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