mirror of
https://github.com/joelwmale/webhook-action.git
synced 2024-11-25 08:56:57 +01:00
302 lines
11 KiB
JavaScript
302 lines
11 KiB
JavaScript
/**
|
|
* @file Runs `prettier` as an ESLint rule.
|
|
* @author Andres Suarez
|
|
*/
|
|
|
|
'use strict';
|
|
|
|
// ------------------------------------------------------------------------------
|
|
// Requirements
|
|
// ------------------------------------------------------------------------------
|
|
|
|
const {
|
|
showInvisibles,
|
|
generateDifferences,
|
|
} = require('prettier-linter-helpers');
|
|
|
|
// ------------------------------------------------------------------------------
|
|
// Constants
|
|
// ------------------------------------------------------------------------------
|
|
|
|
const { INSERT, DELETE, REPLACE } = generateDifferences;
|
|
|
|
// ------------------------------------------------------------------------------
|
|
// Privates
|
|
// ------------------------------------------------------------------------------
|
|
|
|
// Lazily-loaded Prettier.
|
|
/**
|
|
* @type {import('prettier')}
|
|
*/
|
|
let prettier;
|
|
|
|
// ------------------------------------------------------------------------------
|
|
// Rule Definition
|
|
// ------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Reports a difference.
|
|
*
|
|
* @param {import('eslint').Rule.RuleContext} context - The ESLint rule context.
|
|
* @param {import('prettier-linter-helpers').Difference} difference - The difference object.
|
|
* @returns {void}
|
|
*/
|
|
function reportDifference(context, difference) {
|
|
const { operation, offset, deleteText = '', insertText = '' } = difference;
|
|
const range = [offset, offset + deleteText.length];
|
|
const [start, end] = range.map(index =>
|
|
context.getSourceCode().getLocFromIndex(index),
|
|
);
|
|
|
|
context.report({
|
|
messageId: operation,
|
|
data: {
|
|
deleteText: showInvisibles(deleteText),
|
|
insertText: showInvisibles(insertText),
|
|
},
|
|
loc: { start, end },
|
|
fix: fixer => fixer.replaceTextRange(range, insertText),
|
|
});
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------
|
|
// Module Definition
|
|
// ------------------------------------------------------------------------------
|
|
|
|
module.exports = {
|
|
configs: {
|
|
recommended: {
|
|
extends: ['prettier'],
|
|
plugins: ['prettier'],
|
|
rules: {
|
|
'prettier/prettier': 'error',
|
|
'arrow-body-style': 'off',
|
|
'prefer-arrow-callback': 'off',
|
|
},
|
|
},
|
|
},
|
|
rules: {
|
|
prettier: {
|
|
meta: {
|
|
docs: {
|
|
url: 'https://github.com/prettier/eslint-plugin-prettier#options',
|
|
},
|
|
type: 'layout',
|
|
fixable: 'code',
|
|
schema: [
|
|
// Prettier options:
|
|
{
|
|
type: 'object',
|
|
properties: {},
|
|
additionalProperties: true,
|
|
},
|
|
{
|
|
type: 'object',
|
|
properties: {
|
|
usePrettierrc: { type: 'boolean' },
|
|
fileInfoOptions: {
|
|
type: 'object',
|
|
properties: {},
|
|
additionalProperties: true,
|
|
},
|
|
},
|
|
additionalProperties: true,
|
|
},
|
|
],
|
|
messages: {
|
|
[INSERT]: 'Insert `{{ insertText }}`',
|
|
[DELETE]: 'Delete `{{ deleteText }}`',
|
|
[REPLACE]: 'Replace `{{ deleteText }}` with `{{ insertText }}`',
|
|
},
|
|
},
|
|
create(context) {
|
|
const usePrettierrc =
|
|
!context.options[1] || context.options[1].usePrettierrc !== false;
|
|
const eslintFileInfoOptions =
|
|
(context.options[1] && context.options[1].fileInfoOptions) || {};
|
|
const sourceCode = context.getSourceCode();
|
|
const filepath = context.getFilename();
|
|
// Processors that extract content from a file, such as the markdown
|
|
// plugin extracting fenced code blocks may choose to specify virtual
|
|
// file paths. If this is the case then we need to resolve prettier
|
|
// config and file info using the on-disk path instead of the virtual
|
|
// path.
|
|
const onDiskFilepath = context.getPhysicalFilename();
|
|
const source = sourceCode.text;
|
|
|
|
return {
|
|
// eslint-disable-next-line sonarjs/cognitive-complexity
|
|
Program() {
|
|
if (!prettier) {
|
|
// Prettier is expensive to load, so only load it if needed.
|
|
prettier = require('prettier');
|
|
}
|
|
|
|
const eslintPrettierOptions = context.options[0] || {};
|
|
|
|
const prettierRcOptions = usePrettierrc
|
|
? prettier.resolveConfig.sync(onDiskFilepath, {
|
|
editorconfig: true,
|
|
})
|
|
: null;
|
|
|
|
const { ignored, inferredParser } = prettier.getFileInfo.sync(
|
|
onDiskFilepath,
|
|
{
|
|
resolveConfig: false,
|
|
withNodeModules: false,
|
|
ignorePath: '.prettierignore',
|
|
plugins: prettierRcOptions ? prettierRcOptions.plugins : null,
|
|
...eslintFileInfoOptions,
|
|
},
|
|
);
|
|
|
|
// Skip if file is ignored using a .prettierignore file
|
|
if (ignored) {
|
|
return;
|
|
}
|
|
|
|
const initialOptions = {};
|
|
|
|
// ESLint supports processors that let you extract and lint JS
|
|
// fragments within a non-JS language. In the cases where prettier
|
|
// supports the same language as a processor, we want to process
|
|
// the provided source code as javascript (as ESLint provides the
|
|
// rules with fragments of JS) instead of guessing the parser
|
|
// based off the filename. Otherwise, for instance, on a .md file we
|
|
// end up trying to run prettier over a fragment of JS using the
|
|
// markdown parser, which throws an error.
