@igo2/utils
Version:
124 lines • 16.3 kB
JavaScript
import { Observable } from 'rxjs';
function getNumber(v, endposition, length) {
const mask = (1 << length) - 1;
return (v >> endposition) & mask;
}
export class Compression {
base64Index = new Map();
indexBase64 = new Map();
constructor() {
this.generateBase64Index();
}
generateBase64Index() {
// https://fr.wikipedia.org/wiki/Base64
// A-Z => [0, 25]
for (let i = 0; i < 26; i++) {
this.base64Index.set(String.fromCharCode('A'.charCodeAt(0) + i), i);
this.indexBase64.set(i, String.fromCharCode('A'.charCodeAt(0) + i));
}
// a-z => [26, 51]
for (let i = 0; i < 26; i++) {
this.base64Index.set(String.fromCharCode('a'.charCodeAt(0) + i), i + 26);
this.indexBase64.set(i + 26, String.fromCharCode('a'.charCodeAt(0) + i));
}
// 0-9 => [52, 61]
for (let i = 0; i < 10; i++) {
this.base64Index.set(String.fromCharCode('0'.charCodeAt(0) + i), i + 52);
this.indexBase64.set(i + 52, String.fromCharCode('0'.charCodeAt(0) + i));
}
// + / => [62, 63]
this.base64Index.set('+', 62);
this.base64Index.set('/', 63);
this.indexBase64.set(62, '+');
this.indexBase64.set(63, '/');
}
compressBlob(blob) {
if (!blob) {
return;
}
const observable = new Observable((observer) => {
const reader = new FileReader();
reader.readAsDataURL(blob);
reader.onload = () => {
const base64 = reader.result.valueOf();
const text64 = base64.substr(base64.indexOf(',') + 1);
const compressed = this.compressStringBase64(text64);
const compressedData = {
length: text64.length,
type: blob.type,
object: compressed
};
observer.next(compressedData);
};
});
return observable;
}
decompressBlob(compressedData) {
const object = compressedData.object;
const length = compressedData.length;
const decompressed = this.decompressStringBase64(object, length);
const byteCharacters = atob(decompressed);
const byteNumbers = new Array(byteCharacters.length);
for (let i = 0; i < byteCharacters.length; i++) {
byteNumbers[i] = byteCharacters.charCodeAt(i);
}
const byteArray = new Uint8Array(byteNumbers);
const blob = new Blob([byteArray], { type: compressedData.type });
return blob;
}
compressStringBase64(s) {
let out = '';
let bits = 16;
let chr = 0;
let rem = 0;
for (const c of s) {
const value = this.base64Index.get(c);
if (bits > 6) {
bits -= 6;
chr += value << bits;
}
else {
rem = 6 - bits;
chr += value >> rem;
out += String.fromCharCode(chr);
chr = value << (16 - rem);
bits = 16 - rem;
}
}
if (s.length % 8 !== 0) {
out += String.fromCharCode(chr);
}
