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feat: describe conditional values #31252

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merged 5 commits into from
Mar 5, 2024
Merged

feat: describe conditional values #31252

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5917b79
refactor: describe an acceptable `if` value
deemp Jan 24, 2024
b46ddeb
Revert "refactor: describe an acceptable `if` value"
deemp Jan 26, 2024
596ce33
feat: explain coercion of falsy and truthy values
deemp Jan 26, 2024
174cfa5
Update content/actions/learn-github-actions/expressions.md
SiaraMist Mar 5, 2024
479d72e
Merge branch 'main' into refactor-explain-if-condition
SiaraMist Mar 5, 2024
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4 changes: 3 additions & 1 deletion content/actions/learn-github-actions/expressions.md
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Expand Up @@ -52,6 +52,8 @@ As part of an expression, you can use `boolean`, `null`, `number`, or `string` d
| `number` | Any number format supported by JSON. |
| `string` | You don't need to enclose strings in `{% raw %}${{{% endraw %}` and `{% raw %}}}{% endraw %}`. However, if you do, you must use single quotes (`'`) around the string. To use a literal single quote, escape the literal single quote using an additional single quote (`''`). Wrapping with double quotes (`"`) will throw an error. |

Note that in conditionals, falsy values (`false`, `0`, `-0`, `""`, `''`, `null`) are coerced to `false` and truthy (`true` and other non-falsy values) are coerced to `true`.

### Example of literals

{% raw %}
Expand Down Expand Up @@ -125,7 +127,7 @@ env:
{% endraw %}

In this example, we're using a ternary operator to set the value of the `MY_ENV_VAR` environment variable based on whether the {% data variables.product.prodname_dotcom %} reference is set to `refs/heads/main` or not. If it is, the variable is set to `value_for_main_branch`. Otherwise, it is set to `value_for_other_branches`.
It is important to note that the first value after the `&&` condition must be `truthy` otherwise the value after the `||` will always be returned.
It is important to note that the first value after the `&&` must be truthy. Otherwise, the value after the `||` will always be returned.

## Functions

Expand Down