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/**
* A set of common path utilities commonly used through the Astro core and integration
* projects. These do things like ensure a forward slash prepends paths.
*/
export function appendExtension(path: string, extension: string) {
return path + '.' + extension;
}
export function appendForwardSlash(path: string) {
return path.endsWith('/') ? path : path + '/';
}
export function prependForwardSlash(path: string) {
return path[0] === '/' ? path : '/' + path;
}
export function removeTrailingForwardSlash(path: string) {
return path.endsWith('/') ? path.slice(0, path.length - 1) : path;
}
export function removeLeadingForwardSlash(path: string) {
return path.startsWith('/') ? path.substring(1) : path;
}
export function removeLeadingForwardSlashWindows(path: string) {
return path.startsWith('/') && path[2] === ':' ? path.substring(1) : path;
}
export function trimSlashes(path: string) {
return path.replace(/^\/|\/$/g, '');
}
export function startsWithForwardSlash(path: string) {
return path[0] === '/';
}
export function startsWithDotDotSlash(path: string) {
const c1 = path[0];
const c2 = path[1];
const c3 = path[2];
return c1 === '.' && c2 === '.' && c3 === '/';
}
export function startsWithDotSlash(path: string) {
const c1 = path[0];
const c2 = path[1];
return c1 === '.' && c2 === '/';
}
export function isRelativePath(path: string) {
return startsWithDotDotSlash(path) || startsWithDotSlash(path);
}
function isString(path: unknown): path is string {
return typeof path === 'string' || path instanceof String;
}
export function joinPaths(...paths: (string | undefined)[]) {
return paths
.filter(isString)
.map((path, i) => {
if (i === 0) {
return removeTrailingForwardSlash(path);
} else if (i === paths.length - 1) {
return removeLeadingForwardSlash(path);
} else {
return trimSlashes(path);
}
})
.join('/');
}
export function removeFileExtension(path: string) {
let idx = path.lastIndexOf('.');
return idx === -1 ? path : path.slice(0, idx);
}
export function removeQueryString(path: string) {
const index = path.lastIndexOf('?');
return index > 0 ? path.substring(0, index) : path;
}
export function isRemotePath(src: string) {
return /^(http|ftp|https|ws):?\/\//.test(src) || src.startsWith('data:');
}
export function slash(path: string) {
return path.replace(/\\/g, '/');
}
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