return String.fromCharCode(9731) + out;
}
decompressStringBase64(c, length) {
if (!c) {
return;
}
if (c.charCodeAt(0) !== 9731) {
return c;
}
let chr = 0;
let rem = 0;
let bits = 16;
let out = '';
let j = 1;
let value = c.charCodeAt(j);
for (let i = 0; i < length; i++) {
if (bits > 6) {
bits -= 6;
chr = getNumber(value, bits, 6);
out += this.indexBase64.get(chr);
}
else {
rem = 6 - bits;
chr = getNumber(value, 0, bits) << rem;
value = c.charCodeAt(++j);
chr += getNumber(value, 16 - rem, rem);
out += this.indexBase64.get(chr);
bits = 16 - rem;
}
}
return out;
}
}
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"compression.utils.js","sourceRoot":"","sources":["../../../../../packages/utils/src/lib/compression/compression.utils.ts"],"names":[],"mappings":"AAAA,OAAO,EAAE,UAAU,EAAY,MAAM,MAAM,CAAC;AAI5C,SAAS,SAAS,CAAC,CAAS,EAAE,WAAmB,EAAE,MAAc;IAC/D,MAAM,IAAI,GAAG,CAAC,CAAC,IAAI,MAAM,CAAC,GAAG,CAAC,CAAC;IAC/B,OAAO,CAAC,CAAC,IAAI,WAAW,CAAC,GAAG,IAAI,CAAC;AACnC,CAAC;AAED,MAAM,OAAO,WAAW;IACd,WAAW,GAAG,IAAI,GAAG,EAAkB,CAAC;IACxC,WAAW,GAAG,IAAI,GAAG,EAAkB,CAAC;IAEhD;QACE,IAAI,CAAC,mBAAmB,EAAE,CAAC;IAC7B,CAAC;IAEO,mBAAmB;QACzB,uCAAuC;QACvC,iBAAiB;QACjB,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,EAAE,EAAE,CAAC,EAAE,EAAE,CAAC;YAC5B,IAAI,CAAC,WAAW,CAAC,GAAG,CAAC,MAAM,CAAC,YAAY,CAAC,GAAG,CAAC,UAAU,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC,EAAE,CAAC,CAAC,CAAC;YACpE,IAAI,CAAC,WAAW,CAAC,GAAG,CAAC,CAAC,EAAE,MAAM,CAAC,YAAY,CAAC,GAAG,CAAC,UAAU,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC;QACtE,CAAC;QACD,kBAAkB;QAClB,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,EAAE,EAAE,CAAC,EAAE,EAAE,CAAC;YAC5B,IAAI,CAAC,WAAW,CAAC,GAAG,CAAC,MAAM,CAAC,YAAY,CAAC,GAAG,CAAC,UAAU,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC,EAAE,CAAC,GAAG,EAAE,CAAC,CAAC;YACzE,IAAI,CAAC,WAAW,CAAC,GAAG,CAAC,CAAC,GAAG,EAAE,EAAE,MAAM,CAAC,YAAY,CAAC,GAAG,CAAC,UAAU,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC;QAC3E,CAAC;QACD,kBAAkB;QAClB,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,EAAE,EAAE,CAAC,EAAE,EAAE,CAAC;YAC5B,IAAI,CAAC,WAAW,CAAC,GAAG,CAAC,MAAM,CAAC,YAAY,CAAC,GAAG,CAAC,UAAU,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC,EAAE,CAAC,GAAG,EAAE,CAAC,CAAC;YACzE,IAAI,CAAC,WAAW,CAAC,GAAG,CAAC,CAAC,GAAG,EAAE,EAAE,MAAM,CAAC,YAAY,CAAC,GAAG,CAAC,UAAU,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC;QAC3E,CAAC;QACD,kBAAkB;QAClB,IAAI,CAAC,WAAW,CAAC,GAAG,CAAC,GAAG,EAAE,EAAE,CAAC,CAAC;QAC9B,IAAI,CAAC,WAAW,CAAC,GAAG,CAAC,GAAG,EAAE,EAAE,CAAC,CAAC;QAC9B,IAAI,CAAC,WAAW,CAAC,GAAG,CAAC,EAAE,EAAE,GAAG,CAAC,CAAC;QAC9B,IAAI,CAAC,WAAW,CAAC,GAAG,CAAC,EAAE,EAAE,GAAG,CAAC,CAAC;IAChC,CAAC;IAED,YAAY,CAAC,IAAU;QACrB,IAAI,CAAC,IAAI,EAAE,CAAC;YACV,OAAO;QACT,CAAC;QAED,MAAM,UAAU,GAAG,IAAI,UAAU,CAAC,CAAC,QAAkC,EAAE,EAAE;YACvE,MAAM,MAAM,GAAG,IAAI,UAAU,EAAE,CAAC;YAChC,MAAM,CAAC,aAAa,CAAC,IAAI,CAAC,CAAC;YAC3B,MAAM,CAAC,MAAM,GAAG,GAAG,EAAE;gBACnB,MAAM,MAAM,GAAG,MAAM,CAAC,MAAM,CAAC,OAAO,EAAY,CAAC;gBACjD,MAAM,MAAM,GAAG,MAAM,CAAC,MAAM,CAAC,MAAM,CAAC,OAAO,CAAC,GAAG,CAAC,GAAG,CAAC,CAAC,CAAC;gBACtD,MAAM,UAAU,GAAG,IAAI,CAAC,oBAAoB,CAAC,MAAM,CAAC,CAAC;gBACrD,MAAM,cAAc,GAAmB;oBACrC,MAAM,EAAE,MAAM,CAAC,MAAM;oBACrB,IAAI,EAAE,IAAI,CAAC,IAAI;oBACf,MAAM,EAAE,UAAU;iBACnB,CAAC;gBACF,QAAQ,CAAC,IAAI,CAAC,cAAc,CAAC,CAAC;YAChC,CAAC,CAAC;QACJ,CAAC,CAAC,CAAC;QACH,OAAO,UAAU,CAAC;IACpB,CAAC;IAED,cAAc,CAAC,cAA8B;QAC3C,MAAM,MAAM,GAAG,cAAc,CAAC,MAAM,CAAC;QACrC,MAAM,MAAM,GAAG,cAAc,CAAC,MAAM,CAAC;QACrC,MAAM,YAAY,GAAW,IAAI,CAAC,sBAAsB,CAAC,MAAM,EAAE,MAAM,CAAC,CAAC;QACzE,MAAM,cAAc,GAAG,IAAI,CAAC,YAAY,CAAC,CAAC;QAC1C,MAAM,WAAW,GAAG,IAAI,KAAK,CAAC,cAAc,CAAC,MAAM,CAAC,CAAC;QACrD,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,cAAc,CAAC,MAAM,EAAE,CAAC,EAAE,EAAE,CAAC;YAC/C,WAAW,CAAC,CAAC,CAAC,GAAG,cAAc,CAAC,UAAU,CAAC,CAAC,CAAC,CAAC;QAChD,CAAC;QACD,MAAM,SAAS,GAAG,IAAI,UAAU,CAAC,WAAW,CAAC,CAAC;QAC9C,MAAM,IAAI,GAAG,IAAI,IAAI,CAAC,CAAC,SAAS,CAAC,EAAE,EAAE,IAAI,EAAE,cAAc,CAAC,IAAI,EAAE,CAAC,CAAC;QAClE,OAAO,IAAI,CAAC;IACd,CAAC;IAEO,oBAAoB,CAAC,CAAS;QACpC,IAAI,GAAG,GAAG,EAAE,CAAC;QACb,IAAI,IAAI,GAAG,EAAE,CAAC;QACd,IAAI,GAAG,GAAG,CAAC,CAAC;QACZ,IAAI,GAAG,GAAG,CAAC,CAAC;QACZ,KAAK,MAAM,CAAC,IAAI,CAAC,EAAE,CAAC;YAClB,MAAM,KAAK,GAAG,IAAI,CAAC,WAAW,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC;YACtC,IAAI,IAAI,GAAG,CAAC,EAAE,CAAC;gBACb,IAAI,IAAI,CAAC,CAAC;gBACV,GAAG,IAAI,KAAK,IAAI,IAAI,CAAC;YACvB,CAAC;iBAAM,CAAC;gBACN,GAAG,GAAG,CAAC,GAAG,IAAI,CAAC;gBACf,GAAG,IAAI,KAAK,IAAI,GAAG,CAAC;gBACpB,GAAG,IAAI,MAAM,CAAC,YAAY,CAAC,GAAG,CAAC,CAAC;gBAChC,GAAG,GAAG,KAAK,IAAI,CAAC,EAAE,GAAG,GAAG,CAAC,CAAC;gBAC1B,IAAI,GAAG,EAAE,GAAG,GAAG,CAAC;YAClB,CAAC;QACH,CAAC;QACD,IAAI,CAAC,CAAC,MAAM,GAAG,CAAC,KAAK,CAAC,EAAE,CAAC;YACvB,GAAG,IAAI,MAAM,CAAC,YAAY,CAAC,GAAG,CAAC,CAAC;QAClC,CAAC;QACD,OAAO,MAAM,CAAC,YAAY,CAAC,IAAI,CAAC,GAAG,GAAG,CAAC;IACzC,CAAC;IAEO,sBAAsB,CAAC,CAAS,EAAE,MAAc;QACtD,IAAI,CAAC,CAAC,EAAE,CAAC;YACP,OAAO;QACT,CAAC;QAED,IAAI,CAAC,CAAC,UAAU,CAAC,CAAC,CAAC,KAAK,IAAI,EAAE,CAAC;YAC7B,OAAO,CAAC,CAAC;QACX,CAAC;QAED,IAAI,GAAG,GAAG,CAAC,CAAC;QACZ,IAAI,GAAG,GAAG,CAAC,CAAC;QACZ,IAAI,IAAI,GAAG,EAAE,CAAC;QACd,IAAI,GAAG,GAAG,EAAE,CAAC;QACb,IAAI,CAAC,GAAG,CAAC,CAAC;QACV,IAAI,KAAK,GAAG,CAAC,CAAC,UAAU,CAAC,CAAC,CAAC,CAAC;QAC5B,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,MAAM,EAAE,CAAC,EAAE,EAAE,CAAC;YAChC,IAAI,IAAI,GAAG,CAAC,EAAE,CAAC;gBACb,IAAI,IAAI,CAAC,CAAC;gBACV,GAAG,GAAG,SAAS,CAAC,KAAK,EAAE,IAAI,EAAE,CAAC,CAAC,CAAC;gBAChC,GAAG,IAAI,IAAI,CAAC,WAAW,CAAC,GAAG,CAAC,GAAG,CAAC,CAAC;YACnC,CAAC;iBAAM,CAAC;gBACN,GAAG,GAAG,CAAC,GAAG,IAAI,CAAC;gBACf,GAAG,GAAG,SAAS,CAAC,KAAK,EAAE,CAAC,EAAE,IAAI,CAAC,IAAI,GAAG,CAAC;gBACvC,KAAK,GAAG,CAAC,CAAC,UAAU,CAAC,EAAE,CAAC,CAAC,CAAC;gBAC1B,GAAG,IAAI,SAAS,CAAC,KAAK,EAAE,EAAE,GAAG,GAAG,EAAE,GAAG,CAAC,CAAC;gBACvC,GAAG,IAAI,IAAI,CAAC,WAAW,CAAC,GAAG,CAAC,GAAG,CAAC,CAAC;gBACjC,IAAI,GAAG,EAAE,GAAG,GAAG,CAAC;YAClB,CAAC;QACH,CAAC;QACD,OAAO,GAAG,CAAC;IACb,CAAC;CACF","sourcesContent":["import { Observable, Observer } from 'rxjs';\n\nimport { CompressedData } from './compressedData.interface';\n\nfunction getNumber(v: number, endposition: number, length: number) {\n  const mask = (1 << length) - 1;\n  return (v >> endposition) & mask;\n}\n\nexport class Compression {\n  private base64Index = new Map<string, number>();\n  private indexBase64 = new Map<number, string>();\n\n  constructor() {\n    this.generateBase64Index();\n  }\n\n  private generateBase64Index() {\n    // https://fr.wikipedia.org/wiki/Base64\n    // A-Z => [0, 25]\n    for (let i = 0; i < 26; i++) {\n      this.base64Index.set(String.fromCharCode('A'.charCodeAt(0) + i), i);\n      this.indexBase64.set(i, String.fromCharCode('A'.charCodeAt(0) + i));\n    }\n    // a-z => [26, 51]\n    for (let i = 0; i < 26; i++) {\n      this.base64Index.set(String.fromCharCode('a'.charCodeAt(0) + i), i + 26);\n      this.indexBase64.set(i + 26, String.fromCharCode('a'.charCodeAt(0) + i));\n    }\n    // 0-9 => [52, 61]\n    for (let i = 0; i < 10; i++) {\n      this.base64Index.set(String.fromCharCode('0'.charCodeAt(0) + i), i + 52);\n      this.indexBase64.set(i + 52, String.fromCharCode('0'.charCodeAt(0) + i));\n    }\n    // + / => [62, 63]\n    this.base64Index.set('+', 62);\n    this.base64Index.set('/', 63);\n    this.indexBase64.set(62, '+');\n    this.indexBase64.set(63, '/');\n  }\n\n  compressBlob(blob: Blob): Observable<CompressedData> {\n    if (!blob) {\n      return;\n    }\n\n    const observable = new Observable((observer: Observer<CompressedData>) => {\n      