cerxes/babel
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This commit is contained in:
Brian Ng
2017-06-27 12:15:00 -05:00
parent 93cc22dae1
commit e4b35f680d
307 changed files with 6742 additions and 4080 deletions
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82
packages/babel-plugin-transform-class-properties/src/index.js
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@@ -2,7 +2,7 @@ import nameFunction from "babel-helper-function-name";
import template from "babel-template";
import syntaxClassProperties from "babel-plugin-syntax-class-properties";
export default function ({ types: t }) {
export default function({ types: t }) {
const findBareSupers = {
Super(path) {
if (path.parentPath.isCallExpression({ callee: path.node })) {
@@ -29,23 +29,30 @@ export default function ({ types: t }) {
});
`);
const buildClassPropertySpec = (ref, { key, value, computed }) => buildObjectDefineProperty({
REF: ref,
KEY: (t.isIdentifier(key) && !computed) ? t.stringLiteral(key.name) : key,
VALUE: value ? value : t.identifier("undefined"),
});
const buildClassPropertySpec = (ref, { key, value, computed }) =>
buildObjectDefineProperty({
REF: ref,
KEY: t.isIdentifier(key) && !computed ? t.stringLiteral(key.name) : key,
VALUE: value ? value : t.identifier("undefined"),
});
const buildClassPropertyNonSpec = (ref, { key, value, computed }) => t.expressionStatement(
t.assignmentExpression("=", t.memberExpression(ref, key, computed || t.isLiteral(key)), value)
);
const buildClassPropertyNonSpec = (ref, { key, value, computed }) =>
t.expressionStatement(
t.assignmentExpression(
"=",
t.memberExpression(ref, key, computed || t.isLiteral(key)),
value,
),
);
return {
inherits: syntaxClassProperties,
visitor: {
Class(path, state) {
const buildClassProperty = state.opts.spec ? buildClassPropertySpec :
buildClassPropertyNonSpec;
const buildClassProperty = state.opts.spec
? buildClassPropertySpec
: buildClassPropertyNonSpec;
const isDerived = !!path.node.superClass;
let constructor;
const props = [];
@@ -67,7 +74,8 @@ export default function ({ types: t }) {
if (path.isClassExpression() || !path.node.id) {
nameFunction(path);
ref = path.scope.generateUidIdentifier("class");
} else { // path.isClassDeclaration() && path.node.id
} else {
// path.isClassDeclaration() && path.node.id
ref = path.node.id;
}
@@ -93,17 +101,20 @@ export default function ({ types: t }) {
if (instanceBody.length) {
if (!constructor) {
const newConstructor = t.classMethod("constructor", t.identifier("constructor"), [],
t.blockStatement([]));
const newConstructor = t.classMethod(
"constructor",
t.identifier("constructor"),
[],
t.blockStatement([]),
);
if (isDerived) {
newConstructor.params = [t.restElement(t.identifier("args"))];
newConstructor.body.body.push(
t.returnStatement(
t.callExpression(
t.super(),
[t.spreadElement(t.identifier("args"))]
)
)
t.callExpression(t.super(), [
t.spreadElement(t.identifier("args")),
]),
),
);
}
[constructor] = body.unshiftContainer("body", newConstructor);
@@ -120,19 +131,29 @@ export default function ({ types: t }) {
}
if (collisionState.collision) {
const initialisePropsRef = path.scope.generateUidIdentifier("initialiseProps");
const initialisePropsRef = path.scope.generateUidIdentifier(
"initialiseProps",
);
nodes.push(t.variableDeclaration("var", [
t.variableDeclarator(
initialisePropsRef,
t.functionExpression(null, [], t.blockStatement(instanceBody))
),
]));
nodes.push(
t.variableDeclaration("var", [
t.variableDeclarator(
initialisePropsRef,
t.functionExpression(
null,
[],
t.blockStatement(instanceBody),
),
),
]),
);
instanceBody = [
t.expressionStatement(
t.callExpression(t.memberExpression(initialisePropsRef, t.identifier("call")), [
t.thisExpression()])
t.callExpression(
t.memberExpression(initialisePropsRef, t.identifier("call")),
[t.thisExpression()],
),
),
];
}
@@ -159,7 +180,8 @@ export default function ({ types: t }) {
if (path.isClassExpression()) {
path.scope.push({ id: ref });
path.replaceWith(t.assignmentExpression("=", ref, path.node));
} else { // path.isClassDeclaration()
} else {
// path.isClassDeclaration()
if (!path.node.id) {
path.node.id = ref;
}
@@ -177,7 +199,7 @@ export default function ({ types: t }) {
const body = classExp.get("body");
const members = body.get("body");
if (members.some((member) => member.isClassProperty())) {
if (members.some(member => member.isClassProperty())) {
path.ensureBlock();
}
},