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feat(es/minifier): Detect type of .length (#6120)

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**Description:**

This PR updates minifier to detect the type of `xxx.length` if possible.
This commit is contained in:
Donny/강동윤 2022-10-12 08:06:58 +09:00 committed by GitHub
parent bc4668338b
commit ad960c76c0
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26 changed files with 136 additions and 122 deletions
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2
crates/swc/tests/vercel/full-compact/d3-color/1/output/index.js vendored
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@ -1 +1 @@
import t from"@swc/helpers/src/_instanceof.mjs";import{Color as i,rgbConvert as e,Rgb as h}from"./color.js";var r=Math.PI/180,n=180/Math.PI,s=-1.78277*.29227-.1347134789;export default function o(i,r,o,a){return 1===arguments.length?function(i){if(t(i,Cubehelix))return new Cubehelix(i.h,i.s,i.l,i.opacity);t(i,h)||(i=e(i));var r=i.r/255,o=i.g/255,a=i.b/255,u=(s*a+-1.7884503806*r-3.5172982438*o)/(s+-1.7884503806-3.5172982438),c=a-u,l=-((1.97294*(o-u)- -.29227*c)/.90649),p=Math.sqrt(l*l+c*c)/(1.97294*u*(1-u)),f=p?Math.atan2(l,c)*n-120:NaN;return new Cubehelix(f<0?f+360:f,p,u,i.opacity)}(i):new Cubehelix(i,r,o,null==a?1:a)}export function Cubehelix(t,i,e,h){this.h=+t,this.s=+i,this.l=+e,this.opacity=+h}!function(t,i,e){t.prototype=i.prototype=e,e.constructor=t}(Cubehelix,o,function(t,i){var e=Object.create(t.prototype);for(var h in i)e[h]=i[h];return e}(i,{brighter:function(t){return t=null==t?1.4285714285714286:Math.pow(1.4285714285714286,t),new Cubehelix(this.h,this.s,this.l*t,this.opacity)},darker:function(t){return t=null==t?.7:Math.pow(.7,t),new Cubehelix(this.h,this.s,this.l*t,this.opacity)},rgb:function(){var t=isNaN(this.h)?0:(this.h+120)*r,i=+this.l,e=isNaN(this.s)?0:this.s*i*(1-i),n=Math.cos(t),s=Math.sin(t);return new h(255*(i+e*(-.14861*n+1.78277*s)),255*(i+e*(-.29227*n+-.90649*s)),255*(i+e*(1.97294*n)),this.opacity)}}));
import t from"@swc/helpers/src/_instanceof.mjs";import{Color as i,rgbConvert as e,Rgb as h}from"./color.js";var r=Math.PI/180,n=180/Math.PI,s=-1.78277*.29227-.1347134789;export default function o(i,r,o,a){return 1==arguments.length?function(i){if(t(i,Cubehelix))return new Cubehelix(i.h,i.s,i.l,i.opacity);t(i,h)||(i=e(i));var r=i.r/255,o=i.g/255,a=i.b/255,u=(s*a+-1.7884503806*r-3.5172982438*o)/(s+-1.7884503806-3.5172982438),c=a-u,l=-((1.97294*(o-u)- -.29227*c)/.90649),p=Math.sqrt(l*l+c*c)/(1.97294*u*(1-u)),f=p?Math.atan2(l,c)*n-120:NaN;return new Cubehelix(f<0?f+360:f,p,u,i.opacity)}(i):new Cubehelix(i,r,o,null==a?1:a)}export function Cubehelix(t,i,e,h){this.h=+t,this.s=+i,this.l=+e,this.opacity=+h}!function(t,i,e){t.prototype=i.prototype=e,e.constructor=t}(Cubehelix,o,function(t,i){var e=Object.create(t.prototype);for(var h in i)e[h]=i[h];return e}(i,{brighter:function(t){return t=null==t?1.4285714285714286:Math.pow(1.4285714285714286,t),new Cubehelix(this.h,this.s,this.l*t,this.opacity)},darker:function(t){return t=null==t?.7:Math.pow(.7,t),new Cubehelix(this.h,this.s,this.l*t,this.opacity)},rgb:function(){var t=isNaN(this.h)?0:(this.h+120)*r,i=+this.l,e=isNaN(this.s)?0:this.s*i*(1-i),n=Math.cos(t),s=Math.sin(t);return new h(255*(i+e*(-.14861*n+1.78277*s)),255*(i+e*(-.29227*n+-.90649*s)),255*(i+e*(1.97294*n)),this.opacity)}}));

2
crates/swc/tests/vercel/full/d3-color/1/output/index.js vendored
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@ -4,7 +4,7 @@ import { Color as e, rgbConvert as s, Rgb as r, darker as n, brighter as o } fro
import { deg2rad as a, rad2deg as u } from "./math.js";
var l = -1.78277 * 0.29227 - 0.1347134789;
export default function c(i, h, e, n) {
return 1 === arguments.length ? function(i) {
return 1 == arguments.length ? function(i) {
if (t(i, Cubehelix)) return new Cubehelix(i.h, i.s, i.l, i.opacity);
t(i, r) || (i = s(i));
var h = i.r / 255, e = i.g / 255, n = i.b / 255, o = (l * n + -1.7884503806 * h - 3.5172982438 * e) / (l + -1.7884503806 - 3.5172982438), a = n - o, c = -((1.97294 * (e - o) - -0.29227 * a) / 0.90649), p = Math.sqrt(c * c + a * a) / (1.97294 * o * (1 - o)), f = p ? Math.atan2(c, a) * u - 120 : NaN;

