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syndicate-js
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Syntax for snapshot assertions

This commit is contained in:
Tony Garnock-Jones 2018-11-05 11:20:34 +00:00
parent b935608e53
commit 7dd2effe96
4 changed files with 14 additions and 4 deletions
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4
packages/syntax/src/generators.js
View File

@ -52,6 +52,10 @@ export function FieldDeclarationStatement(node) {
export function AssertionEndpointStatement(node) {
this.word("assert");
this.space();
if (!node.isDynamic) {
this.word(":snapshot");
this.space();
}
this.print(node.template, node);
if (node.test) {
this.space();

1
packages/syntax/src/parser.js
View File

@ -94,6 +94,7 @@ export default class SyndicateParser extends _original_Parser {
if (this.isContextual("assert")) {
this.next();
const node = this.startNode();
node.isDynamic = this.parseMaybeSnapshot();
node.template = this.parseExpression();
if (this.eatContextual("when")) {
this.expect(tt.parenL);

6
packages/syntax/src/plugin.js
View File

@ -335,17 +335,19 @@ export default declare((api, options) => {
if (node.test) {
path.replaceWith(template(`DATASPACE._currentFacet.addEndpoint(function () {
return (TEST) ? [TEMPLATE, null] : [void 0, null];
});`)({
}, ISDYNAMIC);`)({
DATASPACE: state.DataspaceID,
TEST: node.test,
TEMPLATE: node.template,
ISDYNAMIC: t.booleanLiteral(node.isDynamic),
}));
} else {
path.replaceWith(template(`DATASPACE._currentFacet.addEndpoint(function () {
return [TEMPLATE, null];
});`)({
}, ISDYNAMIC);`)({
DATASPACE: state.DataspaceID,
TEMPLATE: node.template,
ISDYNAMIC: t.booleanLiteral(node.isDynamic),
}));
}
},

7
packages/syntax/src/types.js
View File

@ -61,10 +61,13 @@ defineType("FieldDeclarationStatement", {
});
defineType("AssertionEndpointStatement", {
builder: ["template", "test"],
visitor: ["template", "test"],
builder: ["isDynamic", "template", "test"],
visitor: ["isDynamic", "template", "test"],
aliases: ["Statement"],
fields: {
isDynamic: {
validate: assertOneOf(true, false),
},
template: {
validate: assertNodeType("Expression"),
},