455 lines
20 KiB
EmacsLisp
455 lines
20 KiB
EmacsLisp
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;;; lsp-eslint.el --- lsp-mode eslint integration -*- lexical-binding: t; -*-
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;; Copyright (C) 2019 Ivan Yonchovski
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;; Author: Ivan Yonchovski <yyoncho@gmail.com>
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;; Keywords: languages
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;; This program is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with this program. If not, see <https://www.gnu.org/licenses/>.
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;;; Commentary:
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;;
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;;; Code:
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(require 'lsp-protocol)
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(require 'lsp-mode)
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(defconst lsp-eslint/status-ok 1)
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(defconst lsp-eslint/status-warn 2)
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(defconst lsp-eslint/status-error 3)
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(defgroup lsp-eslint nil
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"ESLint language server group."
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:group 'lsp-mode
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:link '(url-link "https://github.com/microsoft/vscode-eslint"))
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(defcustom lsp-eslint-unzipped-path (f-join lsp-server-install-dir "eslint/unzipped")
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"The path to the file in which `eslint' will be stored."
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:type 'file
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:group 'lsp-eslint
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:package-version '(lsp-mode . "8.0.0"))
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(defcustom lsp-eslint-download-url "https://github.com/emacs-lsp/lsp-server-binaries/blob/master/dbaeumer.vscode-eslint-2.2.2.vsix?raw=true"
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"ESLint language server download url."
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:type 'string
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:group 'lsp-eslint
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:package-version '(lsp-mode . "8.0.1"))
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(defcustom lsp-eslint-server-command `("node"
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"~/server/out/eslintServer.js"
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"--stdio")
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"Command to start ESLint server."
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:risky t
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:type '(repeat string)
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:package-version '(lsp-mode . "6.3"))
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(defcustom lsp-eslint-enable t
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"Controls whether ESLint is enabled for JavaScript files or not."
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:type 'boolean
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:package-version '(lsp-mode . "6.3"))
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(defcustom lsp-eslint-package-manager "npm"
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"The package manager you use to install node modules."
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:type '(choice (const :tag "npm" "npm")
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(const :tag "yarn" "yarn")
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(const :tag "pnpm" "pnpm")
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(string :tag "other"))
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:package-version '(lsp-mode . "6.3"))
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(defcustom lsp-eslint-format t
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"Whether to perform format."
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:type 'boolean
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:package-version '(lsp-mode . "6.3"))
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(defcustom lsp-eslint-node-path nil
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"A path added to NODE_PATH when resolving the `eslint' module."
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:type '(repeat string)
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:package-version '(lsp-mode . "6.3"))
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(defcustom lsp-eslint-node "node"
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"Path to Node.js."
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:type 'file
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:package-version '(lsp-mode . "8.0.0"))
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(defcustom lsp-eslint-options nil
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"The ESLint options object to provide args normally passed to
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`eslint' when executed from a command line (see
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https://eslint.org/docs/latest/integrate/nodejs-api)."
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:type 'alist)
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(defcustom lsp-eslint-experimental nil
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"The eslint experimental configuration."
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:type 'alist)
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(defcustom lsp-eslint-config-problems nil
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"The eslint problems configuration."
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:type 'alist)
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(defcustom lsp-eslint-time-budget nil
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"The eslint config to inform you of slow validation times and
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long ESLint runs when computing code fixes during save."
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:type 'alist)
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(defcustom lsp-eslint-trace-server "off"
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"Traces the communication between VSCode and the ESLint linter service."
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:type 'string)
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(defcustom lsp-eslint-run "onType"
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"Run the linter on save (onSave) or on type (onType)"
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:type '(choice (const :tag "onSave" "onSave")
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(const :tag "onType" "onType"))
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:package-version '(lsp-mode . "6.3"))
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(defcustom lsp-eslint-auto-fix-on-save nil
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"Turns auto fix on save on or off."
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:type 'boolean
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:package-version '(lsp-mode . "6.3"))
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(defcustom lsp-eslint-fix-all-problem-type "all"
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"Determines which problems are fixed when running the
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source.fixAll code action."
