ngx-diagrams
Version:
> Light Weight, Modular, Typed Diagram Engine for Angular
128 lines • 16.5 kB
JavaScript
// eslint-disable no-bitwise
import SVGPath from 'paths-js/path';
import { distinctUntilChanged, shareReplay, takeUntil, tap } from 'rxjs/operators';
import { ROUTING_SCALING_FACTOR } from '../plugins/smart-routing.plugin';
export var LOG_LEVEL;
(function (LOG_LEVEL) {
LOG_LEVEL[LOG_LEVEL["LOG"] = 0] = "LOG";
LOG_LEVEL[LOG_LEVEL["ERROR"] = 1] = "ERROR";
})(LOG_LEVEL || (LOG_LEVEL = {}));
// @internal
export let __DEV__ = true;
// @internal
export let __LOG__ = LOG_LEVEL.ERROR;
export function enableDiagramProdMode() {
__DEV__ = false;
}
// @internal
export function setLogLevel(level) {
__LOG__ = level;
}
// @internal
export function isDev() {
return __DEV__;
}
// @internal
export function log(message, level = LOG_LEVEL.LOG, ...args) {
if (isDev() && __LOG__ === level) {
if (__LOG__ === LOG_LEVEL.ERROR) {
console.error(message, ...args);
}
console.log(message, ...args);
}
}
/**
* rxjs log operator
* @internal
*/
export function withLog(message, level = LOG_LEVEL.LOG, ...args) {
return (source) => isDev()
? source.pipe(tap((val) => log(message, level, val, ...args)))
: source;
}
/**
* rxjs entity properties operator
* @internal
*/
export function entityProperty(destroyedNotifier, replayBy = 1, logMessage = '') {
return (source) => source.pipe(distinctUntilChanged((a, b) => a instanceof Map || b instanceof Map ? false : a === b), shareReplay(replayBy), withLog(logMessage), takeUntil(destroyedNotifier));
}
/**
* Generates a unique ID
*/
export function UID() {
return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, (c) => {
const r = (Math.random() * 16) | 0;
const v = c === 'x' ? r : (r & 0x3) | 0x8;
return v.toString(16);
});
}
export function isArray(val) {
return Array.isArray(val);
}
export function isString(val) {
return typeof val === 'string';
}
export function isFunction(val) {
return typeof val === 'function';
}
// @internal
export function isNil(v) {
return v === null || v === undefined;
}
export function coerceArray(value) {
if (isNil(value)) {
return [];
}
return Array.isArray(value) ? value : [value];
}
export function isEmptyArray(arr) {
return !arr || !isArray(arr) || arr.length === 0;
}
export function mapToArray(map) {
const result = [];
for (const key in map) {
if (!isNil(map[key])) {
result.push(map[key]);
}
}
return result;
}
export function mapToEntries(map) {
const result = [];
for (const key in map) {
result.push([key, map[key]]);
}
return result;
}
export function unique(arr) {
return [...new Set(arr)];
}
export function arrayToMap(arr) {
const result = {};
for (const val of arr) {
if (!isNil(val)) {
result[val.id] = val;
}
}
return result;
}
export function generateLinePath(firstPoint, lastPoint) {
return `M${firstPoint.x$},${firstPoint.y} L ${lastPoint.x$},${lastPoint.y}`;
}
export function generateCurvePath(firstPoint, lastPoint, curvy = 0) {
const isHorizontal = Math.abs(firstPoint.x - lastPoint.x) > Math.abs(firstPoint.y - lastPoint.y);
const curvyX = isHorizontal ? curvy : 0;
const curvyY = isHorizontal ? 0 : curvy;
return `M${firstPoint.x},${firstPoint.y} C ${firstPoint.x + curvyX},${firstPoint.y + curvyY}
${lastPoint.x - curvyX},${lastPoint.y - curvyY} ${lastPoint.x},${lastPoint.y}`;
}
export function generateDynamicPath(pathCoords) {
let path = SVGPath();
path = path.moveto(pathCoords[0][0] * ROUTING_SCALING_FACTOR, pathCoords[0][1] * ROUTING_SCALING_FACTOR);
pathCoords.slice(1).forEach((coords) => {
path = path.lineto(coords[0] * ROUTING_SCALING_FACTOR, coords[1] * ROUTING_SCALING_FACTOR);
});
return path.print();
}
