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Re-organise cli.ts into functions and sub-commands

Browse source 
Add the necessary boilerplate for cli.ts to provide more than one
command, with the resource gathering step split out from the build
step in order for it to be re-usable.
This commit is contained in:
Hornwitser 2025-02-01 16:25:45 +01:00
parent 1efd21a4a0
commit f708088ef7
2 changed files with 62 additions and 17 deletions
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71
cli.ts
View file

@ -19,22 +19,67 @@ function pageToHtml(page: Page) {
)
}
const outDir = "build/web";
if (!fs.existsSync(outDir)) {
fs.mkdirSync(outDir);
function assembleResources() {
const webDir = "public";
const resources = new Map<string, string | Page>();
for (const entry of fs.readdirSync(webDir, { recursive: true, withFileTypes: true })) {
if (!entry.isFile())
continue;
const parentPath = entry.parentPath.replace(/\\/g, "/");
const ref = `${parentPath.slice(webDir.length)}/${entry.name}`;
resources.set(ref, `${parentPath}/${entry.name}`);
}
for (const page of pages) {
if (resources.has(page.ref)) {
const existing = resources.get(page.ref)!;
const other = typeof existing === "string" ? "a static resource" : `"${existing.title}"`;
throw new Error(`ref "${page.ref}" is taken up by both "${page.title}" and ${other}`)
}
resources.set(page.ref, page);
}
return resources;
}
for (const page of pages) {
const dirSep = page.ref.indexOf("/", 1);
if (dirSep !== -1) {
const dir = `${outDir}/${page.ref.slice(0, dirSep)}`;
if (!fs.existsSync(dir)) {
fs.mkdirSync(dir);
function build() {
const outDir = "build/web";
const dirsCreated = new Set<string>()
for (const [ref, resource] of assembleResources()) {
const refDir = `${outDir}${posix.dirname(ref)}`;
if (!dirsCreated.has(refDir)) {
fs.mkdirSync(refDir, { recursive: true });
}
console.log(`writing ${outDir}${ref}`);
let content;
if (typeof resource === "string") {
content = fs.readFileSync(resource);
} else {
content = pageToHtml(resource);
}
fs.writeFileSync(`${outDir}${ref}`, content);
}
console.log(`writing ${outDir}${page.ref}`);
fs.writeFileSync(`${outDir}${page.ref}`, pageToHtml(page));
}
console.log(`writing ${outDir}/style.css`);
fs.writeFileSync(`${outDir}/style.css`, fs.readFileSync("public/style.css"));
function printUsage() {
console.log("Usage: cli.js <cmd>");
console.log(" build - Copy resources and generated pages to build directory.");
}
function main(runtime: string, script: string, args: string[]) {
if (!args.length) {
printUsage();
process.exitCode = 1;
return;
}
const [command, ...commandArgs] = args;
if (command === "build") {
build();
} else {
console.log(`Error: Unkown sub-command ${command}`);
printUsage();
process.exitCode = 1;
}
}
const [runtime, script, ...args] = process.argv;
main(runtime, script, args)

2
package.json
View file

@ -6,7 +6,7 @@
"main": "build/node/index.js",
"scripts": {
"prepare": "tsc",
"build": "node --enable-source-maps build/node/cli.js",
"build": "node --enable-source-maps build/node/cli.js build",
"test": "node --test --enable-source-maps --experimental-test-coverage"
},
"dependencies": {