forked from zhurui/management
44 lines
1.3 KiB
JavaScript
44 lines
1.3 KiB
JavaScript
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'use strict';
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const path = require('path');
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const win32 = process.platform === 'win32';
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const {
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REGEX_SPECIAL_CHARS,
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REGEX_SPECIAL_CHARS_GLOBAL,
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REGEX_REMOVE_BACKSLASH
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} = require('./constants');
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exports.isObject = val => val !== null && typeof val === 'object' && !Array.isArray(val);
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exports.hasRegexChars = str => REGEX_SPECIAL_CHARS.test(str);
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exports.isRegexChar = str => str.length === 1 && exports.hasRegexChars(str);
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exports.escapeRegex = str => str.replace(REGEX_SPECIAL_CHARS_GLOBAL, '\\$1');
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exports.toPosixSlashes = str => str.replace(/\\/g, '/');
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exports.removeBackslashes = str => {
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return str.replace(REGEX_REMOVE_BACKSLASH, match => {
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return match === '\\' ? '' : match;
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});
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}
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exports.supportsLookbehinds = () => {
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let segs = process.version.slice(1).split('.');
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if (segs.length === 3 && +segs[0] >= 9 || (+segs[0] === 8 && +segs[1] >= 10)) {
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return true;
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}
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return false;
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};
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exports.isWindows = options => {
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if (options && typeof options.windows === 'boolean') {
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return options.windows;
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}
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return win32 === true || path.sep === '\\';
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};
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exports.escapeLast = (input, char, lastIdx) => {
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let idx = input.lastIndexOf(char, lastIdx);
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if (idx === -1) return input;
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if (input[idx - 1] === '\\') return exports.escapeLast(input, char, idx - 1);
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return input.slice(0, idx) + '\\' + input.slice(idx);
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};
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