Deferring Template Literal Evaluation in ES6: A Comprehensive Examination
In the realm of ES6, template literals have emerged as a syntax sugar for string formatting, promising to simplify the process of constructing complex strings. However, one potential pitfall arises when utilizing a prototype method to format template literals. This is due to the premature evaluation of the literal before it's passed to the method.
Three Approaches to Deferring Evaluation:
To address this issue, there are three viable approaches:
- Embrace Template Literal Intuition: Utilize template strings as intended, without employing any external format function. This approach aligns with the design philosophy behind template literals, maintaining simplicity and avoiding unnecessary complexity.
- Revert to Plain String Literals: Instead of using template literals, opt for plain string literals. Employ the String.prototype.format function with matching regular expressions to replace placeholder variables. This approach retains the flexibility of formatting while avoiding the premature evaluation issue.
- Harness Tagged Template Literals: Tagged template literals provide another avenue for manipulating strings. However, it's worth noting that substitutions are still evaluated unconditionally within the handler, rendering it unsuitable for scenarios where deferral is essential.
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