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@fahnestockj/numcodecs-fork

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Buffer compression and transformation codecs for use in data storage and communication applications.

21 lines (19 loc) 708 B
var __toBinary = /* @__PURE__ */ (() => { var table = new Uint8Array(128); for (var i = 0; i < 64; i++) table[i < 26 ? i + 65 : i < 52 ? i + 71 : i < 62 ? i - 4 : i * 4 - 205] = i; return (base64) => { var n = base64.length, bytes = new Uint8Array((n - (base64[n - 1] == "=") - (base64[n - 2] == "=")) * 3 / 4 | 0); for (var i2 = 0, j = 0; i2 < n; ) { var c0 = table[base64.charCodeAt(i2++)], c1 = table[base64.charCodeAt(i2++)]; var c2 = table[base64.charCodeAt(i2++)], c3 = table[base64.charCodeAt(i2++)]; bytes[j++] = c0 << 2 | c1 >> 4; bytes[j++] = c1 << 4 | c2 >> 2; bytes[j++] = c2 << 6 | c3; } return bytes; }; })(); export { __toBinary };