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typesetting/pitfall/pdfkit/node_modules/falafel/test/parent.js

34 lines
906 B
JavaScript

var falafel = require('../');
var test = require('tape');
test('parent', function (t) {
t.plan(5);
var src = '(' + function () {
var xs = [ 1, 2, 3 ];
fn(ys);
} + ')()';
var output = falafel(src, function (node) {
if (node.type === 'ArrayExpression') {
t.equal(node.parent.type, 'VariableDeclarator');
t.equal(
ffBracket(node.parent.source()),
'xs = [ 1, 2, 3 ]'
);
t.equal(node.parent.parent.type, 'VariableDeclaration');
t.equal(
ffBracket(node.parent.parent.source()),
'var xs = [ 1, 2, 3 ];'
);
node.parent.update('ys = 4;');
}
});
Function(['fn'], output)(function (x) { t.equal(x, 4) });
});
function ffBracket (s) {
return s.replace(/\[\s*/, '[ ').replace(/\s*\]/, ' ]');
}