| 1 | // Generated by LiveScript 1.6.0
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| 2 | (function(){
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| 3 | var ref$, id, find, sort, min, max, map, unlines, nameToRaw, dasherize, naturalJoin, wordWrap, wordwrap, getPreText, setHelpStyleDefaults, generateHelpForOption, generateHelp;
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| 4 | ref$ = require('prelude-ls'), id = ref$.id, find = ref$.find, sort = ref$.sort, min = ref$.min, max = ref$.max, map = ref$.map, unlines = ref$.unlines;
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| 5 | ref$ = require('./util'), nameToRaw = ref$.nameToRaw, dasherize = ref$.dasherize, naturalJoin = ref$.naturalJoin;
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| 6 | wordWrap = require('word-wrap');
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| 7 | wordwrap = function(a, b){
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| 8 | var ref$, indent, width;
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| 9 | ref$ = b === undefined
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| 10 | ? ['', a - 1]
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| 11 | : [repeatString$(' ', a), b - a - 1], indent = ref$[0], width = ref$[1];
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| 12 | return function(text){
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| 13 | return wordWrap(text, {
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| 14 | indent: indent,
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| 15 | width: width,
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| 16 | trim: true
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| 17 | });
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| 18 | };
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| 19 | };
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| 20 | getPreText = function(option, arg$, maxWidth){
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| 21 | var mainName, shortNames, ref$, longNames, type, description, aliasSeparator, typeSeparator, initialIndent, names, namesString, namesStringLen, typeSeparatorString, typeSeparatorStringLen, wrap;
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| 22 | mainName = option.option, shortNames = (ref$ = option.shortNames) != null
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| 23 | ? ref$
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| 24 | : [], longNames = (ref$ = option.longNames) != null
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| 25 | ? ref$
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| 26 | : [], type = option.type, description = option.description;
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| 27 | aliasSeparator = arg$.aliasSeparator, typeSeparator = arg$.typeSeparator, initialIndent = arg$.initialIndent;
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| 28 | if (option.negateName) {
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| 29 | mainName = "no-" + mainName;
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| 30 | if (longNames) {
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| 31 | longNames = map(function(it){
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| 32 | return "no-" + it;
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| 33 | }, longNames);
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| 34 | }
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| 35 | }
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| 36 | names = mainName.length === 1
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| 37 | ? [mainName].concat(shortNames, longNames)
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| 38 | : shortNames.concat([mainName], longNames);
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| 39 | namesString = map(nameToRaw, names).join(aliasSeparator);
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| 40 | namesStringLen = namesString.length;
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| 41 | typeSeparatorString = mainName === 'NUM' ? '::' : typeSeparator;
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| 42 | typeSeparatorStringLen = typeSeparatorString.length;
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| 43 | if (maxWidth != null && !option.boolean && initialIndent + namesStringLen + typeSeparatorStringLen + type.length > maxWidth) {
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| 44 | wrap = wordwrap(initialIndent + namesStringLen + typeSeparatorStringLen, maxWidth);
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| 45 | return namesString + "" + typeSeparatorString + wrap(type).replace(/^\s+/, '');
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| 46 | } else {
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| 47 | return namesString + "" + (option.boolean
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| 48 | ? ''
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| 49 | : typeSeparatorString + "" + type);
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| 50 | }
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| 51 | };
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| 52 | setHelpStyleDefaults = function(helpStyle){
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| 53 | helpStyle.aliasSeparator == null && (helpStyle.aliasSeparator = ', ');
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| 54 | helpStyle.typeSeparator == null && (helpStyle.typeSeparator = ' ');
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| 55 | helpStyle.descriptionSeparator == null && (helpStyle.descriptionSeparator = ' ');
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| 56 | helpStyle.initialIndent == null && (helpStyle.initialIndent = 2);
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| 57 | helpStyle.secondaryIndent == null && (helpStyle.secondaryIndent = 4);
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| 58 | helpStyle.maxPadFactor == null && (helpStyle.maxPadFactor = 1.5);
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| 59 | };
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| 60 | generateHelpForOption = function(getOption, arg$){
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| 61 | var stdout, helpStyle, ref$;
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| 62 | stdout = arg$.stdout, helpStyle = (ref$ = arg$.helpStyle) != null
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| 63 | ? ref$
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| 64 | : {};
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| 65 | setHelpStyleDefaults(helpStyle);
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| 66 | return function(optionName){
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| 67 | var maxWidth, wrap, option, e, pre, defaultString, restPositionalString, description, fullDescription, that, preDescription, descriptionString, exampleString, examples, seperator;
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| 68 | maxWidth = stdout != null && stdout.isTTY ? stdout.columns - 1 : null;
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| 69 | wrap = maxWidth ? wordwrap(maxWidth) : id;
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| 70 | try {
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| 71 | option = getOption(dasherize(optionName));
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| 72 | } catch (e$) {
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| 73 | e = e$;
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| 74 | return e.message;
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| 75 | }
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| 76 | pre = getPreText(option, helpStyle);
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| 77 | defaultString = option['default'] && !option.negateName ? "\ndefault: " + option['default'] : '';
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| 78 | restPositionalString = option.restPositional ? 'Everything after this option is considered a positional argument, even if it looks like an option.' : '';
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| 79 | description = option.longDescription || option.description && sentencize(option.description);
