vue hello world项目
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"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
const t = __importStar(require("@babel/types"));
const utils_1 = require("./utils");
/**
* Get JSX element type
*
* @param path Path<JSXOpeningElement>
*/
const getType = (path) => {
const typePath = path
.get('attributes')
.find((attribute) => {
if (!t.isJSXAttribute(attribute)) {
return false;
}
return t.isJSXIdentifier(attribute.get('name'))
&& attribute.get('name').node.name === 'type';
});
return typePath ? typePath.get('value').node : null;
};
const parseModifiers = (value) => (t.isArrayExpression(value)
? value.elements
.map((el) => (t.isStringLiteral(el) ? el.value : ''))
.filter(Boolean)
: []);
const parseDirectives = (params) => {
var _a, _b;
const { path, value, state, tag, isComponent, } = params;
const args = [];
const vals = [];
const modifiersSet = [];
let directiveName;
let directiveArgument;
let directiveModifiers;
if ('namespace' in path.node.name) {
[directiveName, directiveArgument] = params.name.split(':');
directiveName = path.node.name.namespace.name;
directiveArgument = path.node.name.name.name;
directiveModifiers = directiveArgument.split('_').slice(1);
}
else {
const underscoreModifiers = params.name.split('_');
directiveName = underscoreModifiers.shift() || '';
directiveModifiers = underscoreModifiers;
}
directiveName = directiveName
.replace(/^v/, '')
.replace(/^-/, '')
.replace(/^\S/, (s) => s.toLowerCase());
if (directiveArgument) {
args.push(t.stringLiteral(directiveArgument));
}
const isVModels = directiveName === 'models';
const isVModel = directiveName === 'model';
if (isVModel && !t.isJSXExpressionContainer(path.get('value'))) {
throw new Error('You have to use JSX Expression inside your v-model');
}
if (isVModels && !isComponent) {
throw new Error('v-models can only use in custom components');
}
const shouldResolve = !['html', 'text', 'model', 'models'].includes(directiveName)
|| (isVModel && !isComponent);
let modifiers = directiveModifiers;
if (t.isArrayExpression(value)) {
const elementsList = isVModels ? value.elements : [value];
elementsList.forEach((element) => {
if (isVModels && !t.isArrayExpression(element)) {
throw new Error('You should pass a Two-dimensional Arrays to v-models');
}
const { elements } = element;
const [first, second, third] = elements;
if (second && !t.isArrayExpression(second) && !t.isSpreadElement(second)) {
args.push(second);
modifiers = parseModifiers(third);
}
else if (t.isArrayExpression(second)) {
if (!shouldResolve) {
args.push(t.nullLiteral());
}
modifiers = parseModifiers(second);
}
else if (!shouldResolve) {
// work as v-model={[value]} or v-models={[[value]]}
args.push(t.nullLiteral());
}
modifiersSet.push(new Set(modifiers));
vals.push(first);
});
}
else if (isVModel && !shouldResolve) {
// work as v-model={value}
args.push(t.nullLiteral());
modifiersSet.push(new Set(directiveModifiers));
}
else {
modifiersSet.push(new Set(directiveModifiers));
}
return {
directiveName,
modifiers: modifiersSet,
values: vals.length ? vals : [value],
args,
directive: shouldResolve ? [
resolveDirective(path, state, tag, directiveName),
vals[0] || value,
((_a = modifiersSet[0]) === null || _a === void 0 ? void 0 : _a.size)
? args[0] || t.unaryExpression('void', t.numericLiteral(0), true)
: args[0],
!!((_b = modifiersSet[0]) === null || _b === void 0 ? void 0 : _b.size) && t.objectExpression([...modifiersSet[0]].map((modifier) => t.objectProperty(t.identifier(modifier), t.booleanLiteral(true)))),
].filter(Boolean) : undefined,
};
};
const resolveDirective = (path, state, tag, directiveName) => {
var _a;
if (directiveName === 'show') {
return (0, utils_1.createIdentifier)(state, 'vShow');
}
if (directiveName === 'model') {
let modelToUse;
const type = getType(path.parentPath);
switch (tag.value) {
case 'select':
modelToUse = (0, utils_1.createIdentifier)(state, 'vModelSelect');
break;
case 'textarea':
modelToUse = (0, utils_1.createIdentifier)(state, 'vModelText');
break;
default:
if (t.isStringLiteral(type) || !type) {
switch ((_a = type) === null || _a === void 0 ? void 0 : _a.value) {
case 'checkbox':
modelToUse = (0, utils_1.createIdentifier)(state, 'vModelCheckbox');
break;
case 'radio':
modelToUse = (0, utils_1.createIdentifier)(state, 'vModelRadio');
break;
default:
modelToUse = (0, utils_1.createIdentifier)(state, 'vModelText');
}
}
else {
modelToUse = (0, utils_1.createIdentifier)(state, 'vModelDynamic');
}
}
return modelToUse;
}
return t.callExpression((0, utils_1.createIdentifier)(state, 'resolveDirective'), [
t.stringLiteral(directiveName),
]);
};
exports.default = parseDirectives;
//# sourceMappingURL=parseDirectives.js.map