mirror of
https://github.com/gradle/gradle-build-action.git
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323 lines
8.9 KiB
JavaScript
Executable File
323 lines
8.9 KiB
JavaScript
Executable File
module.exports = Traverse;
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function Traverse (obj) {
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if (!(this instanceof Traverse)) return new Traverse(obj);
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this.value = obj;
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}
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Traverse.prototype.get = function (ps) {
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var node = this.value;
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for (var i = 0; i < ps.length; i ++) {
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var key = ps[i];
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if (!Object.hasOwnProperty.call(node, key)) {
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node = undefined;
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break;
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}
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node = node[key];
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}
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return node;
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};
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Traverse.prototype.set = function (ps, value) {
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var node = this.value;
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for (var i = 0; i < ps.length - 1; i ++) {
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var key = ps[i];
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if (!Object.hasOwnProperty.call(node, key)) node[key] = {};
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node = node[key];
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}
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node[ps[i]] = value;
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return value;
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};
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Traverse.prototype.map = function (cb) {
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return walk(this.value, cb, true);
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};
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Traverse.prototype.forEach = function (cb) {
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this.value = walk(this.value, cb, false);
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return this.value;
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};
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Traverse.prototype.reduce = function (cb, init) {
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var skip = arguments.length === 1;
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var acc = skip ? this.value : init;
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this.forEach(function (x) {
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if (!this.isRoot || !skip) {
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acc = cb.call(this, acc, x);
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}
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});
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return acc;
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};
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Traverse.prototype.deepEqual = function (obj) {
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if (arguments.length !== 1) {
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throw new Error(
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'deepEqual requires exactly one object to compare against'
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);
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}
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var equal = true;
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var node = obj;
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this.forEach(function (y) {
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var notEqual = (function () {
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equal = false;
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//this.stop();
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return undefined;
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}).bind(this);
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//if (node === undefined || node === null) return notEqual();
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if (!this.isRoot) {
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/*
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if (!Object.hasOwnProperty.call(node, this.key)) {
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return notEqual();
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}
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*/
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if (typeof node !== 'object') return notEqual();
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node = node[this.key];
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}
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var x = node;
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this.post(function () {
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node = x;
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});
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var toS = function (o) {
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return Object.prototype.toString.call(o);
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};
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if (this.circular) {
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if (Traverse(obj).get(this.circular.path) !== x) notEqual();
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}
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else if (typeof x !== typeof y) {
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notEqual();
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}
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else if (x === null || y === null || x === undefined || y === undefined) {
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if (x !== y) notEqual();
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}
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else if (x.__proto__ !== y.__proto__) {
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notEqual();
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}
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else if (x === y) {
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// nop
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}
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else if (typeof x === 'function') {
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if (x instanceof RegExp) {
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// both regexps on account of the __proto__ check
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if (x.toString() != y.toString()) notEqual();
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}
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else if (x !== y) notEqual();
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}
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else if (typeof x === 'object') {
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if (toS(y) === '[object Arguments]'
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|| toS(x) === '[object Arguments]') {
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if (toS(x) !== toS(y)) {
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notEqual();
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}
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}
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else if (x instanceof Date || y instanceof Date) {
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if (!(x instanceof Date) || !(y instanceof Date)
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|| x.getTime() !== y.getTime()) {
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notEqual();
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}
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}
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else {
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var kx = Object.keys(x);
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var ky = Object.keys(y);
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if (kx.length !== ky.length) return notEqual();
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for (var i = 0; i < kx.length; i++) {
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var k = kx[i];
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if (!Object.hasOwnProperty.call(y, k)) {
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notEqual();
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}
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}
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}
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}
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});
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return equal;
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};
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Traverse.prototype.paths = function () {
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var acc = [];
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this.forEach(function (x) {
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acc.push(this.path);
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});
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return acc;
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};
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Traverse.prototype.nodes = function () {
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var acc = [];
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this.forEach(function (x) {
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acc.push(this.node);
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});
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return acc;
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};
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Traverse.prototype.clone = function () {
