monaco-editor-core
Version:
A browser based code editor
91 lines (90 loc) • 3.48 kB
JavaScript
/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import { createDecorator } from '../../instantiation/common/instantiation.js';
export const IConfigurationService = createDecorator('configurationService');
export function toValuesTree(properties, conflictReporter) {
const root = Object.create(null);
for (const key in properties) {
addToValueTree(root, key, properties[key], conflictReporter);
}
return root;
}
export function addToValueTree(settingsTreeRoot, key, value, conflictReporter) {
const segments = key.split('.');
const last = segments.pop();
let curr = settingsTreeRoot;
for (let i = 0; i < segments.length; i++) {
const s = segments[i];
let obj = curr[s];
switch (typeof obj) {
case 'undefined':
obj = curr[s] = Object.create(null);
break;
case 'object':
if (obj === null) {
conflictReporter(`Ignoring ${key} as ${segments.slice(0, i + 1).join('.')} is null`);
return;
}
break;
default:
conflictReporter(`Ignoring ${key} as ${segments.slice(0, i + 1).join('.')} is ${JSON.stringify(obj)}`);
return;
}
curr = obj;
}
if (typeof curr === 'object' && curr !== null) {
try {
curr[last] = value; // workaround https://github.com/microsoft/vscode/issues/13606
}
catch (e) {
conflictReporter(`Ignoring ${key} as ${segments.join('.')} is ${JSON.stringify(curr)}`);
}
}
else {
conflictReporter(`Ignoring ${key} as ${segments.join('.')} is ${JSON.stringify(curr)}`);
}
}
export function removeFromValueTree(valueTree, key) {
const segments = key.split('.');
doRemoveFromValueTree(valueTree, segments);
}
function doRemoveFromValueTree(valueTree, segments) {
const first = segments.shift();
if (segments.length === 0) {
// Reached last segment
delete valueTree[first];
return;
}
if (Object.keys(valueTree).indexOf(first) !== -1) {
const value = valueTree[first];
if (typeof value === 'object' && !Array.isArray(value)) {
doRemoveFromValueTree(value, segments);
if (Object.keys(value).length === 0) {
delete valueTree[first];
}
}
}
}
/**
* A helper function to get the configuration value with a specific settings path (e.g. config.some.setting)
*/
export function getConfigurationValue(config, settingPath, defaultValue) {
function accessSetting(config, path) {
let current = config;
for (const component of path) {
if (typeof current !== 'object' || current === null) {
return undefined;
}
current = current[component];
}
return current;
}
const path = settingPath.split('.');
const result = accessSetting(config, path);
return typeof result === 'undefined' ? defaultValue : result;
}
export function getLanguageTagSettingPlainKey(settingKey) {
return settingKey.replace(/[\[\]]/g, '');
}