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const trimStart = (str) => {
// NOTE String.trimStart is available on Firefox 61
return str.replace(/^\s+/, '');
};
const SUPPORTED_PROTOCOLS = ['http:', 'https:', 'ftp:', 'mailto:', 'about:'];
const searchUrl = (keywords, searchSettings) => {
try {
let u = new URL(keywords);
if (SUPPORTED_PROTOCOLS.includes(u.protocol.toLowerCase())) {
return u.href;
}
} catch (e) {
// fallthrough
}
if (keywords.includes('.') && !keywords.includes(' ')) {
return 'http://' + keywords;
}
let template = searchSettings.engines[searchSettings.default];
let query = keywords;
let first = trimStart(keywords).split(' ')[0];
if (Object.keys(searchSettings.engines).includes(first)) {
template = searchSettings.engines[first];
query = trimStart(trimStart(keywords).slice(first.length));
}
return template.replace('{}', encodeURIComponent(query));
};
const normalizeUrl = (url) => {
try {
let u = new URL(url);
if (SUPPORTED_PROTOCOLS.includes(u.protocol.toLowerCase())) {
return u.href;
}
} catch (e) {
// fallthrough
}
return 'http://' + url;
};
export { searchUrl, normalizeUrl };