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var parents = [], nodes = [];
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return (function clone (src) {
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for (var i = 0; i < parents.length; i++) {
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if (parents[i] === src) {
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return nodes[i];
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}
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}
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if (typeof src === 'object' && src !== null) {
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var dst = copy(src);
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parents.push(src);
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nodes.push(dst);
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Object.keys(src).forEach(function (key) {
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dst[key] = clone(src[key]);
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});
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parents.pop();
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nodes.pop();
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return dst;
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}
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else {
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return src;
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}
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})(this.value);
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};
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function walk (root, cb, immutable) {
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var path = [];
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var parents = [];
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var alive = true;
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return (function walker (node_) {
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var node = immutable ? copy(node_) : node_;
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var modifiers = {};
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var state = {
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node : node,
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node_ : node_,
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path : [].concat(path),
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parent : parents.slice(-1)[0],
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key : path.slice(-1)[0],
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isRoot : path.length === 0,
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level : path.length,
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circular : null,
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update : function (x) {
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if (!state.isRoot) {
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state.parent.node[state.key] = x;
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}
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state.node = x;
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},
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'delete' : function () {
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delete state.parent.node[state.key];
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},
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remove : function () {
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if (Array.isArray(state.parent.node)) {
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state.parent.node.splice(state.key, 1);
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}
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else {
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delete state.parent.node[state.key];
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}
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},
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before : function (f) { modifiers.before = f },
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after : function (f) { modifiers.after = f },
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pre : function (f) { modifiers.pre = f },
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post : function (f) { modifiers.post = f },
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stop : function () { alive = false }
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};
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if (!alive) return state;
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if (typeof node === 'object' && node !== null) {
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state.isLeaf = Object.keys(node).length == 0;
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for (var i = 0; i < parents.length; i++) {
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if (parents[i].node_ === node_) {
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state.circular = parents[i];
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break;
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}
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}
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}
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else {
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state.isLeaf = true;
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}
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state.notLeaf = !state.isLeaf;
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state.notRoot = !state.isRoot;
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// use return values to update if defined
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var ret = cb.call(state, state.node);
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if (ret !== undefined && state.update) state.update(ret);
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if (modifiers.before) modifiers.before.call(state, state.node);
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if (typeof state.node == 'object'
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&& state.node !== null && !state.circular) {
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parents.push(state);
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var keys = Object.keys(state.node);
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keys.forEach(function (key, i) {
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path.push(key);
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if (modifiers.pre) modifiers.pre.call(state, state.node[key], key);
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var child = walker(state.node[key]);
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if (immutable && Object.hasOwnProperty.call(state.node, key)) {
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state.node[key] = child.node;
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}
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child.isLast = i == keys.length - 1;
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child.isFirst = i == 0;
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if (modifiers.post) modifiers.post.call(state, child);
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path.pop();
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});
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parents.pop();
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}
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if (modifiers.after) modifiers.after.call(state, state.node);
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return state;
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})(root).node;
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}
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Object.keys(Traverse.prototype).forEach(function (key) {
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Traverse[key] = function (obj) {
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var args = [].slice.call(arguments, 1);
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var t = Traverse(obj);
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return t[key].apply(t, args);
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};
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});
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function copy (src) {
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if (typeof src === 'object' && src !== null) {
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var dst;
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if (Array.isArray(src)) {
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dst = [];
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}
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else if (src instanceof Date) {
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dst = new Date(src);
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}
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else if (src instanceof Boolean) {
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dst = new Boolean(src);
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}
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else if (src instanceof Number) {
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dst = new Number(src);
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}
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else if (src instanceof String) {
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dst = new String(src);
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}
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else {
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dst = Object.create(Object.getPrototypeOf(src));
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}
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Object.keys(src).forEach(function (key) {
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dst[key] = src[key];
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});
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return dst;
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}
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else return src;
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}
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