16
crates/swc_ecma_minifier/src/alias/mod.rs
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@ -1,14 +1,13 @@
#![allow(clippy::needless_update)]
use rustc_hash::FxHashSet;
use swc_atoms::js_word;
use swc_common::{collections::AHashSet, SyntaxContext};
use swc_ecma_ast::*;
use swc_ecma_utils::{collect_decls, BindingCollector};
use swc_ecma_visit::{noop_visit_type, Visit, VisitWith};
use self::ctx::Ctx;
use crate::marks::Marks;
use crate::{marks::Marks, util::is_global_var_with_pure_property_access};
mod ctx;
@ -109,17 +108,8 @@ impl InfectionCollector<'_> {
}
if self.unresolved_ctxt == Some(e.1) {
match e.0 {
js_word!("JSON")
| js_word!("Array")
| js_word!("String")
| js_word!("Object")
| js_word!("Number")
| js_word!("BigInt")
| js_word!("Boolean")
| js_word!("Math")
| js_word!("Error") => return,
_ => {}
if is_global_var_with_pure_property_access(&e.0) {
return;
}
}

9
crates/swc_ecma_minifier/src/compress/optimize/sequences.rs
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@ -20,13 +20,14 @@ use crate::{
alias::{collect_infects_from, AccessKind, AliasConfig},
compress::{
optimize::{unused::PropertyAccessOpts, util::replace_id_with_expr},
util::{
is_directive, is_global_var_with_pure_property_access, is_ident_used_by, replace_expr,
},
util::{is_directive, is_ident_used_by, replace_expr},
},
mode::Mode,
option::CompressOptions,
util::{idents_used_by, idents_used_by_ignoring_nested, ExprOptExt, ModuleItemExt},
util::{
idents_used_by, idents_used_by_ignoring_nested, is_global_var_with_pure_property_access,
ExprOptExt, ModuleItemExt,
},
};
/// Methods related to the option `sequences`. All methods are noop if

7
crates/swc_ecma_minifier/src/compress/optimize/unused.rs
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@ -7,11 +7,8 @@ use super::Optimizer;
#[cfg(feature = "debug")]
use crate::debug::dump;
use crate::{
compress::{
optimize::util::extract_class_side_effect, util::is_global_var_with_pure_property_access,
},
mode::Mode,
option::PureGetterOption,
compress::optimize::util::extract_class_side_effect, mode::Mode, option::PureGetterOption,
util::is_global_var_with_pure_property_access,
};
#[derive(Debug, Default, Clone, Copy)]

9
crates/swc_ecma_minifier/src/compress/pure/misc.rs
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@ -9,9 +9,12 @@ use swc_ecma_utils::{
};
use super::Pure;
use crate::compress::{
pure::strings::{convert_str_value_to_tpl_cooked, convert_str_value_to_tpl_raw},
util::{is_global_var_with_pure_property_access, is_pure_undefined},
use crate::{
compress::{
pure::strings::{convert_str_value_to_tpl_cooked, convert_str_value_to_tpl_raw},
util::is_pure_undefined,
},
util::is_global_var_with_pure_property_access,
};
impl Pure<'_> {

45
crates/swc_ecma_minifier/src/compress/util/mod.rs
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@ -735,51 +735,6 @@ impl VisitMut for UnreachableHandler {
}
}
pub(super) fn is_global_var_with_pure_property_access(s: &str) -> bool {
matches!(
s,
"console"
| "clearInterval"
| "clearTimeout"
| "setInterval"
| "setTimeout"
| "btoa"
| "Boolean"
| "Date"
| "decodeURI"
| "decodeURIComponent"
| "encodeURI"
| "encodeURIComponent"
| "escape"
| "eval"
| "Error"
| "EvalError"
| "Function"
| "isFinite"
| "isNaN"
| "JSON"
| "parseFloat"
| "parseInt"
| "RegExp"
| "RangeError"
| "ReferenceError"
| "SyntaxError"
| "TypeError"
| "unescape"
| "URIError"
| "atob"
| "globalThis"
| "String"
| "Object"
| "Array"
| "Number"
| "NaN"
| "Symbol"
| "Promise"
| "Math"
)
}
// TODO: remove
pub(crate) fn contains_super<N>(body: &N) -> bool
where

