Created
February 18, 2020 10:40
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parse javascript from stdin as an AST and remove specific functions by name
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| import escodegen from 'escodegen' | |
| import esprima from 'esprima' | |
| import estraverse from 'estraverse' | |
| let src = '' | |
| process.stdin.on('data', function (chunk) { | |
| src += chunk | |
| }) | |
| process.stdin.on('end', function () { | |
| let ast = esprima.parse(src) | |
| ast = estraverse.replace(ast, { | |
| enter: function (node) { | |
| //if (node.type === 'Property' && (node.key.name === 'run') && node.value.type === 'FunctionExpression') | |
| // this.remove() | |
| if (node.type === 'Property' && node.method && node.key.name === 'preRunAction') | |
| return this.remove() | |
| if (node.type === 'Property' && node.method && node.key.name === 'postRunAction') | |
| return this.remove() | |
| if (node.type === 'Property' && node.method && node.key.name === 'run') | |
| return this.remove() | |
| } | |
| }) | |
| console.log(escodegen.generate(ast)) | |
| }) |
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