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42 lines
1019 B
42 lines
1019 B
/**
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* Regular expression for finding ids
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*/
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const regex = /\sid="(\S+)"/g;
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/**
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* Counters
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*/
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const counters = /* @__PURE__ */ new Map();
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/**
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* Get unique new ID
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*/
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function nextID(id) {
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id = id.replace(/[0-9]+$/, "") || "a";
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const count = counters.get(id) || 0;
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counters.set(id, count + 1);
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return count ? `${id}${count}` : id;
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}
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/**
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* Replace IDs in SVG output with unique IDs
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*/
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function replaceIDs(body) {
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const ids = [];
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let match;
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while (match = regex.exec(body)) ids.push(match[1]);
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if (!ids.length) return body;
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const suffix = "suffix" + (Math.random() * 16777216 | Date.now()).toString(16);
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ids.forEach((id) => {
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const newID = nextID(id);
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const escapedID = id.replace(/[.*+?^${}()|[\]\\]/g, "\\$&");
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body = body.replace(new RegExp("([#;\"])(" + escapedID + ")([\")]|\\.[a-z])", "g"), "$1" + newID + suffix + "$3");
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});
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body = body.replace(new RegExp(suffix, "g"), "");
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return body;
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}
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/**
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* Clear ID cache
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*/
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function clearIDCache() {
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counters.clear();
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}
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export { clearIDCache, replaceIDs };
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