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| 80 | fullDescription = description && restPositionalString
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| 81 | ? description + " " + restPositionalString
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| 82 | : (that = description || restPositionalString) ? that : '';
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| 83 | preDescription = 'description:';
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| 84 | descriptionString = !fullDescription
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| 85 | ? ''
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| 86 | : maxWidth && fullDescription.length - 1 - preDescription.length > maxWidth
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| 87 | ? "\n" + preDescription + "\n" + wrap(fullDescription)
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| 88 | : "\n" + preDescription + " " + fullDescription;
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| 89 | exampleString = (that = option.example) ? (examples = [].concat(that), examples.length > 1
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| 90 | ? "\nexamples:\n" + unlines(examples)
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| 91 | : "\nexample: " + examples[0]) : '';
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| 92 | seperator = defaultString || descriptionString || exampleString ? "\n" + repeatString$('=', pre.length) : '';
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| 93 | return pre + "" + seperator + defaultString + descriptionString + exampleString;
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| 94 | };
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| 95 | };
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| 96 | generateHelp = function(arg$){
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| 97 | var options, prepend, append, helpStyle, ref$, stdout, aliasSeparator, typeSeparator, descriptionSeparator, maxPadFactor, initialIndent, secondaryIndent;
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| 98 | options = arg$.options, prepend = arg$.prepend, append = arg$.append, helpStyle = (ref$ = arg$.helpStyle) != null
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| 99 | ? ref$
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| 100 | : {}, stdout = arg$.stdout;
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| 101 | setHelpStyleDefaults(helpStyle);
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| 102 | aliasSeparator = helpStyle.aliasSeparator, typeSeparator = helpStyle.typeSeparator, descriptionSeparator = helpStyle.descriptionSeparator, maxPadFactor = helpStyle.maxPadFactor, initialIndent = helpStyle.initialIndent, secondaryIndent = helpStyle.secondaryIndent;
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| 103 | return function(arg$){
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| 104 | var ref$, showHidden, interpolate, maxWidth, output, out, data, optionCount, totalPreLen, preLens, i$, len$, item, that, pre, descParts, desc, preLen, sortedPreLens, maxPreLen, preLenMean, x, padAmount, descSepLen, fullWrapCount, partialWrapCount, descLen, totalLen, initialSpace, wrapAllFull, i, wrap;
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| 105 | ref$ = arg$ != null
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| 106 | ? arg$
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| 107 | : {}, showHidden = ref$.showHidden, interpolate = ref$.interpolate;
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| 108 | maxWidth = stdout != null && stdout.isTTY ? stdout.columns - 1 : null;
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| 109 | output = [];
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| 110 | out = function(it){
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| 111 | return output.push(it != null ? it : '');
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| 112 | };
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| 113 | if (prepend) {
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| 114 | out(interpolate ? interp(prepend, interpolate) : prepend);
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| 115 | out();
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| 116 | }
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| 117 | data = [];
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| 118 | optionCount = 0;
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| 119 | totalPreLen = 0;
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| 120 | preLens = [];
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| 121 | for (i$ = 0, len$ = (ref$ = options).length; i$ < len$; ++i$) {
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| 122 | item = ref$[i$];
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| 123 | if (showHidden || !item.hidden) {
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| 124 | if (that = item.heading) {
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| 125 | data.push({
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| 126 | type: 'heading',
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| 127 | value: that
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| 128 | });
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| 129 | } else {
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| 130 | pre = getPreText(item, helpStyle, maxWidth);
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| 131 | descParts = [];
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| 132 | if ((that = item.description) != null) {
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| 133 | descParts.push(that);
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| 134 | }
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| 135 | if (that = item['enum']) {
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| 136 | descParts.push("either: " + naturalJoin(that));
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| 137 | }
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| 138 | if (item['default'] && !item.negateName) {
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| 139 | descParts.push("default: " + item['default']);
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| 140 | }
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| 141 | desc = descParts.join(' - ');
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| 142 | data.push({
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| 143 | type: 'option',
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| 144 | pre: pre,
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| 145 | desc: desc,
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| 146 | descLen: desc.length
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| 147 | });
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| 148 | preLen = pre.length;
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| 149 | optionCount++;
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| 150 | totalPreLen += preLen;
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| 151 | preLens.push(preLen);
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| 152 | }
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| 153 | }
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| 154 | }
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| 155 | sortedPreLens = sort(preLens);
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| 156 | maxPreLen = sortedPreLens[sortedPreLens.length - 1];
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| 157 | preLenMean = initialIndent + totalPreLen / optionCount;
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| 158 | x = optionCount > 2 ? min(preLenMean * maxPadFactor, maxPreLen) : maxPreLen;
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| 159 | for (i$ = sortedPreLens.length - 1; i$ >= 0; --i$) {
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| 160 | preLen = sortedPreLens[i$];
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| 161 | if (preLen <= x) {
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| 162 | padAmount = preLen;
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| 163 | break;
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| 164 | }
