27 lines
1020 B
JavaScript
27 lines
1020 B
JavaScript
export function addFileWithDedup(state, file, cfg) {
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const originalName = file.name;
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const existing = state.fileMeta.get(originalName);
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let name = originalName;
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if (existing) {
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if (existing.size === file.size) return false;
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const dot = originalName.lastIndexOf('.');
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const base = dot > 0 ? originalName.slice(0, dot) : originalName;
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const extension = dot > 0 ? originalName.slice(dot) : '';
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let suffix = 2;
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while (state.fileMeta.has(`${base}_${suffix}${extension}`)) suffix += 1;
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name = `${base}_${suffix}${extension}`;
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}
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const storedFile = new File([file], name, { lastModified: file.lastModified });
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state.fileMeta.set(name, { size: storedFile.size });
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const includedBytes = state.files.reduce(
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(total, item) => total + (state.overNames.has(item.name) ? 0 : item.size), 0,
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);
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if (storedFile.size > cfg.maxFileBytes
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|| includedBytes + storedFile.size > cfg.maxSessionBytes) {
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state.overNames.add(name);
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}
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state.files.push(storedFile);
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return true;
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} |