更新前端静态网页获取方式，放弃使用后端获取api

frontend/node_modules/postcss-font-variant/CHANGELOG.md

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+# 5.0.0 - 2021-01-12
+
+- Changed: use PostCSS 7 API
+- Updated: Node support to 10.0.0 (major)
+
+# 4.0.1 - 2020-10-28
+
+- Fixed: Incorrect conversion of small-caps ([#15](https://github.com/postcss/postcss-font-variant/pull/15))
+
+# 4.0.0 - 2018-09-17
+
+- Changed: use PostCSS 7 API
+
+# 3.0.0 - 2017-05-11
+
+- Changed: use PostCSS 6 API
+
+# 2.0.1 - 2016-07-08
+
+- Fixed: existing font-feature-settings being duplicated.
+  ([#8](https://github.com/postcss/postcss-font-variant/pull/8) - @ChaosExAnima)
+
+# 2.0.0 - 2015-09-08
+
+- Added: compatibility with postcss v5.x
+- Removed: compatiblity with postcss v4.x
+
+# 1.2.0 - 2015-08-13
+
+- Added: compatibility with postcss v4.1.x
+  ([#5](https://github.com/postcss/postcss-font-variant/pull/5))
+
+# 1.1.0 - 2015-01-29
+
+  - Fixed: Properly handle font-variant-position:normal ([#3](https://github.com/postcss/postcss-font-variant/pull/3))
+  - Added: support font-kerning ([#2](https://github.com/postcss/postcss-font-variant/pull/2))
+
+# 1.0.2 - 2015-01-27
+
+- Fixed: Re–use existing font-feature-settings declarations to avoid creating multiples that override themselves ([#1](https://github.com/postcss/postcss-font-variant/pull/1))
+
+# 1.0.1 - 2014-11-11
+
+- Fixed: wrong space char that breaks on some environnements
+
+# 1.0.0 - 2014-10-09
+
+✨ First release based on [rework-font-variant](https://github.com/ianstormtaylor/rework-font-variant) v1.0.1

frontend/node_modules/postcss-font-variant/LICENSE

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+The MIT License (MIT)
+
+Copyright (c) 2014 Maxime Thirouin & Ian Storm Taylor
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

frontend/node_modules/postcss-font-variant/README.md

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+# PostCSS Font-Variant [<img src="https://postcss.github.io/postcss/logo.svg" alt="PostCSS Logo" width="90" height="90" align="right">](https://github.com/postcss/postcss/)
+
+[![CSS Status](https://cssdb.org/badge/font-variant-property.svg)](https://cssdb.org/#font-variant-property)
+[![Build Status](https://travis-ci.org/postcss/postcss-font-variant.svg)](https://travis-ci.org/postcss/postcss-font-variant)
+
+PostCSS Font-Variant lets you use `font-variant` in CSS, following the
+[CSS Fonts](https://www.w3.org/TR/css-fonts-3/#font-variant-prop) specification.
+
+## Installation
+
+```console
+$ npm install postcss-font-variant
+```
+
+## Usage
+
+```js
+// dependencies
+var postcss = require("postcss")
+var fontVariant = require("postcss-font-variant")
+
+// css to be processed
+var css = fs.readFileSync("input.css", "utf8")
+
+// process css using postcss-font-variant
+var out = postcss()
+  .use(fontVariant())
+  .process(css)
+  .css
+```
+
+Using this `input.css`:
+
+```css
+h2 {
+  font-variant-caps: small-caps;
+}
+
+table {
+  font-variant-numeric: lining-nums;
+}
+```
+
+you will get:
+
+```css
+h2 {
+  font-feature-settings: "smcp";
+  font-variant-caps: small-caps;
+}
+
+table {
+  font-feature-settings: "lnum";
+  font-variant-numeric: lining-nums;
+}
+
+```
+
+Checkout [tests](test) for more examples.
+
+---
+
+## Contributing
+
+Work on a branch, install dev-dependencies, respect coding style & run tests before submitting a bug fix or a feature.
+
+    $ git clone https://github.com/postcss/postcss-font-variant.git
+    $ git checkout -b patch-1
+    $ npm install
+    $ npm test
+
+## [Changelog](CHANGELOG.md)
+
+## [License](LICENSE)

