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refactor: migrate to TypeScript (#150)
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* refactor: migrate to TypeScript

* test: add mocharc

* fix: use match

* chore: remove prettier

* fix: to use uri
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@azu
azu authored Oct 29, 2022
1 parent ef0d837 commit a923fce
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Showing 7 changed files with 363 additions and 62 deletions.
5 changes: 1 addition & 4 deletions .mocharc.json
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Original file line number Diff line number Diff line change
@@ -1,6 +1,3 @@
{
"require": [
"textlint-scripts/register"
],
"timeout": "20000"
"timeout": 20000
}
5 changes: 0 additions & 5 deletions .prettierrc
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This file was deleted.

39 changes: 26 additions & 13 deletions package.json
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Original file line number Diff line number Diff line change
Expand Up @@ -13,24 +13,32 @@
"repository": "textlint-rule/textlint-rule-no-dead-link",
"license": "MIT",
"author": "nodaguti",
"main": "lib/no-dead-link.js",
"types": "lib/no-dead-link.d.ts",
"files": [
"lib",
"src"
],
"main": "lib/no-dead-link.js",
"scripts": {
"build": "textlint-scripts build",
"prepublish": "yarn run --if-present build",
"test": "textlint-scripts test",
"watch": "textlint-scripts build --watch",
"format": "prettier --write \"**/*.{js,jsx,ts,tsx,css}\"",
"prepare": "git config --local core.hooksPath .githooks"
"prepare": "git config --local core.hooksPath .githooks",
"prepublish": "yarn run --if-present build",
"test": "npm run type-check && textlint-scripts test",
"type-check": "tsc --noEmit",
"watch": "textlint-scripts build --watch"
},
"lint-staged": {
"*.{js,jsx,ts,tsx,css}": [
"prettier --write"
]
},
"prettier": {
"printWidth": 120,
"singleQuote": false,
"tabWidth": 4,
"trailingComma": "none"
},
"dependencies": {
"fs-extra": "^8.1.0",
"get-url-origin": "^1.0.1",
Expand All @@ -41,20 +49,25 @@
"textlint-rule-helper": "^2.2.2"
},
"devDependencies": {
"@textlint/ast-node-types": "^12.2.2",
"@textlint/types": "^12.2.2",
"@types/minimatch": "^5.1.2",
"@types/mocha": "^10.0.0",
"@types/node": "^18.11.7",
"@types/node-fetch": "^2.6.2",
"cross-env": "^7.0.3",
"lint-staged": "^13.0.3",
"mocha": "^10.1.0",
"prettier": "^2.7.1",
"textlint": "^12.2.2",
"textlint-scripts": "^12.2.2",
"textlint-tester": "^12.2.2"
"textlint-tester": "^12.2.2",
"ts-node": "^10.9.1",
"ts-node-test-register": "^10.0.0",
"typescript": "^4.8.4"
},
"packageManager": "[email protected]",
"engines": {
"node": ">=4"
},
"packageManager": "[email protected]",
"prettier": {
"singleQuote": false,
"printWidth": 120,
"tabWidth": 4,
"trailingComma": "none"
}
}
117 changes: 82 additions & 35 deletions src/no-dead-link.js → src/no-dead-link.ts
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Original file line number Diff line number Diff line change
@@ -1,19 +1,36 @@
import { RuleHelper } from "textlint-rule-helper";
import fetch from "node-fetch";
import fetch, { RequestInit } from "node-fetch";
import URL from "url";
import fs from "fs-extra";
import fs from "fs/promises";
import minimatch from "minimatch";
import { isAbsolute } from "path";
import { getURLOrigin } from "get-url-origin";
import pMemoize from "p-memoize";
import PQueue from "p-queue";
import * as http from "http";
import * as https from "https";

const DEFAULT_OPTIONS = {
import { TextlintRuleReporter } from "@textlint/types";
import { TxtNode } from "@textlint/ast-node-types";

