forked from liweijie/education
66 lines
1.6 KiB
JavaScript
66 lines
1.6 KiB
JavaScript
'use strict';
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/** @import { ControlOperator } from './parse' */
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/** @type {ControlOperator['op'][]} */
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var OPS = /** @type {const} */ ([
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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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'>>',
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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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'|',
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'<',
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'>'
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]);
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var LINE_TERMINATORS = /[\n\r\u2028\u2029]/;
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var GLOB_SHELL_SPECIAL = /[\s#!"$&'():;<=>@\\^`|]/g;
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/** @type {typeof import('./quote')} */
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module.exports = function quote(xs) {
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return xs.map(function (s) {
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if (s === '') {
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return /** @type {const} */ ('\'\'');
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}
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if (s && typeof s === 'object') {
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if ('op' in s && s.op === 'glob') {
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if (typeof s.pattern !== 'string') {
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throw new TypeError('glob token requires a string `pattern`');
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}
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if (LINE_TERMINATORS.test(s.pattern)) {
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throw new TypeError('glob `pattern` must not contain line terminators');
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}
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return s.pattern.replace(GLOB_SHELL_SPECIAL, '\\$&');
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}
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if ('op' in s && typeof s.op === 'string') {
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if (OPS.indexOf(s.op) < 0) {
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throw new TypeError('invalid `op` value: ' + JSON.stringify(s.op));
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}
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return s.op.replace(/[\s\S]/g, '\\$&');
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}
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if ('comment' in s && typeof s.comment === 'string') {
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if (LINE_TERMINATORS.test(s.comment)) {
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throw new TypeError('`comment` must not contain line terminators');
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}
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return '#' + s.comment;
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}
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throw new TypeError('unrecognized object token shape');
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}
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if ((/["\s\\]/).test(s) && !(/'/).test(s)) {
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return "'" + s.replace(/(['])/g, '\\$1') + "'";
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}
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if ((/["'\s]/).test(s)) {
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return '"' + s.replace(/(["\\$`!])/g, '\\$1') + '"';
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}
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return String(s).replace(/([A-Za-z]:)?([#!"$&'()*,:;<=>?@[\\\]^`{|}~])/g, '$1\\$2');
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}).join(' ');
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};
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