60 lines
1.8 KiB
JavaScript
60 lines
1.8 KiB
JavaScript
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import mime from 'mime';
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export function acceptParams(str, index) {
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const parts = str.split(/ *; */);
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const ret = { value: parts[0], quality: 1, params: {}, originalIndex: index };
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for (const part of parts) {
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const pms = part.split(/ *= */);
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if ('q' === pms[0])
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ret.quality = Number.parseFloat(pms[1]);
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else
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ret.params[pms[0]] = pms[1];
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}
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return ret;
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}
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export const normalizeType = (type) => ~type.indexOf('/') ? acceptParams(type) : { value: mime.getType(type), params: {} };
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export function normalizeTypes(types) {
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const ret = [];
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for (const type of types) {
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ret.push(normalizeType(type));
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}
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return ret;
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}
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const matchHtmlRegExp = /["'&<>]/;
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export function escapeHTML(str) {
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const match = matchHtmlRegExp.exec(str);
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if (!match) {
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// stringify in case input is not a string
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return String(str);
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}
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let escapeChar;
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let html = '';
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let index = 0;
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let lastIndex = 0;
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for (index = match.index; index < str.length; index++) {
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switch (str.charCodeAt(index)) {
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case 34: // "
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escapeChar = '"';
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break;
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case 38: // &
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escapeChar = '&';
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break;
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case 39: // '
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escapeChar = ''';
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break;
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case 60: // <
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escapeChar = '<';
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break;
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case 62: // >
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escapeChar = '>';
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break;
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default:
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continue;
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}
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if (lastIndex !== index)
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html += str.substring(lastIndex, index);
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lastIndex = index + 1;
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html += escapeChar;
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}
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return lastIndex !== index ? html + str.substring(lastIndex, index) : html;
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}
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//# sourceMappingURL=util.js.map
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