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:type '(choice
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(const "all")
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(const "problems")
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string)
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:package-version '(lsp-mode . "7.0.1"))
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(defcustom lsp-eslint-quiet nil
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"Turns on quiet mode, which ignores warnings."
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:type 'boolean
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:package-version '(lsp-mode . "6.3"))
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(defcustom lsp-eslint-working-directories []
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"A vector of working directory names to use. Can be a pattern, an absolute path
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or a path relative to the workspace. Examples:
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- \"/home/user/abc/\"
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- \"abc/\"
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- (directory \"abc\") which is equivalent to \"abc\" above
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- (pattern \"abc/*\")
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Note that the home directory reference ~/ is not currently supported, use
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/home/[user]/ instead."
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:type 'lsp-string-vector
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:package-version '(lsp-mode . "6.3"))
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(defcustom lsp-eslint-validate '("svelte")
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"An array of language ids which should always be validated by ESLint."
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:type '(repeat string)
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:package-version '(lsp-mode . "8.0.0"))
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(defcustom lsp-eslint-provide-lint-task nil
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"Controls whether a task for linting the whole workspace will be available."
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:type 'boolean
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:package-version '(lsp-mode . "6.3"))
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(defcustom lsp-eslint-lint-task-enable nil
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"Controls whether a task for linting the whole workspace will be available."
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:type 'boolean
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:package-version '(lsp-mode . "6.3"))
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(defcustom lsp-eslint-lint-task-options "."
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"Command line options applied when running the task for linting the whole
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workspace (see https://eslint.org/docs/user-guide/command-line-interface)."
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:type 'string
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:package-version '(lsp-mode . "6.3"))
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(defcustom lsp-eslint-runtime nil
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"The location of the node binary to run ESLint under."
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:type '(repeat string)
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:package-version '(lsp-mode . "6.3"))
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(defcustom lsp-eslint-code-action-disable-rule-comment t
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"Controls whether code actions to add a rule-disabling comment should be shown."
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:type 'bool
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:package-version '(lsp-mode . "6.3"))
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(defcustom lsp-eslint-code-action-disable-rule-comment-location "separateLine"
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"Controls where the disable rule code action places comments.
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Accepts the following values:
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- \"separateLine\": Add the comment above the line to be disabled (default).
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- \"sameLine\": Add the comment on the same line that will be disabled."
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:type '(choice
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(const "separateLine")
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(const "sameLine"))
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:package-version '(lsp-mode . "8.0.0"))
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(defcustom lsp-eslint-code-action-show-documentation t
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"Controls whether code actions to show documentation for an ESLint rule should
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be shown."
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:type 'bool
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:package-version '(lsp-mode . "8.0.0"))
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(defcustom lsp-eslint-warn-on-ignored-files nil
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"Controls whether a warning should be emitted when a file is ignored."
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:type 'bool
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:package-version '(lsp-mode . "8.0.0"))
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(defcustom lsp-eslint-rules-customizations []
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"Controls severity overrides for ESLint rules.
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The value is a vector of alists, with each alist containing the following keys:
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- rule - The rule to match. Can match wildcards with *, or be prefixed with !
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to negate the match.
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- severity - The severity to report this rule as. Can be one of the following:
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- \"off\": Disable the rule.
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- \"info\": Report as informational.
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- \"warn\": Report as a warning.
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- \"error\": Report as an error.
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- \"upgrade\": Increase by 1 severity level (eg. warning -> error).
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- \"downgrade\": Decrease by 1 severity level (eg. warning -> info).
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- \"default\": Report as the same severity specified in the ESLint config."
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:type '(lsp-repeatable-vector
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(alist :options ((rule string)
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(severity (choice
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(const "off")
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(const "info")
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(const "warn")
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(const "error")
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(const "upgrade")
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(const "downgrade")
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(const "default"))))))
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:package-version '(lsp-mode . "8.0.0"))
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(defcustom lsp-eslint-experimental-incremental-sync t
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"Controls whether the new incremental text document synchronization should
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be used."
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:type 'boolean
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:package-version '(lsp-mode . "6.3"))
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(defcustom lsp-eslint-save-library-choices t
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"Controls whether to remember choices made to permit or deny ESLint libraries
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from running."
