Scanner and parser for JSON with comments. 

alexandrudima

joaomoreno.ms

sbatten

microsoft1es

kaimaetzel

lszomoru

vscode-bot

jsonc-parser

microsoft

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bpasero

egamma

jrieken

dbaeumer

chrisdias

isidor

aweinand

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 * added *ParseOptions.allowTrailingComma*. Default is `false`.

 * added *ParseOptions.allowEmptyContent*. Default is `false`.

 * New API *getNodeType*: Returns the type of a value returned by parse.

 * parse: Fix issue with empty property name

 * `JSONScanner` and `JSONVisitor` return lineNumber / character.

  * renamed Node.columnOffset to Node.colonOffset

  * new API getNodePath: Gets the JSON path of the given JSON DOM node

  * new API findNodeAtOffset: Finds the most inner node at the given offset. If includeRightBound is set, also finds nodes that end at the given offset.

  * added the *visit.onComment* API, reported when comments are allowed.

  * added the *ParseErrorCode.InvalidCommentToken* enum value, reported when comments are disallowed.

  * added the *format* API: computes edits to format a JSON document.

  * added the *modify* API: computes edits to insert, remove or replace a property or value in a JSON document.

  * added the *allyEdits* API: applies edits to a document

 * remove nls dependency (remove getParseErrorMessage)

 * added ParseError.offset & ParseError.length

  * fix for `getLocation`. Now `getLocation` inside an object will always return a property from inside that property. Can be empty string if the object has no properties or if the offset is before a actual property  `{ "a": { | }} will return location ['a', ' ']`

/*---------------------------------------------------------------------------------------------

 *  Licensed under the MIT License. See License.txt in the project root for license information.

 *--------------------------------------------------------------------------------------------*/

import { createScanner } from './scanner';

 * For a given offset, evaluate the location in the JSON document. Each segment in the location path is either a property name or an array index.

export function getLocation(text, position) {

    var segments = []; // strings or numbers

    var earlyReturnException = new Object();

    function setPreviousNode(value, offset, length, type) {

        previousNodeInst.offset = offset;

        previousNodeInst.length = length;

        previousNodeInst.colonOffset = undefined;

            onObjectBegin: function (offset, length) {

                if (position <= offset) {

                    throw earlyReturnException;

                previousNode = undefined;

                isAtPropertyKey = position > offset;

                segments.push(''); // push a placeholder (will be replaced)

            onObjectProperty: function (name, offset, length) {

                setPreviousNode(name, offset, length, 'property');

                segments[segments.length - 1] = name;

                if (position <= offset + length) {

            onObjectEnd: function (offset, length) {

            onArrayBegin: function (offset, length) {

            onArrayEnd: function (offset, length) {

            onLiteralValue: function (value, offset, length) {

                setPreviousNode(value, offset, length, getNodeType(value));

            onSeparator: function (sep, offset, length) {

                if (sep === ':' && previousNode && previousNode.type === 'property') {

                    previousNode.colonOffset = offset;

                    isAtPropertyKey = false;

                    previousNode = undefined;

                    var last = segments[segments.length - 1];

                    if (typeof last === 'number') {

                        segments[segments.length - 1] = last + 1;

        onObjectEnd: function (offset, length) {

            ensurePropertyComplete(offset + length); // in case of a missing value for a property: make sure property is complete

            currentParent.length = offset + length - currentParent.offset;

            currentParent = currentParent.parent;

            ensurePropertyComplete(offset + length);

        onArrayBegin: function (offset, length) {

            currentParent = onValue({ type: 'array', offset: offset, length: -1, parent: currentParent, children: [] });

        onArrayEnd: function (offset, length) {

        onLiteralValue: function (value, offset, length) {

            onValue({ type: getNodeType(value), offset: offset, length: length, parent: currentParent, value: value });

        onSeparator: function (sep, offset, length) {

            if (currentParent.type === 'property') {

                    currentParent.colonOffset = offset;

                    ensurePropertyComplete(offset);

        onError: function (error, offset, length) {

            errors.push({ error: error, offset: offset, length: length });

    var result = currentParent.children[0];

 * Finds the node at the given path in a JSON DOM.

export function findNodeAtLocation(root, path) {

    for (var _i = 0, path_1 = path; _i < path_1.length; _i++) {

        if (typeof segment === 'string') {

            if (node.type !== 'object' || !Array.isArray(node.children)) {

            for (var _a = 0, _b = node.children; _a < _b.length; _a++) {

                var propertyNode = _b[_a];

                if (Array.isArray(propertyNode.children) && propertyNode.children[0].value === segment) {

                    node = propertyNode.children[1];

            if (node.type !== 'array' || index < 0 || !Array.isArray(node.children) || index >= node.children.length) {

		{
		"name": "jsonc-parser",
		"version": "2.2.0",
		"version": "2.2.1",
		"description": "Scanner and parser for JSON with comments.",
		@@ -5,0 +5,0 @@ "main": "./lib/umd/main.js",

		2.2.0 2019-10-25
		==================
		* added ParseOptions.allowTrailingComma. Default is `false`.
		* added ParseOptions.allowEmptyContent. Default is `false`.
		* New API getNodeType: Returns the type of a value returned by parse.
		@@ -5,0 +5,0 @@ * parse: Fix issue with empty property name

		@@ -208,2 +208,3 @@ /*---------------------------------------------------------------------------------------------
		onObjectEnd: function (offset, length) {
		ensurePropertyComplete(offset + length); // in case of a missing value for a property: make sure property is complete
		currentParent.length = offset + length - currentParent.offset;
		@@ -210,0 +211,0 @@ currentParent = currentParent.parent;

		@@ -220,2 +220,3 @@ (function (factory) {
		onObjectEnd: function (offset, length) {
		ensurePropertyComplete(offset + length); // in case of a missing value for a property: make sure property is complete
		currentParent.length = offset + length - currentParent.offset;
		@@ -222,0 +223,0 @@ currentParent = currentParent.parent;

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