53
crates/swc_ecma_minifier/src/util/mod.rs
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@ -1,7 +1,7 @@
use std::time::Instant;
use rustc_hash::FxHashSet;
use swc_atoms::js_word;
use swc_atoms::{js_word, JsWord};
use swc_common::{util::take::Take, Mark, Span, Spanned, DUMMY_SP};
use swc_ecma_ast::*;
use swc_ecma_utils::{ModuleItemLike, StmtLike, Value};
@ -12,6 +12,57 @@ pub(crate) mod size;
pub(crate) mod sort;
pub(crate) mod unit;
pub(crate) fn is_global_var_with_pure_property_access(s: &JsWord) -> bool {
match *s {
js_word!("JSON")
| js_word!("Array")
| js_word!("String")
| js_word!("Object")
| js_word!("Number")
| js_word!("Date")
| js_word!("BigInt")
| js_word!("Boolean")
| js_word!("Math")
| js_word!("Error") => return true,
_ => {}
}
matches!(
&**s,
"console"
| "clearInterval"
| "clearTimeout"
| "setInterval"
| "setTimeout"
| "btoa"
| "decodeURI"
| "decodeURIComponent"
| "encodeURI"
| "encodeURIComponent"
| "escape"
| "eval"
| "EvalError"
| "Function"
| "isFinite"
| "isNaN"
| "JSON"
| "parseFloat"
| "parseInt"
| "RegExp"
| "RangeError"
| "ReferenceError"
| "SyntaxError"
| "TypeError"
| "unescape"
| "URIError"
| "atob"
| "globalThis"
| "NaN"
| "Symbol"
| "Promise"
)
}
///
pub(crate) fn make_number(span: Span, value: f64) -> Expr {
trace_op!("Creating a numeric literal");

20
crates/swc_ecma_minifier/tests/benches-full/d3.js vendored
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@ -1323,7 +1323,7 @@
return (o instanceof Color || (o = color(o)), o) ? (o = o.rgb(), new Rgb(o.r, o.g, o.b, o.opacity)) : new Rgb;
}
function rgb(r, g, b, opacity) {
return 1 === arguments.length ? rgbConvert(r) : new Rgb(r, g, b, null == opacity ? 1 : opacity);
return 1 == arguments.length ? rgbConvert(r) : new Rgb(r, g, b, null == opacity ? 1 : opacity);
}
function Rgb(r, g, b, opacity) {
this.r = +r, this.g = +g, this.b = +b, this.opacity = +opacity;
@ -1349,7 +1349,7 @@
return s ? (h = r === max ? (g - b) / s + (g < b) * 6 : g === max ? (b - r) / s + 2 : (r - g) / s + 4, s /= l < 0.5 ? max + min : 2 - max - min, h *= 60) : s = l > 0 && l < 1 ? 0 : h, new Hsl(h, s, l, o.opacity);
}
function hsl(h, s, l, opacity) {
return 1 === arguments.length ? hslConvert(h) : new Hsl(h, s, l, null == opacity ? 1 : opacity);
return 1 == arguments.length ? hslConvert(h) : new Hsl(h, s, l, null == opacity ? 1 : opacity);
}
function Hsl(h, s, l, opacity) {
this.h = +h, this.s = +s, this.l = +l, this.opacity = +opacity;
@ -1416,7 +1416,7 @@
return r === g && g === b ? x = z = y : (x = xyz2lab((0.4360747 * r + 0.3850649 * g + 0.1430804 * b) / 0.96422), z = xyz2lab((0.0139322 * r + 0.0971045 * g + 0.7141733 * b) / 0.82521)), new Lab(116 * y - 16, 500 * (x - y), 200 * (y - z), o.opacity);
}
function lab(l, a, b, opacity) {
return 1 === arguments.length ? labConvert(l) : new Lab(l, a, b, null == opacity ? 1 : opacity);
return 1 == arguments.length ? labConvert(l) : new Lab(l, a, b, null == opacity ? 1 : opacity);
}
function Lab(l, a, b, opacity) {
this.l = +l, this.a = +a, this.b = +b, this.opacity = +opacity;
@ -1440,7 +1440,7 @@
return new Hcl(h < 0 ? h + 360 : h, Math.sqrt(o.a * o.a + o.b * o.b), o.l, o.opacity);
}
function hcl(h, c, l, opacity) {
return 1 === arguments.length ? hclConvert(h) : new Hcl(h, c, l, null == opacity ? 1 : opacity);
return 1 == arguments.length ? hclConvert(h) : new Hcl(h, c, l, null == opacity ? 1 : opacity);
}
function Hcl(h, c, l, opacity) {
this.h = +h, this.c = +c, this.l = +l, this.opacity = +opacity;
@ -1474,7 +1474,7 @@
}));
var BC_DA = -1.78277 * 0.29227 - 0.1347134789;
function cubehelix(h, s, l, opacity) {
return 1 === arguments.length ? function(o) {
return 1 == arguments.length ? function(o) {
if (o instanceof Cubehelix) return new Cubehelix(o.h, o.s, o.l, o.opacity);
o instanceof Rgb || (o = rgbConvert(o));
var r = o.r / 255, g = o.g / 255, b = o.b / 255, l = (BC_DA * b + -1.7884503806 * r - 3.5172982438 * g) / (BC_DA + -1.7884503806 - 3.5172982438), bl = b - l, k = -((1.97294 * (g - l) - -0.29227 * bl) / 0.90649), s = Math.sqrt(k * k + bl * bl) / (1.97294 * l * (1 - l)), h = s ? Math.atan2(k, bl) * degrees - 120 : NaN;
@ -4020,7 +4020,7 @@
}
function dsvParse(parse) {
return function(input, init, row) {
return 2 === arguments.length && "function" == typeof init && (row = init, init = void 0), text(input, init).then(function(response) {
return 2 == arguments.length && "function" == typeof init && (row = init, init = void 0), text(input, init).then(function(response) {
return parse(response, row);
});
};
@ -6394,7 +6394,7 @@
}
var defaultSource$1 = Math.random, uniform = function sourceRandomUniform(source) {
function randomUniform(min, max) {
return min = null == min ? 0 : +min, max = null == max ? 1 : +max, 1 === arguments.length ? (max = min, min = 0) : max -= min, function() {
return min = null == min ? 0 : +min, max = null == max ? 1 : +max, 1 == arguments.length ? (max = min, min = 0) : max -= min, function() {
return source() * max + min;
};
}
@ -6873,7 +6873,7 @@
var t0$1 = new Date, t1$1 = new Date;
function newInterval(floori, offseti, count, field) {
function interval(date) {
return floori(date = 0 === arguments.length ? new Date : new Date(+date)), date;
return floori(date = 0 == arguments.length ? new Date : new Date(+date)), date;
}
return interval.floor = function(date) {
return floori(date = new Date(+date)), date;
@ -9324,7 +9324,7 @@
return arguments.length ? (clickDistance2 = (_ = +_) * _, drag) : Math.sqrt(clickDistance2);
}, drag;
}, exports1.dragDisable = dragDisable, exports1.dragEnable = yesdrag, exports1.dsv = function(delimiter, input, init, row) {
3 === arguments.length && "function" == typeof init && (row = init, init = void 0);
3 == arguments.length && "function" == typeof init && (row = init, init = void 0);
var format = dsvFormat(delimiter);
return text(input, init).then(function(response) {
return format.parse(response, row);
@ -10079,7 +10079,7 @@
}, exports1.isoFormat = formatIso, exports1.isoParse = parseIso, exports1.json = function(input, init) {
return fetch(input, init).then(responseJson);
}, exports1.lab = lab, exports1.lch = function(l, c, h, opacity) {
return 1 === arguments.length ? hclConvert(l) : new Hcl(h, c, l, null == opacity ? 1 : opacity);
return 1 == arguments.length ? hclConvert(l) : new Hcl(h, c, l, null == opacity ? 1 : opacity);
}, exports1.least = function(values, compare = ascending) {
let min;
let defined = !1;

