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allow dynamic parameters inside route parts - fixes #139

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This commit is contained in:
Rich Harris
2018-02-28 09:39:21 -05:00
parent 631afbbfe4
commit 58c1eb9fa8
4 changed files with 90 additions and 25 deletions
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12
src/core/create_app.ts
View File

@@ -30,11 +30,11 @@ function generate_client(routes: Route[], src: string, dev: boolean, dev_port?:
return `{ error: '${route.id.slice(1)}', load: () => import(/* webpackChunkName: "${route.id}" */ '${file}') }`;
}
const params = route.dynamic.length === 0
const params = route.params.length === 0
? '{}'
: `{ ${route.dynamic.map((part, i) => `${part}: match[${i + 1}]`).join(', ')} }`;
: `{ ${route.params.map((part, i) => `${part}: match[${i + 1}]`).join(', ')} }`;
return `{ pattern: ${route.pattern}, params: ${route.dynamic.length > 0 ? `match` : `()`} => (${params}), load: () => import(/* webpackChunkName: "${route.id}" */ '${file}') }`;
return `{ pattern: ${route.pattern}, params: ${route.params.length > 0 ? `match` : `()`} => (${params}), load: () => import(/* webpackChunkName: "${route.id}" */ '${file}') }`;
})
.join(',\n\t')}
];`.replace(/^\t\t/gm, '').trim();
@@ -77,11 +77,11 @@ function generate_server(routes: Route[], src: string) {
return `{ error: '${route.id.slice(1)}', module: ${route.id} }`;
}
const params = route.dynamic.length === 0
const params = route.params.length === 0
? '{}'
: `{ ${route.dynamic.map((part, i) => `${part}: match[${i + 1}]`).join(', ')} }`;
: `{ ${route.params.map((part, i) => `${part}: match[${i + 1}]`).join(', ')} }`;
return `{ id: '${route.id}', type: '${route.type}', pattern: ${route.pattern}, params: ${route.dynamic.length > 0 ? `match` : `()`} => (${params}), module: ${route.id} }`;
return `{ id: '${route.id}', type: '${route.type}', pattern: ${route.pattern}, params: ${route.params.length > 0 ? `match` : `()`} => (${params}), module: ${route.id} }`;
})
.join(',\n\t')
}

68
src/core/create_routes.ts
View File

@@ -10,17 +10,27 @@ export default function create_routes({ src, files = glob.sync('**/*.+(html|js|m
.map((file: string) => {
if (/(^|\/|\\)_/.test(file)) return;
const parts = file.replace(/\.(html|js|mjs)$/, '').split('/'); // glob output is always posix-style
if (/]\[/.test(file)) {
throw new Error(`Invalid route ${file} — parameters must be separated`);
}
const base = file.replace(/\.[^/.]+$/, '');
const parts = base.split('/'); // glob output is always posix-style
if (parts[parts.length - 1] === 'index') parts.pop();
const id = (
parts.join('_').replace(/[[\]]/g, '$').replace(/^\d/, '_$&').replace(/[^a-zA-Z0-9_$]/g, '_')
) || '_';
const dynamic = parts
.filter(part => part[0] === '[')
.map(part => part.slice(1, -1));
const params: string[] = [];
const param_pattern = /\[([^\]]+)\]/g;
let match;
while (match = param_pattern.exec(base)) {
params.push(match[1]);
}
// TODO can we do all this with sub-parts? or does
// nesting make that impossible?
let pattern_string = '';
let i = parts.length;
let nested = true;
@@ -29,7 +39,8 @@ export default function create_routes({ src, files = glob.sync('**/*.+(html|js|m
const dynamic = part[0] === '[';
if (dynamic) {
pattern_string = nested ? `(?:\\/([^/]+)${pattern_string})?` : `\\/([^/]+)${pattern_string}`;
const matcher = part.replace(param_pattern, `([^\/]+?)`);
pattern_string = nested ? `(?:\\/${matcher}${pattern_string})?` : `\\/${matcher}${pattern_string}`;
} else {
nested = false;
pattern_string = `\\/${part}${pattern_string}`;
@@ -44,12 +55,12 @@ export default function create_routes({ src, files = glob.sync('**/*.+(html|js|m
const match = pattern.exec(url);
if (!match) return;
const params: Record<string, string> = {};
dynamic.forEach((param, i) => {
params[param] = match[i + 1];
const result: Record<string, string> = {};
params.forEach((param, i) => {
result[param] = match[i + 1];
});
return params;
return result;
};
return {
@@ -60,7 +71,7 @@ export default function create_routes({ src, files = glob.sync('**/*.+(html|js|m
test,
exec,
parts,
dynamic
params
};
})
.filter(Boolean)
@@ -79,17 +90,40 @@ export default function create_routes({ src, files = glob.sync('**/*.+(html|js|m
if (!a_part) return -1;
if (!b_part) return 1;
const a_is_dynamic = a_part[0] === '[';
const b_is_dynamic = b_part[0] === '[';
const a_sub_parts = get_sub_parts(a_part);
const b_sub_parts = get_sub_parts(b_part);
if (a_is_dynamic === b_is_dynamic) {
if (!a_is_dynamic && a_part !== b_part) same = false;
continue;
for (let i = 0; true; i += 1) {
const a_sub_part = a_sub_parts[i];
const b_sub_part = b_sub_parts[i];
if (!a_sub_part && !b_sub_part) break;
if (!a_sub_part) return 1; // note this is reversed from above — match [foo].json before [foo]
if (!b_sub_part) return -1;
if (a_sub_part.dynamic !== b_sub_part.dynamic) {
return a_sub_part.dynamic ? 1 : -1;
}
if (!a_sub_part.dynamic && a_sub_part.content !== b_sub_part.content) {
return b_sub_part.content.length - a_sub_part.content.length;
}
}
return a_is_dynamic ? 1 : -1;
}
});
return routes;
}
function get_sub_parts(part: string) {
return part.split(/[\[\]]/)
.map((content, i) => {
if (!content) return null;
return {
content,
dynamic: i % 2 === 1
};
})
.filter(Boolean);
}