1 | ;
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2 | Object.defineProperty(exports, "__esModule", { value: true });
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3 | exports.MetricSet = exports.allMetricsGraphJson = void 0;
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4 | const drop_empty_object_at_the_end_of_an_array_token_1 = require("./drop-empty-object-at-the-end-of-an-array-token");
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5 | const env_tokens_1 = require("./env-tokens");
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6 | const metric_util_1 = require("./metric-util");
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7 | const object_1 = require("./object");
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8 | /**
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9 | * Return the JSON structure which represents these metrics in a graph.
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10 | *
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11 | * Depending on the metric type (stat or expression), one `Metric` object
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12 | * can render to multiple time series.
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13 | *
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14 | * - Top-level metrics will be rendered visibly, additionally added metrics will
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15 | * be rendered invisibly.
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16 | * - IDs used in math expressions need to be either globally unique, or refer to the same
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17 | * metric object.
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18 | *
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19 | * This will be called by GraphWidget, no need for clients to call this.
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20 | */
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21 | function allMetricsGraphJson(left, right) {
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22 | // Add metrics to a set which will automatically expand them recursively,
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23 | // making sure to retain conflicting the visible one on conflicting metrics objects.
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24 | const mset = new MetricSet();
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25 | mset.addTopLevel('left', ...left);
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26 | mset.addTopLevel('right', ...right);
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27 | // Render all metrics from the set.
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28 | return mset.entries.map(entry => new drop_empty_object_at_the_end_of_an_array_token_1.DropEmptyObjectAtTheEndOfAnArray(metricGraphJson(entry.metric, entry.tag, entry.id)));
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29 | }
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30 | exports.allMetricsGraphJson = allMetricsGraphJson;
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31 | function metricGraphJson(metric, yAxis, id) {
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32 | const config = metric.toMetricConfig();
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33 | const ret = [];
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34 | const options = { ...config.renderingProperties };
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35 | metric_util_1.dispatchMetric(metric, {
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36 | withStat(stat) {
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37 | ret.push(stat.namespace, stat.metricName);
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38 | // Dimensions
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39 | for (const dim of (stat.dimensions || [])) {
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40 | ret.push(dim.name, dim.value);
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41 | }
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42 | // Metric attributes that are rendered to graph options
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43 | if (stat.account) {
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44 | options.accountId = env_tokens_1.accountIfDifferentFromStack(stat.account);
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45 | }
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46 | if (stat.region) {
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47 | options.region = env_tokens_1.regionIfDifferentFromStack(stat.region);
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48 | }
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49 | if (stat.period && stat.period.toSeconds() !== 300) {
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50 | options.period = stat.period.toSeconds();
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51 | }
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52 | if (stat.statistic && stat.statistic !== 'Average') {
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53 | options.stat = stat.statistic;
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54 | }
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55 | },
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56 | withExpression(expr) {
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57 | options.expression = expr.expression;
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58 | if (expr.searchAccount) {
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59 | options.accountId = env_tokens_1.accountIfDifferentFromStack(expr.searchAccount);
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60 | }
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61 | if (expr.searchRegion) {
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62 | options.region = env_tokens_1.regionIfDifferentFromStack(expr.searchRegion);
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63 | }
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64 | if (expr.period && expr.period !== 300) {
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65 | options.period = expr.period;
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66 | }
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67 | },
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68 | });
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69 | // Options
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70 | if (!yAxis) {
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71 | options.visible = false;
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72 | }
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73 | if (yAxis !== 'left') {
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74 | options.yAxis = yAxis;
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75 | }
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76 | if (id) {
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77 | options.id = id;
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78 | }
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79 | if (options.visible !== false && options.expression && !options.label) {
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80 | // Label may be '' or undefined.
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81 | //
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82 | // If undefined, we'll render the expression as the label, to suppress
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83 | // the default behavior of CW where it would render the metric
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84 | // id as label, which we (inelegantly) generate to be something like "metric_alias0".
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85 | //
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86 | // For array expressions (returning more than 1 TS) users may sometimes want to
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87 | // suppress the label completely. For those cases, we'll accept the empty string,
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88 | // and not render a label at all.
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89 | options.label = options.label === '' ? undefined : metric.toString();
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90 | }
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91 | const renderedOpts = object_1.dropUndefined(options);
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92 | if (Object.keys(renderedOpts).length !== 0) {
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93 | ret.push(renderedOpts);
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94 | }
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95 | return ret;
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96 | }
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97 | /**
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98 | * Contain a set of metrics, expanding math expressions
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99 | *
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100 | * "Primary" metrics (added via a top-level call) can be tagged with an additional value.