2
crates/swc_ecma_minifier/tests/benches-full/jquery.js vendored
View File

@ -3042,7 +3042,7 @@
return this.on(types, selector, data, fn);
},
undelegate: function(selector, types, fn) {
return 1 === arguments.length ? this.off(selector, "**") : this.off(types, selector || "**", fn);
return 1 == arguments.length ? this.off(selector, "**") : this.off(types, selector || "**", fn);
},
hover: function(fnOver, fnOut) {
return this.mouseenter(fnOver).mouseleave(fnOut || fnOver);

2
crates/swc_ecma_minifier/tests/benches-full/moment.js
View File

@ -1161,7 +1161,7 @@
return string;
}
proto.add = add, proto.calendar = function(time, formats) {
if (1 === arguments.length) {
if (1 == arguments.length) {
if (arguments[0]) {
var input, input1, arrayTest, dataTypeTest;
if (input = arguments[0], isMoment(input) || isDate(input) || isString(input) || isNumber(input) || (arrayTest = isArray(input1 = input), dataTypeTest = !1, arrayTest && (dataTypeTest = 0 === input1.filter(function(item) {

14
crates/swc_ecma_minifier/tests/benches-full/victory.js
View File

@ -947,7 +947,7 @@
return (o instanceof Color || (o = color(o)), o) ? (o = o.rgb(), new Rgb(o.r, o.g, o.b, o.opacity)) : new Rgb;
}
function rgb(r, g, b, opacity) {
return 1 === arguments.length ? rgbConvert(r) : new Rgb(r, g, b, null == opacity ? 1 : opacity);
return 1 == arguments.length ? rgbConvert(r) : new Rgb(r, g, b, null == opacity ? 1 : opacity);
}
function Rgb(r, g, b, opacity) {
this.r = +r, this.g = +g, this.b = +b, this.opacity = +opacity;
@ -973,7 +973,7 @@
return s ? (h = r === max ? (g - b) / s + (g < b) * 6 : g === max ? (b - r) / s + 2 : (r - g) / s + 4, s /= l < 0.5 ? max + min : 2 - max - min, h *= 60) : s = l > 0 && l < 1 ? 0 : h, new Hsl(h, s, l, o.opacity);
}
function hsl(h, s, l, opacity) {
return 1 === arguments.length ? hslConvert(h) : new Hsl(h, s, l, null == opacity ? 1 : opacity);
return 1 == arguments.length ? hslConvert(h) : new Hsl(h, s, l, null == opacity ? 1 : opacity);
}
function Hsl(h, s, l, opacity) {
this.h = +h, this.s = +s, this.l = +l, this.opacity = +opacity;
@ -1041,7 +1041,7 @@
});
var _define_js__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__("../../../node_modules/d3-color/src/define.js"), _color_js__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__("../../../node_modules/d3-color/src/color.js"), _math_js__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__("../../../node_modules/d3-color/src/math.js"), BC_DA = -1.78277 * 0.29227 - 0.1347134789;
function cubehelix(h, s, l, opacity) {
return 1 === arguments.length ? function(o) {
return 1 == arguments.length ? function(o) {
if (o instanceof Cubehelix) return new Cubehelix(o.h, o.s, o.l, o.opacity);
o instanceof _color_js__WEBPACK_IMPORTED_MODULE_1__.Rgb || (o = Object(_color_js__WEBPACK_IMPORTED_MODULE_1__.rgbConvert)(o));
var r = o.r / 255, g = o.g / 255, b = o.b / 255, l = (BC_DA * b + -1.7884503806 * r - 3.5172982438 * g) / (BC_DA + -1.7884503806 - 3.5172982438), bl = b - l, k = -((1.97294 * (g - l) - -0.29227 * bl) / 0.90649), s = Math.sqrt(k * k + bl * bl) / (1.97294 * l * (1 - l)), h = s ? Math.atan2(k, bl) * _math_js__WEBPACK_IMPORTED_MODULE_2__.rad2deg - 120 : NaN;
@ -1130,7 +1130,7 @@
return new Lab(l, 0, 0, null == opacity ? 1 : opacity);
}
function lab(l, a, b, opacity) {
