mirror of https://github.com/jkjoy/sunpeiwen.git
49 lines
1.6 KiB
JavaScript
49 lines
1.6 KiB
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.buildDynamicImport = buildDynamicImport;
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exports.getDynamicImportSource = getDynamicImportSource;
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var t = require("@babel/types");
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var _template = require("@babel/template");
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function getDynamicImportSource(node) {
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const [source] = node.arguments;
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return t.isStringLiteral(source) || t.isTemplateLiteral(source) ? source : _template.default.expression.ast`\`\${${source}}\``;
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}
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function buildDynamicImport(node, deferToThen, wrapWithPromise, builder) {
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const [specifier] = node.arguments;
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if (t.isStringLiteral(specifier) || t.isTemplateLiteral(specifier) && specifier.quasis.length === 0) {
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if (deferToThen) {
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return _template.default.expression.ast`
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Promise.resolve().then(() => ${builder(specifier)})
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`;
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} else return builder(specifier);
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}
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const specifierToString = t.isTemplateLiteral(specifier) ? t.identifier("specifier") : t.templateLiteral([t.templateElement({
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raw: ""
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}), t.templateElement({
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raw: ""
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})], [t.identifier("specifier")]);
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if (deferToThen) {
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return _template.default.expression.ast`
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(specifier =>
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new Promise(r => r(${specifierToString}))
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.then(s => ${builder(t.identifier("s"))})
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)(${specifier})
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`;
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} else if (wrapWithPromise) {
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return _template.default.expression.ast`
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(specifier =>
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new Promise(r => r(${builder(specifierToString)}))
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)(${specifier})
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`;
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} else {
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return _template.default.expression.ast`
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(specifier => ${builder(specifierToString)})(${specifier})
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`;
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}
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}
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//# sourceMappingURL=dynamic-import.js.map
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