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bitmap-index
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This commit is contained in:
Eugene 2025-12-10 16:01:18 +03:00
parent 594ec641a4
commit 5ae03c47da
2 changed files with 48 additions and 48 deletions
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4
src/bitmap.test.ts
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@ -214,9 +214,9 @@ describe("Bitmap", () => {
expect(bitmap.toString()).toEqual(resultString); expect(bitmap.toString()).toEqual(resultString);
expect(String(bitmap)).toEqual(resultString); expect(String(bitmap)).toEqual(resultString);
expect(`bitmap debug: ${bitmap}`).toEqual(`bitmap debug: ${resultString}`) expect(`bitmap debug: ${bitmap}`).toEqual(`bitmap debug: ${resultString}`);
const bitmap2 = Bitmap.fromString(bitmap.toString()); const bitmap2 = Bitmap.fromString(bitmap.toString());
expect(bitmap2.toString()).toEqual(bitmap.toString()); expect(bitmap2.toString()).toEqual(bitmap.toString());
}) });
}); });

6
src/bitmap.ts
View File

@ -74,8 +74,8 @@ export class Bitmap {
*/ */
public toString(): string { public toString(): string {
return Array.from(this.bits) return Array.from(this.bits)
.map(x => x.toString(2).padStart(8, '0')) .map((x) => x.toString(2).padStart(8, "0"))
.join(' '); .join(" ");
} }
/** /**
@ -89,7 +89,7 @@ export class Bitmap {
*/ */
static fromString(s: string): Bitmap { static fromString(s: string): Bitmap {
// allow "00000001 00000010", "0000000100000010", etc. // allow "00000001 00000010", "0000000100000010", etc.
const cleaned = s.replace(/\s+/g, ''); const cleaned = s.replace(/\s+/g, "");
if (cleaned.length % 8 !== 0) { if (cleaned.length % 8 !== 0) {
throw new Error("Bitmap string must be aligned to bytes (len % 8 == 0)"); throw new Error("Bitmap string must be aligned to bytes (len % 8 == 0)");