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import fs from "fs";
import path from "path";
import { isAscii } from "buffer";
export function fmtCPPString(str: string) {
return (
'"' +
str
.replace(/\\/g, "\\\\")
.replace(/"/g, '\\"')
.replace(/\n/g, "\\n")
.replace(/\r/g, "\\r")
.replace(/\t/g, "\\t")
.replace(/\?/g, "\\?") + // https://stackoverflow.com/questions/1234582
'"'
);
}
export function cap(str: string) {
return str[0].toUpperCase() + str.slice(1);
}
export function low(str: string) {
if (str.startsWith("JS")) {
return "js" + str.slice(2);
}
return str[0].toLowerCase() + str.slice(1);
}
export function readdirRecursive(root: string): string[] {
const files = fs.readdirSync(root, { withFileTypes: true });
return files.flatMap(file => {
const fullPath = path.join(root, file.name);
return file.isDirectory() ? readdirRecursive(fullPath) : fullPath;
});
}
export function resolveSyncOrNull(specifier: string, from: string) {
try {
return Bun.resolveSync(specifier, from);
} catch {
return null;
}
}
export function checkAscii(str: string) {
if (!isAscii(Buffer.from(str))) {
throw new Error(`non-ascii character in string "${str}". this will not be a valid ASCIILiteral`);
}
return str;
}
export function writeIfNotChanged(file: string, contents: string) {
if (fs.existsSync(file)) {
const oldContents = fs.readFileSync(file, "utf8");
if (oldContents === contents) {
return;
}
}
fs.writeFileSync(file, contents);
}
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