Files
mermaid-live-editor/src/lib/util/stats.ts
T
2023-06-09 23:29:06 +05:30

122 lines
3.1 KiB
TypeScript

import { browser } from '$app/environment';
import type { AnalyticsInstance } from 'analytics';
export let analytics: AnalyticsInstance | undefined;
export const initAnalytics = async (): Promise<void> => {
if (browser && !analytics) {
try {
const [{ Analytics }, { default: plausible }] = await Promise.all([
import('analytics'),
import('analytics-plugin-plausible')
]);
analytics = Analytics({
app: 'mermaid-live-editor',
plugins: [
plausible({
domain: 'mermaid.live',
hashMode: false,
trackLocalhost: false, // By default 'false'
apiHost: 'https://p.mermaid.live'
})
]
});
} catch (error) {
console.log(error);
console.info('Analytics blocked ;)');
}
}
};
export const detectType = (text: string): string | undefined => {
const possibleDiagramTypes = [
'classDiagram',
'erDiagram',
'flowChart',
'gantt',
'gitGraph',
'graph',
'journey',
'pie',
'stateDiagram',
'quadrantChart',
'mindmap'
];
const firstLine = text
.replace(/^\s*%%.*\n/g, '\n')
.trimStart()
.split(' ')[0]
.toLowerCase();
const detectedDiagram = possibleDiagramTypes.find((d) => firstLine.includes(d.toLowerCase()));
return detectedDiagram;
};
export const countLines = (code: string): number => {
return (code.match(/\n/g)?.length ?? 0) + 1;
};
export const saveStatistics = (graph: string): void => {
const graphType = detectType(graph);
if (!graphType) {
return;
}
const length = countLines(graph);
const lengthBucket =
length < 10
? '0-10'
: length < 25
? '10-25'
: length < 50
? '25-50'
: length < 100
? '50-100'
: length < 200
? '100-200'
: length < 500
? '200-500'
: length < 700
? '500-700'
: length < 1000
? '700-1000'
: length < 1500
? '1000-1500'
: '1500+';
logEvent('render', { graphType, length, lengthBucket });
};
const minutesToMilliSeconds = (minutes: number): number => {
return minutes * 60_000;
};
const defaultDelay = minutesToMilliSeconds(1);
const delaysPerEvent = {
render: minutesToMilliSeconds(5),
panZoom: minutesToMilliSeconds(10),
copyClipboard: defaultDelay,
download: defaultDelay,
copyMarkdown: defaultDelay,
loadGist: defaultDelay,
loadSampleDiagram: defaultDelay,
renderDiagram: defaultDelay,
history: defaultDelay,
migration: defaultDelay,
themeChange: defaultDelay
};
export type AnalyticsEvent = keyof typeof delaysPerEvent;
const timeouts: Map<string, number> = new Map<string, number>();
// manual debounce to reduce the number of events sent to analytics
export const logEvent = (name: AnalyticsEvent, data?: unknown): void => {
if (!analytics) {
return;
}
const key = data ? JSON.stringify({ name, data }) : name;
if (timeouts.has(key)) {
clearTimeout(timeouts.get(key));
} else {
void analytics.track(name, data);
}
timeouts.set(
key,
window.setTimeout(() => timeouts.delete(key), delaysPerEvent[name])
);
};