42 lines
785 B
JavaScript
42 lines
785 B
JavaScript
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"use strict";
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/**
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* Parse a HTTP token list.
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*
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* @param {string} str
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* @returns {string[]} tokens
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*/
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function parseTokenList(str) {
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let end = 0;
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let start = 0;
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const list = [];
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// gather tokens
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for (let i = 0, len = str.length; i < len; i++) {
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switch (str.charCodeAt(i)) {
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case 0x20 /* */:
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if (start === end) {
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end = i + 1;
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start = end;
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}
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break;
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case 0x2c /* , */:
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if (start !== end) {
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list.push(str.substring(start, end));
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}
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end = i + 1;
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start = end;
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break;
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default:
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end = i + 1;
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break;
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}
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}
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// final token
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if (start !== end) {
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list.push(str.substring(start, end));
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}
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return list;
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}
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module.exports = parseTokenList;
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