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101 | */
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102 | class MetricSet {
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103 | constructor() {
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104 | this.metrics = new Array();
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105 | this.metricById = new Map();
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106 | this.metricByKey = new Map();
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107 | }
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108 | /**
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109 | * Add the given set of metrics to this set
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110 | */
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111 | addTopLevel(tag, ...metrics) {
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112 | for (const metric of metrics) {
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113 | this.addOne(metric, tag);
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114 | }
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115 | }
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116 | /**
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117 | * Access all the accumulated timeseries entries
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118 | */
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119 | get entries() {
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120 | return this.metrics;
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121 | }
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122 | /**
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123 | * Add a metric into the set
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124 | *
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125 | * The id may not be the same as a previous metric added, unless it's the same metric.
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126 | *
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127 | * It can be made visible, in which case the new "metric" object replaces the old
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128 | * one (and the new ones "renderingPropertieS" will be honored instead of the old
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129 | * one's).
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130 | */
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131 | addOne(metric, tag, id) {
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132 | const key = metric_util_1.metricKey(metric);
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133 | let existingEntry;
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134 | // Try lookup existing by id if we have one
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135 | if (id) {
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136 | existingEntry = this.metricById.get(id);
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137 | if (existingEntry && metric_util_1.metricKey(existingEntry.metric) !== key) {
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138 | throw new Error(`Cannot have two different metrics share the same id ('${id}') in one Alarm or Graph. Rename one of them.`);
|
139 | }
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140 | }
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141 | if (!existingEntry) {
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142 | // Try lookup by metric if we didn't find one by id
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143 | existingEntry = this.metricByKey.get(key);
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144 | // If the one we found already has an id, it must be different from the id
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145 | // we're trying to add and we want to add a new metric. Pretend we didn't
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146 | // find one.
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147 | if ((existingEntry === null || existingEntry === void 0 ? void 0 : existingEntry.id) && id) {
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148 | existingEntry = undefined;
|
149 | }
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150 | }
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151 | // Create a new entry if we didn't find one so far
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152 | let entry;
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153 | if (existingEntry) {
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154 | entry = existingEntry;
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155 | }
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156 | else {
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157 | entry = { metric };
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158 | this.metrics.push(entry);
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159 | this.metricByKey.set(key, entry);
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160 | }
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161 | // If it didn't have an id but now we do, add one
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162 | if (!entry.id && id) {
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163 | entry.id = id;
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164 | this.metricById.set(id, entry);
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165 | }
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166 | // If it didn't have a tag but now we do, add one
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167 | if (!entry.tag && tag) {
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168 | entry.tag = tag;
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169 | }
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170 | // Recurse and add children
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171 | const conf = metric.toMetricConfig();
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172 | if (conf.mathExpression) {
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173 | for (const [subId, subMetric] of Object.entries(conf.mathExpression.usingMetrics)) {
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174 | this.addOne(subMetric, undefined, subId);
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175 | }
|
176 | }