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:type 'boolean
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:package-version '(lsp-mode . "8.0.0"))
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(defcustom lsp-eslint-library-choices-file (expand-file-name (locate-user-emacs-file ".lsp-eslint-choices"))
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"The file where choices to permit or deny ESLint libraries from running is
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stored."
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:type 'string
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:package-version '(lsp-mode . "8.0.0"))
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(defun lsp--find-eslint ()
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(or
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(when-let ((workspace-folder (lsp-find-session-folder (lsp-session) default-directory)))
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(let ((eslint-local-path (f-join workspace-folder "node_modules" ".bin"
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(if (eq system-type 'windows-nt) "eslint.cmd" "eslint"))))
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(when (f-exists? eslint-local-path)
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eslint-local-path)))
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"eslint"))
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(defun lsp-eslint-create-default-configuration ()
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"Create default ESLint configuration."
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(interactive)
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(unless (lsp-session-folders (lsp-session))
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(user-error "There are no workspace folders"))
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(pcase (->> (lsp-session)
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lsp-session-folders
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(-filter (lambda (dir)
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(-none?
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(lambda (file) (f-exists? (f-join dir file)))
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'(".eslintrc.js" ".eslintrc.yaml" ".eslintrc.yml" ".eslintrc" ".eslintrc.json")))))
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(`nil (user-error "All workspace folders contain ESLint configuration"))
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(folders (let ((default-directory (completing-read "Select project folder: " folders nil t)))
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(async-shell-command (format "%s --init" (lsp--find-eslint)))))))
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(lsp-defun lsp-eslint-status-handler (workspace (&eslint:StatusParams :state))
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(setf (lsp--workspace-status-string workspace)
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(propertize "ESLint"
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'face (cond
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((eq state lsp-eslint/status-error) 'error)
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((eq state lsp-eslint/status-warn) 'warn)
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(t 'success)))))
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(lsp-defun lsp-eslint--configuration (_workspace (&ConfigurationParams :items))
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(->> items
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(seq-map (-lambda ((&ConfigurationItem :scope-uri?))
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(-when-let* ((file (lsp--uri-to-path scope-uri?))
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(buffer (find-buffer-visiting file))
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(workspace-folder (lsp-find-session-folder (lsp-session) file)))
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(with-current-buffer buffer
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(let ((working-directory (lsp-eslint--working-directory workspace-folder file)))
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(list :validate (if (member (lsp-buffer-language) lsp-eslint-validate) "on" "probe")
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:packageManager lsp-eslint-package-manager
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:codeAction (list
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:disableRuleComment (list
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:enable (lsp-json-bool lsp-eslint-code-action-disable-rule-comment)
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:location lsp-eslint-code-action-disable-rule-comment-location)
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:showDocumentation (list
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:enable (lsp-json-bool lsp-eslint-code-action-show-documentation)))
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:codeActionOnSave (list :enable (lsp-json-bool lsp-eslint-auto-fix-on-save)
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:mode lsp-eslint-fix-all-problem-type)
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:format (lsp-json-bool lsp-eslint-format)
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:quiet (lsp-json-bool lsp-eslint-quiet)
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:onIgnoredFiles (if lsp-eslint-warn-on-ignored-files "warn" "off")
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:options (or lsp-eslint-options (ht))
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:experimental (or lsp-eslint-experimental (ht))
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:problems (or lsp-eslint-config-problems (ht))
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:timeBudget (or lsp-eslint-time-budget (ht))
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:rulesCustomizations lsp-eslint-rules-customizations
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:run lsp-eslint-run
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:nodePath lsp-eslint-node-path
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:workingDirectory (when working-directory
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(list
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:directory working-directory
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:!cwd :json-false))
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:workspaceFolder (list :uri (lsp--path-to-uri workspace-folder)
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:name (f-filename workspace-folder))))))))
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(apply #'vector)))
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(defun lsp-eslint--working-directory (workspace current-file)
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"Find the first directory in the parameter config.workingDirectories which
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contains the current file"
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(let ((directories (-map (lambda (dir)
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(when (and (listp dir) (plist-member dir 'directory))
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(setq dir (plist-get dir 'directory)))
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(if (and (listp dir) (plist-member dir 'pattern))
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(progn
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(setq dir (plist-get dir 'pattern))
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(when (not (f-absolute? dir))
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(setq dir (f-join workspace dir)))
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(f-glob dir))
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(if (f-absolute? dir)
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dir
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(f-join workspace dir))))
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(append lsp-eslint-working-directories nil))))
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(-first (lambda (dir) (f-ancestor-of-p dir current-file)) (-flatten directories))))
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(lsp-defun lsp-eslint--open-doc (_workspace (&eslint:OpenESLintDocParams :url))
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"Open documentation."
