IOTConnect-Web/node_modules/axios/lib/core/AxiosHeaders.js
2024-05-09 09:49:52 +08:00

299 lines
6.7 KiB
JavaScript

'use strict';
import utils from '../utils.js';
import parseHeaders from '../helpers/parseHeaders.js';
const $internals = Symbol('internals');
function normalizeHeader(header) {
return header && String(header).trim().toLowerCase();
}
function normalizeValue(value) {
if (value === false || value == null) {
return value;
}
return utils.isArray(value) ? value.map(normalizeValue) : String(value);
}
function parseTokens(str) {
const tokens = Object.create(null);
const tokensRE = /([^\s,;=]+)\s*(?:=\s*([^,;]+))?/g;
let match;
while ((match = tokensRE.exec(str))) {
tokens[match[1]] = match[2];
}
return tokens;
}
const isValidHeaderName = (str) => /^[-_a-zA-Z0-9^`|~,!#$%&'*+.]+$/.test(str.trim());
function matchHeaderValue(context, value, header, filter, isHeaderNameFilter) {
if (utils.isFunction(filter)) {
return filter.call(this, value, header);
}
if (isHeaderNameFilter) {
value = header;
}
if (!utils.isString(value)) return;
if (utils.isString(filter)) {
return value.indexOf(filter) !== -1;
}
if (utils.isRegExp(filter)) {
return filter.test(value);
}
}
function formatHeader(header) {
return header.trim()
.toLowerCase().replace(/([a-z\d])(\w*)/g, (w, char, str) => {
return char.toUpperCase() + str;
});
}
function buildAccessors(obj, header) {
const accessorName = utils.toCamelCase(' ' + header);
['get', 'set', 'has'].forEach(methodName => {
Object.defineProperty(obj, methodName + accessorName, {
value: function(arg1, arg2, arg3) {
return this[methodName].call(this, header, arg1, arg2, arg3);
},
configurable: true
});
});
}
class AxiosHeaders {
constructor(headers) {
headers && this.set(headers);
}
set(header, valueOrRewrite, rewrite) {
const self = this;
function setHeader(_value, _header, _rewrite) {
const lHeader = normalizeHeader(_header);
if (!lHeader) {
throw new Error('header name must be a non-empty string');
}
const key = utils.findKey(self, lHeader);
if(!key || self[key] === undefined || _rewrite === true || (_rewrite === undefined && self[key] !== false)) {
self[key || _header] = normalizeValue(_value);
}
}
const setHeaders = (headers, _rewrite) =>
utils.forEach(headers, (_value, _header) => setHeader(_value, _header, _rewrite));
if (utils.isPlainObject(header) || header instanceof this.constructor) {
setHeaders(header, valueOrRewrite)
} else if(utils.isString(header) && (header = header.trim()) && !isValidHeaderName(header)) {
setHeaders(parseHeaders(header), valueOrRewrite);
} else {
header != null && setHeader(valueOrRewrite, header, rewrite);
}
return this;
}
get(header, parser) {
header = normalizeHeader(header);
if (header) {
const key = utils.findKey(this, header);
if (key) {
const value = this[key];
if (!parser) {
return value;
}
if (parser === true) {
return parseTokens(value);
}
if (utils.isFunction(parser)) {
return parser.call(this, value, key);
}
if (utils.isRegExp(parser)) {
return parser.exec(value);
}
throw new TypeError('parser must be boolean|regexp|function');
}
}
}
has(header, matcher) {
header = normalizeHeader(header);
if (header) {
const key = utils.findKey(this, header);
return !!(key && this[key] !== undefined && (!matcher || matchHeaderValue(this, this[key], key, matcher)));
}
return false;
}
delete(header, matcher) {
const self = this;
let deleted = false;
function deleteHeader(_header) {
_header = normalizeHeader(_header);
if (_header) {
const key = utils.findKey(self, _header);
if (key && (!matcher || matchHeaderValue(self, self[key], key, matcher))) {
delete self[key];
deleted = true;
}
}
}
if (utils.isArray(header)) {
header.forEach(deleteHeader);
} else {
deleteHeader(header);
}
return deleted;
}
clear(matcher) {
const keys = Object.keys(this);
let i = keys.length;
let deleted = false;
while (i--) {
const key = keys[i];
if(!matcher || matchHeaderValue(this, this[key], key, matcher, true)) {
delete this[key];
deleted = true;
}
}
return deleted;
}
normalize(format) {
const self = this;
const headers = {};
utils.forEach(this, (value, header) => {
const key = utils.findKey(headers, header);
if (key) {
self[key] = normalizeValue(value);
delete self[header];
return;
}
const normalized = format ? formatHeader(header) : String(header).trim();
if (normalized !== header) {
delete self[header];
}
self[normalized] = normalizeValue(value);
headers[normalized] = true;
});
return this;
}
concat(...targets) {
return this.constructor.concat(this, ...targets);
}
toJSON(asStrings) {
const obj = Object.create(null);
utils.forEach(this, (value, header) => {
value != null && value !== false && (obj[header] = asStrings && utils.isArray(value) ? value.join(', ') : value);
});
return obj;
}
[Symbol.iterator]() {
return Object.entries(this.toJSON())[Symbol.iterator]();
}
toString() {
return Object.entries(this.toJSON()).map(([header, value]) => header + ': ' + value).join('\n');
}
get [Symbol.toStringTag]() {
return 'AxiosHeaders';
}
static from(thing) {
return thing instanceof this ? thing : new this(thing);
}
static concat(first, ...targets) {
const computed = new this(first);
targets.forEach((target) => computed.set(target));
return computed;
}
static accessor(header) {
const internals = this[$internals] = (this[$internals] = {
accessors: {}
});
const accessors = internals.accessors;
const prototype = this.prototype;
function defineAccessor(_header) {
const lHeader = normalizeHeader(_header);
if (!accessors[lHeader]) {
buildAccessors(prototype, _header);
accessors[lHeader] = true;
}
}
utils.isArray(header) ? header.forEach(defineAccessor) : defineAccessor(header);
return this;
}
}
AxiosHeaders.accessor(['Content-Type', 'Content-Length', 'Accept', 'Accept-Encoding', 'User-Agent', 'Authorization']);
// reserved names hotfix
utils.reduceDescriptors(AxiosHeaders.prototype, ({value}, key) => {
let mapped = key[0].toUpperCase() + key.slice(1); // map `set` => `Set`
return {
get: () => value,
set(headerValue) {
this[mapped] = headerValue;
}
}
});
utils.freezeMethods(AxiosHeaders);
export default AxiosHeaders;