8000 Core: Avoid redeclaring variables in util.clone (#1778) · PrismJS/prism@b06f532 · GitHub
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Core: Avoid redeclaring variables in util.clone (#1778)
This changes util.clone to be more readable and to avoid redeclaring the `clone` and `id` variables.
1 parent 289ddd9 commit b06f532

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3 files changed

+17
-15
lines changed

3 files changed

+17
-15
lines changed

‎components/prism-core.js

+8-7
Original file line numberDiff line numberDiff line change
@@ -45,16 +45,16 @@ var _ = _self.Prism = {
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// Deep clone a language definition (e.g. to extend it)
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clone: function deepClone(o, visited) {
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var type = _.util.type(o);
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var clone, id, type = _.util.type(o);
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visited = visited || {};
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switch (type) {
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case 'Object':
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var id = _.util.objId(o);
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id = _.util.objId(o);
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if (visited[id]) {
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return visited[id];
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}
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var clone = {};
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clone = {};
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visited[id] = clone;
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for (var key in o) {
@@ -66,21 +66,22 @@ var _ = _self.Prism = {
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return clone;
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case 'Array':
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var id = _.util.objId(o);
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id = _.util.objId(o);
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if (visited[id]) {
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return visited[id];
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}
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var clone = [];
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clone = [];
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visited[id] = clone;
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o.forEach(function (v, i) {
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clone[i] = deepClone(v, visited);
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});
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return clone;
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}
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return o;
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default:
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return o;
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}
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}
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},
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‎components/prism-core.min.js

+1-1
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‎prism.js

+8-7
Original file line numberDiff line numberDiff line change
@@ -50,16 +50,16 @@ var _ = _self.Prism = {
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// Deep clone a language definition (e.g. to extend it)
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clone: function deepClone(o, visited) {
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var type = _.util.type(o);
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var clone, id, type = _.util.type(o);
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visited = visited || {};
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switch (type) {
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case 'Object':
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var id = _.util.objId(o);
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id = _.util.objId(o);
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if (visited[id]) {
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return visited[id];
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}
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var clone = {};
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clone = {};
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visited[id] = clone;
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for (var key in o) {
@@ -71,21 +71,22 @@ var _ = _self.Prism = {
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return clone;
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case 'Array':
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var id = _.util.objId(o);
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id = _.util.objId(o);
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if (visited[id]) {
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return visited[id];
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}
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var clone = [];
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clone = [];
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visited[id] = clone;
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o.forEach(function (v, i) {
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clone[i] = deepClone(v, visited);
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});
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return clone;
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}
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return o;
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default:
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return o;
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}
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}
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},
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