Introduce some functional programming techniques

src/file/drawing/anchor/anchor-attributes.ts

@@ -2,16 +2,16 @@ import { XmlAttributeComponent } from "file/xml-components";
 import { IDistance } from "../drawing";
 
 export interface IAnchorAttributes extends IDistance {
-    allowOverlap?: "0" | "1";
-    behindDoc?: "0" | "1";
-    layoutInCell?: "0" | "1";
-    locked?: "0" | "1";
-    relativeHeight?: number;
-    simplePos?: "0" | "1";
+    readonly allowOverlap?: "0" | "1";
+    readonly behindDoc?: "0" | "1";
+    readonly layoutInCell?: "0" | "1";
+    readonly locked?: "0" | "1";
+    readonly relativeHeight?: number;
+    readonly simplePos?: "0" | "1";
 }
 
 export class AnchorAttributes extends XmlAttributeComponent<IAnchorAttributes> {
-    protected xmlKeys = {
+    protected readonly xmlKeys = {
         distT: "distT",
         distB: "distB",
         distL: "distL",

src/file/drawing/doc-properties/doc-properties-attributes.ts

@@ -1,13 +1,13 @@
 import { XmlAttributeComponent } from "file/xml-components";
 
 export interface IDocPropertiesAttributes {
-    id?: number;
-    name?: string;
-    descr?: string;
+    readonly id?: number;
+    readonly name?: string;
+    readonly descr?: string;
 }
 
 export class DocPropertiesAttributes extends XmlAttributeComponent<IDocPropertiesAttributes> {
-    protected xmlKeys = {
+    protected readonly xmlKeys = {
         id: "id",
         name: "name",
         descr: "descr",

src/file/drawing/drawing.ts

@@ -11,16 +11,16 @@ export enum PlacementPosition {
 }
 
 export interface IDistance {
-    distT?: number;
-    distB?: number;
-    distL?: number;
-    distR?: number;
+    readonly distT?: number;
+    readonly distB?: number;
+    readonly distL?: number;
+    readonly distR?: number;
 }
 
 export interface IDrawingOptions {
-    position?: PlacementPosition;
-    textWrapping?: ITextWrapping;
-    floating?: IFloating;
+    readonly position?: PlacementPosition;
+    readonly textWrapping?: ITextWrapping;
+    readonly floating?: IFloating;
 }
 
 const defaultDrawingOptions: IDrawingOptions = {

src/file/drawing/effect-extent/effect-extent-attributes.ts

@@ -1,14 +1,14 @@
 import { XmlAttributeComponent } from "file/xml-components";
 
 export interface IEffectExtentAttributes {
-    b?: number;
-    l?: number;
-    r?: number;
-    t?: number;
+    readonly b?: number;
+    readonly l?: number;
+    readonly r?: number;
+    readonly t?: number;
 }
 
 export class EffectExtentAttributes extends XmlAttributeComponent<IEffectExtentAttributes> {
-    protected xmlKeys = {
+    protected readonly xmlKeys = {
         b: "b",
         l: "l",
         r: "r",

src/file/drawing/extent/extent-attributes.ts

@@ -1,12 +1,12 @@
 import { XmlAttributeComponent } from "file/xml-components";
 
 export interface IExtentAttributes {
-    cx?: number;
-    cy?: number;
+    readonly cx?: number;
+    readonly cy?: number;
 }
 
 export class ExtentAttributes extends XmlAttributeComponent<IExtentAttributes> {
-    protected xmlKeys = {
+    protected readonly xmlKeys = {
         cx: "cx",
         cy: "cy",
     };

src/file/drawing/floating/floating-position.ts

@@ -39,22 +39,22 @@ export enum VerticalPositionAlign {
 }
 
 export interface IHorizontalPositionOptions {
-    relative: HorizontalPositionRelativeFrom;
-    align?: HorizontalPositionAlign;
-    offset?: number;
+    readonly relative: HorizontalPositionRelativeFrom;
+    readonly align?: HorizontalPositionAlign;
+    readonly offset?: number;
 }
 
 export interface IVerticalPositionOptions {
-    relative: VerticalPositionRelativeFrom;
-    align?: VerticalPositionAlign;
-    offset?: number;
+    readonly relative: VerticalPositionRelativeFrom;
+    readonly align?: VerticalPositionAlign;
+    readonly offset?: number;
 }
 
