How to use amplify-velocity-template - 2 common examples
To help you get started, we’ve selected a few amplify-velocity-template examples, based on popular ways it is used in public projects.
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aws-amplify / amplify-cli / packages / amplify-appsync-simulator / src / velocity / index.ts View on Github 
constructor(template: AppSyncVTLTemplate, private simulatorContext: AmplifyAppSyncSimulator) {
try {
const ast = parse(template.content.toString());
this.compiler = new Compile(ast, {
valueMapper: map,
escape: false,
});
this.template = template;
} catch (e) {
const lineDetails = `${e.hash.line}:${e.hash.loc.first_column}`;
const fileName = template.path ? `${template.path}:${lineDetails}` : lineDetails;
const templateError = new VelocityTemplateParseError(`Error:Parse error on ${fileName} \n${e.message}`);
templateError.stack = e.stack;
throw templateError;
}
}
render(constructor(template: AppSyncVTLTemplate, private simulatorContext: AmplifyAppSyncSimulator) {
try {
const ast = parse(template.content.toString());
this.compiler = new Compile(ast, {
valueMapper: map,
escape: false,
});
this.template = template;
} catch (e) {
const lineDetails = `${e.hash.line}:${e.hash.loc.first_column}`;
const fileName = template.path ? `${template.path}:${lineDetails}` : lineDetails;
const templateError = new VelocityTemplateParseError(`Error:Parse error on ${fileName} \n${e.message}`);
templateError.stack = e.stack;
throw templateError;
}
}
render(amplify-velocity-template
Velocity Template Language(VTL) for JavaScript
