Sha256: 9df27c817adc4e970d09ca6eab4d745ed101d6f10f0f8f6de75213ea9c643ac9
Contents?: true
Size: 1.61 KB
Versions: 7
Compression:
Stored size: 1.61 KB
Contents
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
typeof define === 'function' && define.amd ? define(['exports'], factory) :
(factory((global.estreeWalker = {})));
}(this, (function (exports) { 'use strict';
function walk ( ast, ref) {
var enter = ref.enter;
var leave = ref.leave;
visit( ast, null, enter, leave );
}
var shouldSkip = false;
var context = { skip: function () { return shouldSkip = true; } };
var childKeys = {};
var toString = Object.prototype.toString;
function isArray ( thing ) {
return toString.call( thing ) === '[object Array]';
}
function visit ( node, parent, enter, leave, prop, index ) {
if ( !node ) { return; }
if ( enter ) {
var _shouldSkip = shouldSkip;
shouldSkip = false;
enter.call( context, node, parent, prop, index );
var skipped = shouldSkip;
shouldSkip = _shouldSkip;
if ( skipped ) { return; }
}
var keys = childKeys[ node.type ] || (
childKeys[ node.type ] = Object.keys( node ).filter( function (key) { return typeof node[ key ] === 'object'; } )
);
for ( var i = 0; i < keys.length; i += 1 ) {
var key = keys[i];
var value = node[ key ];
if ( isArray( value ) ) {
for ( var j = 0; j < value.length; j += 1 ) {
visit( value[j], node, enter, leave, key, j );
}
}
else if ( value && value.type ) {
visit( value, node, enter, leave, key, null );
}
}
if ( leave ) {
leave( node, parent, prop, index );
}
}
exports.walk = walk;
exports.childKeys = childKeys;
Object.defineProperty(exports, '__esModule', { value: true });
})));
//# sourceMappingURL=estree-walker.umd.js.map
Version data entries
7 entries across 7 versions & 3 rubygems