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123
node_modules/superjson/dist/accessDeep.js
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123
node_modules/superjson/dist/accessDeep.js
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import { isMap, isArray, isPlainObject, isSet } from './is.js';
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import { includes } from './util.js';
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const getNthKey = (value, n) => {
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if (n > value.size)
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throw new Error('index out of bounds');
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const keys = value.keys();
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while (n > 0) {
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keys.next();
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n--;
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}
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return keys.next().value;
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};
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function validatePath(path) {
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if (includes(path, '__proto__')) {
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throw new Error('__proto__ is not allowed as a property');
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}
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if (includes(path, 'prototype')) {
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throw new Error('prototype is not allowed as a property');
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}
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if (includes(path, 'constructor')) {
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throw new Error('constructor is not allowed as a property');
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}
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}
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export const getDeep = (object, path) => {
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validatePath(path);
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for (let i = 0; i < path.length; i++) {
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const key = path[i];
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if (isSet(object)) {
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object = getNthKey(object, +key);
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}
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else if (isMap(object)) {
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const row = +key;
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const type = +path[++i] === 0 ? 'key' : 'value';
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const keyOfRow = getNthKey(object, row);
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switch (type) {
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case 'key':
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object = keyOfRow;
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break;
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case 'value':
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object = object.get(keyOfRow);
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break;
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}
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}
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else {
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object = object[key];
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}
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}
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return object;
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};
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export const setDeep = (object, path, mapper) => {
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validatePath(path);
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if (path.length === 0) {
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return mapper(object);
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}
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let parent = object;
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for (let i = 0; i < path.length - 1; i++) {
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const key = path[i];
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if (isArray(parent)) {
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const index = +key;
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parent = parent[index];
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}
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else if (isPlainObject(parent)) {
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parent = parent[key];
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}
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else if (isSet(parent)) {
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const row = +key;
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parent = getNthKey(parent, row);
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}
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else if (isMap(parent)) {
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const isEnd = i === path.length - 2;
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if (isEnd) {
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break;
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}
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const row = +key;
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const type = +path[++i] === 0 ? 'key' : 'value';
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const keyOfRow = getNthKey(parent, row);
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switch (type) {
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case 'key':
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parent = keyOfRow;
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break;
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case 'value':
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parent = parent.get(keyOfRow);
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break;
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}
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}
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}
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const lastKey = path[path.length - 1];
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if (isArray(parent)) {
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parent[+lastKey] = mapper(parent[+lastKey]);
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}
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else if (isPlainObject(parent)) {
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parent[lastKey] = mapper(parent[lastKey]);
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}
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if (isSet(parent)) {
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const oldValue = getNthKey(parent, +lastKey);
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const newValue = mapper(oldValue);
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if (oldValue !== newValue) {
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parent.delete(oldValue);
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parent.add(newValue);
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}
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}
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if (isMap(parent)) {
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const row = +path[path.length - 2];
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const keyToRow = getNthKey(parent, row);
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const type = +lastKey === 0 ? 'key' : 'value';
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switch (type) {
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case 'key': {
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const newKey = mapper(keyToRow);
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parent.set(newKey, parent.get(keyToRow));
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if (newKey !== keyToRow) {
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parent.delete(keyToRow);
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}
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break;
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}
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case 'value': {
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parent.set(keyToRow, mapper(parent.get(keyToRow)));
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break;
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}
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}
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}
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return object;
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};
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//# sourceMappingURL=accessDeep.js.map
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