON).	no	value
filter	JSONPath-style filter to exclude items (e.g. "os!=windows" or "node>=18").	no	""
include	JSON array of additional combinations to include.	no	[]
exclude	JSON array of combinations to exclude.	no	[]

name	description
matrix	The generated matrix JSON object, ready for fromJSON() in matrix strategy.
length	Number of matrix combinations.
is_empty	Whether the matrix has zero combinations (true/false).