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fix(es/minifier): use numeric literals for non-finite values
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Lines changed: 938 additions & 764 deletions

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‎.changeset/canonicalize-non-finite-numbers.md‎

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---
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swc: patch
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swc_core: patch
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swc_ecma_minifier: patch
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swc_ecma_transforms_optimization: patch
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swc_ecma_utils: patch
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---
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fix(es/minifier): Use numeric literals for non-finite values during optimization.

‎crates/swc/tests/tsc-references/computedPropertyNamesContextualType10_ES5.2.minified.js‎

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//// [computedPropertyNamesContextualType10_ES5.ts]
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var _obj;
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import { _ as _define_property } from "@swc/helpers/_/_define_property";
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_define_property(_obj = {}, NaN, ""), _define_property(_obj, NaN, 0);
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_define_property(_obj = {}, 0 / 0, ""), _define_property(_obj, 0 / 0, 0);

‎crates/swc/tests/tsc-references/computedPropertyNamesContextualType2_ES5.2.minified.js‎

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//// [computedPropertyNamesContextualType2_ES5.ts]
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var _obj;
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import { _ as _define_property } from "@swc/helpers/_/_define_property";
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_define_property(_obj = {}, NaN, function(y) {
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_define_property(_obj = {}, 0 / 0, function(y) {
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return y.length;
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}), _define_property(_obj, NaN, function(y) {
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}), _define_property(_obj, 0 / 0, function(y) {
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return y.length;
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});

‎crates/swc/tests/tsc-references/computedPropertyNamesContextualType3_ES5.2.minified.js‎

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//// [computedPropertyNamesContextualType3_ES5.ts]
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var _obj;
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import { _ as _define_property } from "@swc/helpers/_/_define_property";
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_define_property(_obj = {}, NaN, function(y) {
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_define_property(_obj = {}, 0 / 0, function(y) {
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return y.length;
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}), _define_property(_obj, NaN, function(y) {
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}), _define_property(_obj, 0 / 0, function(y) {
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return y.length;
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});

‎crates/swc/tests/tsc-references/computedPropertyNamesContextualType5_ES5.2.minified.js‎

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//// [computedPropertyNamesContextualType5_ES5.ts]
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var _obj;
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import { _ as _define_property } from "@swc/helpers/_/_define_property";
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_define_property(_obj = {}, NaN, ""), _define_property(_obj, NaN, 0);
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_define_property(_obj = {}, 0 / 0, ""), _define_property(_obj, 0 / 0, 0);

‎crates/swc/tests/tsc-references/computedPropertyNamesContextualType6_ES5.2.minified.js‎

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foo((_define_property(_obj = {
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p: "",
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0: function() {}
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}, "hibye", !0), _define_property(_obj, 1, 0), _define_property(_obj, NaN, [
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}, "hibye", !0), _define_property(_obj, 1, 0), _define_property(_obj, 0 / 0, [
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0
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]), _obj));

‎crates/swc/tests/tsc-references/computedPropertyNamesContextualType6_ES6.2.minified.js‎

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0: ()=>{},
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hibye: !0,
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1: 0,
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[NaN]: [
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NaN: [
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0
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]
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});

‎crates/swc/tests/tsc-references/computedPropertyNamesContextualType7_ES5.2.minified.js‎

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import { _ as _define_property } from "@swc/helpers/_/_define_property";
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foo((_define_property(_obj = {
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0: function() {}
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}, "hibye", !0), _define_property(_obj, 1, 0), _define_property(_obj, NaN, [
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}, "hibye", !0), _define_property(_obj, 1, 0), _define_property(_obj, 0 / 0, [
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0
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]), _obj)), g({
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p: ""

‎crates/swc/tests/tsc-references/computedPropertyNamesContextualType7_ES6.2.minified.js‎

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0: ()=>{},
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hibye: !0,
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1: 0,
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[NaN]: [
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NaN: [
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0
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]
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}), g({

‎crates/swc/tests/tsc-references/computedPropertyNamesContextualType9_ES5.2.minified.js‎

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//// [computedPropertyNamesContextualType9_ES5.ts]
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var _obj;
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import { _ as _define_property } from "@swc/helpers/_/_define_property";
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_define_property(_obj = {}, NaN, ""), _define_property(_obj, NaN, 0);
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_define_property(_obj = {}, 0 / 0, ""), _define_property(_obj, 0 / 0, 0);

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