396 lines
18 KiB
JavaScript
396 lines
18 KiB
JavaScript
import corejs2Polyfills from '@babel/compat-data/corejs2-built-ins';
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import semver from 'semver';
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import defineProvider from '@babel/helper-define-polyfill-provider';
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import * as _babel from '@babel/core';
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const define = (name, pure, global = [], meta) => {
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return {
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name,
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pure,
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global,
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meta
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};
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};
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const pureAndGlobal = (pure, global, minRuntimeVersion = null) => define(global[0], pure, global, {
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minRuntimeVersion
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});
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const globalOnly = global => define(global[0], null, global);
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const pureOnly = (pure, name) => define(name, pure, []);
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const ArrayNatureIterators = ["es6.object.to-string", "es6.array.iterator", "web.dom.iterable"];
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const CommonIterators = ["es6.string.iterator", ...ArrayNatureIterators];
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const PromiseDependencies = ["es6.object.to-string", "es6.promise"];
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const BuiltIns = {
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DataView: globalOnly(["es6.typed.data-view"]),
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Float32Array: globalOnly(["es6.typed.float32-array"]),
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Float64Array: globalOnly(["es6.typed.float64-array"]),
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Int8Array: globalOnly(["es6.typed.int8-array"]),
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Int16Array: globalOnly(["es6.typed.int16-array"]),
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Int32Array: globalOnly(["es6.typed.int32-array"]),
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Map: pureAndGlobal("map", ["es6.map", ...CommonIterators]),
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Number: globalOnly(["es6.number.constructor"]),
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Promise: pureAndGlobal("promise", PromiseDependencies),
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RegExp: globalOnly(["es6.regexp.constructor"]),
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Set: pureAndGlobal("set", ["es6.set", ...CommonIterators]),
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Symbol: pureAndGlobal("symbol/index", ["es6.symbol"]),
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Uint8Array: globalOnly(["es6.typed.uint8-array"]),
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Uint8ClampedArray: globalOnly(["es6.typed.uint8-clamped-array"]),
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Uint16Array: globalOnly(["es6.typed.uint16-array"]),
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Uint32Array: globalOnly(["es6.typed.uint32-array"]),
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WeakMap: pureAndGlobal("weak-map", ["es6.weak-map", ...CommonIterators]),
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WeakSet: pureAndGlobal("weak-set", ["es6.weak-set", ...CommonIterators]),
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setImmediate: pureOnly("set-immediate", "web.immediate"),
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clearImmediate: pureOnly("clear-immediate", "web.immediate"),
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parseFloat: pureOnly("parse-float", "es6.parse-float"),
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parseInt: pureOnly("parse-int", "es6.parse-int")
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};
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const InstanceProperties = {
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__defineGetter__: globalOnly(["es7.object.define-getter"]),
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__defineSetter__: globalOnly(["es7.object.define-setter"]),
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__lookupGetter__: globalOnly(["es7.object.lookup-getter"]),
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__lookupSetter__: globalOnly(["es7.object.lookup-setter"]),
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anchor: globalOnly(["es6.string.anchor"]),
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big: globalOnly(["es6.string.big"]),
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bind: globalOnly(["es6.function.bind"]),
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blink: globalOnly(["es6.string.blink"]),
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bold: globalOnly(["es6.string.bold"]),
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codePointAt: globalOnly(["es6.string.code-point-at"]),
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copyWithin: globalOnly(["es6.array.copy-within"]),
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endsWith: globalOnly(["es6.string.ends-with"]),
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entries: globalOnly(ArrayNatureIterators),
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every: globalOnly(["es6.array.every"]),
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fill: globalOnly(["es6.array.fill"]),
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filter: globalOnly(["es6.array.filter"]),
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finally: globalOnly(["es7.promise.finally", ...PromiseDependencies]),
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find: globalOnly(["es6.array.find"]),
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findIndex: globalOnly(["es6.array.find-index"]),
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fixed: globalOnly(["es6.string.fixed"]),
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flags: globalOnly(["es6.regexp.flags"]),
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flatMap: globalOnly(["es7.array.flat-map"]),
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fontcolor: globalOnly(["es6.string.fontcolor"]),
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fontsize: globalOnly(["es6.string.fontsize"]),
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forEach: globalOnly(["es6.array.for-each"]),
