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202 lines
9.8 KiB
202 lines
9.8 KiB
2 years ago
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(function (factory) {
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if (typeof module === "object" && typeof module.exports === "object") {
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var v = factory(require, exports);
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if (v !== undefined) module.exports = v;
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}
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else if (typeof define === "function" && define.amd) {
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define(["require", "exports", "./format", "./parser"], factory);
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}
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})(function (require, exports) {
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/*---------------------------------------------------------------------------------------------
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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'use strict';
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.isWS = exports.applyEdit = exports.setProperty = exports.removeProperty = void 0;
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const format_1 = require("./format");
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const parser_1 = require("./parser");
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function removeProperty(text, path, options) {
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return setProperty(text, path, void 0, options);
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}
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exports.removeProperty = removeProperty;
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function setProperty(text, originalPath, value, options) {
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const path = originalPath.slice();
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const errors = [];
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const root = (0, parser_1.parseTree)(text, errors);
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let parent = void 0;
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let lastSegment = void 0;
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while (path.length > 0) {
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lastSegment = path.pop();
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parent = (0, parser_1.findNodeAtLocation)(root, path);
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if (parent === void 0 && value !== void 0) {
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if (typeof lastSegment === 'string') {
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value = { [lastSegment]: value };
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}
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else {
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value = [value];
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}
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}
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else {
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break;
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}
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}
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if (!parent) {
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// empty document
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if (value === void 0) { // delete
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throw new Error('Can not delete in empty document');
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}
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return withFormatting(text, { offset: root ? root.offset : 0, length: root ? root.length : 0, content: JSON.stringify(value) }, options);
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}
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else if (parent.type === 'object' && typeof lastSegment === 'string' && Array.isArray(parent.children)) {
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const existing = (0, parser_1.findNodeAtLocation)(parent, [lastSegment]);
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if (existing !== void 0) {
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if (value === void 0) { // delete
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if (!existing.parent) {
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throw new Error('Malformed AST');
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}
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const propertyIndex = parent.children.indexOf(existing.parent);
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let removeBegin;
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let removeEnd = existing.parent.offset + existing.parent.length;
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if (propertyIndex > 0) {
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// remove the comma of the previous node
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let previous = parent.children[propertyIndex - 1];
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removeBegin = previous.offset + previous.length;
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}
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else {
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removeBegin = parent.offset + 1;
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if (parent.children.length > 1) {
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// remove the comma of the next node
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let next = parent.children[1];
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removeEnd = next.offset;
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}
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}
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return withFormatting(text, { offset: removeBegin, length: removeEnd - removeBegin, content: '' }, options);
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}
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else {
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// set value of existing property
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return withFormatting(text, { offset: existing.offset, length: existing.length, content: JSON.stringify(value) }, options);
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}
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}
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else {
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if (value === void 0) { // delete
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return []; // property does not exist, nothing to do
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}
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const newProperty = `${JSON.stringify(lastSegment)}: ${JSON.stringify(value)}`;
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const index = options.getInsertionIndex ? options.getInsertionIndex(parent.children.map(p => p.children[0].value)) : parent.children.length;
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let edit;
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if (index > 0) {
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let previous = parent.children[index - 1];
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edit = { offset: previous.offset + previous.length, length: 0, content: ',' + newProperty };
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}
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else if (parent.children.length === 0) {
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edit = { offset: parent.offset + 1, length: 0, content: newProperty };
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}
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else {
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edit = { offset: parent.offset + 1, length: 0, content: newProperty + ',' };
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}
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return withFormatting(text, edit, options);
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}
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}
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else if (parent.type === 'array' && typeof lastSegment === 'number' && Array.isArray(parent.children)) {
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const insertIndex = lastSegment;
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if (insertIndex === -1) {
