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23 lines
744 B
JavaScript
23 lines
744 B
JavaScript
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/**
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* Gets the source (i.e. host) of the script currently running.
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* @returns {string}
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*/
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function getCurrentScriptSource() {
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// `document.currentScript` is the most accurate way to get the current running script,
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// but is not supported in all browsers (most notably, IE).
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if (document.currentScript) {
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return document.currentScript.getAttribute('src');
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}
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// Fallback to getting all scripts running in the document.
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const scriptElements = document.scripts || [];
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const currentScript = scriptElements[scriptElements.length - 1];
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if (currentScript) {
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return currentScript.getAttribute('src');
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}
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throw new Error('[React Refresh] Failed to get current script source!');
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}
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module.exports = getCurrentScriptSource;
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