lib-font/src/opentype/tables/simple/ttf/prep.js

A JS based OpenType font inspector

import { SimpleTable } from "../../simple-table.js";
import lazy from "../../../../lazy.js";

/**
 * The OpenType `prep` table.
 *
 * See https://docs.microsoft.com/en-us/typography/opentype/spec/prep
 */
class prep extends SimpleTable {
  constructor(dict, dataview) {
    const { p } = super(dict, dataview);
    //
    // The actual data is n instructions, where n is the number of
    // uint8 items that fit in the size of the table... so, table.length
    //
    lazy(this, `instructions`, () =>
      [...new Array(dict.length)].map((_) => p.uint8)
    );
  }
}

export { prep };