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@ -6,9 +6,9 @@ export const SVG_NS = "http://www.w3.org/2000/svg";
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let mockDateTime: string | null = null;
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export function setDateTimeForTests(dateTime: string) {
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export const setDateTimeForTests = (dateTime: string) => {
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mockDateTime = dateTime;
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}
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};
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export const getDateTime = () => {
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if (mockDateTime) {
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@ -25,51 +25,43 @@ export const getDateTime = () => {
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return `${year}-${month}-${day}-${hr}${min}`;
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};
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export function capitalizeString(str: string) {
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return str.charAt(0).toUpperCase() + str.slice(1);
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}
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export const capitalizeString = (str: string) =>
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str.charAt(0).toUpperCase() + str.slice(1);
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export function isToolIcon(
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export const isToolIcon = (
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target: Element | EventTarget | null,
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): target is HTMLElement {
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return target instanceof HTMLElement && target.className.includes("ToolIcon");
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}
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): target is HTMLElement =>
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target instanceof HTMLElement && target.className.includes("ToolIcon");
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export function isInputLike(
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export const isInputLike = (
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target: Element | EventTarget | null,
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): target is
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| HTMLInputElement
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| HTMLTextAreaElement
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| HTMLSelectElement
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| HTMLBRElement
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| HTMLDivElement {
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return (
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(target instanceof HTMLElement && target.dataset.type === "wysiwyg") ||
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target instanceof HTMLBRElement || // newline in wysiwyg
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target instanceof HTMLInputElement ||
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target instanceof HTMLTextAreaElement ||
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target instanceof HTMLSelectElement
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);
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}
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export function isWritableElement(
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| HTMLDivElement =>
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(target instanceof HTMLElement && target.dataset.type === "wysiwyg") ||
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target instanceof HTMLBRElement || // newline in wysiwyg
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target instanceof HTMLInputElement ||
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target instanceof HTMLTextAreaElement ||
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target instanceof HTMLSelectElement;
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export const isWritableElement = (
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target: Element | EventTarget | null,
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): target is
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| HTMLInputElement
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| HTMLTextAreaElement
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| HTMLBRElement
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| HTMLDivElement {
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return (
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(target instanceof HTMLElement && target.dataset.type === "wysiwyg") ||
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target instanceof HTMLBRElement || // newline in wysiwyg
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target instanceof HTMLTextAreaElement ||
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(target instanceof HTMLInputElement &&
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(target.type === "text" || target.type === "number"))
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);
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}
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| HTMLDivElement =>
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(target instanceof HTMLElement && target.dataset.type === "wysiwyg") ||
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target instanceof HTMLBRElement || // newline in wysiwyg
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target instanceof HTMLTextAreaElement ||
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(target instanceof HTMLInputElement &&
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(target.type === "text" || target.type === "number"));
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// https://github.com/grassator/canvas-text-editor/blob/master/lib/FontMetrics.js
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export function measureText(text: string, font: string) {
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export const measureText = (text: string, font: string) => {
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const line = document.createElement("div");
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const body = document.body;
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line.style.position = "absolute";
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@ -93,12 +85,12 @@ export function measureText(text: string, font: string) {
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document.body.removeChild(line);
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return { width, height, baseline };
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}
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};
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export function debounce<T extends any[]>(
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export const debounce = <T extends any[]>(
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fn: (...args: T) => void,
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timeout: number,
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) {
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) => {
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let handle = 0;
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let lastArgs: T;
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const ret = (...args: T) => {
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@ -111,9 +103,9 @@ export function debounce<T extends any[]>(
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fn(...lastArgs);
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};
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return ret;
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}
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};
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export function selectNode(node: Element) {
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export const selectNode = (node: Element) => {
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const selection = window.getSelection();
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if (selection) {
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const range = document.createRange();
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@ -121,30 +113,28 @@ export function selectNode(node: Element) {
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selection.removeAllRanges();
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selection.addRange(range);
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}
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}
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};
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export function removeSelection() {
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export const removeSelection = () => {
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const selection = window.getSelection();
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if (selection) {
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selection.removeAllRanges();
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}
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}
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};
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export function distance(x: number, y: number) {
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return Math.abs(x - y);
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}
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export const distance = (x: number, y: number) => Math.abs(x - y);
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export function resetCursor() {
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export const resetCursor = () => {
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document.documentElement.style.cursor = "";
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}
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};
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export function setCursorForShape(shape: string) {
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export const setCursorForShape = (shape: string) => {
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if (shape === "selection") {
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resetCursor();
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} else {
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document.documentElement.style.cursor = CURSOR_TYPE.CROSSHAIR;
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}
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}
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};
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export const isFullScreen = () =>
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document.fullscreenElement?.nodeName === "HTML";
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@ -165,7 +155,7 @@ export const getShortcutKey = (shortcut: string): string => {
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}
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return `${shortcut.replace(/CtrlOrCmd/i, "Ctrl")}`;
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};
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export function viewportCoordsToSceneCoords(
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export const viewportCoordsToSceneCoords = (
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{ clientX, clientY }: { clientX: number; clientY: number },
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{
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scrollX,
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@ -178,7 +168,7 @@ export function viewportCoordsToSceneCoords(
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},
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canvas: HTMLCanvasElement | null,
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scale: number,
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) {
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) => {
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const zoomOrigin = getZoomOrigin(canvas, scale);
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const clientXWithZoom = zoomOrigin.x + (clientX - zoomOrigin.x) / zoom;
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const clientYWithZoom = zoomOrigin.y + (clientY - zoomOrigin.y) / zoom;
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@ -187,9 +177,9 @@ export function viewportCoordsToSceneCoords(
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const y = clientYWithZoom - scrollY;
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return { x, y };
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}
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};
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export function sceneCoordsToViewportCoords(
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export const sceneCoordsToViewportCoords = (
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{ sceneX, sceneY }: { sceneX: number; sceneY: number },
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{
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scrollX,
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@ -202,7 +192,7 @@ export function sceneCoordsToViewportCoords(
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},
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canvas: HTMLCanvasElement | null,
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scale: number,
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) {
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) => {
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const zoomOrigin = getZoomOrigin(canvas, scale);
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const sceneXWithZoomAndScroll =
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zoomOrigin.x - (zoomOrigin.x - sceneX - scrollX) * zoom;
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@ -213,10 +203,7 @@ export function sceneCoordsToViewportCoords(
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const y = sceneYWithZoomAndScroll;
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return { x, y };
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}
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};
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export function getGlobalCSSVariable(name: string) {
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return getComputedStyle(document.documentElement).getPropertyValue(
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`--${name}`,
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);
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}
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export const getGlobalCSSVariable = (name: string) =>
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getComputedStyle(document.documentElement).getPropertyValue(`--${name}`);
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Lipis
5 years ago
committed by
GitHub