| 1 | var omit = require("lodash/omit");
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| 2 | var through = require("through2");
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| 3 | var assign = require("lodash/assign");
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| 4 | var includes = require("lodash/includes");
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| 5 |
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| 6 | module.exports = function() {
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| 7 | return through.obj(function(data, enc, done) {
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| 8 | try {
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| 9 | done(null, filterGraph(data));
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| 10 | } catch (err) {
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| 11 | done(err);
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| 12 | }
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| 13 | });
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| 14 | };
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| 15 |
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| 16 | function isStealConditional(name) {
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| 17 | return includes(name, "steal-conditional/conditional");
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| 18 | }
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| 19 |
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| 20 | function filterGraph(data) {
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| 21 | var graph = data.graph;
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| 22 |
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| 23 | var configMain = data.loader.configMain;
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| 24 | var configNode = graph[configMain];
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| 25 | var blackList = [];
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| 26 |
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| 27 | configNode.dependencies.forEach(function visit(name) {
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| 28 | if (!isStealConditional(name) && !includes(blackList, name)) {
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| 29 | blackList.push(name);
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| 30 |
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| 31 | if (graph[name]) {
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| 32 | (graph[name].dependencies || []).forEach(visit);
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| 33 | }
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| 34 | }
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| 35 | });
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| 36 |
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| 37 | return assign({}, omit(data, "graph"), { graph: omit(graph, blackList) });
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| 38 | }
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