50 lines
1.4 KiB
JavaScript
50 lines
1.4 KiB
JavaScript
const normalizeUrl = (keywords, searchSettings) => {
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try {
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return new URL(keywords).href;
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} catch (e) {
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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 = searchSettings.engines[searchSettings.default];
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let query = keywords;
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let first = keywords.trimStart().split(' ')[0];
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if (Object.keys(searchSettings.engines).includes(first)) {
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template = searchSettings.engines[first];
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query = keywords.trimStart().slice(first.length).trimStart();
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}
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return template.replace('{}', encodeURIComponent(query));
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}
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};
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const mustNumber = (v) => {
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let num = Number(v);
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if (isNaN(num)) {
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throw new Error('Not number: ' + v);
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}
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return num;
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};
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const parseSetOption = (word, types) => {
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let [key, value] = word.split('=');
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if (value === undefined) {
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value = !key.startsWith('no');
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key = value ? key : key.slice(2);
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}
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let type = types[key];
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if (!type) {
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throw new Error('Unknown property: ' + key);
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}
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if (type === 'boolean' && typeof value !== 'boolean' ||
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type !== 'boolean' && typeof value === 'boolean') {
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throw new Error('Invalid argument: ' + word);
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}
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switch (type) {
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case 'string': return [key, value];
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case 'number': return [key, mustNumber(value)];
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case 'boolean': return [key, value];
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}
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};
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export { normalizeUrl, parseSetOption };
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