56 lines
1.3 KiB
JavaScript
56 lines
1.3 KiB
JavaScript
window.common = (function(global) {
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const {
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Rx: { Observable },
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common = { init: [] }
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} = global;
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const detectFunctionCall = /function\s*?\(|function\s+\w+\s*?\(/gi;
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const detectUnsafeJQ = /\$\s*?\(\s*?\$\s*?\)/gi;
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const detectUnsafeConsoleCall = /if\s\(null\)\sconsole\.log\(1\);/gi;
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common.detectUnsafeCode$ = function detectUnsafeCode$(code) {
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const openingComments = code.match(/\/\*/gi);
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const closingComments = code.match(/\*\//gi);
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// checks if the number of opening comments(/*) matches the number of
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// closing comments(*/)
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if (
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openingComments &&
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(
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!closingComments ||
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openingComments.length > closingComments.length
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)
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) {
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return Observable.throw(
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new Error('SyntaxError: Unfinished multi-line comment')
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);
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}
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if (code.match(detectUnsafeJQ)) {
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return Observable.throw(
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new Error('Unsafe $($)')
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);
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}
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if (
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code.match(/function/g) &&
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!code.match(detectFunctionCall)
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) {
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return Observable.throw(
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new Error('SyntaxError: Unsafe or unfinished function declaration')
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);
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}
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if (code.match(detectUnsafeConsoleCall)) {
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return Observable.throw(
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new Error('Invalid if (null) console.log(1); detected')
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);
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}
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return Observable.just(code);
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};
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return common;
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}(window));
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