kpdecker
68 lines
1.7 KiB
JavaScript
68 lines
1.7 KiB
JavaScript
var Handlebars = require("./base");
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// BEGIN(BROWSER)
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var errorProps = ['description', 'fileName', 'lineNumber', 'message', 'name', 'number', 'stack'];
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Handlebars.Exception = function(message) {
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var tmp = Error.prototype.constructor.apply(this, arguments);
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// Unfortunately errors are not enumerable in Chrome (at least), so `for prop in tmp` doesn't work.
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for (var idx = 0; idx < errorProps.length; idx++) {
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this[errorProps[idx]] = tmp[errorProps[idx]];
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}
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};
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Handlebars.Exception.prototype = new Error();
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// Build out our basic SafeString type
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Handlebars.SafeString = function(string) {
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this.string = string;
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};
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Handlebars.SafeString.prototype.toString = function() {
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return this.string.toString();
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};
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(function() {
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var escape = {
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"&": "&",
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"<": "<",
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">": ">",
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'"': """,
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"'": "'",
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"`": "`"
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};
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var badChars = /[&<>"'`]/g;
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var possible = /[&<>"'`]/;
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var escapeChar = function(chr) {
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return escape[chr] || "&";
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};
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Handlebars.Utils = {
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escapeExpression: function(string) {
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// don't escape SafeStrings, since they're already safe
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if (string instanceof Handlebars.SafeString) {
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return string.toString();
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} else if (string == null || string === false) {
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return "";
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}
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if(!possible.test(string)) { return string; }
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return string.replace(badChars, escapeChar);
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},
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isEmpty: function(value) {
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if (!value && value !== 0) {
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return true;
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} else if(Object.prototype.toString.call(value) === "[object Array]" && value.length === 0) {
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return true;
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} else {
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return false;
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}
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}
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};
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})();
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// END(BROWSER)
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