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194
node_modules/smol-toml/dist/struct.js
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node_modules/smol-toml/dist/struct.js
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/*!
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* Copyright (c) Squirrel Chat et al., All rights reserved.
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holder nor the names of its contributors
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* may be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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import { parseString } from './primitive.js';
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import { extractValue } from './extract.js';
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import { getStringEnd, indexOfNewline, skipComment, skipVoid } from './util.js';
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import { TomlError } from './error.js';
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let KEY_PART_RE = /^[a-zA-Z0-9-_]+[ \t]*$/;
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export function parseKey(str, ptr, end = '=') {
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let dot = ptr - 1;
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let parsed = [];
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let endPtr = str.indexOf(end, ptr);
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if (endPtr < 0) {
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throw new TomlError('incomplete key-value: cannot find end of key', {
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toml: str,
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ptr: ptr,
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});
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}
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do {
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let c = str[ptr = ++dot];
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// If it's whitespace, ignore
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if (c !== ' ' && c !== '\t') {
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// If it's a string
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if (c === '"' || c === '\'') {
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if (c === str[ptr + 1] && c === str[ptr + 2]) {
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throw new TomlError('multiline strings are not allowed in keys', {
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toml: str,
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ptr: ptr,
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});
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}
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let eos = getStringEnd(str, ptr);
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if (eos < 0) {
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throw new TomlError('unfinished string encountered', {
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toml: str,
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ptr: ptr,
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});
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}
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dot = str.indexOf('.', eos);
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let strEnd = str.slice(eos, dot < 0 || dot > endPtr ? endPtr : dot);
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let newLine = indexOfNewline(strEnd);
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if (newLine > -1) {
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throw new TomlError('newlines are not allowed in keys', {
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toml: str,
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ptr: ptr + dot + newLine,
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});
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}
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if (strEnd.trimStart()) {
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throw new TomlError('found extra tokens after the string part', {
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toml: str,
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ptr: eos,
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});
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}
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if (endPtr < eos) {
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endPtr = str.indexOf(end, eos);
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if (endPtr < 0) {
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throw new TomlError('incomplete key-value: cannot find end of key', {
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toml: str,
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ptr: ptr,
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});
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}
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}
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parsed.push(parseString(str, ptr, eos));
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}
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else {
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// Normal raw key part consumption and validation
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dot = str.indexOf('.', ptr);
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let part = str.slice(ptr, dot < 0 || dot > endPtr ? endPtr : dot);
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if (!KEY_PART_RE.test(part)) {
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throw new TomlError('only letter, numbers, dashes and underscores are allowed in keys', {
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toml: str,
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ptr: ptr,
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});
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}
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parsed.push(part.trimEnd());
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}
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}
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// Until there's no more dot
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} while (dot + 1 && dot < endPtr);
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return [parsed, skipVoid(str, endPtr + 1, true, true)];
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}
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export function parseInlineTable(str, ptr, depth, integersAsBigInt) {
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let res = {};
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let seen = new Set();
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let c;
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let comma = 0;
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ptr++;
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while ((c = str[ptr++]) !== '}' && c) {
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let err = { toml: str, ptr: ptr - 1 };
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if (c === '\n') {
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throw new TomlError('newlines are not allowed in inline tables', err);
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}
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else if (c === '#') {
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throw new TomlError('inline tables cannot contain comments', err);
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}
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else if (c === ',') {
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throw new TomlError('expected key-value, found comma', err);
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}
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else if (c !== ' ' && c !== '\t') {
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let k;
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let t = res;
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let hasOwn = false;
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let [key, keyEndPtr] = parseKey(str, ptr - 1);
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for (let i = 0; i < key.length; i++) {
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if (i)
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t = hasOwn ? t[k] : (t[k] = {});
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k = key[i];
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if ((hasOwn = Object.hasOwn(t, k)) && (typeof t[k] !== 'object' || seen.has(t[k]))) {
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throw new TomlError('trying to redefine an already defined value', {
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toml: str,
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ptr: ptr,
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});
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}
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if (!hasOwn && k === '__proto__') {
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Object.defineProperty(t, k, { enumerable: true, configurable: true, writable: true });
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}
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}
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if (hasOwn) {
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throw new TomlError('trying to redefine an already defined value', {
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toml: str,
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ptr: ptr,
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});
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}
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let [value, valueEndPtr] = extractValue(str, keyEndPtr, '}', depth - 1, integersAsBigInt);
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seen.add(value);
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t[k] = value;
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ptr = valueEndPtr;
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comma = str[ptr - 1] === ',' ? ptr - 1 : 0;
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}
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}
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if (comma) {
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throw new TomlError('trailing commas are not allowed in inline tables', {
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toml: str,
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ptr: comma,
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});
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}
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if (!c) {
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throw new TomlError('unfinished table encountered', {
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toml: str,
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ptr: ptr,
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});
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}
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return [res, ptr];
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}
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export function parseArray(str, ptr, depth, integersAsBigInt) {
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let res = [];
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let c;
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ptr++;
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while ((c = str[ptr++]) !== ']' && c) {
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if (c === ',') {
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throw new TomlError('expected value, found comma', {
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toml: str,
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ptr: ptr - 1,
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});
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}
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else if (c === '#')
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ptr = skipComment(str, ptr);
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else if (c !== ' ' && c !== '\t' && c !== '\n' && c !== '\r') {
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let e = extractValue(str, ptr - 1, ']', depth - 1, integersAsBigInt);
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res.push(e[0]);
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ptr = e[1];
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}
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}
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if (!c) {
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throw new TomlError('unfinished array encountered', {
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toml: str,
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ptr: ptr,
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});
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}
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return [res, ptr];
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}
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