east Function – emitGlyphSpans

const emitGlyphSpans: (
  context: SDFFontContextProps,
  layout: Rectangle,
  currentIndex: number,
  font: number[],
  spans: Tuples<3>,
  glyphs: Tuples<4>,
  breaks: Uint32Array,
  start: number,
  end: number,
  size: number,
  gap: number,
  lead: number,
  snap: boolean,
  emit: (
    l1: number,
    t1: number,
    r1: number,
    b1: number,
    l2: number,
    t2: number,
    r2: number,
    b2: number,
    i: number,
  ) => void,
) => void

Source

packages / workbench / src / text / providers / sdf-font-provider.ts