 export interface IFloating {
-    horizontalPosition: IHorizontalPositionOptions;
-    verticalPosition: IVerticalPositionOptions;
-    allowOverlap?: boolean;
-    lockAnchor?: boolean;
-    behindDocument?: boolean;
-    layoutInCell?: boolean;
+    readonly horizontalPosition: IHorizontalPositionOptions;
+    readonly verticalPosition: IVerticalPositionOptions;
+    readonly allowOverlap?: boolean;
+    readonly lockAnchor?: boolean;
+    readonly behindDocument?: boolean;
+    readonly layoutInCell?: boolean;
 }

src/file/drawing/floating/horizontal-position.ts

@@ -5,11 +5,11 @@ import { HorizontalPositionRelativeFrom, IHorizontalPositionOptions } from "./fl
 import { PositionOffset } from "./position-offset";
 
 interface IHorizontalPositionAttributes {
-    relativeFrom: HorizontalPositionRelativeFrom;
+    readonly relativeFrom: HorizontalPositionRelativeFrom;
 }
 
 class HorizontalPositionAttributes extends XmlAttributeComponent<IHorizontalPositionAttributes> {
-    protected xmlKeys = {
+    protected readonly xmlKeys = {
         relativeFrom: "relativeFrom",
     };
 }

src/file/drawing/floating/simple-pos.ts

@@ -2,12 +2,12 @@
 import { XmlAttributeComponent, XmlComponent } from "file/xml-components";
 
 interface ISimplePosAttributes {
-    x: number;
-    y: number;
+    readonly x: number;
+    readonly y: number;
 }
 
 class SimplePosAttributes extends XmlAttributeComponent<ISimplePosAttributes> {
-    protected xmlKeys = {
+    protected readonly xmlKeys = {
         x: "x",
         y: "y",
     };

src/file/drawing/floating/vertical-position.ts

@@ -5,11 +5,11 @@ import { IVerticalPositionOptions, VerticalPositionRelativeFrom } from "./floati
 import { PositionOffset } from "./position-offset";
 
 interface IVerticalPositionAttributes {
-    relativeFrom: VerticalPositionRelativeFrom;
+    readonly relativeFrom: VerticalPositionRelativeFrom;
 }
 
 class VerticalPositionAttributes extends XmlAttributeComponent<IVerticalPositionAttributes> {
-    protected xmlKeys = {
+    protected readonly xmlKeys = {
         relativeFrom: "relativeFrom",
     };
 }

src/file/drawing/graphic-frame/graphic-frame-locks/graphic-frame-lock-attributes.ts

@@ -1,12 +1,12 @@
 import { XmlAttributeComponent } from "file/xml-components";
 
 export interface IGraphicFrameLockAttributes {
-    xmlns?: string;
-    noChangeAspect?: number;
+    readonly xmlns?: string;
+    readonly noChangeAspect?: number;
 }
 
 export class GraphicFrameLockAttributes extends XmlAttributeComponent<IGraphicFrameLockAttributes> {
-    protected xmlKeys = {
+    protected readonly xmlKeys = {
         xmlns: "xmlns:a",
         noChangeAspect: "noChangeAspect",
     };

src/file/drawing/inline/graphic/graphic-data/graphic-data-attribute.ts

@@ -1,11 +1,11 @@
 import { XmlAttributeComponent } from "file/xml-components";
 
 export interface IGraphicDataAttributes {
-    uri?: string;
+    readonly uri?: string;
 }
 
 export class GraphicDataAttributes extends XmlAttributeComponent<IGraphicDataAttributes> {
-    protected xmlKeys = {
+    protected readonly xmlKeys = {
         uri: "uri",
     };
 }

src/file/drawing/inline/graphic/graphic-data/pic/blip/blip.ts

@@ -1,12 +1,12 @@
 import { XmlAttributeComponent, XmlComponent } from "file/xml-components";
 
 interface IBlipProperties {
-    embed: string;
-    cstate: string;
+    readonly embed: string;
+    readonly cstate: string;
 }
 
 class BlipAttributes extends XmlAttributeComponent<IBlipProperties> {
-    protected xmlKeys = {
+    protected readonly xmlKeys = {
         embed: "r:embed",
         cstate: "cstate",
     };

src/file/drawing/inline/graphic/graphic-data/pic/non-visual-pic-properties/child-non-visual-pic-properties/pic-locks/pic-locks-attributes.ts