const reader = new FileReader();\n      reader.readAsDataURL(blob);\n      reader.onload = () => {\n        const base64 = reader.result.valueOf() as string;\n        const text64 = base64.substr(base64.indexOf(',') + 1);\n        const compressed = this.compressStringBase64(text64);\n        const compressedData: CompressedData = {\n          length: text64.length,\n          type: blob.type,\n          object: compressed\n        };\n        observer.next(compressedData);\n      };\n    });\n    return observable;\n  }\n\n  decompressBlob(compressedData: CompressedData): Blob {\n    const object = compressedData.object;\n    const length = compressedData.length;\n    const decompressed: string = this.decompressStringBase64(object, length);\n    const byteCharacters = atob(decompressed);\n    const byteNumbers = new Array(byteCharacters.length);\n    for (let i = 0; i < byteCharacters.length; i++) {\n      byteNumbers[i] = byteCharacters.charCodeAt(i);\n    }\n    const byteArray = new Uint8Array(byteNumbers);\n    const blob = new Blob([byteArray], { type: compressedData.type });\n    return blob;\n  }\n\n  private compressStringBase64(s: string): string {\n    let out = '';\n    let bits = 16;\n    let chr = 0;\n    let rem = 0;\n    for (const c of s) {\n      const value = this.base64Index.get(c);\n      if (bits > 6) {\n        bits -= 6;\n        chr += value << bits;\n      } else {\n        rem = 6 - bits;\n        chr += value >> rem;\n        out += String.fromCharCode(chr);\n        chr = value << (16 - rem);\n        bits = 16 - rem;\n      }\n    }\n    if (s.length % 8 !== 0) {\n      out += String.fromCharCode(chr);\n    }\n    return String.fromCharCode(9731) + out;\n  }\n\n  private decompressStringBase64(c: string, length: number): string {\n    if (!c) {\n      return;\n    }\n\n    if (c.charCodeAt(0) !== 9731) {\n      return c;\n    }\n\n    let chr = 0;\n    let rem = 0;\n    let bits = 16;\n    let out = '';\n    let j = 1;\n    let value = c.charCodeAt(j);\n    for (let i = 0; i < length; i++) {\n      if (bits > 6) {\n        bits -= 6;\n        chr = getNumber(value, bits, 6);\n        out += this.indexBase64.get(chr);\n      } else {\n        rem = 6 - bits;\n        chr = getNumber(value, 0, bits) << rem;\n        value = c.charCodeAt(++j);\n        chr += getNumber(value, 16 - rem, rem);\n        out += this.indexBase64.get(chr);\n        bits = 16 - rem;\n      }\n    }\n    return out;\n  }\n}\n"]}