return 1 === arguments.length ? labConvert(l) : new Lab(l, a, b, null == opacity ? 1 : opacity);
return 1 == arguments.length ? labConvert(l) : new Lab(l, a, b, null == opacity ? 1 : opacity);
}
function Lab(l, a, b, opacity) {
this.l = +l, this.a = +a, this.b = +b, this.opacity = +opacity;
@ -1154,10 +1154,10 @@
return new Hcl(h < 0 ? h + 360 : h, Math.sqrt(o.a * o.a + o.b * o.b), o.l, o.opacity);
}
function lch(l, c, h, opacity) {
return 1 === arguments.length ? hclConvert(l) : new Hcl(h, c, l, null == opacity ? 1 : opacity);
return 1 == arguments.length ? hclConvert(l) : new Hcl(h, c, l, null == opacity ? 1 : opacity);
}
function hcl(h, c, l, opacity) {
return 1 === arguments.length ? hclConvert(h) : new Hcl(h, c, l, null == opacity ? 1 : opacity);
return 1 == arguments.length ? hclConvert(h) : new Hcl(h, c, l, null == opacity ? 1 : opacity);
}
function Hcl(h, c, l, opacity) {
this.h = +h, this.c = +c, this.l = +l, this.opacity = +opacity;
@ -5640,7 +5640,7 @@
__webpack_require__.r(__webpack_exports__), __webpack_require__.d(__webpack_exports__, "default", function() {
return function newInterval(floori, offseti, count, field) {
function interval(date) {
return floori(date = 0 === arguments.length ? new Date : new Date(+date)), date;
return floori(date = 0 == arguments.length ? new Date : new Date(+date)), date;
}
return interval.floor = function(date) {
return floori(date = new Date(+date)), date;

2
crates/swc_ecma_minifier/tests/benches-full/vue.js
View File

@ -341,7 +341,7 @@
var dep = new Dep(), property = Object.getOwnPropertyDescriptor(obj, key);
if (!property || !1 !== property.configurable) {
var getter = property && property.get, setter = property && property.set;
(!getter || setter) && 2 === arguments.length && (val = obj[key]);
(!getter || setter) && 2 == arguments.length && (val = obj[key]);
var childOb = !shallow && observe(val);
Object.defineProperty(obj, key, {
enumerable: !0,

2
crates/swc_ecma_minifier/tests/fixture/issues/2257/full/output.js
View File

@ -3816,7 +3816,7 @@
var global = __webpack_require__(19514);
module.exports = function(a, b) {
var console1 = global.console;
console1 && console1.error && (1 === arguments.length ? console1.error(a) : console1.error(a, b));
console1 && console1.error && (1 == arguments.length ? console1.error(a) : console1.error(a, b));
};
},
40969: function(module, __unused_webpack_exports, __webpack_require__) {

2
crates/swc_ecma_minifier/tests/fixture/issues/d3-color/1/output.js vendored
View File

@ -3,7 +3,7 @@ import { Color, rgbConvert, Rgb, darker, brighter } from "./color.js";
import { deg2rad, rad2deg } from "./math.js";
var BC_DA = -1.78277 * 0.29227 - 0.1347134789;
export default function cubehelix(h, s, l, opacity) {
return 1 === arguments.length ? function(o) {
return 1 == arguments.length ? function(o) {
if (o instanceof Cubehelix) return new Cubehelix(o.h, o.s, o.l, o.opacity);
o instanceof Rgb || (o = rgbConvert(o));
var r = o.r / 255, g = o.g / 255, b = o.b / 255, l = (BC_DA * b + -1.7884503806 * r - 3.5172982438 * g) / (BC_DA + -1.7884503806 - 3.5172982438), bl = b - l, k = -((1.97294 * (g - l) - -0.29227 * bl) / 0.90649), s = Math.sqrt(k * k + bl * bl) / (1.97294 * l * (1 - l)), h = s ? Math.atan2(k, bl) * rad2deg - 120 : NaN;

