34 lines
1.1 KiB
JavaScript
Executable File
34 lines
1.1 KiB
JavaScript
Executable File
import { enumerate } from '../utils';
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/**
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* Tokenize a list of arguments
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*
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* @param strings arguments, based on `process.argv`
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*/
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export function tokenize(strings) {
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let tokens = [];
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let overallIndex = 0;
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const push = (token) => {
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tokens.push(token);
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overallIndex += token.raw.length;
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};
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for (const [stringIndex, string] of enumerate(strings)) {
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const chars = [...string];
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for (let i = 0; i < chars.length; i++) {
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if (chars[i] === '-' && chars[i + 1] === '-') {
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push({ type: 'longPrefix', raw: '--', index: overallIndex });
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i++;
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}
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else if (chars[i] === '-') {
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push({ type: 'shortPrefix', raw: '-', index: overallIndex });
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}
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else {
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push({ type: 'char', raw: chars[i], index: overallIndex });
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}
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}
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if (stringIndex + 1 !== strings.length) {
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push({ type: 'argumentDivider', raw: ' ', index: overallIndex });
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}
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}
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return tokens;
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}
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//# sourceMappingURL=tokenizer.js.map
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