Merge pull request #37 from subzey/feat-readonly

Readonly<stuff>

src/api/chart-api.ts

@@ -247,7 +247,7 @@ export class ChartApi implements IChartApi, DataUpdatesConsumer<SeriesType> {
 		this._chartWidget.applyOptions(options);
 	}
 
-	public options(): ChartOptions {
+	public options(): Readonly<ChartOptions> {
 		return this._chartWidget.options();
 	}
 

src/api/ichart-api.ts

@@ -140,7 +140,7 @@ export interface IChartApi {
 	 * Returns currently applied options
 	 * @return - full set of currently applied options, including defaults
 	 */
-	options(): ChartOptions;
+	options(): Readonly<ChartOptions>;
 
 	/**
 	 * Removes branding text from the chart.

src/api/iprice-scale-api.ts

@@ -14,5 +14,5 @@ export interface IPriceScaleApi {
 	 * Returns currently applied options of the price scale
 	 * @return full set of currently applied options, including defaults
 	 */
-	options(): PriceScaleOptions;
+	options(): Readonly<PriceScaleOptions>;
 }

src/api/itime-scale-api.ts

@@ -62,5 +62,5 @@ export interface ITimeScaleApi {
 	 * Returns current options
 	 * @return - currently applied options
 	 */
-	options(): TimeScaleOptions;
+	options(): Readonly<TimeScaleOptions>;
 }

src/api/price-scale-api.ts

@@ -21,7 +21,7 @@ export class PriceScaleApi implements IPriceScaleApi, IDestroyable {
 		this._chartModel.applyOptions({ priceScale: options });
 	}
 
-	public options(): PriceScaleOptions {
+	public options(): Readonly<PriceScaleOptions> {
 		return this._priceScale().options();
 	}
 

src/api/time-scale-api.ts

@@ -93,7 +93,7 @@ export class TimeScaleApi implements ITimeScaleApi, IDestroyable {
 		this._timeScale().applyOptions(options);
 	}
 
-	public options(): TimeScaleOptions {
+	public options(): Readonly<TimeScaleOptions> {
 		return clone(this._timeScale().options());
 	}
 

src/gui/chart-widget.ts

@@ -98,7 +98,7 @@ export class ChartWidget implements IDestroyable {
 		return this._model;
 	}
 
-	public options(): ChartOptions {
+	public options(): Readonly<ChartOptions> {
 		return this._options;
 	}
 

src/gui/price-axis-widget.ts

@@ -139,7 +139,7 @@ export class PriceAxisWidget implements IDestroyable {
 		return makeFont(this.fontSize(), this._options.fontFamily);
 	}
 
-	public rendererOptions(): PriceAxisViewRendererOptions {
+	public rendererOptions(): Readonly<PriceAxisViewRendererOptions> {
 		const options = this._rendererOptionsProvider.options();
 
 		const isColorChanged = this._color !== options.color;

src/gui/time-axis-widget.ts

@@ -402,7 +402,7 @@ export class TimeAxisWidget implements MouseEventHandlers, IDestroyable {
 		return makeFont(this._fontSize(), this._options.fontFamily, 'bold');
 	}
 
-	private _getRendererOptions(): TimeAxisViewRendererOptions {
+	private _getRendererOptions(): Readonly<TimeAxisViewRendererOptions> {
 		if (this._rendererOptions === null) {
 			this._rendererOptions = {
 				borderSize: Constants.BorderSize,

src/model/chart-model.ts

@@ -130,7 +130,7 @@ export class ChartModel implements IDestroyable {
 		this._hoveredSource = source;
 	}
 
-	public options(): ChartOptions {
+	public options(): Readonly<ChartOptions> {
 		return this._options;
 	}
 
@@ -162,7 +162,7 @@ export class ChartModel implements IDestroyable {
 		return this._timeScale;
 	}
 
-	public panes(): Pane[] {
+	public panes(): ReadonlyArray<Pane> {
 		return this._panes;
 	}
 
@@ -492,7 +492,7 @@ export class ChartModel implements IDestroyable {
 		return this._rendererOptionsProvider;
 	}
 
-	public priceAxisRendererOptions(): PriceAxisViewRendererOptions {
+	public priceAxisRendererOptions(): Readonly<PriceAxisViewRendererOptions> {
 		return this._rendererOptionsProvider.options();
 	}
 

src/model/crosshair.ts

@@ -147,7 +147,7 @@ export class Crosshair extends DataSource {
 		return this._index;
 	}
 
-	public options(): CrosshairOptions {
+	public options(): Readonly<CrosshairOptions> {
 		return this._options;
 	}
 
@@ -207,7 +207,7 @@ export class Crosshair extends DataSource {
 		this.clearOriginCoord();
 	}
 
-	public paneViews(pane: Pane): IPaneView[] {
+	public paneViews(pane: Pane): ReadonlyArray<IPaneView> {
 		return this._pane !== null ? [this._paneView, this._markersPaneView] : [];
 	}
 

src/model/price-scale.ts

@@ -144,7 +144,7 @@ export class PriceScale {
 		this._markBuilder = new PriceTickMarkBuilder(this, 100, this._coordinateToLogical.bind(this), this._logicalToCoordinate.bind(this));
 	}
 
-	public options(): PriceScaleOptions {
+	public options(): Readonly<PriceScaleOptions> {
 		return this._options;
 	}
 

src/model/time-scale.ts

@@ -94,7 +94,7 @@ export class TimeScale {
 		this._updateDateTimeFormatter();
 	}
 
-	public options(): TimeScaleOptions {
+	public options(): Readonly<TimeScaleOptions> {
 		return this._options;
 	}
 

src/model/watermark.ts

@@ -35,7 +35,7 @@ export class Watermark extends DataSource {
 		return [this._paneView];
 	}
 
-	public options(): WatermarkOptions {
+	public options(): Readonly<WatermarkOptions> {
 		return this._options;
 	}
 

src/renderers/price-axis-renderer-options-provider.ts

@@ -32,7 +32,7 @@ export class PriceAxisRendererOptionsProvider {
 		this._chartModel = chartModel;
 	}
 
-	public options(): PriceAxisViewRendererOptions {
+	public options(): Readonly<PriceAxisViewRendererOptions> {
 		const rendererOptions = this._rendererOptions;
 
 		const currentFontSize = this._fontSize();