54 lines
1.2 KiB
JavaScript
54 lines
1.2 KiB
JavaScript
export class Filter {
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match = [];
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negate = [];
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constructor(query) {
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query ??= "";
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query = query.trim();
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// https://stackoverflow.com/a/16261693
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for (let match of (query.match(/(?:[^\s"]+|"[^"]*")+/g) ?? [])) {
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const negate = match[0] === '-';
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if (negate) {
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match = match.slice(1);
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}
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if (match[0] === '"' && match[match.length - 1] === '"') {
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match = match.slice(1, match.length - 1);
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}
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match = match.trim().toLocaleLowerCase();
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if (!match) continue;
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if (negate) {
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this.negate.push(match);
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} else {
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this.match.push(match);
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}
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}
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}
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static fromInput(dataValue) {
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const elem = document.querySelector(`[data-input='${dataValue}']`);
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return new Filter(elem.value);
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}
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test(...data) {
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for (const datum of data) {
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const normalized = datum.trim().toLocaleLowerCase().trim();
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for (const n of this.negate) {
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if (normalized.includes(n)) {
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return false;
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}
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}
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for (const m of this.match) {
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if (normalized.includes(m)) {
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return true;
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}
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}
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}
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return this.match.length === 0;
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}
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}
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