| // Generated by LiveScript 1.5.0 |
| (function(){ |
| var ref$, id, find, sort, min, max, map, unlines, nameToRaw, dasherize, naturalJoin, wordwrap, getPreText, setHelpStyleDefaults, generateHelpForOption, generateHelp; |
| ref$ = require('prelude-ls'), id = ref$.id, find = ref$.find, sort = ref$.sort, min = ref$.min, max = ref$.max, map = ref$.map, unlines = ref$.unlines; |
| ref$ = require('./util'), nameToRaw = ref$.nameToRaw, dasherize = ref$.dasherize, naturalJoin = ref$.naturalJoin; |
| wordwrap = require('wordwrap'); |
| getPreText = function(option, arg$, maxWidth){ |
| var mainName, shortNames, ref$, longNames, type, description, aliasSeparator, typeSeparator, initialIndent, names, namesString, namesStringLen, typeSeparatorString, typeSeparatorStringLen, wrap; |
| mainName = option.option, shortNames = (ref$ = option.shortNames) != null |
| ? ref$ |
| : [], longNames = (ref$ = option.longNames) != null |
| ? ref$ |
| : [], type = option.type, description = option.description; |
| aliasSeparator = arg$.aliasSeparator, typeSeparator = arg$.typeSeparator, initialIndent = arg$.initialIndent; |
| if (option.negateName) { |
| mainName = "no-" + mainName; |
| if (longNames) { |
| longNames = map(function(it){ |
| return "no-" + it; |
| }, longNames); |
| } |
| } |
| names = mainName.length === 1 |
| ? [mainName].concat(shortNames, longNames) |
| : shortNames.concat([mainName], longNames); |
| namesString = map(nameToRaw, names).join(aliasSeparator); |
| namesStringLen = namesString.length; |
| typeSeparatorString = mainName === 'NUM' ? '::' : typeSeparator; |
| typeSeparatorStringLen = typeSeparatorString.length; |
| if (maxWidth != null && !option.boolean && initialIndent + namesStringLen + typeSeparatorStringLen + type.length > maxWidth) { |
| wrap = wordwrap(initialIndent + namesStringLen + typeSeparatorStringLen, maxWidth); |
| return namesString + "" + typeSeparatorString + wrap(type).replace(/^\s+/, ''); |
| } else { |
| return namesString + "" + (option.boolean |
| ? '' |
| : typeSeparatorString + "" + type); |
| } |
| }; |
| setHelpStyleDefaults = function(helpStyle){ |
| helpStyle.aliasSeparator == null && (helpStyle.aliasSeparator = ', '); |
| helpStyle.typeSeparator == null && (helpStyle.typeSeparator = ' '); |
| helpStyle.descriptionSeparator == null && (helpStyle.descriptionSeparator = ' '); |
| helpStyle.initialIndent == null && (helpStyle.initialIndent = 2); |
| helpStyle.secondaryIndent == null && (helpStyle.secondaryIndent = 4); |
| helpStyle.maxPadFactor == null && (helpStyle.maxPadFactor = 1.5); |
| }; |
| generateHelpForOption = function(getOption, arg$){ |
| var stdout, helpStyle, ref$; |
| stdout = arg$.stdout, helpStyle = (ref$ = arg$.helpStyle) != null |
| ? ref$ |
| : {}; |
| setHelpStyleDefaults(helpStyle); |
| return function(optionName){ |
| var maxWidth, wrap, option, e, pre, defaultString, restPositionalString, description, fullDescription, that, preDescription, descriptionString, exampleString, examples, seperator; |
| maxWidth = stdout != null && stdout.isTTY ? stdout.columns - 1 : null; |
| wrap = maxWidth ? wordwrap(maxWidth) : id; |
| try { |
| option = getOption(dasherize(optionName)); |
| } catch (e$) { |
| e = e$; |
| return e.message; |
| } |
| pre = getPreText(option, helpStyle); |
