gpx file class with first operation

gpx/src/gpx.ts

@@ -0,0 +1,149 @@
+import { GPXFileType, TrackSegmentType, TrackType } from "./types";
+
+export class GPXFile {
+    attributes: GPXFileAttributes;
+    metadata: Metadata;
+    wpt: Waypoint[];
+    trk: Track[];
+
+    constructor(gpx: GPXFileType | GPXFile) {
+        this.attributes = gpx.attributes;
+        this.metadata = gpx.metadata;
+        this.wpt = gpx.wpt;
+        this.trk = gpx.trk.map((track) => new Track(track));
+    }
+
+    reverse(): void {
+        for (let i = 0; i < this.trk.length; i++) {
+            this.trk[i].reverse();
+        }
+        this.trk.reverse();
+    }
+
+    clone(): GPXFile {
+        return new GPXFile(structuredClone(this));
+    }
+};
+
+export class Track {
+    name?: string;
+    cmt?: string;
+    desc?: string;
+    src?: string;
+    link?: Link;
+    type?: string;
+    trkseg: TrackSegment[];
+    extensions?: TrackExtensions;
+
+    constructor(track: TrackType) {
+        this.name = track.name;
+        this.cmt = track.cmt;
+        this.desc = track.desc;
+        this.src = track.src;
+        this.link = track.link;
+        this.type = track.type;
+        this.trkseg = track.trkseg.map((seg) => new TrackSegment(seg));
+        this.extensions = track.extensions;
+    }
+
+    reverse(): void {
+        for (let i = 0; i < this.trkseg.length; i++) {
+            this.trkseg[i].reverse();
+        }
+        this.trkseg.reverse();
+    }
+};
+
+
+export class TrackSegment {
+    trkpt: TrackPoint[];
+
+    constructor(segment: TrackSegmentType) {
+        this.trkpt = segment.trkpt;
+    }
+
+    reverse(): void {
+        this.trkpt.reverse();
+    }
+};
+
+export type GPXFileAttributes = {
+    creator: string;
+    [key: string]: string;
+};
+
+export type Metadata = {
+    name?: string;
+    desc?: string;
+    author?: Author;
+    link?: Link;
+    time?: Date;
+};
+
+export type Link = {
+    attributes: LinkAttributes;
+    text?: string;
+    type?: string;
+};
+
+export type LinkAttributes = {
+    href: string;
+};
+
+export type Waypoint = {
+    attributes: Coordinates;
+    ele?: number;
+    time?: Date;
+    name?: string;
+    cmt?: string;
+    desc?: string;
+    link?: Link;
+    sym?: string;
+    type?: string;
+};
+
+export type Coordinates = {
+    lat: number;
+    lon: number;
+};
+
+export type TrackExtensions = {
+    'gpx_style:line'?: LineStyleExtension;
+};
+
+export type LineStyleExtension = {
+    color?: string;
+    opacity?: number;
+    weight?: number;
+};
+
+export type TrackPoint = {
+    attributes: Coordinates;
+    ele?: number;
+    time?: Date;
+    extensions?: TrackPointExtensions;
+};
+
+export type TrackPointExtensions = {
+    'gpxtpx:TrackPointExtension'?: TrackPointExtension;
+    'gpxpx:PowerExtension'?: PowerExtension;
+};
+
+export type TrackPointExtension = {
+    'gpxtpx:hr'?: number;
+    'gpxtpx:cad'?: number;
+    'gpxtpx:atemp'?: number;
+    'gpxtpx:Extensions'?: {
+        surface?: string;
+    };
+}
+
+export type PowerExtension = {
+    'gpxpx:PowerInWatts'?: number;
+}
+
+export type Author = {
+    name?: string;
+    email?: string;
+    link?: Link;
+};