06cdb74279
- property access to `null` & `undefined` always has side effects - utilise `reduce_vars` to determine safe property access - may-be cases treated as side effects unless `unsafe`
86 lines
1.5 KiB
JavaScript
86 lines
1.5 KiB
JavaScript
side_effects: {
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options = {
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pure_getters: true,
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reduce_vars: false,
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side_effects: true,
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toplevel: true,
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unsafe: false,
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}
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input: {
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var a, b = null, c = {};
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a.prop;
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b.prop;
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c.prop;
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d.prop;
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null.prop;
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(void 0).prop;
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undefined.prop;
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}
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expect: {
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var a, b = null, c = {};
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a.prop;
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b.prop;
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c.prop;
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d.prop;
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null.prop;
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(void 0).prop;
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(void 0).prop;
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}
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}
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side_effects_reduce_vars: {
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options = {
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pure_getters: true,
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reduce_vars: true,
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side_effects: true,
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toplevel: true,
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unsafe: false,
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}
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input: {
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var a, b = null, c = {};
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a.prop;
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b.prop;
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c.prop;
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d.prop;
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null.prop;
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(void 0).prop;
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undefined.prop;
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}
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expect: {
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var a, b = null, c = {};
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a.prop;
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b.prop;
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d.prop;
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null.prop;
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(void 0).prop;
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(void 0).prop;
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}
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}
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side_effects_unsafe: {
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options = {
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pure_getters: true,
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reduce_vars: false,
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side_effects: true,
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toplevel: true,
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unsafe: true,
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}
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input: {
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var a, b = null, c = {};
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a.prop;
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b.prop;
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c.prop;
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d.prop;
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null.prop;
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(void 0).prop;
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undefined.prop;
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}
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expect: {
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var a, b = null, c = {};
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d;
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null.prop;
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(void 0).prop;
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(void 0).prop;
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}
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}
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