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includes: globalOnly(["es6.string.includes", "es7.array.includes"]),
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indexOf: globalOnly(["es6.array.index-of"]),
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italics: globalOnly(["es6.string.italics"]),
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keys: globalOnly(ArrayNatureIterators),
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lastIndexOf: globalOnly(["es6.array.last-index-of"]),
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link: globalOnly(["es6.string.link"]),
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map: globalOnly(["es6.array.map"]),
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match: globalOnly(["es6.regexp.match"]),
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name: globalOnly(["es6.function.name"]),
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padStart: globalOnly(["es7.string.pad-start"]),
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padEnd: globalOnly(["es7.string.pad-end"]),
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reduce: globalOnly(["es6.array.reduce"]),
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reduceRight: globalOnly(["es6.array.reduce-right"]),
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repeat: globalOnly(["es6.string.repeat"]),
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replace: globalOnly(["es6.regexp.replace"]),
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search: globalOnly(["es6.regexp.search"]),
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small: globalOnly(["es6.string.small"]),
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some: globalOnly(["es6.array.some"]),
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sort: globalOnly(["es6.array.sort"]),
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split: globalOnly(["es6.regexp.split"]),
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startsWith: globalOnly(["es6.string.starts-with"]),
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strike: globalOnly(["es6.string.strike"]),
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sub: globalOnly(["es6.string.sub"]),
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sup: globalOnly(["es6.string.sup"]),
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toISOString: globalOnly(["es6.date.to-iso-string"]),
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toJSON: globalOnly(["es6.date.to-json"]),
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toString: globalOnly(["es6.object.to-string", "es6.date.to-string", "es6.regexp.to-string"]),
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trim: globalOnly(["es6.string.trim"]),
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trimEnd: globalOnly(["es7.string.trim-right"]),
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trimLeft: globalOnly(["es7.string.trim-left"]),
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trimRight: globalOnly(["es7.string.trim-right"]),
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trimStart: globalOnly(["es7.string.trim-left"]),
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values: globalOnly(ArrayNatureIterators)
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};
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// This isn't present in older @babel/compat-data versions
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if ("es6.array.slice" in corejs2Polyfills) {
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InstanceProperties.slice = globalOnly(["es6.array.slice"]);
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}
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const StaticProperties = {
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Array: {
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from: pureAndGlobal("array/from", ["es6.symbol", "es6.array.from", ...CommonIterators]),
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isArray: pureAndGlobal("array/is-array", ["es6.array.is-array"]),
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of: pureAndGlobal("array/of", ["es6.array.of"])
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},
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Date: {
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now: pureAndGlobal("date/now", ["es6.date.now"])
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},
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JSON: {
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stringify: pureOnly("json/stringify", "es6.symbol")
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},
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Math: {
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// 'Math' was not included in the 7.0.0
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// release of '@babel/runtime'. See issue https://github.com/babel/babel/pull/8616.
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acosh: pureAndGlobal("math/acosh", ["es6.math.acosh"], "7.0.1"),
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asinh: pureAndGlobal("math/asinh", ["es6.math.asinh"], "7.0.1"),
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atanh: pureAndGlobal("math/atanh", ["es6.math.atanh"], "7.0.1"),
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cbrt: pureAndGlobal("math/cbrt", ["es6.math.cbrt"], "7.0.1"),
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clz32: pureAndGlobal("math/clz32", ["es6.math.clz32"], "7.0.1"),
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cosh: pureAndGlobal("math/cosh", ["es6.math.cosh"], "7.0.1"),
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expm1: pureAndGlobal("math/expm1", ["es6.math.expm1"], "7.0.1"),
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fround: pureAndGlobal("math/fround", ["es6.math.fround"], "7.0.1"),
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hypot: pureAndGlobal("math/hypot", ["es6.math.hypot"], "7.0.1"),
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imul: pureAndGlobal("math/imul", ["es6.math.imul"], "7.0.1"),
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log1p: pureAndGlobal("math/log1p", ["es6.math.log1p"], "7.0.1"),
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log10: pureAndGlobal("math/log10", ["es6.math.log10"], "7.0.1"),
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log2: pureAndGlobal("math/log2", ["es6.math.log2"], "7.0.1"),
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sign: pureAndGlobal("math/sign", ["es6.math.sign"], "7.0.1"),
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sinh: pureAndGlobal("math/sinh", ["es6.math.sinh"], "7.0.1"),
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tanh: pureAndGlobal("math/tanh", ["es6.math.tanh"], "7.0.1"),
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trunc: pureAndGlobal("math/trunc", ["es6.math.trunc"], "7.0.1")
