ngx-uploadx
Version:
Angular Resumable Upload Module
90 lines • 12.7 kB
JavaScript
function safeMatch(base, re) {
return (base.match(re) || [''])[0];
}
export function resolveUrl(url, base) {
if (url.indexOf('https://') * url.indexOf('http://') === 0)
return url;
if (url.indexOf('//') === 0)
return safeMatch(base, /^(https?:)/) + url;
if (url.indexOf('/') === 0)
return safeMatch(base, /^(?:https?:)?(?:\/\/)?([^\/?]+)/) + url;
return safeMatch(base, /^(?:https?:)?(?:\/\/)?([^\/?]+)?(.*\/)/) + url;
}
/**
* Unwraps a value if it is a function, otherwise returns the value directly.
* Useful for allowing values to optionally be specified as functions.
*/
export function unfunc(value, ref) {
return value instanceof Function ? value(ref) : value;
}
export const pick = (obj, props) => {
const result = {};
props.forEach(key => (result[key] = obj[key]));
return result;
};
export function isNumber(x) {
return x === Number(x);
}
/**
* 32-bit FNV-1a hash function
*/
export function createHash(str) {
let hash = 2166136261;
const len = str.length;
for (let i = 0; i < len; i++) {
hash ^= str.charCodeAt(i);
hash += (hash << 1) + (hash << 4) + (hash << 7) + (hash << 8) + (hash << 24);
}
return hash >>> 0;
}
/**
* Utility functions for base64 encoding and decoding strings and objects.
*/
export const b64 = {
encode: (str) => btoa(encodeURIComponent(str).replace(/%([0-9A-F]{2})/g, (match, p1) => String.fromCharCode(Number.parseInt(p1, 16)))),
decode: (str) => decodeURIComponent(atob(str)
.split('')
.map(c => '%' + ('00' + c.charCodeAt(0).toString(16)).slice(-2))
.join('')),
serialize: (obj) => Object.keys(obj)
.map(key => [key, b64.encode(String(obj[key]))].filter(Boolean).join(' '))
.toString(),
parse: (encoded) => {
const kvPairs = encoded.split(',').map(kv => kv.split(' '));
const decoded = {};
for (const [key, value] of kvPairs) {
if (key)
decoded[key] = value ? b64.decode(value) : '';
}
return decoded;
}
};
export function isBrowser() {
return ![typeof window, typeof navigator].includes('undefined');
}
export function onLine() {
return isBrowser() ? navigator.onLine : true;
}
export function isIOS() {
return isBrowser() && /iPad|iPhone/.test(navigator.userAgent);
}
export function osVersion() {
const m = /OS (\d+)_(\d+)_?(\d+)?/.exec(navigator.userAgent);
if (m?.length)
return m[1] + '.' + m[2] + '.' + m[3] || '0';
return;
}
export function compareVersions(a, b) {
return a.localeCompare(b, undefined, { numeric: true });
}
export function isBadIOS() {
return isIOS() && compareVersions(osVersion() || '0.0', '15.3') < 0;
}
/**
* [Big files upload error with iOS](https://github.com/kukhariev/ngx-uploadx/issues/316)
* TODO: move to app
*/
export const iosOverride = isBadIOS()
? { chunkSize: 0, retryConfig: { shouldRetry: () => false } }
: {};
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value(ref) : value;\n}\n\nexport const pick = <T, K extends keyof T>(obj: T, props: K[]): Pick<T, K> => {\n  const result = {} as Pick<T, K>;\n  props.forEach(key => (result[key] = obj[key]));\n  return result;\n};\n\nexport function isNumber(x?: unknown): x is number {\n  return x === Number(x);\n}\n\n/**\n * 32-bit FNV-1a hash function\n */\nexport function createHash(str: string): number {\n  let hash = 2166136261;\n  const len = str.length;\n  for (let i = 0; i < len; i++) {\n    hash ^= str.charCodeAt(i);\n    hash += (hash << 1) + (hash << 4) + (hash << 7) + (hash << 8) + (hash << 24);\n  }\n  return hash >>> 0;\n}\n\n/**\n * Utility functions for base64 encoding and decoding strings and objects.\n */\nexport const b64 = {\n  encode: (str: string): string =>\n    btoa(\n      encodeURIComponent(str).replace(/%([0-9A-F]{2})/g, (match, p1) =>\n        String.fromCharCode(Number.parseInt(p1, 16))\n      )\n    ),\n  decode: (str: string): string =>\n    decodeURIComponent(\n      atob(str)\n        .split('')\n        .map(c => '%' + ('00' + c.charCodeAt(0).toString(16)).slice(-2))\n        .join('')\n    ),\n\n  serialize: (obj: Record<string, unknown>): string =>\n    Object.keys(obj)\n      .map(key => [key, b64.encode(String(obj[key]))].filter(Boolean).join(' '))\n      .toString(),\n\n  parse: (encoded: string): Record<string, string> => {\n    const kvPairs = encoded.split(',').map(kv => kv.split(' '));\n    const decoded: Record<string, string> = {};\n    for (const [key, value] of kvPairs) {\n      if (key) decoded[key] = value ? b64.decode(value) : '';\n    }\n    return decoded;\n  }\n};\n\nexport function isBrowser(): boolean {\n  return ![typeof window, typeof navigator].includes('undefined');\n}\n\nexport function onLine(): boolean {\n  return isBrowser() ? navigator.onLine : true;\n}\n\nexport function isIOS(): boolean {\n  return isBrowser() && /iPad|iPhone/.test(navigator.userAgent);\n}\n\nexport function osVersion() {\n  const m = /OS (\\d+)_(\\d+)_?(\\d+)?/.exec(navigator.userAgent);\n  if (m?.length) return m[1] + '.' + m[2] + '.' + m[3] || '0';\n  return;\n}\n\nexport function compareVersions(a: string, b: string): number {\n  return a.localeCompare(b, undefined, { numeric: true });\n}\n\nexport function isBadIOS() {\n  return isIOS() && compareVersions(osVersion() || '0.0', '15.3') < 0;\n}\n\n/**\n * [Big files upload error with iOS](https://github.com/kukhariev/ngx-uploadx/issues/316)\n * TODO: move to app\n */\nexport const iosOverride = isBadIOS()\n  ? { chunkSize: 0, retryConfig: { shouldRetry: () => false } }\n  : {};\n"]}