export type Options = {
checkRelative: boolean; // {boolean} `false` disables the checks for relative URIs.
baseURI: null | string; // {String|null} a base URI to resolve relative URIs.
ignore: string[]; // {Array<String>} URIs to be skipped from availability checks.
ignoreRedirects: boolean; // {boolean} `false` ignores redirect status codes.
preferGET: string[]; // {Array<String>} origins to prefer GET over HEAD.
retry: number; // {number} Max retry count
concurrency: number; // {number} Concurrency count of linting link [Experimental]
interval: number; // The length of time in milliseconds before the interval count resets. Must be finite. [Experimental]
intervalCap: number; // The max number of runs in the given interval of time. [Experimental]
keepAlive: boolean; // {boolean} if it is true, use keepAlive for checking request [Experimental]
userAgent: string; // {String} a UserAgent,
maxRetryTime: number; // (number) The max of waiting seconds for retry, if response returns `After-Retry` header.
};
const DEFAULT_OPTIONS: Options = {
checkRelative: true, // {boolean} `false` disables the checks for relative URIs.
baseURI: null, // {String|null} a base URI to resolve relative URIs.
ignore: [], // {Array<String>} URIs to be skipped from availability checks.
ignoreRedirects: false, // {boolean} `false` ignores redirect status codes.
preferGET: [], // {Array<String>} origins to prefer GET over HEAD.
retry: 3, // {number} Max retry count
concurrency: 8, // {number} Concurrency count of linting link [Experimental]
Expand All @@ -33,7 +50,7 @@ const URI_REGEXP =
* @param {string} uri
* @return {boolean}
*/
function isHttp(uri) {
function isHttp(uri: string) {
const { protocol } = URL.parse(uri);
return protocol === "http:" || protocol === "https:";
}
Expand All @@ -44,7 +61,7 @@ function isHttp(uri) {
* @return {boolean}
* @see https://github.com/panosoft/is-local-path
*/
function isRelative(uri) {
function isRelative(uri: string) {
const { host } = URL.parse(uri);
return host === null || host === "";
}
Expand All @@ -55,7 +72,7 @@ function isRelative(uri) {
* @return {boolean}
* @see https://nodejs.org/api/path.html#path_path_isabsolute_path
*/
function isLocal(uri) {
function isLocal(uri: string) {
if (isAbsolute(uri)) {
return true;
}
Expand All @@ -68,11 +85,11 @@ function isLocal(uri) {
* @param {number} code
* @returns {boolean}
*/
function isRedirect(code) {
function isRedirect(code: number) {
return code === 301 || code === 302 || code === 303 || code === 307 || code === 308;
}

function isIgnored(uri, ignore = []) {
function isIgnored(uri: string, ignore: string[] = []) {
return ignore.some((pattern) => minimatch(uri, pattern));
}

Expand All @@ -81,7 +98,7 @@ function isIgnored(uri, ignore = []) {
* @param ms
* @returns {Promise<any>}
*/
function waitTimeMs(ms) {
function waitTimeMs(ms: number) {
return new Promise((resolve) => {
setTimeout(resolve, ms);
});
Expand All @@ -92,24 +109,24 @@ const keepAliveAgents = {
https: new https.Agent({ keepAlive: true })
};

const createFetchWithRuleDefaults = (ruleOptions) => {
const createFetchWithRuleDefaults = (ruleOptions: Options) => {
/**
* Use library agent, avoid to use global.http(s)Agent
* Want to avoid Socket hang up
* @param parsedURL
* @returns {module:http.Agent|null|module:https.Agent}
*/
const getAgent = (parsedURL) => {
const getAgent = (parsedURL: URL) => {
if (!ruleOptions.keepAlive) {
return null;
return;
}
if (parsedURL.protocol === "http:") {
return keepAliveAgents.http;
}
return keepAliveAgents.https;
};

return (uri, fetchOptions) => {
return (uri: string, fetchOptions: RequestInit) => {
const { host } = URL.parse(uri);
return fetch(uri, {
...fetchOptions,
Expand All @@ -123,21 +140,34 @@ const createFetchWithRuleDefaults = (ruleOptions) => {
headers: {
"User-Agent": ruleOptions.userAgent,
Accept: "*/*",
// Same host for target url
// https://github.com/textlint-rule/textlint-rule-no-dead-link/issues/111
Host: host
// avoid assign null to Host
...(host
? {
// Same host for target url
// https://github.com/textlint-rule/textlint-rule-no-dead-link/issues/111
Host: host
}
: {})
},
// custom http(s).agent
agent: getAgent
});
};
};

type AliveFunctionReturn = {
ok: boolean;
message: string;
redirected?: boolean;
redirectTo?: string | null;
};