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},
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Number: {
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EPSILON: pureAndGlobal("number/epsilon", ["es6.number.epsilon"]),
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MIN_SAFE_INTEGER: pureAndGlobal("number/min-safe-integer", ["es6.number.min-safe-integer"]),
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MAX_SAFE_INTEGER: pureAndGlobal("number/max-safe-integer", ["es6.number.max-safe-integer"]),
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isFinite: pureAndGlobal("number/is-finite", ["es6.number.is-finite"]),
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isInteger: pureAndGlobal("number/is-integer", ["es6.number.is-integer"]),
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isSafeInteger: pureAndGlobal("number/is-safe-integer", ["es6.number.is-safe-integer"]),
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isNaN: pureAndGlobal("number/is-nan", ["es6.number.is-nan"]),
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parseFloat: pureAndGlobal("number/parse-float", ["es6.number.parse-float"]),
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parseInt: pureAndGlobal("number/parse-int", ["es6.number.parse-int"])
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},
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Object: {
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assign: pureAndGlobal("object/assign", ["es6.object.assign"]),
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create: pureAndGlobal("object/create", ["es6.object.create"]),
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defineProperties: pureAndGlobal("object/define-properties", ["es6.object.define-properties"]),
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defineProperty: pureAndGlobal("object/define-property", ["es6.object.define-property"]),
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entries: pureAndGlobal("object/entries", ["es7.object.entries"]),
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freeze: pureAndGlobal("object/freeze", ["es6.object.freeze"]),
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getOwnPropertyDescriptor: pureAndGlobal("object/get-own-property-descriptor", ["es6.object.get-own-property-descriptor"]),
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getOwnPropertyDescriptors: pureAndGlobal("object/get-own-property-descriptors", ["es7.object.get-own-property-descriptors"]),
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getOwnPropertyNames: pureAndGlobal("object/get-own-property-names", ["es6.object.get-own-property-names"]),
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getOwnPropertySymbols: pureAndGlobal("object/get-own-property-symbols", ["es6.symbol"]),
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getPrototypeOf: pureAndGlobal("object/get-prototype-of", ["es6.object.get-prototype-of"]),
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is: pureAndGlobal("object/is", ["es6.object.is"]),
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isExtensible: pureAndGlobal("object/is-extensible", ["es6.object.is-extensible"]),
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isFrozen: pureAndGlobal("object/is-frozen", ["es6.object.is-frozen"]),
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isSealed: pureAndGlobal("object/is-sealed", ["es6.object.is-sealed"]),
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keys: pureAndGlobal("object/keys", ["es6.object.keys"]),
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preventExtensions: pureAndGlobal("object/prevent-extensions", ["es6.object.prevent-extensions"]),
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seal: pureAndGlobal("object/seal", ["es6.object.seal"]),
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setPrototypeOf: pureAndGlobal("object/set-prototype-of", ["es6.object.set-prototype-of"]),
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values: pureAndGlobal("object/values", ["es7.object.values"])
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},
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Promise: {
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all: globalOnly(CommonIterators),
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race: globalOnly(CommonIterators)
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},
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Reflect: {
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apply: pureAndGlobal("reflect/apply", ["es6.reflect.apply"]),
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construct: pureAndGlobal("reflect/construct", ["es6.reflect.construct"]),
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defineProperty: pureAndGlobal("reflect/define-property", ["es6.reflect.define-property"]),
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deleteProperty: pureAndGlobal("reflect/delete-property", ["es6.reflect.delete-property"]),
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get: pureAndGlobal("reflect/get", ["es6.reflect.get"]),
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getOwnPropertyDescriptor: pureAndGlobal("reflect/get-own-property-descriptor", ["es6.reflect.get-own-property-descriptor"]),
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getPrototypeOf: pureAndGlobal("reflect/get-prototype-of", ["es6.reflect.get-prototype-of"]),
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has: pureAndGlobal("reflect/has", ["es6.reflect.has"]),
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isExtensible: pureAndGlobal("reflect/is-extensible", ["es6.reflect.is-extensible"]),
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ownKeys: pureAndGlobal("reflect/own-keys", ["es6.reflect.own-keys"]),
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preventExtensions: pureAndGlobal("reflect/prevent-extensions", ["es6.reflect.prevent-extensions"]),
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set: pureAndGlobal("reflect/set", ["es6.reflect.set"]),
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setPrototypeOf: pureAndGlobal("reflect/set-prototype-of", ["es6.reflect.set-prototype-of"])
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},
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String: {
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at: pureOnly("string/at", "es7.string.at"),
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fromCodePoint: pureAndGlobal("string/from-code-point", ["es6.string.from-code-point"]),
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raw: pureAndGlobal("string/raw", ["es6.string.raw"])
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},
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Symbol: {
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// FIXME: Pure disabled to work around zloirock/core-js#262.
