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feat: array destructure

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cha0s 2021-05-09 02:06:44 -05:00
parent 5059525ca3
commit 6dae625953
1 changed files with 38 additions and 5 deletions
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43
packages/sandbox/src/sandbox.js
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@ -26,7 +26,29 @@ export default class Sandbox {
} }
} }
destructure(id, init, scope) { destructureArray(id, init, scope) {
this.setNextScope(id, scope);
const {elements} = id;
for (let i = 0; i < elements.length; ++i) {
const element = elements[i];
if (null === element) {
// eslint-disable-next-line no-continue
continue;
}
this.setNextScope(element, scope);
if (types.isIdentifier(element)) {
scope.allocate(element.name, init[i]);
}
else {
// eslint-disable-next-line no-console
console.error("destructureArray(): Can't handle type", element.type);
return undefined;
}
}
return undefined;
}
destructureObject(id, init, scope) {
this.setNextScope(id, scope); this.setNextScope(id, scope);
const {properties} = id; const {properties} = id;
const promises = []; const promises = [];
@ -41,7 +63,7 @@ export default class Sandbox {
scope.allocate(name, init[k]); scope.allocate(name, init[k]);
return undefined; return undefined;
} }
return this.destructure(property.value, init[k], scope); return this.destructureObject(property.value, init[k], scope);
})); }));
// eslint-disable-next-line no-continue // eslint-disable-next-line no-continue
continue; continue;
@ -50,7 +72,7 @@ export default class Sandbox {
scope.allocate(property.value.name, init[k.value]); scope.allocate(property.value.name, init[k.value]);
} }
else { else {
const promiseOrVoid = this.destructure(property.value, init[k.value], scope); const promiseOrVoid = this.destructureObject(property.value, init[k.value], scope);
if (promiseOrVoid) { if (promiseOrVoid) {
promises.push(promiseOrVoid); promises.push(promiseOrVoid);
} }
@ -667,10 +689,21 @@ export default class Sandbox {
scope.allocate(id.name, init.value); scope.allocate(id.name, init.value);
} }
} }
else if (types.isArrayPattern(id)) {
const promiseOrVoid = init.async
? Promise.resolve(init.value).then((init) => this.destructureArray(id, init, scope))
: this.destructureArray(id, init.value, scope);
if (promiseOrVoid) {
yield {
async: true,
value: promiseOrVoid,
};
}
}
else if (types.isObjectPattern(id)) { else if (types.isObjectPattern(id)) {
const promiseOrVoid = init.async const promiseOrVoid = init.async
? Promise.resolve(init.value).then((init) => this.destructure(id, init, scope)) ? Promise.resolve(init.value).then((init) => this.destructureObject(id, init, scope))
: this.destructure(id, init.value, scope); : this.destructureObject(id, init.value, scope);
if (promiseOrVoid) { if (promiseOrVoid) {
yield { yield {
async: true, async: true,