62 lines
1.3 KiB
JavaScript
62 lines
1.3 KiB
JavaScript
var util = require('util')
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var INDENT_START = /[\{\[]/
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var INDENT_END = /[\}\]]/
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module.exports = function() {
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var lines = []
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var indent = 0
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var push = function(str) {
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var spaces = ''
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while (spaces.length < indent*2) spaces += ' '
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lines.push(spaces+str)
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}
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var line = function(fmt) {
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if (!fmt) return line
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if (INDENT_END.test(fmt.trim()[0]) && INDENT_START.test(fmt[fmt.length-1])) {
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indent--
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push(util.format.apply(util, arguments))
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indent++
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return line
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}
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if (INDENT_START.test(fmt[fmt.length-1])) {
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push(util.format.apply(util, arguments))
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indent++
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return line
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}
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if (INDENT_END.test(fmt.trim()[0])) {
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indent--
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push(util.format.apply(util, arguments))
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return line
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}
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push(util.format.apply(util, arguments))
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return line
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}
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line.toString = function() {
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return lines.join('\n')
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}
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line.toFunction = function(scope) {
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var src = 'return ('+line.toString()+')'
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var keys = Object.keys(scope || {}).map(function(key) {
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return key
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})
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var vals = keys.map(function(key) {
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return scope[key]
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})
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return Function.apply(null, keys.concat(src)).apply(null, vals)
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}
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if (arguments.length) line.apply(null, arguments)
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return line
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}
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