Method addPreprocessor

src/webpage/settings.ts:2257–2259

(func: (obj: Object) => void)

	}
	addColorInput(label: string, formName: string, {initColor = "", required = false} = {}) {
		const colorInput = this.options.addColorInput(label, (_) => {}, {
			initColor,
		});
		this.names.set(formName, colorInput);
		if (required) {
			this.required.add(colorInput);