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doc: modernize and fix code examples in util.md #13298

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1e46c08
doc: remove useless constructor in util.md
vsemozhetbyt May 30, 2017
73d5495
doc: use template literals in util.md
vsemozhetbyt May 30, 2017
dd02ded
doc: update code example in util.md
vsemozhetbyt May 30, 2017
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9 changes: 3 additions & 6 deletions doc/api/util.md
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Original file line number Diff line number Diff line change
Expand Up @@ -196,9 +196,6 @@ ES6 example using `class` and `extends`
const EventEmitter = require('events');

class MyStream extends EventEmitter {
constructor() {
super();
}
write(data) {
this.emit('data', data);
}
Expand Down Expand Up @@ -329,8 +326,8 @@ class Box {
// Five space padding because that's the size of "Box< ".
const padding = ' '.repeat(5);
const inner = util.inspect(this.value, newOptions)
.replace(/\n/g, '\n' + padding);
return options.stylize('Box', 'special') + '< ' + inner + ' >';
.replace(/\n/g, `\n${padding}`);
return `${options.stylize('Box', 'special')}< ${inner} >`;
}
}

Expand Down Expand Up @@ -392,7 +389,7 @@ option properties directly is also supported.

```js
const util = require('util');
const arr = Array(101);
const arr = Array(101).fill(0);

console.log(arr); // logs the truncated array
util.inspect.defaultOptions.maxArrayLength = null;
Expand Down