so-many-options.js

drawText(text, options) {
    const context = this.context;
    const { baseline, color, font, position, stroke } = options;

    if (!text.length || text.constructor !== String) {
        throw new Error(
            'Text must be a string with at least one character'
        );
    }

    if (!position || position.constructor !== Object) {
        throw new Error(
            'Position must be supplied in options as an object containing "left" and "top" properties'
        );
    }

    if (font) {
        context.font = font;
    }

    if (baseline) {
        context.textBaseline = baseline;
    }

    if (color) {
        context.fillStyle = color;
    }

    if (stroke) {
        context.lineWidth = stroke.width;
        context.strokeStyle = stroke.color;

        context.strokeText(text, position.left, position.top);
    } else {
        context.fillText(text, position.left, position.top);
    }

    return this;
}

Object.assign(context, {
  font,
  textBaseline: baseline,
  fillStyle: color,
  lineWidth: stroke ? stroke.width : context.lineWidth,
  strokeStyle: stroke ? stroke.color : context.strokeStyle
})

if (stroke) {
  context.strokeText(text, position.left, position.top);
} else {
  context.fillText(text, position.left, position.top);
}

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