Function isNumericArray

lib/texture.js:183–188

(arr)

FORMAT_SIZES_SPECIAL[GL_COMPRESSED_RGB_ETC1_WEBGL] = 0.5

function isNumericArray (arr) {
  return (
    Array.isArray(arr) &&
    (arr.length === 0 ||
    typeof arr[0] === 'number'))
}

function isRectArray (arr) {
  if (!Array.isArray(arr)) {