2
crates/swc_ecma_minifier/tests/fixture/issues/d3-time-format/3/output.js vendored
View File

@ -13,7 +13,7 @@
var locale, bisector = __webpack_require__(24852), src_ticks = __webpack_require__(73002), t0 = new Date(), t1 = new Date();
function newInterval(floori, offseti, count, field) {
function interval(date) {
return floori(date = 0 === arguments.length ? new Date() : new Date(+date)), date;
return floori(date = 0 == arguments.length ? new Date() : new Date(+date)), date;
}
return interval.floor = function(date) {
return floori(date = new Date(+date)), date;

2
crates/swc_ecma_minifier/tests/fixture/issues/moment/1/output.js
View File

@ -1160,7 +1160,7 @@
return string;
}
proto.add = add, proto.calendar = function(time, formats) {
if (1 === arguments.length) {
if (1 == arguments.length) {
if (arguments[0]) {
var input, arrayTest, dataTypeTest;
(input = arguments[0], isMoment(input) || isDate(input) || isString(input) || isNumber(input) || (arrayTest = isArray(input), dataTypeTest = !1, arrayTest && (dataTypeTest = 0 === input.filter(function(item) {

4
crates/swc_ecma_minifier/tests/fixture/next/33265/static/chunks/d6e1aeb5-38a8d7ae57119c23/output.js
View File

@ -7596,7 +7596,7 @@
}, this.trigger = function(type) {
var callbacks, i, length, args;
if (callbacks = listeners[type]) {
if (2 === arguments.length) for(i = 0, length = callbacks.length; i < length; ++i)callbacks[i].call(this, arguments[1]);
if (2 == arguments.length) for(i = 0, length = callbacks.length; i < length; ++i)callbacks[i].call(this, arguments[1]);
else {
for(args = [], i = arguments.length, i = 1; i < arguments.length; ++i)args.push(arguments[i]);
for(i = 0, length = callbacks.length; i < length; ++i)callbacks[i].apply(this, args);
@ -13341,7 +13341,7 @@
}, _proto.trigger = function(type) {
var callbacks = this.listeners[type];
if (callbacks) {
if (2 === arguments.length) for(var length = callbacks.length, i = 0; i < length; ++i)callbacks[i].call(this, arguments[1]);
if (2 == arguments.length) for(var length = callbacks.length, i = 0; i < length; ++i)callbacks[i].call(this, arguments[1]);
else for(var args = Array.prototype.slice.call(arguments, 1), _length = callbacks.length, _i = 0; _i < _length; ++_i)callbacks[_i].apply(this, args);
}
}, _proto.dispose = function() {

6
crates/swc_ecma_minifier/tests/fixture/next/33265/static/chunks/pages/index-cb36c1bf7f830e3c/output.js
View File

@ -2348,7 +2348,7 @@
}, _proto.trigger = function(type) {
var callbacks = this.listeners[type];
if (callbacks) {
if (2 === arguments.length) for(var length = callbacks.length, i = 0; i < length; ++i)callbacks[i].call(this, arguments[1]);
if (2 == arguments.length) for(var length = callbacks.length, i = 0; i < length; ++i)callbacks[i].call(this, arguments[1]);
else for(var args = Array.prototype.slice.call(arguments, 1), _length = callbacks.length, _i = 0; _i < _length; ++_i)callbacks[_i].apply(this, args);
}
}, _proto.dispose = function() {
@ -3826,7 +3826,7 @@
var document1 = __webpack_require__(9144), _objCreate = Object.create || function() {
function F() {}
return function(o) {
if (1 !== arguments.length) throw Error("Object.create shim only accepts one parameter.");
if (1 != arguments.length) throw Error("Object.create shim only accepts one parameter.");
return F.prototype = o, new F();
};
}();
@ -5413,7 +5413,7 @@
return this;
}, Buffer.prototype.toString = function() {
var length = this.length;
return 0 === length ? "" : 0 === arguments.length ? utf8Slice(this, 0, length) : slowToString.apply(this, arguments);
return 0 === length ? "" : 0 == arguments.length ? utf8Slice(this, 0, length) : slowToString.apply(this, arguments);
}, Buffer.prototype.toLocaleString = Buffer.prototype.toString, Buffer.prototype.equals = function(b) {
if (!Buffer.isBuffer(b)) throw TypeError("Argument must be a Buffer");
return this === b || 0 === Buffer.compare(this, b);

2
crates/swc_ecma_minifier/tests/fixture/next/feedback-util-promisify/chunks/pages/_app-72ad41192608e93a/output.js
View File

@ -433,7 +433,7 @@
return this;
}, Buffer.prototype.toString = function() {
var e = this.length;
return 0 === e ? "" : 0 === arguments.length ? utf8Slice(this, 0, e) : slowToString.apply(this, arguments);
return 0 === e ? "" : 0 == arguments.length ? utf8Slice(this, 0, e) : slowToString.apply(this, arguments);
}, Buffer.prototype.toLocaleString = Buffer.prototype.toString, Buffer.prototype.equals = function(e) {
if (!Buffer.isBuffer(e)) throw TypeError("Argument must be a Buffer");
return this === e || 0 === Buffer.compare(this, e);