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| 165 | }
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| 166 | descSepLen = descriptionSeparator.length;
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| 167 | if (maxWidth != null) {
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| 168 | fullWrapCount = 0;
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| 169 | partialWrapCount = 0;
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| 170 | for (i$ = 0, len$ = data.length; i$ < len$; ++i$) {
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| 171 | item = data[i$];
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| 172 | if (item.type === 'option') {
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| 173 | pre = item.pre, desc = item.desc, descLen = item.descLen;
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| 174 | if (descLen === 0) {
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| 175 | item.wrap = 'none';
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| 176 | } else {
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| 177 | preLen = max(padAmount, pre.length) + initialIndent + descSepLen;
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| 178 | totalLen = preLen + descLen;
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| 179 | if (totalLen > maxWidth) {
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| 180 | if (descLen / 2.5 > maxWidth - preLen) {
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| 181 | fullWrapCount++;
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| 182 | item.wrap = 'full';
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| 183 | } else {
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| 184 | partialWrapCount++;
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| 185 | item.wrap = 'partial';
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| 186 | }
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| 187 | } else {
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| 188 | item.wrap = 'none';
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| 189 | }
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| 190 | }
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| 191 | }
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| 192 | }
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| 193 | }
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| 194 | initialSpace = repeatString$(' ', initialIndent);
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| 195 | wrapAllFull = optionCount > 1 && fullWrapCount + partialWrapCount * 0.5 > optionCount * 0.5;
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| 196 | for (i$ = 0, len$ = data.length; i$ < len$; ++i$) {
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| 197 | i = i$;
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| 198 | item = data[i$];
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| 199 | if (item.type === 'heading') {
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| 200 | if (i !== 0) {
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| 201 | out();
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| 202 | }
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| 203 | out(item.value + ":");
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| 204 | } else {
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| 205 | pre = item.pre, desc = item.desc, descLen = item.descLen, wrap = item.wrap;
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| 206 | if (maxWidth != null) {
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| 207 | if (wrapAllFull || wrap === 'full') {
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| 208 | wrap = wordwrap(initialIndent + secondaryIndent, maxWidth);
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| 209 | out(initialSpace + "" + pre + "\n" + wrap(desc));
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| 210 | continue;
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| 211 | } else if (wrap === 'partial') {
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| 212 | wrap = wordwrap(initialIndent + descSepLen + max(padAmount, pre.length), maxWidth);
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| 213 | out(initialSpace + "" + pad(pre, padAmount) + descriptionSeparator + wrap(desc).replace(/^\s+/, ''));
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| 214 | continue;
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| 215 | }
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| 216 | }
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| 217 | if (descLen === 0) {
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| 218 | out(initialSpace + "" + pre);
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| 219 | } else {
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| 220 | out(initialSpace + "" + pad(pre, padAmount) + descriptionSeparator + desc);
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| 221 | }
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| 222 | }
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| 223 | }
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| 224 | if (append) {
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| 225 | out();
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| 226 | out(interpolate ? interp(append, interpolate) : append);
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| 227 | }
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| 228 | return unlines(output);
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| 229 | };
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| 230 | };
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| 231 | function pad(str, num){
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| 232 | var len, padAmount;
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| 233 | len = str.length;
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| 234 | padAmount = num - len;
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| 235 | return str + "" + repeatString$(' ', padAmount > 0 ? padAmount : 0);
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| 236 | }
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| 237 | function sentencize(str){
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| 238 | var first, rest, period;
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| 239 | first = str.charAt(0).toUpperCase();
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| 240 | rest = str.slice(1);
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| 241 | period = /[\.!\?]$/.test(str) ? '' : '.';
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| 242 | return first + "" + rest + period;
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| 243 | }
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| 244 | function interp(string, object){
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| 245 | return string.replace(/{{([a-zA-Z$_][a-zA-Z$_0-9]*)}}/g, function(arg$, key){
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| 246 | var ref$;
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| 247 | return (ref$ = object[key]) != null
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| 248 | ? ref$
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| 249 | : "{{" + key + "}}";
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| 250 | });
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| 251 | }
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| 252 | module.exports = {
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| 253 | generateHelp: generateHelp,
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| 254 | generateHelpForOption: generateHelpForOption
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| 255 | };
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| 256 | function repeatString$(str, n){
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| 257 | for (var r = ''; n > 0; (n >>= 1) && (str += str)) if (n & 1) r += str;
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| 258 | return r;
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| 259 | }
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| 260 | }).call(this);
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