39 lines
848 B
TypeScript
39 lines
848 B
TypeScript
const map: Record<string, string> = {
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"&": "&",
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"<": "<",
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">": ">",
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'"': """,
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"'": "'",
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};
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const beginingOfCDATA = "<![CDATA[";
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const endOfCDATA = "]]>";
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export function escapeValue(x: string): string {
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let insideOfCDATA = false;
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let builder = "";
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for (let i = 0; i < x.length; ) {
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if (insideOfCDATA) {
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if (x.slice(i, i + beginingOfCDATA.length) === beginingOfCDATA) {
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insideOfCDATA = true;
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i += beginingOfCDATA.length;
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} else {
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builder += x[i++];
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}
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} else {
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if (x.slice(i, i + endOfCDATA.length) === endOfCDATA) {
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insideOfCDATA = false;
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i += endOfCDATA.length;
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} else {
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const b = x[i++];
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builder += map[b] || b;
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}
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}
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}
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return builder;
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}
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export function escapeAttribute(x: string): string {
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return Object.entries(map).reduce((a, [k, v]) => a.replace(k, v), x);
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}
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