diff options
Diffstat (limited to 'node_modules/loader-utils/lib/getHashDigest.js')
| -rw-r--r-- | node_modules/loader-utils/lib/getHashDigest.js | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/node_modules/loader-utils/lib/getHashDigest.js b/node_modules/loader-utils/lib/getHashDigest.js deleted file mode 100644 index 6f4a427e..00000000 --- a/node_modules/loader-utils/lib/getHashDigest.js +++ /dev/null @@ -1,53 +0,0 @@ -"use strict"; - -const baseEncodeTables = { - 26: "abcdefghijklmnopqrstuvwxyz", - 32: "123456789abcdefghjkmnpqrstuvwxyz", // no 0lio - 36: "0123456789abcdefghijklmnopqrstuvwxyz", - 49: "abcdefghijkmnopqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ", // no lIO - 52: "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ", - 58: "123456789abcdefghijkmnopqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ", // no 0lIO - 62: "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ", - 64: "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-_" -}; - -function encodeBufferToBase(buffer, base) { - const encodeTable = baseEncodeTables[base]; - if(!encodeTable) throw new Error("Unknown encoding base" + base); - - const readLength = buffer.length; - - const Big = require("big.js"); - Big.RM = Big.DP = 0; - let b = new Big(0); - for(let i = readLength - 1; i >= 0; i--) { - b = b.times(256).plus(buffer[i]); - } - - let output = ""; - while(b.gt(0)) { - output = encodeTable[b.mod(base)] + output; - b = b.div(base); - } - - Big.DP = 20; - Big.RM = 1; - - return output; -} - -function getHashDigest(buffer, hashType, digestType, maxLength) { - hashType = hashType || "md5"; - maxLength = maxLength || 9999; - const hash = require("crypto").createHash(hashType); - hash.update(buffer); - if(digestType === "base26" || digestType === "base32" || digestType === "base36" || - digestType === "base49" || digestType === "base52" || digestType === "base58" || - digestType === "base62" || digestType === "base64") { - return encodeBufferToBase(hash.digest(), digestType.substr(4)).substr(0, maxLength); - } else { - return hash.digest(digestType || "hex").substr(0, maxLength); - } -} - -module.exports = getHashDigest; |
