| 1 | 'use strict';
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| 2 |
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| 3 | var core = require('@babel/core');
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| 4 |
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| 5 | const positionMethod = {
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| 6 | start: "unshiftContainer",
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| 7 | end: "pushContainer"
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| 8 | };
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| 9 | const addJSXAttribute = (_, opts) => {
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| 10 | function getAttributeValue({
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| 11 | literal,
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| 12 | value
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| 13 | }) {
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| 14 | if (typeof value === "boolean") {
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| 15 | return core.types.jsxExpressionContainer(core.types.booleanLiteral(value));
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| 16 | }
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| 17 | if (typeof value === "number") {
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| 18 | return core.types.jsxExpressionContainer(core.types.numericLiteral(value));
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| 19 | }
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| 20 | if (typeof value === "string" && literal) {
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| 21 | return core.types.jsxExpressionContainer(core.template.ast(value).expression);
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| 22 | }
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| 23 | if (typeof value === "string") {
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| 24 | return core.types.stringLiteral(value);
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| 25 | }
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| 26 | return null;
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| 27 | }
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| 28 | function getAttribute({ spread, name, value, literal }) {
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| 29 | if (spread) {
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| 30 | return core.types.jsxSpreadAttribute(core.types.identifier(name));
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| 31 | }
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| 32 | return core.types.jsxAttribute(core.types.jsxIdentifier(name), getAttributeValue({ value, literal }));
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| 33 | }
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| 34 | return {
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| 35 | visitor: {
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| 36 | JSXOpeningElement(path) {
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| 37 | if (!core.types.isJSXIdentifier(path.node.name))
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| 38 | return;
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| 39 | if (!opts.elements.includes(path.node.name.name))
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| 40 | return;
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| 41 | opts.attributes.forEach(({
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| 42 | name,
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| 43 | value = null,
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| 44 | spread = false,
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| 45 | literal = false,
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| 46 | position = "end"
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| 47 | }) => {
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| 48 | const method = positionMethod[position];
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| 49 | const newAttribute = getAttribute({ spread, name, value, literal });
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| 50 | const attributes = path.get("attributes");
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| 51 | const isEqualAttribute = (attribute) => {
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| 52 | if (spread)
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| 53 | return attribute.isJSXSpreadAttribute() && attribute.get("argument").isIdentifier({ name });
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| 54 | return attribute.isJSXAttribute() && attribute.get("name").isJSXIdentifier({ name });
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| 55 | };
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| 56 | const replaced = attributes.some((attribute) => {
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| 57 | if (!isEqualAttribute(attribute))
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| 58 | return false;
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| 59 | attribute.replaceWith(newAttribute);
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| 60 | return true;
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| 61 | });
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| 62 | if (!replaced) {
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| 63 | path[method]("attributes", newAttribute);
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| 64 | }
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| 65 | });
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| 66 | }
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| 67 | }
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| 68 | };
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| 69 | };
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| 70 |
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| 71 | module.exports = addJSXAttribute;
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| 72 |
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