@@ -1,12 +1,12 @@
 import { XmlAttributeComponent } from "file/xml-components";
 
 export interface IPicLocksAttributes {
-    noChangeAspect?: number;
-    noChangeArrowheads?: number;
+    readonly noChangeAspect?: number;
+    readonly noChangeArrowheads?: number;
 }
 
 export class PicLocksAttributes extends XmlAttributeComponent<IPicLocksAttributes> {
-    protected xmlKeys = {
+    protected readonly xmlKeys = {
         noChangeAspect: "noChangeAspect",
         noChangeArrowheads: "noChangeArrowheads",
     };

src/file/drawing/inline/graphic/graphic-data/pic/non-visual-pic-properties/non-visual-properties/non-visual-properties-attributes.ts

@@ -1,13 +1,13 @@
 import { XmlAttributeComponent } from "file/xml-components";
 
 export interface INonVisualPropertiesAttributes {
-    id?: number;
-    name?: string;
-    descr?: string;
+    readonly id?: number;
+    readonly name?: string;
+    readonly descr?: string;
 }
 
 export class NonVisualPropertiesAttributes extends XmlAttributeComponent<INonVisualPropertiesAttributes> {
-    protected xmlKeys = {
+    protected readonly xmlKeys = {
         id: "id",
         name: "name",
         descr: "desc",

src/file/drawing/inline/graphic/graphic-data/pic/pic-attributes.ts

@@ -1,11 +1,11 @@
 import { XmlAttributeComponent } from "file/xml-components";
 
 export interface IPicAttributes {
-    xmlns?: string;
+    readonly xmlns?: string;
 }
 
 export class PicAttributes extends XmlAttributeComponent<IPicAttributes> {
-    protected xmlKeys = {
+    protected readonly xmlKeys = {
         xmlns: "xmlns:pic",
     };
 }

src/file/drawing/inline/graphic/graphic-data/pic/shape-properties/form/extents/extents-attributes.ts

@@ -1,12 +1,12 @@
 import { XmlAttributeComponent } from "file/xml-components";
 
 export interface IExtentsAttributes {
-    cx?: number;
-    cy?: number;
+    readonly cx?: number;
+    readonly cy?: number;
 }
 
 export class ExtentsAttributes extends XmlAttributeComponent<IExtentsAttributes> {
-    protected xmlKeys = {
+    protected readonly xmlKeys = {
         cx: "cx",
         cy: "cy",
     };

src/file/drawing/inline/graphic/graphic-data/pic/shape-properties/form/offset/off-attributes.ts

@@ -1,12 +1,12 @@
 import { XmlAttributeComponent } from "file/xml-components";
 
 export interface IOffsetAttributes {
-    x?: number;
-    y?: number;
+    readonly x?: number;
+    readonly y?: number;
 }
 
 export class OffsetAttributes extends XmlAttributeComponent<IOffsetAttributes> {
-    protected xmlKeys = {
+    protected readonly xmlKeys = {
         x: "x",
         y: "y",
     };

src/file/drawing/inline/graphic/graphic-data/pic/shape-properties/preset-geometry/preset-geometry-attributes.ts

@@ -1,11 +1,11 @@
 import { XmlAttributeComponent } from "file/xml-components";
 
 export interface IPresetGeometryAttributes {
-    prst?: string;
+    readonly prst?: string;
 }
 
 export class PresetGeometryAttributes extends XmlAttributeComponent<IPresetGeometryAttributes> {
-    protected xmlKeys = {
+    protected readonly xmlKeys = {
         prst: "prst",
     };
 }

src/file/drawing/inline/graphic/graphic-data/pic/shape-properties/shape-properties-attributes.ts

