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58 lines
1.4 KiB
JavaScript
58 lines
1.4 KiB
JavaScript
'use strict';
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var DiagramRenderer = require('power-assert-renderer-diagram');
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var inherits = require('util').inherits;
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var some = require('core-js/library/fn/array/some');
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/**
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* options.stringify [function]
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* options.maxDepth [number]
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* options.lineSeparator [string]
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* options.anonymous [string]
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* options.circular [string]
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*
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* options.widthOf [function]
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* options.ambiguousEastAsianCharWidth [number]
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*/
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function SuccinctRenderer (config) {
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DiagramRenderer.call(this, config);
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}
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inherits(SuccinctRenderer, DiagramRenderer);
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SuccinctRenderer.prototype.onData = function (esNode) {
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if (!esNode.isCaptured) {
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return;
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}
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if (withinMemberExpression(esNode)) {
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return;
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}
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this.dumpIfSupported(esNode);
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};
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SuccinctRenderer.prototype.dumpIfSupported = function (esNode) {
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switch(esNode.node.type) {
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case 'Identifier':
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case 'MemberExpression':
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case 'CallExpression':
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this.events.push({value: esNode.value, leftIndex: esNode.range[0]});
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break;
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}
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};
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function withinMemberExpression (esNode) {
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var ancestors = collectAncestors([], esNode.parent);
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return some(ancestors, function (eachNode) {
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return eachNode.node.type === 'MemberExpression';
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});
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}
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function collectAncestors (ary, esNode) {
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if (!esNode) {
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return ary;
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}
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ary.push(esNode);
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return collectAncestors(ary, esNode.parent);
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}
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module.exports = SuccinctRenderer;
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