|
177 | }
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178 | }
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179 | exports.MetricSet = MetricSet;
|
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Top-level metrics will be rendered visibly, additionally added metrics will\n *   be rendered invisibly.\n * - IDs used in math expressions need to be either globally unique, or refer to the same\n *   metric object.\n *\n * This will be called by GraphWidget, no need for clients to call this.\n */\nexport function allMetricsGraphJson(left: IMetric[], right: IMetric[]): any[] {\n  // Add metrics to a set which will automatically expand them recursively,\n  // making sure to retain conflicting the visible one on conflicting metrics objects.\n  const mset = new MetricSet<string>();\n  mset.addTopLevel('left', ...left);\n  mset.addTopLevel('right', ...right);\n\n  // Render all metrics from the set.\n  return mset.entries.map(entry => new DropEmptyObjectAtTheEndOfAnArray(metricGraphJson(entry.metric, entry.tag, entry.id)));\n}\n\nfunction metricGraphJson(metric: IMetric, yAxis?: string, id?: string) {\n  const config = metric.toMetricConfig();\n\n  const ret: any[] = [];\n  const options: any = { ...config.renderingProperties };\n\n  dispatchMetric(metric, {\n    withStat(stat) {\n      ret.push(\n        stat.namespace,\n        stat.metricName,\n      );\n\n      // Dimensions\n      for (const dim of (stat.dimensions || [])) {\n        ret.push(dim.name, dim.value);\n      }\n\n      // Metric attributes that are rendered to graph options\n      if (stat.account) { options.accountId = accountIfDifferentFromStack(stat.account); }\n      if (stat.region) { options.region = regionIfDifferentFromStack(stat.region); }\n      if (stat.period && stat.period.toSeconds() !== 300) { options.period = stat.period.toSeconds(); }\n      if (stat.statistic && stat.statistic !== 'Average') { options.stat = stat.statistic; }\n    },\n\n    withExpression(expr) {\n      options.expression = expr.expression;\n      if (expr.searchAccount) { options.accountId = accountIfDifferentFromStack(expr.searchAccount); }\n      if (expr.searchRegion) { options.region = regionIfDifferentFromStack(expr.searchRegion); }\n      if (expr.period && expr.period !== 300) { options.period = expr.period; }\n    },\n  });\n\n  // Options\n  if (!yAxis) { options.visible = false; }\n  if (yAxis !== 'left') { options.yAxis = yAxis; }\n  if (id) { options.id = id; }\n\n  if (options.visible !== false && options.expression && !options.label) {\n    // Label may be '' or undefined.\n    //\n    // If undefined, we'll render the expression as the label, to suppress\n    // the default behavior of CW where it would render the metric\n    // id as label, which we (inelegantly) generate to be something like \"metric_alias0\".\n    //\n    // For array expressions (returning more than 1 TS) users may sometimes want to\n    // suppress the label completely. For those cases, we'll accept the empty string,\n    // and not render a label at all.\n    options.label = options.label === '' ? undefined : metric.toString();\n  }\n\n  const renderedOpts = dropUndefined(options);\n\n  if (Object.keys(renderedOpts).length !== 0) {\n    ret.push(renderedOpts);\n  }\n  return ret;\n}\n\n/**\n * A single metric in a MetricSet\n */\nexport interface MetricEntry<A> {\n  /**\n   * The metric object\n   */\n  readonly metric: IMetric;\n\n  /**\n   * The tag, added if the object is a primary metric\n   */\n  tag?: A;\n\n  /**\n   * ID for this metric object\n   */\n  id?: string;\n}\n\n/**\n * Contain a set of metrics, expanding math expressions\n *\n * \"Primary\" metrics (added via a top-level call) can be tagged with an additional value.\n */\nexport class MetricSet<A> {\n  private readonly metrics = new Array<MetricEntry<A>>();\n  private readonly metricById = new Map<string, MetricEntry<A>>();\n  private readonly metricByKey = new Map<string, MetricEntry<A>>();\n\n  /**\n   * Add the given set of metrics to this set\n   */\n  public addTopLevel(tag: A, ...metrics: IMetric[]) {\n    for (const metric of metrics) {\n      this.addOne(metric, tag);\n    }\n  }\n\n  /**\n   * Access all the accumulated timeseries entries\n   */\n  public get entries(): ReadonlyArray<MetricEntry<A>> {\n    return this.metrics;\n  }\n\n  /**\n   * Add a metric into the set\n   *\n   * The id may not be the same as a previous metric added, unless it's the same metric.\n   *\n   * It can be made visible, in which case the new \"metric\" object replaces the old\n   * one (and the new ones \"renderingPropertieS\" will be honored instead of the old\n   * one's).\n   */\n  private addOne(metric: IMetric, tag?: A, id?: string) {\n    const key = metricKey(metric);\n\n    let existingEntry: MetricEntry<A> | undefined;\n\n    // Try lookup existing by id if we have one\n    if (id) {\n      existingEntry = this.metricById.get(id);\n      if (existingEntry && metricKey(existingEntry.metric) !== key) {\n        throw new Error(`Cannot have two different metrics share the same id ('${id}') in one Alarm or Graph. Rename one of them.`);\n      }\n    }\n\n    if (!existingEntry) {\n      // Try lookup by metric if we didn't find one by id\n      existingEntry = this.metricByKey.get(key);\n\n      // If the one we found already has an id, it must be different from the id\n      // we're trying to add and we want to add a new metric. Pretend we didn't\n      // find one.\n      if (existingEntry?.id && id) { existingEntry = undefined; }\n    }\n\n    // Create a new entry if we didn't find one so far\n    let entry;\n    if (existingEntry) {\n      entry = existingEntry;\n    } else {\n      entry = { metric };\n      this.metrics.push(entry);\n      this.metricByKey.set(key, entry);\n    }\n\n    // If it didn't have an id but now we do, add one\n    if (!entry.id && id) {\n      entry.id = id;\n      this.metricById.set(id, entry);\n    }\n\n    // If it didn't have a tag but now we do, add one\n    if (!entry.tag && tag) {\n      entry.tag = tag;\n    }\n\n    // Recurse and add children\n    const conf = metric.toMetricConfig();\n    if (conf.mathExpression) {\n      for (const [subId, subMetric] of Object.entries(conf.mathExpression.usingMetrics)) {\n        this.addOne(subMetric, undefined, subId);\n      }\n    }\n  }\n}\n"]} |
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