| defaultString = option['default'] && !option.negateName ? "\ndefault: " + option['default'] : ''; |
| restPositionalString = option.restPositional ? 'Everything after this option is considered a positional argument, even if it looks like an option.' : ''; |
| description = option.longDescription || option.description && sentencize(option.description); |
| fullDescription = description && restPositionalString |
| ? description + " " + restPositionalString |
| : (that = description || restPositionalString) ? that : ''; |
| preDescription = 'description:'; |
| descriptionString = !fullDescription |
| ? '' |
| : maxWidth && fullDescription.length - 1 - preDescription.length > maxWidth |
| ? "\n" + preDescription + "\n" + wrap(fullDescription) |
| : "\n" + preDescription + " " + fullDescription; |
| exampleString = (that = option.example) ? (examples = [].concat(that), examples.length > 1 |
| ? "\nexamples:\n" + unlines(examples) |
| : "\nexample: " + examples[0]) : ''; |
| seperator = defaultString || descriptionString || exampleString ? "\n" + repeatString$('=', pre.length) : ''; |
| return pre + "" + seperator + defaultString + descriptionString + exampleString; |
| }; |
| }; |
| generateHelp = function(arg$){ |
| var options, prepend, append, helpStyle, ref$, stdout, aliasSeparator, typeSeparator, descriptionSeparator, maxPadFactor, initialIndent, secondaryIndent; |
| options = arg$.options, prepend = arg$.prepend, append = arg$.append, helpStyle = (ref$ = arg$.helpStyle) != null |
| ? ref$ |
| : {}, stdout = arg$.stdout; |
| setHelpStyleDefaults(helpStyle); |
| aliasSeparator = helpStyle.aliasSeparator, typeSeparator = helpStyle.typeSeparator, descriptionSeparator = helpStyle.descriptionSeparator, maxPadFactor = helpStyle.maxPadFactor, initialIndent = helpStyle.initialIndent, secondaryIndent = helpStyle.secondaryIndent; |
| return function(arg$){ |
| var ref$, showHidden, interpolate, maxWidth, output, out, data, optionCount, totalPreLen, preLens, i$, len$, item, that, pre, descParts, desc, preLen, sortedPreLens, maxPreLen, preLenMean, x, padAmount, descSepLen, fullWrapCount, partialWrapCount, descLen, totalLen, initialSpace, wrapAllFull, i, wrap; |
| ref$ = arg$ != null |
| ? arg$ |
| : {}, showHidden = ref$.showHidden, interpolate = ref$.interpolate; |
| maxWidth = stdout != null && stdout.isTTY ? stdout.columns - 1 : null; |
| output = []; |
| out = function(it){ |
| return output.push(it != null ? it : ''); |
| }; |
| if (prepend) { |
| out(interpolate ? interp(prepend, interpolate) : prepend); |
| out(); |
| } |
| data = []; |
| optionCount = 0; |
| totalPreLen = 0; |
| preLens = []; |
| for (i$ = 0, len$ = (ref$ = options).length; i$ < len$; ++i$) { |
| item = ref$[i$]; |
| if (showHidden || !item.hidden) { |
| if (that = item.heading) { |
| data.push({ |
| type: 'heading', |
| value: that |
| }); |
| } else { |
| pre = getPreText(item, helpStyle, maxWidth); |
| descParts = []; |
| if ((that = item.description) != null) { |
| descParts.push(that); |
| } |
| if (that = item['enum']) { |
| descParts.push("either: " + naturalJoin(that)); |
| } |
| if (item['default'] && !item.negateName) { |
| descParts.push("default: " + item['default']); |
| } |
| desc = descParts.join(' - '); |
| data.push({ |
| type: 'option', |
| pre: pre, |
| desc: desc, |
| descLen: desc.length |
