63 lines
1.1 KiB
TypeScript
63 lines
1.1 KiB
TypeScript
export function splitShellArgs(raw: string): string[] | null {
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const tokens: string[] = [];
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let buf = "";
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let inSingle = false;
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let inDouble = false;
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let escaped = false;
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const pushToken = () => {
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if (buf.length > 0) {
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tokens.push(buf);
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buf = "";
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}
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};
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for (let i = 0; i < raw.length; i += 1) {
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const ch = raw[i];
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if (escaped) {
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buf += ch;
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escaped = false;
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continue;
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}
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if (!inSingle && !inDouble && ch === "\\") {
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escaped = true;
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continue;
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}
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if (inSingle) {
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if (ch === "'") {
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inSingle = false;
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} else {
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buf += ch;
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}
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continue;
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}
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if (inDouble) {
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if (ch === '"') {
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inDouble = false;
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} else {
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buf += ch;
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}
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continue;
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}
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if (ch === "'") {
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inSingle = true;
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continue;
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}
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if (ch === '"') {
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inDouble = true;
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continue;
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}
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if (/\s/.test(ch)) {
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pushToken();
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continue;
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}
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buf += ch;
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}
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if (escaped || inSingle || inDouble) {
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return null;
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}
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pushToken();
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return tokens;
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}
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