Bones/node_modules/string-template/index.js

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2017-05-17 13:45:25 -04:00
var nargs = /\{([0-9a-zA-Z_]+)\}/g
module.exports = template
function template(string) {
var args
if (arguments.length === 2 && typeof arguments[1] === "object") {
args = arguments[1]
} else {
args = new Array(arguments.length - 1)
for (var i = 1; i < arguments.length; ++i) {
args[i - 1] = arguments[i]
}
}
if (!args || !args.hasOwnProperty) {
args = {}
}
return string.replace(nargs, function replaceArg(match, i, index) {
var result
if (string[index - 1] === "{" &&
string[index + match.length] === "}") {
return i
} else {
result = args.hasOwnProperty(i) ? args[i] : null
if (result === null || result === undefined) {
return ""
}
return result
}
})
}