139 lines
3.6 KiB
JavaScript
139 lines
3.6 KiB
JavaScript
import nameFunction from "babel-helper-function-name";
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import has from "lodash/has";
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import * as t from "babel-types";
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function toKind(node: Object) {
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if (t.isClassMethod(node) || t.isObjectMethod(node)) {
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if (node.kind === "get" || node.kind === "set") {
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return node.kind;
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}
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}
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return "value";
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}
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export function push(mutatorMap: Object, node: Object, kind: string, file, scope?): Object {
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const alias = t.toKeyAlias(node);
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//
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let map = {};
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if (has(mutatorMap, alias)) map = mutatorMap[alias];
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mutatorMap[alias] = map;
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//
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map._inherits = map._inherits || [];
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map._inherits.push(node);
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map._key = node.key;
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if (node.computed) {
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map._computed = true;
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}
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if (node.decorators) {
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const decorators = map.decorators = map.decorators || t.arrayExpression([]);
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decorators.elements = decorators.elements.concat(
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node.decorators.map((dec) => dec.expression).reverse());
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}
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if (map.value || map.initializer) {
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throw file.buildCodeFrameError(node, "Key conflict with sibling node");
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}
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let key, value;
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// save the key so we can possibly do function name inferences
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if (t.isObjectProperty(node) || t.isObjectMethod(node) || t.isClassMethod(node)) {
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key = t.toComputedKey(node, node.key);
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}
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if (t.isObjectProperty(node) || t.isClassProperty(node)) {
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value = node.value;
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} else if (t.isObjectMethod(node) || t.isClassMethod(node)) {
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value = t.functionExpression(null, node.params, node.body, node.generator, node.async);
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value.returnType = node.returnType;
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}
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const inheritedKind = toKind(node);
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if (!kind || inheritedKind !== "value") {
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kind = inheritedKind;
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}
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// infer function name
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if (scope && t.isStringLiteral(key) && (kind === "value" || kind === "initializer") &&
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t.isFunctionExpression(value)) {
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value = nameFunction({ id: key, node: value, scope });
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}
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if (value) {
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t.inheritsComments(value, node);
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map[kind] = value;
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}
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return map;
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}
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export function hasComputed(mutatorMap: Object): boolean {
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for (const key in mutatorMap) {
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if (mutatorMap[key]._computed) {
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return true;
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}
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}
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return false;
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}
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export function toComputedObjectFromClass(obj: Object): Object {
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const objExpr = t.arrayExpression([]);
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for (let i = 0; i < obj.properties.length; i++) {
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const prop = obj.properties[i];
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const val = prop.value;
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val.properties.unshift(t.objectProperty(t.identifier("key"), t.toComputedKey(prop)));
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objExpr.elements.push(val);
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}
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return objExpr;
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}
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export function toClassObject(mutatorMap: Object): Object {
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const objExpr = t.objectExpression([]);
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Object.keys(mutatorMap).forEach(function (mutatorMapKey) {
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const map = mutatorMap[mutatorMapKey];
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const mapNode = t.objectExpression([]);
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const propNode = t.objectProperty(map._key, mapNode, map._computed);
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Object.keys(map).forEach(function (key) {
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let node = map[key];
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if (key[0] === "_") return;
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const inheritNode = node;
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if (t.isClassMethod(node) || t.isClassProperty(node)) node = node.value;
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const prop = t.objectProperty(t.identifier(key), node);
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t.inheritsComments(prop, inheritNode);
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t.removeComments(inheritNode);
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mapNode.properties.push(prop);
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});
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objExpr.properties.push(propNode);
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});
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return objExpr;
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}
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export function toDefineObject(mutatorMap: Object): Object {
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Object.keys(mutatorMap).forEach(function (key) {
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const map = mutatorMap[key];
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if (map.value) map.writable = t.booleanLiteral(true);
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map.configurable = t.booleanLiteral(true);
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map.enumerable = t.booleanLiteral(true);
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});
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return toClassObject(mutatorMap);
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}
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