mirror of https://github.com/ghostfolio/ghostfolio
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47 lines
1.5 KiB
47 lines
1.5 KiB
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.findByPointer = void 0;
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const hasOwnProperty_1 = require("@jsonjoy.com/util/lib/hasOwnProperty");
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const util_1 = require("../util");
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const { isArray } = Array;
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const findByPointer = (pointer, val) => {
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if (!pointer)
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return { val };
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let obj;
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let key;
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let indexOfSlash = 0;
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pointer = pointer.substr(1);
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while (pointer) {
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indexOfSlash = pointer.indexOf('/');
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let component;
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if (indexOfSlash > -1) {
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component = pointer.substring(0, indexOfSlash);
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pointer = pointer.substring(indexOfSlash + 1);
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}
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else {
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component = pointer;
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pointer = '';
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}
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key = (0, util_1.unescapeComponent)(component);
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obj = val;
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if (isArray(obj)) {
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if (key === '-')
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key = obj.length;
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else {
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if (!(0, util_1.isInteger)(key))
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throw new Error('INVALID_INDEX');
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key = Number(key);
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if (key < 0)
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throw new Error('INVALID_INDEX');
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}
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val = (0, hasOwnProperty_1.hasOwnProperty)(obj, String(key)) ? obj[key] : undefined;
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}
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else if (typeof obj === 'object' && !!obj) {
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val = (0, hasOwnProperty_1.hasOwnProperty)(obj, String(key)) ? obj[key] : undefined;
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}
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else
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throw new Error('NOT_FOUND');
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}
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return { val, obj, key };
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};
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exports.findByPointer = findByPointer;
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