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// Insert
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const newProperty = `${JSON.stringify(value)}`;
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let edit;
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if (parent.children.length === 0) {
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edit = { offset: parent.offset + 1, length: 0, content: newProperty };
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}
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else {
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const previous = parent.children[parent.children.length - 1];
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edit = { offset: previous.offset + previous.length, length: 0, content: ',' + newProperty };
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}
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return withFormatting(text, edit, options);
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}
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else if (value === void 0 && parent.children.length >= 0) {
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// Removal
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const removalIndex = lastSegment;
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const toRemove = parent.children[removalIndex];
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let edit;
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if (parent.children.length === 1) {
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// only item
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edit = { offset: parent.offset + 1, length: parent.length - 2, content: '' };
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}
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else if (parent.children.length - 1 === removalIndex) {
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// last item
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let previous = parent.children[removalIndex - 1];
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let offset = previous.offset + previous.length;
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let parentEndOffset = parent.offset + parent.length;
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edit = { offset, length: parentEndOffset - 2 - offset, content: '' };
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}
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else {
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edit = { offset: toRemove.offset, length: parent.children[removalIndex + 1].offset - toRemove.offset, content: '' };
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}
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return withFormatting(text, edit, options);
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}
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else if (value !== void 0) {
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let edit;
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const newProperty = `${JSON.stringify(value)}`;
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if (!options.isArrayInsertion && parent.children.length > lastSegment) {
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const toModify = parent.children[lastSegment];
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edit = { offset: toModify.offset, length: toModify.length, content: newProperty };
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}
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else if (parent.children.length === 0 || lastSegment === 0) {
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edit = { offset: parent.offset + 1, length: 0, content: parent.children.length === 0 ? newProperty : newProperty + ',' };
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}
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else {
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const index = lastSegment > parent.children.length ? parent.children.length : lastSegment;
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const previous = parent.children[index - 1];
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edit = { offset: previous.offset + previous.length, length: 0, content: ',' + newProperty };
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}
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return withFormatting(text, edit, options);
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}
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else {
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throw new Error(`Can not ${value === void 0 ? 'remove' : (options.isArrayInsertion ? 'insert' : 'modify')} Array index ${insertIndex} as length is not sufficient`);
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}
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}
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else {
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throw new Error(`Can not add ${typeof lastSegment !== 'number' ? 'index' : 'property'} to parent of type ${parent.type}`);
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}
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}
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exports.setProperty = setProperty;
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function withFormatting(text, edit, options) {
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if (!options.formattingOptions) {
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return [edit];
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}
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// apply the edit
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let newText = applyEdit(text, edit);
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// format the new text
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let begin = edit.offset;
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let end = edit.offset + edit.content.length;
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if (edit.length === 0 || edit.content.length === 0) { // insert or remove
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while (begin > 0 && !(0, format_1.isEOL)(newText, begin - 1)) {
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begin--;
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}
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while (end < newText.length && !(0, format_1.isEOL)(newText, end)) {
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end++;
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}
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}
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const edits = (0, format_1.format)(newText, { offset: begin, length: end - begin }, { ...options.formattingOptions, keepLines: false });
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// apply the formatting edits and track the begin and end offsets of the changes
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for (let i = edits.length - 1; i >= 0; i--) {
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const edit = edits[i];
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newText = applyEdit(newText, edit);
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begin = Math.min(begin, edit.offset);
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end = Math.max(end, edit.offset + edit.length);
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end += edit.content.length - edit.length;
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}
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// create a single edit with all changes
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const editLength = text.length - (newText.length - end) - begin;
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return [{ offset: begin, length: editLength, content: newText.substring(begin, end) }];
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}
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function applyEdit(text, edit) {
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return text.substring(0, edit.offset) + edit.content + text.substring(edit.offset + edit.length);
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}
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exports.applyEdit = applyEdit;
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function isWS(text, offset) {
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return '\r\n \t'.indexOf(text.charAt(offset)) !== -1;
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}
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exports.isWS = isWS;
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});
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