| }); |
| preLen = pre.length; |
| optionCount++; |
| totalPreLen += preLen; |
| preLens.push(preLen); |
| } |
| } |
| } |
| sortedPreLens = sort(preLens); |
| maxPreLen = sortedPreLens[sortedPreLens.length - 1]; |
| preLenMean = initialIndent + totalPreLen / optionCount; |
| x = optionCount > 2 ? min(preLenMean * maxPadFactor, maxPreLen) : maxPreLen; |
| for (i$ = sortedPreLens.length - 1; i$ >= 0; --i$) { |
| preLen = sortedPreLens[i$]; |
| if (preLen <= x) { |
| padAmount = preLen; |
| break; |
| } |
| } |
| descSepLen = descriptionSeparator.length; |
| if (maxWidth != null) { |
| fullWrapCount = 0; |
| partialWrapCount = 0; |
| for (i$ = 0, len$ = data.length; i$ < len$; ++i$) { |
| item = data[i$]; |
| if (item.type === 'option') { |
| pre = item.pre, desc = item.desc, descLen = item.descLen; |
| if (descLen === 0) { |
| item.wrap = 'none'; |
| } else { |
| preLen = max(padAmount, pre.length) + initialIndent + descSepLen; |
| totalLen = preLen + descLen; |
| if (totalLen > maxWidth) { |
| if (descLen / 2.5 > maxWidth - preLen) { |
| fullWrapCount++; |
| item.wrap = 'full'; |
| } else { |
| partialWrapCount++; |
| item.wrap = 'partial'; |
| } |
| } else { |
| item.wrap = 'none'; |
| } |
| } |
| } |
| } |
| } |
| initialSpace = repeatString$(' ', initialIndent); |
| wrapAllFull = optionCount > 1 && fullWrapCount + partialWrapCount * 0.5 > optionCount * 0.5; |
| for (i$ = 0, len$ = data.length; i$ < len$; ++i$) { |
| i = i$; |
| item = data[i$]; |
| if (item.type === 'heading') { |
| if (i !== 0) { |
| out(); |
| } |
| out(item.value + ":"); |
| } else { |
| pre = item.pre, desc = item.desc, descLen = item.descLen, wrap = item.wrap; |
| if (maxWidth != null) { |
| if (wrapAllFull || wrap === 'full') { |
| wrap = wordwrap(initialIndent + secondaryIndent, maxWidth); |
| out(initialSpace + "" + pre + "\n" + wrap(desc)); |
| continue; |
| } else if (wrap === 'partial') { |
| wrap = wordwrap(initialIndent + descSepLen + max(padAmount, pre.length), maxWidth); |
| out(initialSpace + "" + pad(pre, padAmount) + descriptionSeparator + wrap(desc).replace(/^\s+/, '')); |
| continue; |
| } |
| } |
| if (descLen === 0) { |
| out(initialSpace + "" + pre); |
| } else { |
| out(initialSpace + "" + pad(pre, padAmount) + descriptionSeparator + desc); |
| } |
| } |
| } |
| if (append) { |
| out(); |
| out(interpolate ? interp(append, interpolate) : append); |
| } |
| return unlines(output); |
| }; |
| }; |
| function pad(str, num){ |
| var len, padAmount; |
| len = str.length; |
| padAmount = num - len; |
| return str + "" + repeatString$(' ', padAmount > 0 ? padAmount : 0); |
| } |
| function sentencize(str){ |
| var first, rest, period; |
| first = str.charAt(0).toUpperCase(); |
| rest = str.slice(1); |
| period = /[\.!\?]$/.test(str) ? '' : '.'; |
| return first + "" + rest + period; |
| } |
| function interp(string, object){ |
| return string.replace(/{{([a-zA-Z$_][a-zA-Z$_0-9]*)}}/g, function(arg$, key){ |
| var ref$; |
| return (ref$ = object[key]) != null |
| ? ref$ |
| : "{{" + key + "}}"; |
| }); |
| } |
| module.exports = { |
| generateHelp: generateHelp, |
| generateHelpForOption: generateHelpForOption |
| }; |
| function repeatString$(str, n){ |
| for (var r = ''; n > 0; (n >>= 1) && (str += str)) if (n & 1) r += str; |
| return r; |
| } |
| }).call(this); |