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asyncIterator: globalOnly(["es6.symbol", "es7.symbol.async-iterator"]),
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for: pureOnly("symbol/for", "es6.symbol"),
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hasInstance: pureOnly("symbol/has-instance", "es6.symbol"),
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isConcatSpreadable: pureOnly("symbol/is-concat-spreadable", "es6.symbol"),
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iterator: define("es6.symbol", "symbol/iterator", CommonIterators),
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keyFor: pureOnly("symbol/key-for", "es6.symbol"),
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match: pureAndGlobal("symbol/match", ["es6.regexp.match"]),
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replace: pureOnly("symbol/replace", "es6.symbol"),
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search: pureOnly("symbol/search", "es6.symbol"),
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species: pureOnly("symbol/species", "es6.symbol"),
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split: pureOnly("symbol/split", "es6.symbol"),
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toPrimitive: pureOnly("symbol/to-primitive", "es6.symbol"),
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toStringTag: pureOnly("symbol/to-string-tag", "es6.symbol"),
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unscopables: pureOnly("symbol/unscopables", "es6.symbol")
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}
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};
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const webPolyfills = {
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"web.timers": {},
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"web.immediate": {},
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"web.dom.iterable": {}
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};
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const purePolyfills = {
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"es6.parse-float": {},
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"es6.parse-int": {},
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"es7.string.at": {}
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};
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function addPlatformSpecificPolyfills (targets, method, polyfills) {
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const targetNames = Object.keys(targets);
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const isAnyTarget = !targetNames.length;
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const isWebTarget = targetNames.some(name => name !== "node");
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return {
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...polyfills,
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...(method === "usage-pure" ? purePolyfills : null),
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...(isAnyTarget || isWebTarget ? webPolyfills : null)
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};
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}
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function hasMinVersion(minVersion, runtimeVersion) {
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// If the range is unavailable, we're running the script during Babel's
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// build process, and we want to assume that all versions are satisfied so
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// that the built output will include all definitions.
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if (!runtimeVersion || !minVersion) return true;
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runtimeVersion = String(runtimeVersion);
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// semver.intersects() has some surprising behavior with comparing ranges
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// with preprelease versions. We add '^' to ensure that we are always
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// comparing ranges with ranges, which sidesteps this logic.
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// For example:
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//
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// semver.intersects(`<7.0.1`, "7.0.0-beta.0") // false - surprising
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// semver.intersects(`<7.0.1`, "^7.0.0-beta.0") // true - expected
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//
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// This is because the first falls back to
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//
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// semver.satisfies("7.0.0-beta.0", `<7.0.1`) // false - surprising
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//
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// and this fails because a prerelease version can only satisfy a range
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// if it is a prerelease within the same major/minor/patch range.
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//
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// Note: If this is found to have issues, please also revist the logic in
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// babel-core's availableHelper() API.
