27 lines
713 B
JavaScript
27 lines
713 B
JavaScript
|
"use strict";
|
||
|
|
|
||
|
|
var isCallable = require("../object/is-callable")
|
||
|
|
, value = require("../object/valid-value")
|
||
|
|
, call = Function.prototype.call;
|
||
|
|
|
||
|
|
module.exports = function (fmap) {
|
||
|
|
fmap = Object(value(fmap));
|
||
|
|
return function (pattern) {
|
||
|
|
var context = this;
|
||
|
|
value(context);
|
||
|
|
pattern = String(pattern);
|
||
|
|
return pattern.replace(
|
||
|
|
/%([a-zA-Z]+)|\\([\u0000-\uffff])/g,
|
||
|
|
function (match, token, escapeChar) {
|
||
|
|
var t, result;
|
||
|
|
if (escapeChar) return escapeChar;
|
||
|
|
t = token;
|
||
|
|
while (t && !(result = fmap[t])) t = t.slice(0, -1);
|
||
|
|
if (!result) return match;
|
||
|
|
if (isCallable(result)) result = call.call(result, context);
|
||
|
|
return result + token.slice(t.length);
|
||
|
|
}
|
||
|
|
);
|
||
|
|
};
|
||
|
|
};
|