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utf8mb4
Commit Description:
utf8mb4
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node_modules/falafel/example/prompt.js
| 49 lines
| 1.2 KiB
| application/javascript
| JavascriptLexer
|
| r789 | var falafel = require('../'); | |||
| var vm = require('vm'); | ||||
| var termExps = [ | ||||
| 'Identifier', | ||||
| 'CallExpression', | ||||
| 'BinaryExpression', | ||||
| 'UpdateExpression', | ||||
| 'UnaryExpression' | ||||
| ].reduce(function (acc, key) { acc[key] = true; return acc }, {}); | ||||
| function terminated (node) { | ||||
| for (var p = node; p.parent; p = p.parent) { | ||||
| if (termExps[p.type]) return true; | ||||
| } | ||||
| return false; | ||||
| } | ||||
| var src = '{"a":[2,~9,prompt(":d")],"b":4,"c":prompt("beep"),"d":6}'; | ||||
| var offsets = []; | ||||
| var output = falafel('(' + src + ')', function (node) { | ||||
| var isLeaf = node.parent | ||||
| && !terminated(node.parent) && terminated(node) | ||||
| ; | ||||
| if (isLeaf) { | ||||
| var s = node.source(); | ||||
| var prompted = false; | ||||
| var res = vm.runInNewContext('(' + s + ')', { | ||||
| prompt : function (x) { | ||||
| setTimeout(function () { | ||||
| node.update(x.toUpperCase()); | ||||
| }, Math.random() * 50); | ||||
| prompted = true; | ||||
| } | ||||
| }); | ||||
| if (!prompted) { | ||||
| var s_ = JSON.stringify(res); | ||||
| node.update(s_); | ||||
| } | ||||
| } | ||||
| }); | ||||
| setTimeout(function () { | ||||
| console.log(src); | ||||
| console.log('---'); | ||||
| console.log(output); | ||||
| }, 200); | ||||