18
crates/swc_ecma_minifier/tests/fixture/next/react-pdf-renderer/output.js vendored
View File

@ -15505,7 +15505,7 @@
function k(e, t, r, a) {
if ("function" != typeof t) {
if (g(t)) return t.test(e);
if (2 === arguments.length) throw new l("expected", [
if (2 == arguments.length) throw new l("expected", [
"Function",
"RegExp"
], t);
@ -15580,7 +15580,7 @@
}
function P(e, t, r, i) {
if ("string" == typeof r) {
if (4 === arguments.length) throw new l("error", [
if (4 == arguments.length) throw new l("error", [
"Object",
"Error",
"Function",
@ -16108,13 +16108,13 @@
});
}
function M(e, t, r, o, l, c) {
if (5 === arguments.length) {
if (5 == arguments.length) {
c = Object.keys(e);
var f = Object.keys(t);
if (c.length !== f.length) return !1;
}
for(var h = 0; h < c.length; h++)if (!d(t, c[h])) return !1;
if (r && 5 === arguments.length) {
if (r && 5 == arguments.length) {
var y = s(e);
if (0 !== y.length) {
var g = 0;
@ -18313,7 +18313,7 @@
}, f.prototype._error = function(e) {
this.strm.msg && (e = this.strm.msg), this.onerror(e, this.err), this.write_in_progress = !1, this.pending_close && this.close();
}, f.prototype.init = function(e, r, n, i, a) {
o(4 === arguments.length || 5 === arguments.length, "init(windowBits, level, memLevel, strategy, [dictionary])"), o(e >= 8 && e <= 15, "invalid windowBits"), o(r >= -1 && r <= 9, "invalid compression level"), o(n >= 1 && n <= 9, "invalid memlevel"), o(i === t.Z_FILTERED || i === t.Z_HUFFMAN_ONLY || i === t.Z_RLE || i === t.Z_FIXED || i === t.Z_DEFAULT_STRATEGY, "invalid strategy"), this._init(r, e, n, i, a), this._setDictionary();
o(4 == arguments.length || 5 == arguments.length, "init(windowBits, level, memLevel, strategy, [dictionary])"), o(e >= 8 && e <= 15, "invalid windowBits"), o(r >= -1 && r <= 9, "invalid compression level"), o(n >= 1 && n <= 9, "invalid memlevel"), o(i === t.Z_FILTERED || i === t.Z_HUFFMAN_ONLY || i === t.Z_RLE || i === t.Z_FIXED || i === t.Z_DEFAULT_STRATEGY, "invalid strategy"), this._init(r, e, n, i, a), this._setDictionary();
}, f.prototype.params = function() {
throw Error("deflateParams Not supported");
}, f.prototype.reset = function() {
@ -20227,7 +20227,7 @@
return this;
}, u.prototype.toString = function() {
var e = this.length;
return 0 === e ? "" : 0 === arguments.length ? b(this, 0, e) : h.apply(this, arguments);
return 0 === e ? "" : 0 == arguments.length ? b(this, 0, e) : h.apply(this, arguments);
}, u.prototype.toLocaleString = u.prototype.toString, u.prototype.equals = function(e) {
if (!u.isBuffer(e)) throw TypeError("Argument must be a Buffer");
return this === e || 0 === u.compare(this, e);
@ -20596,7 +20596,7 @@
return e;
}
function c() {
if (!this.fired) return (this.target.removeListener(this.type, this.wrapFn), this.fired = !0, 0 === arguments.length) ? this.listener.call(this.target) : this.listener.apply(this.target, arguments);
if (!this.fired) return (this.target.removeListener(this.type, this.wrapFn), this.fired = !0, 0 == arguments.length) ? this.listener.call(this.target) : this.listener.apply(this.target, arguments);
}
function f(e, t, r) {
var n = {
@ -20699,8 +20699,8 @@
}, o.prototype.off = o.prototype.removeListener, o.prototype.removeAllListeners = function(e) {
var t, r, n;
if (void 0 === (r = this._events)) return this;
if (void 0 === r.removeListener) return 0 === arguments.length ? (this._events = Object.create(null), this._eventsCount = 0) : void 0 !== r[e] && (0 == --this._eventsCount ? this._events = Object.create(null) : delete r[e]), this;
if (0 === arguments.length) {
if (void 0 === r.removeListener) return 0 == arguments.length ? (this._events = Object.create(null), this._eventsCount = 0) : void 0 !== r[e] && (0 == --this._eventsCount ? this._events = Object.create(null) : delete r[e]), this;
if (0 == arguments.length) {
var i, o = Object.keys(r);
for(n = 0; n < o.length; ++n)"removeListener" !== (i = o[n]) && this.removeAllListeners(i);
return this.removeAllListeners("removeListener"), this._events = Object.create(null), this._eventsCount = 0, this;

