@dnb/eufemia
Version:
DNB Eufemia Design System UI Library
128 lines • 4.27 kB
JavaScript
import _defineProperty from "@babel/runtime/helpers/esm/defineProperty";
function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
export function get(obj, pointer) {
const refTokens = Array.isArray(pointer) ? pointer : parse(pointer);
for (let i = 0; i < refTokens.length; ++i) {
const tok = refTokens[i];
if (!(typeof obj == 'object' && tok in obj)) {
throw new Error('Invalid reference token: ' + tok);
}
obj = obj[tok];
}
return obj;
}
export function set(obj, pointer, value) {
const refTokens = Array.isArray(pointer) ? pointer : parse(pointer);
let nextTok = refTokens[0];
if (refTokens.length === 0) {
throw Error('Cannot set the root object');
}
for (let i = 0; i < refTokens.length - 1; ++i) {
let tok = refTokens[i];
if (typeof tok !== 'string' && typeof tok !== 'number') {
tok = String(tok);
}
if (tok === '__proto__' || tok === 'constructor' || tok === 'prototype') {
continue;
}
if (tok === '-' && Array.isArray(obj)) {
tok = obj.length;
}
nextTok = refTokens[i + 1];
if (!(tok in obj)) {
if (nextTok.match(/^(\d+|-)$/)) {
obj[tok] = [];
} else {
obj[tok] = {};
}
}
if (Object.isFrozen(obj[tok])) {
obj[tok] = _objectSpread({}, obj[tok]);
}
obj = obj[tok];
}
if (nextTok === '-' && Array.isArray(obj)) {
nextTok = obj.length;
}
obj[nextTok] = value;
}
export function remove(obj, pointer) {
const refTokens = Array.isArray(pointer) ? pointer : parse(pointer);
const finalToken = refTokens[refTokens.length - 1];
if (finalToken === undefined) {
throw new Error('Invalid JSON pointer for remove: "' + pointer + '"');
}
const parent = get(obj, refTokens.slice(0, -1));
if (Array.isArray(parent)) {
const index = +finalToken;
if (finalToken === '' && isNaN(index)) {
throw new Error('Invalid array index: "' + finalToken + '"');
}
Array.prototype.splice.call(parent, index, 1);
} else {
delete parent[finalToken];
}
}
export function dict(obj, descend = null) {
const results = {};
walk(obj, function (value, pointer) {
results[pointer] = value;
}, descend);
return results;
}
export function walk(obj, iterator, descend = null) {
const refTokens = [];
descend = descend || function (value) {
const type = Object.prototype.toString.call(value);
return type === '[object Object]' || type === '[object Array]';
};
function next(cur) {
if (Array.isArray(cur)) {
cur = cur.reduce((acc, cur, i) => {
acc[i] = cur;
return acc;
}, {});
}
Object.keys(cur).forEach(key => {
refTokens.push(String(key));
if (descend(cur[key])) {
next(cur[key]);
} else {
iterator(cur[key], compile(refTokens));
}
refTokens.pop();
});
}
next(obj);
}
export function has(obj, pointer) {
try {
get(obj, pointer);
} catch (e) {
return false;
}
return true;
}
export function escape(str) {
return str.toString().replace(/~/g, '~0').replace(/\//g, '~1');
}
export function unescape(str) {
return str.replace(/~1/g, '/').replace(/~0/g, '~');
}
export function parse(pointer) {
if (pointer === '') {
return [];
}
if ((pointer === null || pointer === void 0 ? void 0 : pointer.charAt(0)) !== '/') {
throw new Error('Invalid JSON pointer: ' + pointer);
}
return pointer.substring(1).split(/\//).map(unescape);
}
export function compile(refTokens) {
if (refTokens.length === 0) {
return '';
}
return '/' + refTokens.map(escape).join('/');
}
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