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Remove use of
editorconfig module to avoid dependency on one-ini …
…wasm file. (#12579)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,168 @@ | ||
| /* -------------------------------------------------------------------------------------------- | ||
| * Copyright (c) Microsoft Corporation. All Rights Reserved. | ||
| * See 'LICENSE' in the project root for license information. | ||
| * ------------------------------------------------------------------------------------------ */ | ||
| 'use strict'; | ||
|
|
||
| import * as fs from 'fs'; | ||
| import * as path from 'path'; | ||
|
|
||
| export const cachedEditorConfigSettings: Map<string, any> = new Map<string, any>(); | ||
|
|
||
| export function mapIndentationReferenceToEditorConfig(value: string | undefined): string { | ||
| if (value !== undefined) { | ||
| // Will never actually be undefined, as these settings have default values. | ||
| if (value === "statementBegin") { | ||
| return "statement_begin"; | ||
| } | ||
| if (value === "outermostParenthesis") { | ||
| return "outermost_parenthesis"; | ||
| } | ||
| } | ||
| return "innermost_parenthesis"; | ||
| } | ||
|
|
||
| export function mapIndentToEditorConfig(value: string | undefined): string { | ||
| if (value !== undefined) { | ||
| // Will never actually be undefined, as these settings have default values. | ||
| if (value === "leftmostColumn") { | ||
| return "leftmost_column"; | ||
| } | ||
| if (value === "oneLeft") { | ||
| return "one_left"; | ||
| } | ||
| } | ||
| return "none"; | ||
| } | ||
|
|
||
| export function mapNewOrSameLineToEditorConfig(value: string | undefined): string { | ||
| if (value !== undefined) { | ||
| // Will never actually be undefined, as these settings have default values. | ||
| if (value === "newLine") { | ||
| return "new_line"; | ||
| } | ||
| if (value === "sameLine") { | ||
| return "same_line"; | ||
| } | ||
| } | ||
| return "ignore"; | ||
| } | ||
|
|
||
| export function mapWrapToEditorConfig(value: string | undefined): string { | ||
| if (value !== undefined) { | ||
| // Will never actually be undefined, as these settings have default values. | ||
| if (value === "allOneLineScopes") { | ||
| return "all_one_line_scopes"; | ||
| } | ||
| if (value === "oneLiners") { | ||
| return "one_liners"; | ||
| } | ||
| } | ||
| return "never"; | ||
| } | ||
|
|
||
| function matchesSection(filePath: string, section: string): boolean { | ||
| const fileName: string = path.basename(filePath); | ||
| // Escape all regex special characters except '*' and '?'. | ||
| // Convert wildcards '*' to '.*' and '?' to '.'. | ||
| const sectionPattern = section.replace(/[.+^${}()|[\]\\]/g, '\\$&').replace(/\*/g, '.*').replace(/\?/g, '.'); | ||
| const regex: RegExp = new RegExp(`^${sectionPattern}$`); | ||
| return regex.test(fileName); | ||
| } | ||
|
|
||
| function parseEditorConfigContent(content: string): Record<string, any> { | ||
| const lines = content.split(/\r?\n/); | ||
| const config: Record<string, any> = {}; | ||
| let currentSection: string | null = '*'; // Use '*' for sectionless (global) settings. | ||
|
|
||
| lines.forEach(line => { | ||
| line = line.trim(); | ||
|
|
||
| if (!line || line.startsWith('#') || line.startsWith(';')) { | ||
| // Skip empty lines and comments. | ||
| return; | ||
| } | ||
|
|
||
| if (line.startsWith('[') && line.endsWith(']')) { | ||
| // New section (e.g., [*.js]) | ||
| currentSection = line.slice(1, -1).trim(); | ||
| config[currentSection] = config[currentSection] || {}; | ||
| } else { | ||
| // Key-value pair (e.g., indent_style = space). | ||
| const [key, ...values] = line.split('='); | ||
| if (key && values.length > 0) { | ||
| const trimmedKey = key.trim(); | ||
| const value = values.join('=').trim(); | ||
| if (currentSection) { | ||
| // Ensure the current section is initialized. | ||
| if (!config[currentSection]) { | ||
| config[currentSection] = {}; | ||
| } | ||
| config[currentSection][trimmedKey] = value; | ||
| } | ||
| } | ||
| } | ||
| }); | ||
|
|
||
| return config; | ||
| } | ||
|
|
||
| function getEditorConfig(filePath: string): any { | ||
| let combinedConfig: any = {}; | ||
| let globalConfig: any = {}; | ||
| let currentDir: string = path.dirname(filePath); | ||
| const rootDir: string = path.parse(currentDir).root; | ||
|
|
||
| // Traverse from the file's directory to the root directory. | ||
| for (;;) { | ||
| const editorConfigPath: string = path.join(currentDir, '.editorconfig'); | ||
| if (fs.existsSync(editorConfigPath)) { | ||
| const configFileContent: string = fs.readFileSync(editorConfigPath, 'utf-8'); | ||
| const configData = parseEditorConfigContent(configFileContent); | ||
|
|
||
| // Extract global (sectionless) entries. | ||
| if (configData['*']) { | ||
| globalConfig = { | ||
| ...globalConfig, | ||
| ...configData['*'] | ||
| }; | ||
| } | ||
|
|
||
| // Match sections and combine configurations. | ||
| Object.keys(configData).forEach((section: string) => { | ||
| if (section !== '*' && matchesSection(filePath, section)) { | ||
| combinedConfig = { | ||
| ...combinedConfig, | ||
| ...configData[section] | ||
| }; | ||
| } | ||
| }); | ||
|
|
||
| // Check if the current .editorconfig is the root. | ||
| if (configData['*']?.root?.toLowerCase() === 'true') { | ||
| break; // Stop searching after processing the root = true file. | ||
| } | ||
| } | ||
| if (currentDir === rootDir) { | ||
| break; // Stop the loop after checking the root directory. | ||
| } | ||
| currentDir = path.dirname(currentDir); | ||
| } | ||
|
|
||
| // Merge global config with section-based config. | ||
| return { | ||
| ...globalConfig, | ||
| ...combinedConfig | ||
| }; | ||
| } | ||
|
|
||
| // Look up the appropriate .editorconfig settings for the specified file. | ||
| // This is intentionally not async to avoid races due to multiple entrancy. | ||
| export function getEditorConfigSettings(fsPath: string): Promise<any> { | ||
| let editorConfigSettings: any = cachedEditorConfigSettings.get(fsPath); | ||
| if (!editorConfigSettings) { | ||
| editorConfigSettings = getEditorConfig(fsPath); | ||
| cachedEditorConfigSettings.set(fsPath, editorConfigSettings); | ||
| } | ||
| return editorConfigSettings; | ||
| } |
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