theluyuan
38ba663466
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Close stale issues and PRs / stale (push) Has been cancelled
36 lines
1.0 KiB
TypeScript
36 lines
1.0 KiB
TypeScript
/**
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* Downloads a JSON object.
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*
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* @param {Object} json - The JSON object to download.
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* @param {string} filename - The filename to give to the downloaded file.
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* @returns {void}
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*/
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export function downloadJSON(json: Object, filename: string): void {
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const replacer = () => {
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const seen = new WeakSet();
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return (_: any, value: any) => {
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if (typeof value === 'object' && value !== null) {
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if (seen.has(value)) {
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return '[circular ref]';
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}
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seen.add(value);
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}
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return value;
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};
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};
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const data = encodeURIComponent(JSON.stringify(json, replacer(), ' '));
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const elem = document.createElement('a');
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elem.download = filename;
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elem.href = `data:application/json;charset=utf-8,\n${data}`;
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elem.dataset.downloadurl = [ 'text/json', elem.download, elem.href ].join(':');
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elem.dispatchEvent(new MouseEvent('click', {
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view: window,
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bubbles: true,
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cancelable: false
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}));
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}
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