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eslint-disable  no-bitwise\nimport SVGPath from 'paths-js/path';\n/**\n * Utility pathing and routing service\n */\nimport { MonoTypeOperatorFunction, Observable } from 'rxjs';\nimport { distinctUntilChanged, shareReplay, takeUntil, tap } from 'rxjs/operators';\nimport { Coords } from '../interfaces/coords.interface';\nimport { ROUTING_SCALING_FACTOR } from '../plugins/smart-routing.plugin';\nimport { Entries, HashMap } from './types';\n\nexport enum LOG_LEVEL {\n  'LOG',\n  'ERROR',\n}\n\n// @internal\nexport let __DEV__ = true;\n// @internal\nexport let __LOG__: LOG_LEVEL = LOG_LEVEL.ERROR;\n\nexport function enableDiagramProdMode(): void {\n  __DEV__ = false;\n}\n\n// @internal\nexport function setLogLevel(level: LOG_LEVEL): void {\n  __LOG__ = level;\n}\n\n// @internal\nexport function isDev(): boolean {\n  return __DEV__;\n}\n\n// @internal\nexport function log(\n  message: string,\n  level: LOG_LEVEL = LOG_LEVEL.LOG,\n  ...args: any[]\n): void {\n  if (isDev() && __LOG__ === level) {\n    if (__LOG__ === LOG_LEVEL.ERROR) {\n      console.error(message, ...args);\n    }\n    console.log(message, ...args);\n  }\n}\n\n/**\n * rxjs log operator\n * @internal\n */\nexport function withLog(\n  message: string,\n  level: LOG_LEVEL = LOG_LEVEL.LOG,\n  ...args: any\n) {\n  return <T>(source: Observable<T>) =>\n    isDev()\n      ? source.pipe(tap((val) => log(message, level, val, ...args)))\n      : source;\n}\n\n/**\n * rxjs entity properties operator\n * @internal\n */\nexport function entityProperty<T>(\n  destroyedNotifier: Observable<any>,\n  replayBy = 1,\n  logMessage = ''\n): MonoTypeOperatorFunction<T> {\n  return <T>(source: Observable<T>): Observable<T> =>\n    source.pipe(\n      distinctUntilChanged((a, b) =>\n        a instanceof Map || b instanceof Map ? false : a === b\n      ),\n      shareReplay(replayBy),\n      withLog(logMessage),\n      takeUntil(destroyedNotifier)\n    );\n}\n\nexport type ID = string;\n\n/**\n * Generates a unique ID\n */\nexport function UID(): ID {\n  return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, (c) => {\n    const r = (Math.random() * 16) | 0;\n    const v = c === 'x' ? r : (r & 0x3) | 0x8;\n    return v.toString(16);\n  });\n}\n\nexport function isArray<T>(val: any): val is T[] {\n  return Array.isArray(val);\n}\n\nexport function isString(val: any): val is string {\n  return typeof val === 'string';\n}\n\nexport function isFunction(val: any): val is (...args: any) => any {\n  return typeof val === 'function';\n}\n\n// @internal\nexport function isNil(v: any) {\n  return v === null || v === undefined;\n}\n\nexport function coerceArray<T>(value: T | T[]): T[] {\n  if (isNil(value)) {\n    return [];\n  }\n  return Array.isArray(value) ? value : [value];\n}\n\nexport function isEmptyArray<T>(arr: T[]): boolean {\n  return !arr || !isArray(arr) || arr.length === 0;\n}\n\nexport function mapToArray<T>(map: HashMap<T>): T[] {\n  const result = [];\n  for (const key in map) {\n    if (!isNil(map[key])) {\n      result.push(map[key]);\n    }\n  }\n\n  return result;\n}\n\nexport function mapToEntries<T>(map: HashMap<T>): Entries<T> {\n  const result = [];\n  for (const key in map) {\n    result.push([key, map[key]]);\n  }\n\n  return result;\n}\n\nexport function unique<T>(arr: T[]): T[] {\n  return [...new Set<T>(arr)];\n}\n\nexport function arrayToMap<T>(arr: Array<{ id: ID } & T>): HashMap<T> {\n  const result = {};\n  for (const val of arr) {\n    if (!isNil(val)) {\n      result[val.id] = val;\n    }\n  }\n\n  return result;\n}\n\nexport function generateLinePath(firstPoint: any, lastPoint: any): string {\n  return `M${firstPoint.x$},${firstPoint.y} L ${lastPoint.x$},${lastPoint.y}`;\n}\n\nexport function generateCurvePath(\n  firstPoint: Coords,\n  lastPoint: Coords,\n  curvy = 0\n): string {\n  const isHorizontal =\n    Math.abs(firstPoint.x - lastPoint.x) > Math.abs(firstPoint.y - lastPoint.y);\n  const curvyX = isHorizontal ? curvy : 0;\n  const curvyY = isHorizontal ? 0 : curvy;\n\n  return `M${firstPoint.x},${firstPoint.y} C ${firstPoint.x + curvyX},${\n    firstPoint.y + curvyY\n  }\n    ${lastPoint.x - curvyX},${lastPoint.y - curvyY} ${lastPoint.x},${\n    lastPoint.y\n  }`;\n}\n\nexport function generateDynamicPath(pathCoords: number[][]) {\n  let path = SVGPath();\n  path = path.moveto(\n    pathCoords[0][0] * ROUTING_SCALING_FACTOR,\n    pathCoords[0][1] * ROUTING_SCALING_FACTOR\n  );\n  pathCoords.slice(1).forEach((coords) => {\n    path = path.lineto(\n      coords[0] * ROUTING_SCALING_FACTOR,\n      coords[1] * ROUTING_SCALING_FACTOR\n    );\n  });\n  return path.print();\n}\n"]}