100 lines
2.6 KiB
TypeScript
100 lines
2.6 KiB
TypeScript
import { browser } from '$app/environment';
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import type { AnalyticsInstance } from 'analytics';
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export let analytics: AnalyticsInstance | undefined;
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export const initAnalytics = async (): Promise<void> => {
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if (browser && !analytics) {
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try {
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const [{ Analytics }, { default: plausible }] = await Promise.all([
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import('analytics'),
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import('analytics-plugin-plausible')
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]);
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analytics = Analytics({
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app: 'mermaid-live-editor',
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plugins: [
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plausible({
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domain: 'mermaid.live',
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hashMode: false,
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trackLocalhost: false, // By default 'false'
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apiHost: 'https://plausible.io'
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})
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]
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});
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} catch (e) {
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console.log(e);
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console.info('Analytics blocked ;)');
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}
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}
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};
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export const detectType = (text: string): string | undefined => {
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const possibleDiagramTypes = [
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'classDiagram',
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'erDiagram',
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'flowChart',
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'gantt',
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'gitGraph',
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'graph',
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'journey',
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'pie',
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'stateDiagram'
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];
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const firstLine = text
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.replace(/^\s*%%.*\n/g, '\n')
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.trimStart()
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.split(' ')[0]
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.toLowerCase();
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const detectedDiagram = possibleDiagramTypes.find((d) => firstLine.includes(d.toLowerCase()));
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return detectedDiagram;
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};
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export const countLines = (code: string): number => {
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return (code.match(/\n/g)?.length ?? 0) + 1;
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};
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export const saveStatistics = (graph: string): void => {
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const graphType = detectType(graph);
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if (!graphType) {
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return;
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}
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const length = countLines(graph);
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logEvent('render', { graphType, length });
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};
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const minutesToMilliSeconds = (minutes: number): number => {
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return minutes * 60_000;
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};
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const defaultDelay = minutesToMilliSeconds(1);
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const delaysPerEvent = {
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render: minutesToMilliSeconds(5),
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panZoom: minutesToMilliSeconds(10),
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copyClipboard: defaultDelay,
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download: defaultDelay,
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copyMarkdown: defaultDelay,
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loadGist: defaultDelay,
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loadSampleDiagram: defaultDelay,
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renderDiagram: defaultDelay,
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history: defaultDelay,
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migration: defaultDelay,
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themeChange: defaultDelay
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};
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export type AnalyticsEvent = keyof typeof delaysPerEvent;
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const timeouts: Map<string, number> = new Map<string, number>();
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// manual debounce to reduce the number of events sent to analytics
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export const logEvent = (name: AnalyticsEvent, data?: unknown): void => {
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if (!analytics) {
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return;
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}
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const key = data ? JSON.stringify({ name, data }) : name;
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if (!timeouts.has(key)) {
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void analytics.track(name, data);
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} else {
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clearTimeout(timeouts.get(key));
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}
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timeouts.set(
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key,
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window.setTimeout(() => timeouts.delete(key), delaysPerEvent[name])
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);
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};
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