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d6be4a4b06
This PR implements a linter like the TS Project linter, except for packages in the repo. It does this by extracting the reusable bits from the TS Project linter and reusing them for the project linter. The only rule that exists for packages right now is that the "name" in the package.json file matches the "id" in Kibana.jsonc. The goal is to use a rule to migrate kibana.json files on the future. Additionally, a new rule for validating the indentation of tsconfig.json files was added. Validating and fixing violations is what has triggered review by so many teams, but we plan to treat those review requests as notifications of the changes and not as blockers for merging. Co-authored-by: kibanamachine <42973632+kibanamachine@users.noreply.github.com>
107 lines
2.5 KiB
TypeScript
107 lines
2.5 KiB
TypeScript
/*
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* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
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* or more contributor license agreements. Licensed under the Elastic License
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* 2.0 and the Server Side Public License, v 1; you may not use this file except
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* in compliance with, at your election, the Elastic License 2.0 or the Server
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* Side Public License, v 1.
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*/
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import { TsProjectRule } from '@kbn/repo-linter';
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import { snip } from '@kbn/json-ast';
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const INDENT = ' ';
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class Scanner {
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public pos = 0;
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constructor(public readonly text: string) {}
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scanToClosing(final: string) {
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while (this.cont()) {
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const char = this.text[this.pos++];
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if (char === '\\') {
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this.pos++; // ignore next char
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continue;
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}
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if (char === final) {
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return;
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}
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}
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throw new Error(`expected to find closing "${final}"`);
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}
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collectAll(match: string) {
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let matched = '';
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while (this.cont()) {
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if (this.text[this.pos] === match) {
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matched += match;
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this.pos++;
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} else {
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break;
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}
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}
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return matched;
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}
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cont() {
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return this.pos < this.text.length;
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}
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peek() {
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return this.text[this.pos];
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}
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}
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function getIndentationSnips(text: string) {
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const scanner = new Scanner(text);
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let depth = 0;
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const snips: Array<[from: number, to: number, expected: string]> = [];
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while (scanner.cont()) {
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const char = scanner.text[scanner.pos++];
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if (char === '{' || char === '[') {
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depth += 1;
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continue;
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}
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if (char === '}' || char === ']') {
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depth -= 1;
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continue;
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}
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if (char === '"') {
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scanner.scanToClosing('"');
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continue;
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}
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if (char === '\n') {
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const indent = scanner.collectAll(' ');
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const next = scanner.peek();
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const expected = INDENT.repeat(
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next === '\n' ? 0 : next === '}' || next === ']' ? depth - 1 : depth
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);
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if (indent !== expected) {
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snips.push([scanner.pos - indent.length, scanner.pos, expected]);
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}
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}
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}
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return snips;
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}
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export const tsconfigIndentation = TsProjectRule.create('tsconfigIndentation', {
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check() {
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const content = this.get('tsconfig.json');
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const fixes = getIndentationSnips(content);
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if (fixes.length || !content.endsWith('\n')) {
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this.err('file should use two space indentation', {
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'tsconfig.json': (source) => {
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const fixed = snip(source, getIndentationSnips(source));
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return fixed.endsWith('\n') ? fixed : fixed + '\n';
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},
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});
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}
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},
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});
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