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if (semver.valid(runtimeVersion)) runtimeVersion = `^${runtimeVersion}`;
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return !semver.intersects(`<${minVersion}`, runtimeVersion) && !semver.intersects(`>=8.0.0`, runtimeVersion);
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}
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const {
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types: t
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} = _babel.default || _babel;
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const BABEL_RUNTIME = "@babel/runtime-corejs2";
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const presetEnvCompat = "#__secret_key__@babel/preset-env__compatibility";
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const runtimeCompat = "#__secret_key__@babel/runtime__compatibility";
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const has = Function.call.bind(Object.hasOwnProperty);
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var index = defineProvider(function (api, {
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[presetEnvCompat]: {
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entryInjectRegenerator = false,
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noRuntimeName = false
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} = {},
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[runtimeCompat]: {
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useBabelRuntime = false,
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runtimeVersion = "",
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ext = ".js"
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} = {}
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}) {
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const resolve = api.createMetaResolver({
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global: BuiltIns,
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static: StaticProperties,
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instance: InstanceProperties
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});
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const {
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debug,
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shouldInjectPolyfill,
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method
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} = api;
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const polyfills = addPlatformSpecificPolyfills(api.targets, method, corejs2Polyfills);
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const coreJSBase = useBabelRuntime ? `${BABEL_RUNTIME}/core-js` : method === "usage-pure" ? "core-js/library/fn" : "core-js/modules";
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function inject(name, utils) {
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if (typeof name === "string") {
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// Some polyfills aren't always available, for example
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// web.dom.iterable when targeting node
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if (has(polyfills, name) && shouldInjectPolyfill(name)) {
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debug(name);
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utils.injectGlobalImport(`${coreJSBase}/${name}.js`);
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}
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return;
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}
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name.forEach(name => inject(name, utils));
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}
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function maybeInjectPure(desc, hint, utils) {
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let {
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pure,
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meta,
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name
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} = desc;
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if (!pure || !shouldInjectPolyfill(name)) return;
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if (runtimeVersion && meta && meta.minRuntimeVersion && !hasMinVersion(meta && meta.minRuntimeVersion, runtimeVersion)) {
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return;
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}
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// Unfortunately core-js and @babel/runtime-corejs2 don't have the same
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// directory structure, so we need to special case this.
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if (useBabelRuntime && pure === "symbol/index") pure = "symbol";
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return utils.injectDefaultImport(`${coreJSBase}/${pure}${ext}`, hint);
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}
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return {
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name: "corejs2",
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runtimeName: noRuntimeName ? null : BABEL_RUNTIME,
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polyfills,
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entryGlobal(meta, utils, path) {
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if (meta.kind === "import" && meta.source === "core-js") {
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debug(null);
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inject(Object.keys(polyfills), utils);
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if (entryInjectRegenerator) {
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utils.injectGlobalImport("regenerator-runtime/runtime.js");
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}
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path.remove();
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}
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},
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usageGlobal(meta, utils) {
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const resolved = resolve(meta);
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if (!resolved) return;
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let deps = resolved.desc.global;
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if (resolved.kind !== "global" && "object" in meta && meta.object && meta.placement === "prototype") {
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const low = meta.object.toLowerCase();
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deps = deps.filter(m => m.includes(low));
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}
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inject(deps, utils);
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},
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usagePure(meta, utils, path) {
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if (meta.kind === "in") {
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if (meta.key === "Symbol.iterator") {
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path.replaceWith(t.callExpression(utils.injectDefaultImport(`${coreJSBase}/is-iterable${ext}`, "isIterable"), [path.node.right] // meta.kind === "in" narrows this
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));
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}
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return;
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}
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if (path.parentPath.isUnaryExpression({
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operator: "delete"
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})) return;
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if (meta.kind === "property") {
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// We can't compile destructuring.
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if (!path.isMemberExpression()) return;
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if (!path.isReferenced()) return;
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if (meta.key === "Symbol.iterator" && shouldInjectPolyfill("es6.symbol") && path.parentPath.isCallExpression({
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callee: path.node
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}) && path.parentPath.node.arguments.length === 0) {
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path.parentPath.replaceWith(t.callExpression(utils.injectDefaultImport(`${coreJSBase}/get-iterator${ext}`, "getIterator"), [path.node.object]));
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path.skip();
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return;
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}
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}
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const resolved = resolve(meta);
|
|
if (!resolved) return;
|
|
const id = maybeInjectPure(resolved.desc, resolved.name, utils);
|
|
if (id) path.replaceWith(id);
|
|
},
|
|
visitor: method === "usage-global" && {
|
|
// yield*
|
|
YieldExpression(path) {
|
|
if (path.node.delegate) {
|
|
inject("web.dom.iterable", api.getUtils(path));
|
|
}
|
|
},
|
|
// for-of, [a, b] = c
|
|
"ForOfStatement|ArrayPattern"(path) {
|
|
CommonIterators.forEach(name => inject(name, api.getUtils(path)));
|
|
}
|
|
}
|
|
};
|
|
});
|
|
|
|
export { index as default };
|
|
//# sourceMappingURL=index.mjs.map
|