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(browse-url url))
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(defun lsp-eslint-apply-all-fixes ()
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"Apply all autofixes in the current buffer."
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(interactive)
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||
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(lsp-send-execute-command "eslint.applyAllFixes" (vector (lsp--versioned-text-document-identifier))))
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||
|
|
|
||
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;; XXX: replace with `lsp-make-interactive-code-action' macro
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||
|
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;; (lsp-make-interactive-code-action eslint-fix-all "source.fixAll.eslint")
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||
|
|
|
||
|
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(defun lsp-eslint-fix-all ()
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||
|
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"Perform the source.fixAll.eslint code action, if available."
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||
|
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(interactive)
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||
|
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(condition-case nil
|
||
|
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(lsp-execute-code-action-by-kind "source.fixAll.eslint")
|
||
|
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(lsp-no-code-actions
|
||
|
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(when (called-interactively-p 'any)
|
||
|
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(lsp--info "source.fixAll.eslint action not available")))))
|
||
|
|
|
||
|
|
(defun lsp-eslint-server-command ()
|
||
|
|
(if (lsp-eslint-server-exists? lsp-eslint-server-command)
|
||
|
|
lsp-eslint-server-command
|
||
|
|
`(,lsp-eslint-node ,(f-join lsp-eslint-unzipped-path
|
||
|
|
"extension/server/out/eslintServer.js")
|
||
|
|
"--stdio")))
|
||
|
|
|
||
|
|
(defun lsp-eslint-server-exists? (eslint-server-command)
|
||
|
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(let* ((command-name (f-base (f-filename (cl-first eslint-server-command))))
|
||
|
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(first-argument (cl-second eslint-server-command))
|
||
|
|
(first-argument-exist (and first-argument (file-exists-p first-argument))))
|
||
|
|
(if (equal command-name lsp-eslint-node)
|
||
|
|
first-argument-exist
|
||
|
|
(executable-find (cl-first eslint-server-command)))))
|
||
|
|
|
||
|
|
(defvar lsp-eslint--stored-libraries (ht)
|
||
|
|
"Hash table defining if a given path to an ESLint library is allowed to run.
|
||
|
|
If the value for a key is 4, it will be allowed. If it is 1, it will not. If a
|
||
|
|
value does not exist for the key, or the value is nil, the user will be prompted
|
||
|
|
to allow or deny it.")
|
||
|
|
|
||
|
|
(when (and (file-exists-p lsp-eslint-library-choices-file)
|
||
|
|
lsp-eslint-save-library-choices)
|
||
|
|
(setq lsp-eslint--stored-libraries (lsp--read-from-file lsp-eslint-library-choices-file)))
|
||
|
|
|
||
|
|
(lsp-defun lsp-eslint--confirm-local (_workspace (&eslint:ConfirmExecutionParams :library-path) callback)
|
||
|
|
(if-let ((option-alist '(("Always" 4 . t)
|
||
|
|
("Yes" 4 . nil)
|
||
|
|
("No" 1 . nil)
|
||
|
|
("Never" 1 . t)))
|
||
|
|
(remembered-answer (gethash library-path lsp-eslint--stored-libraries)))
|
||
|
|
(funcall callback remembered-answer)
|
||
|
|
(lsp-ask-question
|
||
|
|
(format
|
||
|
|
"Allow lsp-mode to execute %s? Note: The latest versions of the ESLint language server no longer create this prompt."
