ogonkov
Showing 2 of 5 files from the diff.
@@ -167,12 +167,58 @@
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| 167 | 167 | ||
| 168 | 168 | exports.isObject = isObject; |
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| 169 | 169 | ||
| 170 | - | function groupBy(obj, val) { |
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| 170 | + | /** |
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| 171 | + | * @param {string|number} attr |
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| 172 | + | * @returns {(string|number)[]} |
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| 173 | + | * @private |
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| 174 | + | */ |
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| 175 | + | function _prepareAttributeParts(attr) { |
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| 176 | + | if (!attr) { |
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| 177 | + | return []; |
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| 178 | + | } |
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| 179 | + | ||
| 180 | + | if (typeof attr === 'string') { |
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| 181 | + | return attr.split('.'); |
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| 182 | + | } |
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| 183 | + | ||
| 184 | + | return [attr]; |
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| 185 | + | } |
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| 186 | + | ||
| 187 | + | /** |
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| 188 | + | * @param {string} attribute Attribute value. Dots allowed. |
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| 189 | + | * @returns {function(Object): *} |
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| 190 | + | */ |
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| 191 | + | function getAttrGetter(attribute) { |
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| 192 | + | const parts = _prepareAttributeParts(attribute); |
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| 193 | + | ||
| 194 | + | return function attrGetter(item) { |
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| 195 | + | let _item = item; |
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| 196 | + | ||
| 197 | + | for (let i = 0; i < parts.length; i++) { |
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| 198 | + | const part = parts[i]; |
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| 199 | + | ||
| 200 | + | // If item is not an object, and we still got parts to handle, it means |
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| 201 | + | // that something goes wrong. Just roll out to undefined in that case. |
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| 202 | + | if (hasOwnProp(_item, part)) { |
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| 203 | + | _item = _item[part]; |
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| 204 | + | } else { |
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| 205 | + | return undefined; |
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| 206 | + | } |
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| 207 | + | } |
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| 208 | + | ||
| 209 | + | return _item; |
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| 210 | + | }; |
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| 211 | + | } |
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| 212 | + | ||
| 213 | + | function groupBy(obj, val, throwOnUndefined) { |
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| 171 | 214 | const result = {}; |
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| 172 | - | const iterator = isFunction(val) ? val : (o) => o[val]; |
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| 215 | + | const iterator = isFunction(val) ? val : getAttrGetter(val); |
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| 173 | 216 | for (let i = 0; i < obj.length; i++) { |
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| 174 | 217 | const value = obj[i]; |
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| 175 | 218 | const key = iterator(value, i); |
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| 219 | + | if (key === undefined && throwOnUndefined === true) { |
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| 220 | + | throw new TypeError(`groupby: attribute "${val}" resolved to undefined`); |
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| 221 | + | } |
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| 176 | 222 | (result[key] || (result[key] = [])).push(value); |
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| 177 | 223 | } |
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| 178 | 224 | return result; |
| Files | Coverage |
|---|---|
| nunjucks | 89.65% |
| Project Totals (22 files) | 89.65% |
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Sunburst
The inner-most circle is the entire project, moving away from the center are folders then, finally, a single file.
The size and color of each slice is representing the number of statements and the coverage, respectively.
Icicle
The top section represents the entire project. Proceeding with folders and finally individual files.
The size and color of each slice is representing the number of statements and the coverage, respectively.
