hablo/share/js/Template.js

35 lines
819 B
JavaScript

import blog from Hablo.Config;
return {
render: render
};
function render(template, environment) {
if(blog.wording[template] != undefined) {
var template = blog.wording[template];
}
template = template.replace(/{\?((?:[^?]|\?[^}])*)\?}/g, renderSub(environment));
var failed = [false];
var result = template.replace(
/([^$]|^)\$(?:{(\w+)}|(\w+)\b)/g,
substitute(environment, failed)
);
return failed[0] ? null : result;
}
function renderSub(environment) {
return function(_, sub) {
return render(sub, environment) || '';
};
}
function substitute(environment, failed) {
return function(_, before, bracketed, raw) {
var replaced = environment[bracketed || raw];
if(replaced != undefined) {
return before + replaced;
} else {
failed[0] = true;
}
}
}