|
|
// Processors may set virtual filenames for these extracted blocks.
|
|
// If they do so then we want to trust the file extension they
|
|
// provide, and no override is needed.
|
|
// If the processor does not set any virtual filename (signified by
|
|
// `filepath` and `onDiskFilepath` being equal) AND we can't
|
|
// infer the parser from the filename, either because no filename
|
|
// was provided or because there is no parser found for the
|
|
// filename, use javascript.
|
|
// This is added to the options first, so that
|
|
// prettierRcOptions and eslintPrettierOptions can still override
|
|
// the parser.
|
|
//
|
|
// `parserBlocklist` should contain the list of prettier parser
|
|
// names for file types where:
|
|
// * Prettier supports parsing the file type
|
|
// * There is an ESLint processor that extracts JavaScript snippets
|
|
// from the file type.
|
|
if (filepath === onDiskFilepath) {
|
|
// The following list means the plugin process source into js content
|
|
// but with same filename, so we need to change the parser to `babel`
|
|
// by default.
|
|
// Related ESLint plugins are:
|
|
// 1. `eslint-plugin-graphql` (replacement: `@graphql-eslint/eslint-plugin`)
|
|
// 2. `eslint-plugin-html`
|
|
// 3. `eslint-plugin-markdown@1` (replacement: `eslint-plugin-markdown@2+`)
|
|
// 4. `eslint-plugin-svelte3` (replacement: `eslint-plugin-svelte@2+`)
|
|
const parserBlocklist = [null, 'markdown', 'html'];
|
|
|
|
let inferParserToBabel = parserBlocklist.includes(inferredParser);
|
|
|
|
switch (inferredParser) {
|
|
// it could be processed by `@graphql-eslint/eslint-plugin` or `eslint-plugin-graphql`
|
|
case 'graphql': {
|
|
if (
|
|
// for `eslint-plugin-graphql`, see https://github.com/apollographql/eslint-plugin-graphql/blob/master/src/index.js#L416
|
|
source.startsWith('ESLintPluginGraphQLFile`')
|
|
) {
|
|
inferParserToBabel = true;
|
|
}
|
|
break;
|
|
}
|
|
// it could be processed by `@ota-meshi/eslint-plugin-svelte`, `eslint-plugin-svelte` or `eslint-plugin-svelte3`
|
|
case 'svelte': {
|
|
// The `source` would be modified by `eslint-plugin-svelte3`
|
|
if (!context.parserPath.includes('svelte-eslint-parser')) {
|
|
// We do not support `eslint-plugin-svelte3`,
|
|
// the users should run `prettier` on `.svelte` files manually
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (inferParserToBabel) {
|
|
initialOptions.parser = 'babel';
|
|
}
|
|
} else {
|
|
// Similar to https://github.com/prettier/stylelint-prettier/pull/22
|
|
// In all of the following cases ESLint extracts a part of a file to
|
|
// be formatted and there exists a prettier parser for the whole file.
|
|
// If you're interested in prettier you'll want a fully formatted file so
|
|
// you're about to run prettier over the whole file anyway.
|
|
// Therefore running prettier over just the style section is wasteful, so
|
|
// skip it.
|
|
const parserBlocklist = [
|
|
'babel',
|
|
'babylon',
|
|
'flow',
|
|
'typescript',
|
|
'vue',
|
|
'markdown',
|
|
'html',
|
|
'mdx',
|
|
'angular',
|
|
'svelte',
|
|
];
|
|
if (parserBlocklist.includes(inferredParser)) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
const prettierOptions = {
|
|
...initialOptions,
|
|
...prettierRcOptions,
|
|
...eslintPrettierOptions,
|
|
filepath,
|
|
};
|
|
|
|
// prettier.format() may throw a SyntaxError if it cannot parse the
|
|
// source code it is given. Usually for JS files this isn't a
|
|
// problem as ESLint will report invalid syntax before trying to
|
|
// pass it to the prettier plugin. However this might be a problem
|
|
// for non-JS languages that are handled by a plugin. Notably Vue
|
|
// files throw an error if they contain unclosed elements, such as
|
|
// `<template><div></template>. In this case report an error at the
|
|
// point at which parsing failed.
|
|
let prettierSource;
|
|
try {
|
|
prettierSource = prettier.format(source, prettierOptions);
|
|
} catch (err) {
|
|
if (!(err instanceof SyntaxError)) {
|
|
throw err;
|
|
}
|
|
|
|
let message = 'Parsing error: ' + err.message;
|
|
|
|
// Prettier's message contains a codeframe style preview of the
|
|
// invalid code and the line/column at which the error occurred.
|
|
// ESLint shows those pieces of information elsewhere already so
|
|
// remove them from the message
|
|
if (err.codeFrame) {
|
|
message = message.replace(`\n${err.codeFrame}`, '');
|
|
}
|
|
if (err.loc) {
|
|
message = message.replace(/ \(\d+:\d+\)$/, '');
|
|
}
|
|
|
|
context.report({ message, loc: err.loc });
|
|
|
|
return;
|
|
}
|
|
|
|
if (source !== prettierSource) {
|
|
const differences = generateDifferences(source, prettierSource);
|
|
|
|
for (const difference of differences) {
|
|
reportDifference(context, difference);
|
|
}
|
|
}
|
|
},
|
|
};
|
|
},
|
|
},
|
|
},
|
|
};
|