Question 1

How do I handle internationalization with SynMustache?

Accepted Answer

Use pseudo-variables like {{"text}} in templates, which trigger a translation callback. Define a procedure to map English text to other languages, as shown in the sample code for translating 'Hello' to 'Bonjour' during rendering.

Question 2

Can I use SynMustache without the mORMot framework?

Accepted Answer

Yes, it can be used standalone by including SynMustache.pas and SynCommons.pas, but it still relies on SynCommons from the Synopse repository, so you need those files even if you avoid mORMot's other features.

Question 3

SynMustache vs. Delphi's built-in templating: which is better for web apps?

Accepted Answer

SynMustache offers strict Mustache compliance and performance optimizations, ideal for MVC separation in web apps, while Delphi's native solutions like TTemplate may be simpler but lack standardization and SynMustache's extensions for complex scenarios.

Question 4

How to render a numbered list in SynMustache templates?

Accepted Answer

Use the {{-index}} pseudo-variable within a section. For example, in a {{#things}} loop, {{-index}}. {{.}} outputs items with sequential numbers, as demonstrated in the sample code for 'My favorite things'.

Question 5

Is SynMustache thread-safe for multi-threaded servers?

Accepted Answer

Yes, each parsed TSynMustache instance is thread-safe and re-entrant, allowing concurrent rendering from multiple threads without additional synchronization, which is crucial for high-traffic web applications.

Question 6

What are expression helpers in SynMustache and how do I use them?

Accepted Answer

Expression helpers like {{if value<=>value}} add conditional logic to sections. You can define custom helpers by extending the TSynMustache class, but this requires understanding of Delphi variants and the SOLID design principles outlined in the README.

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