/**
* Create isAliveURI function with ruleOptions
* @param {object} ruleOptions
* @returns {isAliveURI}
*/
const createCheckAliveURL = (ruleOptions) => {
const createCheckAliveURL = (ruleOptions: Options) => {
// Create fetch function for this rule
const fetchWithDefaults = createFetchWithRuleDefaults(ruleOptions);
/**
Expand All @@ -155,8 +185,13 @@ const createCheckAliveURL = (ruleOptions) => {
* @param {number} currentRetryCount
* @return {{ ok: boolean, redirect?: string, message: string }}
*/
return async function isAliveURI(uri, method = "HEAD", maxRetryCount = 3, currentRetryCount = 0) {
const opts = {
return async function isAliveURI(
uri: string,
method: string = "HEAD",
maxRetryCount: number = 3,
currentRetryCount: number = 0
): Promise<AliveFunctionReturn> {
const opts: RequestInit = {
method,
// Use `manual` redirect behaviour to get HTTP redirect status code
// and see what kind of redirect is occurring
Expand All @@ -167,6 +202,15 @@ const createCheckAliveURL = (ruleOptions) => {
// redirected
if (isRedirect(res.status)) {
const redirectedUrl = res.headers.get("Location");
// Status code is 301 or 302, but Location header is not set
if (redirectedUrl === null) {
return {
ok: false,
redirected: true,
redirectTo: null,
message: `${res.status} ${res.statusText}`
};
}
const finalRes = await fetchWithDefaults(redirectedUrl, { ...opts, redirect: "follow" });
const { hash } = URL.parse(uri);
return {
Expand All @@ -186,7 +230,8 @@ const createCheckAliveURL = (ruleOptions) => {
const retrySeconds = res.headers.get("Retry-After");
// If the response has `Retry-After` header, prefer it
// else exponential retry: 0ms -> 100ms -> 200ms -> 400ms -> 800ms ...
const retryWaitTimeMs = retrySeconds !== null ? retrySeconds * 1000 : currentRetryCount ** 2 * 100;
const retryWaitTimeMs =
retrySeconds !== null ? Number(retrySeconds) * 1000 : currentRetryCount ** 2 * 100;
const maxRetryTimeMs = ruleOptions.maxRetryTime * 1000;
if (retryWaitTimeMs <= maxRetryTimeMs) {
await waitTimeMs(retryWaitTimeMs);
Expand All @@ -198,7 +243,7 @@ const createCheckAliveURL = (ruleOptions) => {
ok: res.ok,
message: `${res.status} ${res.statusText}`
};
} catch (ex) {
} catch (ex: any) {
// Retry with `GET` method if the request failed
// as some servers don't accept `HEAD` requests but are OK with `GET` requests.
// https://github.com/textlint-rule/textlint-rule-no-dead-link/pull/86
Expand All @@ -217,22 +262,22 @@ const createCheckAliveURL = (ruleOptions) => {
/**
* Check if a given file exists
*/
async function isAliveLocalFile(filePath) {
async function isAliveLocalFile(filePath: string): Promise<AliveFunctionReturn> {
try {
await fs.access(filePath.replace(/[?#].*?$/, ""));

return {
ok: true
ok: true,
message: "OK"
};
} catch (ex) {
} catch (ex: any) {
return {
ok: false,
message: ex.message
};
}
}

function reporter(context, options = {}) {
const reporter: TextlintRuleReporter<Options> = (context, options) => {
const { Syntax, getSource, report, RuleError, fixer, getFilePath } = context;
const helper = new RuleHelper(context);
const ruleOptions = { ...DEFAULT_OPTIONS, ...options };
Expand All @@ -248,7 +293,7 @@ function reporter(context, options = {}) {
* @param {number} index column number the URI is located at.
* @param {number} maxRetryCount retry count of linting
*/
const lint = async ({ node, uri, index }, maxRetryCount) => {
const lint = async ({ node, uri, index }: { node: TxtNode; uri: string; index: number }, maxRetryCount: number) => {
if (isIgnored(uri, ruleOptions.ignore)) {
return;
}
Expand Down Expand Up @@ -296,16 +341,15 @@ function reporter(context, options = {}) {
report(node, new RuleError(lintMessage, { index }));
} else if (redirected) {
const lintMessage = `${uri} is redirected to ${redirectTo}. (${message})`;
const fix = fixer.replaceTextRange([index, index + uri.length], redirectTo);
const fix = redirectTo ? fixer.replaceTextRange([index, index + uri.length], redirectTo) : undefined;
report(node, new RuleError(lintMessage, { fix, index }));
}
};

/**
* URIs to be checked.
* @type {Array<{ node: TextLintNode, uri: string, index: number }>}
*/
const URIs = [];
const URIs: { node: TxtNode; uri: string; index: number }[] = [];

return {
[Syntax.Str](node) {
Expand All @@ -322,8 +366,12 @@ function reporter(context, options = {}) {

// Use `String#replace` instead of `RegExp#exec` to allow us
// perform RegExp matches in an iterate and immutable manner
text.replace(URI_REGEXP, (uri, index) => {
URIs.push({ node, uri, index });
const matches = text.matchAll(URI_REGEXP);
Array.from(matches).forEach((match) => {
const url = match[0];
if (url && match.input !== undefined && match.index !== undefined) {
URIs.push({ node, uri: url, index: match.index });
}
});
},

Expand Down Expand Up @@ -378,8 +426,7 @@ function reporter(context, options = {}) {
return queue.addAll(linkTasks);
}
};
}

};
export default {
linter: reporter,
fixer: reporter
Expand Down
2 changes: 1 addition & 1 deletion test/no-dead-link.js → test/no-dead-link.ts
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Original file line number Diff line number Diff line change
@@ -1,11 +1,11 @@
/* eslint-disable max-len */
import TextlintTester from "textlint-tester";
import fs from "fs";
import path from "path";
import rule from "../src/no-dead-link";

const tester = new TextlintTester();

// @ts-expect-error
tester.run("no-dead-link", rule, {
valid: [
"should ignore non-http url [email address](mailto:mail.example.com) by default",
Expand Down
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