Function toFont

src/helpers/helpers.options.ts:115–141

(options: Partial<FontSpec>, fallback?: Partial<FontSpec>)

 */

export function toFont(options: Partial<FontSpec>, fallback?: Partial<FontSpec>) {
  options = options || {};
  fallback = fallback || defaults.font as FontSpec;

  let size = valueOrDefault(options.size, fallback.size);

  if (typeof size === 'string') {
    size = parseInt(size, 10);
  }
  let style = valueOrDefault(options.style, fallback.style);
  if (style && !('' + style).match(FONT_STYLE)) {
    console.warn('Invalid font style specified: "' + style + '"');
    style = undefined;
  }

  const font = {
    family: valueOrDefault(options.family, fallback.family),
    lineHeight: toLineHeight(valueOrDefault(options.lineHeight, fallback.lineHeight), size),
    size,
    style,
    weight: valueOrDefault(options.weight, fallback.weight),
    string: ''
  };

  font.string = toFontString(font);
  return font;
}

/**
 * Evaluates the given `inputs` sequentially and returns the first defined value.