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owl/tests/doc_link_checker.test.ts
T
Géry Debongnie 4bc49e7241 [DOC] add a roadmap
closes #347
2019-10-17 22:36:44 +02:00

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/**
* Doc Link Checker
*
* We define here a test to make sure that there are no dead link in the Owl
* documentation.
*/
import * as fs from "fs";
const LINK_REGEXP = /\[([^\[]+)\]\(([^\)]+)\)/g;
const HEADING_REGEXP = /\n(#+\s*)(.*)/g;
// files to be checked
function getFiles(): string[] {
const DOCFILES = fs.readdirSync("doc").map(f => `doc/${f}`);
const MAINREADME = "README.md";
DOCFILES.push('roadmap.md', MAINREADME)
return DOCFILES;
}
test("All markdown links work", () => {
let linkNumber = 0;
let invalidLinkNumber = 0;
const files = getFiles();
const data = readDocData(files);
for (let file of data) {
for (let link of file.links) {
// DEBUG: uncomment next line
// console.warn(`Checking "${link.name}" in "${file.name}"`);
linkNumber++;
if (!isLinkValid(link, file, data)) {
console.warn(`Invalid Link: "${link.name}" in "${file.name}"`);
invalidLinkNumber++;
}
}
}
expect(invalidLinkNumber).toBe(0);
expect(linkNumber).toBeGreaterThan(10);
});
interface MarkDownLink {
name: string;
link: string;
}
interface MarkDownSection {
name: string;
slug: string;
}
interface FileData {
name: string;
links: MarkDownLink[];
sections: MarkDownSection[];
}
function isLinkValid(link: MarkDownLink, current: FileData, files: FileData[]): boolean {
const parts = link.link.split("#");
const currentParts = current.name.split("/");
const path = currentParts.length > 1 ? currentParts[0] + "/" : "";
const fullName = path + parts[0];
if (parts.length === 1) {
// no # in url
if (parts[0].endsWith(".md")) {
// it is a local md file
if (!files.find(f => f.name === fullName)) {
return false;
}
}
} else {
const file = parts[0] === "" ? current : files.find(f => f.name === fullName);
if (!file) {
return false;
}
if (!file.sections.find(s => s.slug === parts[1])) {
return false;
}
}
return true;
}
// adapted from https://medium.com/@mhagemann/the-ultimate-way-to-slugify-a-url-string-in-javascript-b8e4a0d849e1
function slugify(str) {
const a = "àáäâãåăæçèéëêǵḧìíïîḿńǹñòóöôœøṕŕßśșțùúüûǘẃẍÿź·_,:;";
const b = "aaaaaaaaceeeeghiiiimnnnooooooprssstuuuuuwxyz-----";
const p = new RegExp(a.split("").join("|"), "g");
return str
.toString()
.toLowerCase()
.replace(/\//g, "") // remove /
.replace(/\s+/g, "-") // Replace spaces with -
.replace(p, c => b.charAt(a.indexOf(c))) // Replace special characters
.replace(/&/g, "-and-") // Replace & with and
.replace(/[^\w\-]+/g, "") // Remove all non-word characters
.replace(/\-\-+/g, "-") // Replace multiple - with single -
.replace(/^-+/, "") // Trim - from start of text
.replace(/-+$/, ""); // Trim - from end of text
}
function readDocData(files: string[]): FileData[] {
const result: FileData[] = [];
for (let file of files) {
const fileData: FileData = {
name: file,
links: [],
sections: []
};
const content = fs.readFileSync(file, { encoding: "utf8" });
let m;
// get links info
do {
m = LINK_REGEXP.exec(content);
if (m) {
fileData.links.push({ name: m[0], link: m[2] });
}
} while (m);
// get sections info
do {
m = HEADING_REGEXP.exec(content);
if (m) {
fileData.sections.push({ name: m[0], slug: slugify(m[2]) });
}
} while (m);
result.push(fileData);
}
return result;
}