|
||
|
|
library-path)
|
||
|
|
(mapcar 'car option-alist)
|
||
|
|
(lambda (response)
|
||
|
|
(let ((option (cdr (assoc response option-alist))))
|
||
|
|
(when (cdr option)
|
||
|
|
(puthash library-path (car option) lsp-eslint--stored-libraries)
|
||
|
|
(when lsp-eslint-save-library-choices
|
||
|
|
(lsp--persist lsp-eslint-library-choices-file lsp-eslint--stored-libraries)))
|
||
|
|
(funcall callback (car option)))))))
|
||
|
|
|
||
|
|
(defun lsp-eslint--probe-failed (_workspace _message)
|
||
|
|
"Called when the server detects a misconfiguration in ESLint."
|
||
|
|
(lsp--error "ESLint is not configured correctly. Please ensure your eslintrc is set up for the languages you are using."))
|
||
|
|
|
||
|
|
(lsp-register-client
|
||
|
|
(make-lsp-client
|
||
|
|
:new-connection
|
||
|
|
(lsp-stdio-connection
|
||
|
|
(lambda () (lsp-eslint-server-command))
|
||
|
|
(lambda () (lsp-eslint-server-exists? (lsp-eslint-server-command))))
|
||
|
|
:activation-fn (lambda (filename &optional _)
|
||
|
|
(when lsp-eslint-enable
|
||
|
|
(or (string-match-p (rx (one-or-more anything) "."
|
||
|
|
(or "ts" "js" "jsx" "tsx" "html" "vue" "svelte")eos)
|
||
|
|
filename)
|
||
|
|
(and (derived-mode-p 'js-mode 'js2-mode 'typescript-mode 'typescript-ts-mode 'html-mode 'svelte-mode)
|
||
|
|
(not (string-match-p "\\.json\\'" filename))))))
|
||
|
|
:priority -1
|
||
|
|
:completion-in-comments? t
|
||
|
|
:add-on? t
|
||
|
|
:multi-root t
|
||
|
|
:notification-handlers (ht ("eslint/status" #'lsp-eslint-status-handler))
|
||
|
|
:request-handlers (ht ("workspace/configuration" #'lsp-eslint--configuration)
|
||
|
|
("eslint/openDoc" #'lsp-eslint--open-doc)
|
||
|
|
("eslint/probeFailed" #'lsp-eslint--probe-failed))
|
||
|
|
:async-request-handlers (ht ("eslint/confirmESLintExecution" #'lsp-eslint--confirm-local))
|
||
|
|
:server-id 'eslint
|
||
|
|
:initialized-fn (lambda (workspace)
|
||
|
|
(with-lsp-workspace workspace
|
||
|
|
(lsp--server-register-capability
|
||
|
|
(lsp-make-registration
|
||
|
|
:id "random-id"
|
||
|
|
:method "workspace/didChangeWatchedFiles"
|
||
|
|
:register-options? (lsp-make-did-change-watched-files-registration-options
|
||
|
|
:watchers
|
||
|
|
`[,(lsp-make-file-system-watcher
|
||
|
|
:glob-pattern "**/.eslintr{c.js,c.yaml,c.yml,c,c.json}")
|
||
|
|
,(lsp-make-file-system-watcher
|
||
|
|
:glob-pattern "**/.eslintignore")
|
||
|
|
,(lsp-make-file-system-watcher
|
||
|
|
:glob-pattern "**/package.json")])))))
|
||
|
|
:download-server-fn (lambda (_client callback error-callback _update?)
|
||
|
|
(let ((tmp-zip (make-temp-file "ext" nil ".zip")))
|
||
|
|
(delete-file tmp-zip)
|
||
|
|
(lsp-download-install
|
||
|
|
(lambda (&rest _)
|
||
|
|
(condition-case err
|
||
|
|
(progn
|
||
|
|
(lsp-unzip tmp-zip lsp-eslint-unzipped-path)
|
||
|
|
(funcall callback))
|
||
|
|
(error (funcall error-callback err))))
|
||
|
|
error-callback
|
||
|
|
:url lsp-eslint-download-url
|
||
|
|
:store-path tmp-zip)))))
|
||
|
|
|
||
|
|
(lsp-consistency-check lsp-eslint)
|
||
|
|
|
||
|
|
(provide 'lsp-eslint)
|
||
|
|
;;; lsp-eslint.el ends here
|