@@ -1,11 +1,11 @@
 import { XmlAttributeComponent } from "file/xml-components";
 
 export interface IShapePropertiesAttributes {
-    bwMode?: string;
+    readonly bwMode?: string;
 }
 
 export class ShapePropertiesAttributes extends XmlAttributeComponent<IShapePropertiesAttributes> {
-    protected xmlKeys = {
+    protected readonly xmlKeys = {
         bwMode: "bwMode",
     };
 }

src/file/drawing/inline/graphic/graphic.ts

@@ -2,11 +2,11 @@ import { XmlAttributeComponent, XmlComponent } from "file/xml-components";
 import { GraphicData } from "./graphic-data";
 
 interface IGraphicProperties {
-    a: string;
+    readonly a: string;
 }
 
 class GraphicAttributes extends XmlAttributeComponent<IGraphicProperties> {
-    protected xmlKeys = {
+    protected readonly xmlKeys = {
         a: "xmlns:a",
     };
 }

src/file/drawing/inline/inline-attributes.ts

@@ -5,7 +5,7 @@ import { IDistance } from "../drawing";
 export interface IInlineAttributes extends IDistance {}
 
 export class InlineAttributes extends XmlAttributeComponent<IInlineAttributes> {
-    protected xmlKeys = {
+    protected readonly xmlKeys = {
         distT: "distT",
         distB: "distB",
         distL: "distL",

src/file/drawing/text-wrap/text-wrapping.ts

@@ -16,7 +16,7 @@ export enum WrapTextOption {
 }
 
 export interface ITextWrapping {
-    textWrapStyle: TextWrapStyle;
-    wrapTextOption?: WrapTextOption;
-    distanceFromText?: IDistance;
+    readonly textWrapStyle: TextWrapStyle;
+    readonly wrapTextOption?: WrapTextOption;
+    readonly distanceFromText?: IDistance;
 }

src/file/drawing/text-wrap/wrap-square.ts

@@ -4,11 +4,11 @@ import { ITextWrapping, WrapTextOption } from ".";
 import { IDistance } from "../drawing";
 
 interface IWrapSquareAttributes extends IDistance {
-    wrapText?: WrapTextOption;
+    readonly wrapText?: WrapTextOption;
 }
 
 class WrapSquareAttributes extends XmlAttributeComponent<IWrapSquareAttributes> {
-    protected xmlKeys = {
+    protected readonly xmlKeys = {
         distT: "distT",
         distB: "distB",
         distL: "distL",

src/file/drawing/text-wrap/wrap-tight.ts

@@ -3,25 +3,25 @@ import { XmlAttributeComponent, XmlComponent } from "file/xml-components";
 import { IDistance } from "../drawing";
 
 interface IWrapTightAttributes {
-    distT?: number;
-    distB?: number;
+    readonly distT?: number;
+    readonly distB?: number;
 }
 
 class WrapTightAttributes extends XmlAttributeComponent<IWrapTightAttributes> {
-    protected xmlKeys = {
+    protected readonly xmlKeys = {
         distT: "distT",
         distB: "distB",
     };
 }
 
 export class WrapTight extends XmlComponent {
-    constructor(distanceFromText?: IDistance) {
-        super("wp:wrapTight");
-
-        distanceFromText = distanceFromText || {
+    constructor(
+        distanceFromText: IDistance = {
             distT: 0,
             distB: 0,
-        };
+        },
+    ) {
+        super("wp:wrapTight");
 
         this.root.push(
             new WrapTightAttributes({

src/file/drawing/text-wrap/wrap-top-and-bottom.ts

@@ -3,25 +3,25 @@ import { XmlAttributeComponent, XmlComponent } from "file/xml-components";
 import { IDistance } from "../drawing";
 
 interface IWrapTopAndBottomAttributes {
-    distT?: number;
-    distB?: number;
+    readonly distT?: number;
+    readonly distB?: number;
 }
 
 class WrapTopAndBottomAttributes extends XmlAttributeComponent<IWrapTopAndBottomAttributes> {
-    protected xmlKeys = {
+    protected readonly xmlKeys = {
         distT: "distT",
         distB: "distB",
     };
 }
 
 export class WrapTopAndBottom extends XmlComponent {
-    constructor(distanceFromText?: IDistance) {
-        super("wp:wrapTopAndBottom");
-
-        distanceFromText = distanceFromText || {
+    constructor(
+        distanceFromText: IDistance = {
             distT: 0,
             distB: 0,
-        };
+        },
+    ) {
+        super("wp:wrapTopAndBottom");
 
         this.root.push(
             new WrapTopAndBottomAttributes({