8
crates/swc_ecma_minifier/tests/fixture/next/wrap-contracts/output.js
View File

@ -9096,7 +9096,7 @@
return this;
}, Buffer.prototype.toString = function() {
const length = this.length;
return 0 === length ? '' : 0 === arguments.length ? utf8Slice(this, 0, length) : slowToString.apply(this, arguments);
return 0 === length ? '' : 0 == arguments.length ? utf8Slice(this, 0, length) : slowToString.apply(this, arguments);
}, Buffer.prototype.toLocaleString = Buffer.prototype.toString, Buffer.prototype.equals = function(b) {
if (!Buffer.isBuffer(b)) throw TypeError('Argument must be a Buffer');
return this === b || 0 === Buffer.compare(this, b);
@ -11604,7 +11604,7 @@
return target;
}
function onceWrapper() {
if (!this.fired) return (this.target.removeListener(this.type, this.wrapFn), this.fired = !0, 0 === arguments.length) ? this.listener.call(this.target) : this.listener.apply(this.target, arguments);
if (!this.fired) return (this.target.removeListener(this.type, this.wrapFn), this.fired = !0, 0 == arguments.length) ? this.listener.call(this.target) : this.listener.apply(this.target, arguments);
}
function _onceWrap(target, type, listener) {
var state = {
@ -11727,8 +11727,8 @@
}, EventEmitter.prototype.off = EventEmitter.prototype.removeListener, EventEmitter.prototype.removeAllListeners = function(type) {
var listeners, events, i;
if (void 0 === (events = this._events)) return this;
if (void 0 === events.removeListener) return 0 === arguments.length ? (this._events = Object.create(null), this._eventsCount = 0) : void 0 !== events[type] && (0 == --this._eventsCount ? this._events = Object.create(null) : delete events[type]), this;
if (0 === arguments.length) {
if (void 0 === events.removeListener) return 0 == arguments.length ? (this._events = Object.create(null), this._eventsCount = 0) : void 0 !== events[type] && (0 == --this._eventsCount ? this._events = Object.create(null) : delete events[type]), this;
if (0 == arguments.length) {
var key, keys = Object.keys(events);
for(i = 0; i < keys.length; ++i)'removeListener' !== (key = keys[i]) && this.removeAllListeners(key);
return this.removeAllListeners('removeListener'), this._events = Object.create(null), this._eventsCount = 0, this;

4
crates/swc_ecma_minifier/tests/projects/output/jquery-1.9.1.js vendored
View File

@ -614,7 +614,7 @@
return this;
},
removeClass: function(value) {
var classes, elem, cur, clazz, j, i = 0, len = this.length, proceed = 0 === arguments.length || "string" == typeof value && value;
var classes, elem, cur, clazz, j, i = 0, len = this.length, proceed = 0 == arguments.length || "string" == typeof value && value;
if (jQuery.isFunction(value)) return this.each(function(j) {
jQuery(this).removeClass(value.call(this, j, this.className));
});
@ -1099,7 +1099,7 @@
return this.on(types, selector, data, fn);
},
undelegate: function(selector, types, fn) {
return 1 === arguments.length ? this.off(selector, "**") : this.off(types, selector || "**", fn);
return 1 == arguments.length ? this.off(selector, "**") : this.off(types, selector || "**", fn);
},
trigger: function(type, data) {
return this.each(function() {

2
crates/swc_ecma_minifier/tests/projects/output/jquery.mobile-1.4.2.js
View File

@ -392,7 +392,7 @@
},
option: function(key, value) {
var parts, curOption, i, options = key;
if (0 === arguments.length) return $2.widget.extend({}, this.options);
if (0 == arguments.length) return $2.widget.extend({}, this.options);
if ("string" == typeof key) {
if (options = {}, key = (parts = key.split(".")).shift(), parts.length) {
for(i = 0, curOption = options[key] = $2.widget.extend({}, this.options[key]); i < parts.length - 1; i++)curOption[parts[i]] = curOption[parts[i]] || {}, curOption = curOption[parts[i]];

3
crates/swc_ecma_minifier/tests/projects/output/underscore-1.5.2.js
View File

@ -506,9 +506,8 @@
"\u2029": "u2029"
}, escaper = /\\|'|\r|\n|\t|\u2028|\u2029/g;
_.template = function(text, data, settings) {
settings = _.defaults({}, settings, _.templateSettings);
var render, matcher = RegExp([
(settings.escape || noMatch).source,
((settings = _.defaults({}, settings, _.templateSettings)).escape || noMatch).source,
(settings.interpolate || noMatch).source,
(settings.evaluate || noMatch).source
].join("|") + "|$", "g"), index = 0, source = "__p+='";

20
crates/swc_ecma_utils/src/lib.rs
View File

@ -1067,13 +1067,31 @@ pub trait ExprExt {
fn get_type(&self) -> Value<Type> {
let expr = self.as_expr();
match *expr {
match expr {
Expr::Assign(AssignExpr {
ref right,
op: op!("="),
..
}) => right.get_type(),
Expr::Member(MemberExpr {
obj,
prop:
MemberProp::Ident(Ident {
sym: js_word!("length"),
..
}),
..
}) => match &**obj {
Expr::Array(ArrayLit { .. })
| Expr::Lit(Lit::Str(..))
| Expr::Ident(Ident {
sym: js_word!("arguments"),
..
}) => Known(Type::Num),
_ => Unknown,
},
Expr::Seq(SeqExpr { ref exprs, .. }) => exprs
.last()
.expect("sequence expression should not be empty")