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