138 lines
6.1 KiB
JavaScript
138 lines
6.1 KiB
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.removeAttribute = exports.isStaticLiteral = exports.isReferencedByIds = exports.findReferencedScope = exports.rewriteExpression = exports.rewriteExpressionWithoutProperty = exports.parseExprWithRewriteClass = exports.parseExprWithRewrite = exports.rewirteWithHelper = exports.rewriteSpreadElement = exports.VIRTUAL_HOST_CLASS = exports.VIRTUAL_HOST_STYLE = exports.SCOPED_SLOT_IDENTIFIER = exports.ATTR_COM_TYPE = exports.ATTR_VUE_REF_IN_FOR = exports.ATTR_VUE_REF = exports.ATTR_VUE_PROPS = exports.ATTR_VUE_SLOTS = exports.ATTR_VUE_ID = void 0;
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const types_1 = require("@babel/types");
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const uni_cli_shared_1 = require("@dcloudio/uni-cli-shared");
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const compiler_core_1 = require("@vue/compiler-core");
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const estree_walker_1 = require("estree-walker");
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const ast_1 = require("../ast");
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const codegen_1 = require("../codegen");
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const transform_1 = require("../transform");
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// v-i,v-s 不能在 quickapp-webview 中使用，估计是内部处理成了指令之类的
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exports.ATTR_VUE_ID = 'u-i';
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exports.ATTR_VUE_SLOTS = 'u-s';
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exports.ATTR_VUE_PROPS = 'u-p';
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exports.ATTR_VUE_REF = 'u-' + uni_cli_shared_1.VUE_REF;
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exports.ATTR_VUE_REF_IN_FOR = 'u-' + uni_cli_shared_1.VUE_REF_IN_FOR;
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exports.ATTR_COM_TYPE = 'u-t';
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exports.SCOPED_SLOT_IDENTIFIER = '__SCOPED_SLOT__';
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exports.VIRTUAL_HOST_STYLE = 'virtualHostStyle';
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exports.VIRTUAL_HOST_CLASS = 'virtualHostClass';
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function rewriteSpreadElement(name, expr, loc, context) {
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return rewirteWithHelper(name, expr.argument, loc, context);
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}
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exports.rewriteSpreadElement = rewriteSpreadElement;
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function rewirteWithHelper(name, expr, loc, context) {
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return parseExprWithRewrite(context.helperString(name) + '(' + (0, codegen_1.genBabelExpr)(expr) + ')', loc, context);
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}
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exports.rewirteWithHelper = rewirteWithHelper;
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function parseExprWithRewrite(code, loc, context, node) {
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return (0, ast_1.parseExpr)(rewriteExpression((0, compiler_core_1.createSimpleExpression)(code, false, loc), context, node), context);
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}
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exports.parseExprWithRewrite = parseExprWithRewrite;
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function parseExprWithRewriteClass(code, loc, context, node) {
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// a?1:0
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return (0, ast_1.parseExpr)(rewriteExpression((0, compiler_core_1.createSimpleExpression)(code, false, loc), context, !(0, ast_1.isUndefined)(node)
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? (0, types_1.conditionalExpression)(node, (0, types_1.numericLiteral)(1), (0, types_1.stringLiteral)(''))
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: node), context);
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}
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exports.parseExprWithRewriteClass = parseExprWithRewriteClass;
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function rewriteExpressionWithoutProperty(node, context, babelNode, scope = context.currentScope) {
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return rewriteExpression(node, context, babelNode, scope, {
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property: false,
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ignoreLiteral: false,
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});
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}
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exports.rewriteExpressionWithoutProperty = rewriteExpressionWithoutProperty;
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function rewriteExpression(node, context, babelNode, scope = context.currentScope, { property, ignoreLiteral, referencedScope, } = {
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property: true,
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ignoreLiteral: false,
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}) {
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if (node.type === 4 /* NodeTypes.SIMPLE_EXPRESSION */ && node.isStatic) {
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return node;
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}
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if (!babelNode) {
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const code = (0, codegen_1.genExpr)(node);
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babelNode = (0, ast_1.parseExpr)(code, context, node);
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if (!babelNode) {
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return (0, compiler_core_1.createSimpleExpression)(code);
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}
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}
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if (!ignoreLiteral && isStaticLiteral(babelNode)) {
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return node;
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}
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if ((0, ast_1.isUndefined)(babelNode)) {
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return (0, compiler_core_1.createSimpleExpression)('undefined', false, node.loc);
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}
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// wxs 等表达式
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if (context.filters?.length) {
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if (isReferencedByIds(babelNode, context.filters)) {
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return (0, compiler_core_1.createSimpleExpression)((0, codegen_1.genExpr)(node), false, node.loc);
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}
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}
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referencedScope = referencedScope || findReferencedScope(babelNode, scope);
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const id = referencedScope.id.next();
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if (property) {
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referencedScope.properties.push((0, types_1.objectProperty)((0, types_1.identifier)(id), babelNode));
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}
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// 在 v-for 中包含的 v-if 块，所有变量需要补充当前 v-for value 前缀
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if ((0, transform_1.isVIfScope)(referencedScope)) {
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if ((0, transform_1.isVForScope)(referencedScope.parentScope)) {
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return (0, compiler_core_1.createSimpleExpression)(referencedScope.parentScope.valueAlias + '.' + id);
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}
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return (0, compiler_core_1.createSimpleExpression)(id);
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}
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else if ((0, transform_1.isVForScope)(referencedScope)) {
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return (0, compiler_core_1.createSimpleExpression)(referencedScope.valueAlias + '.' + id);
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}
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return (0, compiler_core_1.createSimpleExpression)(id);
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}
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exports.rewriteExpression = rewriteExpression;
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function findReferencedScope(node, scope, findReferenced = true) {
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if ((0, transform_1.isVIfScope)(scope)) {
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return scope;
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}
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else if ((0, transform_1.isVForScope)(scope)) {
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if (!findReferenced) {
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return scope;
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}
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if (isReferencedByIds(node, scope.locals)) {
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return scope;
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}
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return findReferencedScope(node, scope.parent, findReferenced);
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}
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return scope;
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}
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exports.findReferencedScope = findReferencedScope;
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function isReferencedByIds(node, knownIds) {
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let referenced = false;
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(0, estree_walker_1.walk)(node, {
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enter(node, parent) {
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if (referenced) {
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return this.skip();
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}
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if (!(0, types_1.isIdentifier)(node)) {
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return;
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}
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if (knownIds.includes(node.name) &&
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(!parent || (0, types_1.isReferenced)(node, parent))) {
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referenced = true;
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return this.skip();
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}
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},
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});
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return referenced;
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}
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exports.isReferencedByIds = isReferencedByIds;
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function isStaticLiteral(value) {
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return (0, types_1.isLiteral)(value) && !(0, types_1.isTemplateLiteral)(value);
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}
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exports.isStaticLiteral = isStaticLiteral;
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function removeAttribute(node, name) {
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const index = node.props.findIndex((prop) => prop.name === name);
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if (index > -1) {
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node.props.splice(index, 1);
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}
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}
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exports.removeAttribute = removeAttribute;
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