function appendInlineConditional(view, inverted, helperName, params) {
Ember.assert(
"The inline form of the `if` and `unless` helpers expect two or " +
"three arguments, e.g. `{{if trialExpired 'Expired' expiryDate}}` " +
"or `{{unless isFirstLogin 'Welcome back!'}}`.",
params.length === 2 || params.length === 3
);
return conditional(
shouldDisplay(params[0]),
inverted ? params[2] : params[1],
inverted ? params[1] : params[2]
);
}
/**
See [boundIf](/api/classes/Ember.Handlebars.helpers.html#method_boundIf)
and [unboundIf](/api/classes/Ember.Handlebars.helpers.html#method_unboundIf)
@method if
@for Ember.Handlebars.helpers
@param {Function} context
@param {Hash} options
@return {String} HTML string
*/
function ifHelper(params, hash, options, env) {
Ember.assert("If helper in block form expect exactly one argument", !options.template || params.length === 1);
if (Ember.FEATURES.isEnabled('ember-htmlbars-inline-if-helper')) {
if (!options.template) {
_inlineIfAssertion(params);
var condition = params[0];
var truthy = params[1];
var falsy = params[2];
return conditional(shouldDisplay(condition), truthy, falsy);
}
}
options.inverse = options.inverse || emptyTemplate;
options.helperName = options.helperName || ('if ');
if (env.data.isUnbound) {
env.data.isUnbound = false;
return env.helpers.unboundIf.helperFunction.call(this, params, hash, options, env);
} else {
return env.helpers.boundIf.helperFunction.call(this, params, hash, options, env);
}
}