更新

TongjiUniApp/node_modules/@dcloudio/uni-cli-shared/dist/postcss/plugins/uniapp.js

@@ -0,0 +1,126 @@
+"use strict";
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.filterPrefersColorScheme = void 0;
+const shared_1 = require("@vue/shared");
+const postcss_selector_parser_1 = __importDefault(require("postcss-selector-parser"));
+const uni_shared_1 = require("@dcloudio/uni-shared");
+const defaultUniAppCssProcessorOptions = (0, shared_1.extend)({}, uni_shared_1.defaultRpx2Unit);
+const BG_PROPS = [
+    'background',
+    'background-clip',
+    'background-color',
+    'background-image',
+    'background-origin',
+    'background-position',
+    'background-repeat',
+    'background-size',
+    'background-attachment',
+];
+function transform(selector, state, { rewriteTag }) {
+    if (selector.type !== 'tag') {
+        return;
+    }
+    const { value } = selector;
+    selector.value = rewriteTag(value);
+    if (value === 'page' && selector.value === 'uni-page-body') {
+        state.bg = true;
+    }
+}
+function createBodyBackgroundRule(origRule) {
+    const bgDecls = [];
+    origRule.walkDecls((decl) => {
+        if (BG_PROPS.indexOf(decl.prop) !== -1) {
+            bgDecls.push(decl.clone());
+        }
+    });
+    if (bgDecls.length) {
+        const { rule } = require('postcss');
+        origRule.after(rule({ selector: 'body' }).append(bgDecls));
+    }
+}
+function walkRules(options) {
+    return (rule) => {
+        const state = { bg: false };
+        rule.selector = (0, postcss_selector_parser_1.default)((selectors) => selectors.walk((selector) => transform(selector, state, options))).processSync(rule.selector);
+        state.bg && createBodyBackgroundRule(rule);
+    };
+}
+function walkDecls(rpx2unit) {
+    return (decl) => {
+        const { value } = decl;
+        if (value.indexOf('rpx') === -1 && value.indexOf('upx') === -1) {
+            return;
+        }
+        decl.value = rpx2unit(decl.value);
+    };
+}
+function filterPrefersColorScheme(root, force = false) {
+    if (process.env.VUE_APP_DARK_MODE !== 'true') {
+        const filePath = root.source?.input.file;
+        if (force || (filePath && filePath.includes('@dcloudio'))) {
+            root.walkAtRules((rule) => {
+                if (/prefers-color-scheme\s*:\s*dark/.test(rule.params)) {
+                    rule.remove();
+                }
+            });
+        }
+    }
+}
+exports.filterPrefersColorScheme = filterPrefersColorScheme;
+const baiduTags = {
+    navigator: 'nav',
+};
+function rewriteBaiduTags(tag) {
+    return baiduTags[tag] || tag;
+}
+function rewriteUniH5Tags(tag) {
+    if (tag === 'page') {
+        return 'uni-page-body';
+    }
+    if ((0, uni_shared_1.isBuiltInComponent)(tag)) {
+        return uni_shared_1.COMPONENT_SELECTOR_PREFIX + tag;
+    }
+    return tag;
+}
+function rewriteUniAppTags(tag) {
+    if (tag === 'page') {
+        return 'body';
+    }
+    if ((0, uni_shared_1.isBuiltInComponent)(tag)) {
+        return uni_shared_1.COMPONENT_SELECTOR_PREFIX + tag;
+    }
+    return tag;
+}
+const transforms = {
+    h5: rewriteUniH5Tags,
+    app: rewriteUniAppTags,
+    'app-harmony': rewriteUniAppTags,
+    'mp-baidu': rewriteBaiduTags,
+};
+const uniapp = (opts) => {
+    const platform = process.env.UNI_PLATFORM;
+    const { unit, unitRatio, unitPrecision } = (0, shared_1.extend)({}, defaultUniAppCssProcessorOptions, opts);
+    const rpx2unit = (0, uni_shared_1.createRpx2Unit)(unit, unitRatio, unitPrecision);
+    return {
+        postcssPlugin: 'uni-app',
+        prepare() {
+            return {
+                OnceExit(root) {
+                    root.walkDecls(walkDecls(rpx2unit));
+                    const rewriteTag = transforms[platform];
+                    filterPrefersColorScheme(root);
+                    if (rewriteTag) {
+                        root.walkRules(walkRules({
+                            rewriteTag,
+                        }));
+                    }
+                },
+            };
+        },
+    };
+};
+uniapp.postcss = true;
+exports.default = uniapp;