Mirror: The magical sticky regex-based parser generator 🧙
Use RegExp#test instead of #exec
+10
-5
+10
-5
src/core.js
+10
-5
src/core.js
···
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let match;
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if (isStickySupported) {
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pattern.lastIndex = state.index;
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-
match = pattern.exec(state.input);
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-
state.index = pattern.lastIndex;
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+
if (pattern.test(state.input)) {
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match = state.input.slice(state.index, pattern.lastIndex);
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state.index = pattern.lastIndex;
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+
}
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} else {
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pattern.lastIndex = 0;
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-
match = pattern.exec(state.input.slice(state.input));
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-
state.index += pattern.lastIndex;
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+
if (pattern.test(state.input.slice(state.index))) {
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const lastIndex = state.index + pattern.lastIndex;
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match = state.input.slice(state.index, lastIndex);
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state.index = lastIndex;
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+
}
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}
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-
return match && match[0];
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+
return match;
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};
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export const tag = (array, tag) => {