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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 | 1x 1x 1x 18x 18x 18x 18x 18x 18x 18x 30x 30x 10x 10x 10x 10x 20x 20x 7x 7x 7x 7x 12x 12x 12x 12x 7x 7x 7x 7x 13x 3x 3x 3x 3x 10x 10x 8x 9x 8x 8x 8x 3x 2x 2x 2x 18x 600x 30x 20x 1x 20x 13x | const {pipe} = require('./pipe') const {then} = require('./then') function parser (stages = {}, options = {}) { const {checks = {}, parsers = {}} = options const checksAndStages = { argv: [...(checks.argv || []), ...(stages.argv || [])], toOpts: stages.toOpts, opts: [...(checks.opts || []), ...(stages.opts || [])], toArgs: stages.toArgs, args: [...(checks.args || []), ...(stages.args || [])] } const {argv, toOpts = TO_OPTS, opts, toArgs, args} = checksAndStages return ({opts: OPTS = []} = {}) => (ARGV, ERRS) => pipe( ...argv, toOpts(OPTS), ...opts, toArgs || TO_ARGS({_: parser(stages), ...parsers, __: parser(stages)}), ...args )({errs: ERRS, argv: ARGV}) } module.exports = { parser, argvToOpts } function TO_OPTS (opts = []) { const options = opts.filter(opt => typeof opt === 'object' && opt.key !== 'undefined') return pipe2( argvToOpts )(opts)(options) } function pipe2 (f, ...fs) { return a => b => { let res = f(a)(b) for (let i = 0; i < fs.length; i++) res = fs[i](a)(res) return res } } function argvToOpts (opts = []) { const forArg = optsForArg(opts) return ({errs = [], argv = []} = {}) => { const errs2 = [] let opts2 = [] let at = 0 let arg = argv[at] while (arg) { const opts3 = withSameTypesLength(forArg(arg)) if (opts3.length === 0) { const opt = {values: [arg]} opts2.push(opt) at++ arg = argv[at] } else { const opt = opts3[0] if (isVariadic(opt)) { let j = at + 1 let arg2 = argv[j] || '--' const values = [] while (arg2 !== '--') { values.push(arg2) j++ arg2 = argv[j] || '--' } const types2 = Array.from({length: values.length}, () => 'string') const opt2 = {...opt, types: types2, values} opts2.push(opt2) at = j arg = argv[at] } else if (isFlag(opt)) { const opts4 = opts3.map(opt => ({...opt, values: [1]})) opts2 = [...opts2, ...opts4] at = at + 1 arg = argv[at] } else { const at2 = at + 1 + opt.types.length if (typeof argv[at2 - 1] !== 'undefined') { const values = argv.slice(at + 1, at2) const opts4 = opts3.map(opt => ({...opt, values})) opts2 = [...opts2, ...opts4] at = at2 arg = argv[at] } else { const rest = argv.slice(at).map(value => ({values: [value]})) opts2 = [...opts2, ...rest] at = at2 arg = argv[at] } } } } return {errs: [...errs, ...errs2], opts: opts2} } } function optsForArg (opts) { return arg => opts.filter(({args}) => typeof args !== 'undefined' && args.indexOf(arg) > -1) } function withSameTypesLength (opts) { if (opts.length === 0) return opts else { return opts.slice(1).reduce( ([head, ...tail], opt) => ( (typeof head.types === 'undefined' && typeof opt.types === 'undefined') || (Array.isArray(head.types) && Array.isArray(opt.types) && head.types.length === opt.types.length) ? [head, ...tail, opt] : [head, ...tail] ), opts.slice(0, 1) ) } } function isVariadic ({types}) { return typeof types === 'undefined' } function isFlag ({types}) { return Array.isArray(types) && types.length === 0 } function TO_ARGS (parsers = {}) { return ({errs = [], opts = []} = {}) => ({errs, args: {}}) } |