Ratstail91/sineQL
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Stripped this project to it's bones

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This commit is contained in:
Kayne Ruse
2021-03-30 06:17:55 +11:00
parent 128a42aaa6
commit 9d17d350fa
16 changed files with 130 additions and 4493 deletions
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16
source/build-type-graph.js
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@@ -21,7 +21,8 @@ const buildTypeGraph = (schema, options) => {
//check for keywords
switch(tokens[pos - 1]) {
case 'type':
graph[tokens[pos++]] = parseCompoundType(tokens, pos, options);
//delegate
graph[tokens[pos++]] = parseCompoundType(tokens, pos, Object.keys(graph), options);
//advance to the end of the compound type
pos = eatBlock(tokens, pos);
@@ -29,7 +30,9 @@ const buildTypeGraph = (schema, options) => {
break;
case 'scalar':
//check against keyword list
if (keywords.includes(graph[tokens[pos - 1]])) {
//TODO: test this error
throw 'Unexpected keyword ' + graph[tokens[pos - 1]];
}
@@ -49,7 +52,7 @@ const buildTypeGraph = (schema, options) => {
};
//moved this routine to a separate function for clarity
const parseCompoundType = (tokens, pos, options) => {
const parseCompoundType = (tokens, pos, scalars, options) => {
//format check (not strictly necessary, but it looks nice)
if (tokens[pos] !== '{') {
throw 'Expected \'{\' in compound type definition';
@@ -69,12 +72,17 @@ const parseCompoundType = (tokens, pos, options) => {
//can't use keywords
if (keywords.includes(type) || keywords.includes(name)) {
throw 'Unexpected keyword found as type field or type name (' + type + ' ' + name + ')';
throw `Unexpected keyword found as type field or type name (${type} ${name})`;
}
//can only use existing types (prevents looping tree structure)
if (!scalars.includes(type)) { //TODO: test this error
throw `Unexpected value found as type field ('${type}' is undefined)`;
}
//check for duplicate fields
if (Object.keys(compound).includes(name)) {
throw 'Unexpected duplicate field name';
throw `Unexpected duplicate field name (${name})`;
}
//finally, push to the compound definition