Typescript seems to be having trouble with the '\n' new line character

While working on a TypeScript component, I encountered an issue where list items were not being displayed on separate lines despite adding a new line character (\n) in the code. The list items continued to display on the same line. I have shared the relevant code below for reference. Can you help me understand why this isn't working as expected?

https://i.sstatic.net/8cxli.png

Here is the TypeScript code snippet:

@Output() excludeDisplay: any = '';
@Output() includeDisplay: any = '';
includeValues: any = '';
excludeValues: any = '';

this.includeValues += this.merId + ',' + this.explodeStatus + '\n';
console.log("include values are "+ this.includeValues);
this.excludeValues += this.merId + ',' + this.explodeStatus + '\n';
console.log("exclude values are "+ this.excludeValues);
this.includeDisplay = this.includeValues;
this.excludeDisplay = this.excludeValues;

And here is the corresponding HTML code:

<ul id="excludedUl" required>{{ excludeDisplay }}</ul>
<ul id="includedUl" required>{{ includeDisplay }}</ul>

Lastly, the CSS styles applied are as follows:

#includedUl {
  float: right;
  width: 33%;
}

#excludedUl {
  float: right;
  width: 33%;
}

Answer №1

To ensure a specific width:

<div style="width: 500px; white-space: pre-line">{{content}}</div>

When working with typescript, utilize '\n' for line breaks.

Answer №2

\n is not responsible for creating a line break in html.
You must either use a <br/> tag or enclose your text in a block element.

this.includeValues += this.merId + ',' + this.explodeStatus + '<br/>';
this.excludeValues += this.merId + ',' + this.explodeStatus + '<br/>';

Alternatively,

this.includeValues += '<div>' + this.merId + ',' + this.explodeStatus + '</div>';
this.excludeValues += '<div>' + this.merId + ',' + this.explodeStatus + '</div>';

Answer №3

To ensure that information is properly displayed in HTML, consider utilizing the CSS property white-space. Specifically, if you want to break lines at each '\n' character, you can use white-space: pre-line; as suggested here. For more detailed documentation on this topic, you can refer to MDN.

Answer №4

For those who still require the original text containing \n for other purposes, a solution could be to utilize the Str.replace method in JavaScript. This method can help replace all instances of \n with <br/>, ensuring that the template functions as intended. Here's an example:

this.includeDisplay = this.includeValues.replace(/\n/g, '<br />');

More information can be found in the MDN docs.

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