frontend/node_modules/postcss-font-variant/index.js

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+/**
+ * font variant convertion map
+ *
+ * @type {Object}
+ */
+const fontVariantProperties = {
+  "font-variant-ligatures": {
+    "common-ligatures": "\"liga\", \"clig\"",
+    "no-common-ligatures": "\"liga\", \"clig off\"",
+    "discretionary-ligatures": "\"dlig\"",
+    "no-discretionary-ligatures": "\"dlig\" off",
+    "historical-ligatures": "\"hlig\"",
+    "no-historical-ligatures": "\"hlig\" off",
+    contextual: "\"calt\"",
+    "no-contextual": "\"calt\" off"
+  },
+
+  "font-variant-position": {
+    sub: "\"subs\"",
+    "super": "\"sups\"",
+    normal: "\"subs\" off, \"sups\" off"
+  },
+
+  "font-variant-caps": {
+    "small-caps": "\"smcp\"",
+    "all-small-caps": "\"smcp\", \"c2sc\"",
+    "petite-caps": "\"pcap\"",
+    "all-petite-caps": "\"pcap\", \"c2pc\"",
+    unicase: "\"unic\"",
+    "titling-caps": "\"titl\""
+  },
+
+  "font-variant-numeric": {
+    "lining-nums": "\"lnum\"",
+    "oldstyle-nums": "\"onum\"",
+    "proportional-nums": "\"pnum\"",
+    "tabular-nums": "\"tnum\"",
+    "diagonal-fractions": "\"frac\"",
+    "stacked-fractions": "\"afrc\"",
+    ordinal: "\"ordn\"",
+    "slashed-zero": "\"zero\""
+  },
+
+  "font-kerning": {
+    normal: "\"kern\"",
+    none: "\"kern\" off"
+  },
+
+  "font-variant": {
+    normal: "normal",
+    inherit: "inherit"
+  }
+}
+
+// The `font-variant` property is a shorthand for all the others.
+for (const prop in fontVariantProperties) {
+  const keys = fontVariantProperties[prop]
+  for (const key in keys) {
+    if (!(key in fontVariantProperties["font-variant"])) {
+      fontVariantProperties["font-variant"][key] = keys[key]
+    }
+  }
+}
+
+// Find font-feature-settings declaration before given declaration,
+// create if does not exist
+function getFontFeatureSettingsPrevTo(decl) {
+  let fontFeatureSettings = null;
+  decl.parent.walkDecls((decl) => {
+    if (decl.prop === "font-feature-settings") {
+      fontFeatureSettings = decl;
+    }
+  })
+
+  if (fontFeatureSettings === null) {
+    fontFeatureSettings = decl.clone()
+    fontFeatureSettings.prop = "font-feature-settings"
+    fontFeatureSettings.value = ""
+    decl.parent.insertBefore(decl, fontFeatureSettings)
+  }
+  return fontFeatureSettings
+}
+
+function walkRule(rule) {
+  let fontFeatureSettings = null
+  // read custom media queries
+  rule.walkDecls((decl) => {
+    if (!fontVariantProperties[decl.prop]) {
+      return null
+    }
+
+    let newValue = decl.value
+    if (decl.prop === "font-variant") {
+      newValue = decl.value.split(/\s+/g).map((val) => {
+        return fontVariantProperties["font-variant"][val]
+      }).join(", ")
+    }
+    else if (fontVariantProperties[decl.prop][decl.value]) {
+      newValue = fontVariantProperties[decl.prop][decl.value]
+    }
+
+    if (fontFeatureSettings === null) {
+      fontFeatureSettings = getFontFeatureSettingsPrevTo(decl);
+    }
+    if (fontFeatureSettings.value && fontFeatureSettings.value !== newValue) {
+      fontFeatureSettings.value += ", " + newValue;
+    }
+    else {
+      fontFeatureSettings.value = newValue;
+    }
+  })
+}
+
+/**
+ * Expose the font-variant plugin.
+ */
+module.exports = () => {
+  return {
+    postcssPlugin: "postcss-font-variant",
+    Once(root) {
+      root.walkRules(walkRule)
+    }
+  }
+}
+
+module.exports.postcss = true

frontend/node_modules/postcss-font-variant/package.json

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+{
+  "name": "postcss-font-variant",
+  "version": "5.0.0",
+  "description": "PostCSS plugin to transform W3C font-variant properties to more compatible CSS  (font-feature-settings)",
+  "keywords": [
+    "css",
+    "postcss",
+    "postcss-plugin",
+    "font",
+    "variant",
+    "font-variant"
+  ],
+  "author": "Maxime Thirouin",
+  "license": "MIT",
+  "repository": "https://github.com/postcss/postcss-font-variant.git",
+  "files": [
+    "index.js"
+  ],
+  "peerDependencies": {
+    "postcss": "^8.1.0"
+  },
+  "devDependencies": {
+    "jscs": "^3.0.7",
+    "jshint": "^2.9.6",
+    "npmpub": "^4.1.0",
+    "postcss": "^8.1.0",
+    "tape": "^5.0.0"
+  },
+  "scripts": {
+    "lint": "npm run jscs && npm run jshint",
+    "jscs": "jscs index.js test/index.js",
+    "jshint": "jshint . --exclude-path .gitignore",
+    "test": "npm run lint && tape test",
+    "release": "npmpub"
+  }
+}