PEG.js Require Extension
npm install pegjs-require-importA simple require extension for PEG.js that supports importing syntax
If you're using webpack, it's recommended to use pegjs-import-loader
npm install --save-dev pegjs-require-importjs
{
const str = 'This is just an example string';
function concat(a, b) {
return a.concat(b);
}
}
Expression
= head:Term tail:(_ ("+" / "-") _ Term)* {
return tail.reduce(function(result, element) {
if (element[1] === "+") { return result + element[3]; }
if (element[1] === "-") { return result - element[3]; }
}, head);
}
Factor
= "(" _ expr:Expression _ ")" { return expr; }
/ Integer
@import './base-rules.pegjs'
@import './keywords.pegjs'
`
Import syntax is the same as in pegjs-import-loader
$3
js
const pegjs_require = require('pegjs-require-import');
const parser = pegjs_require('./parser.pegjs', {
format: 'commonjs',
dependencies: {
_: 'lodash'
}
});
const result = parser.parse(content);
``