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Add concept of Flag values under window object to ensure values are

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parsed before use
This commit is contained in:
Ken Hibino
2022-02-28 06:38:37 -08:00
parent 2991ea5a60
commit 1a27aaacbe
8 changed files with 118 additions and 63 deletions
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42
ui/src/parseFlags.ts Normal file
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@@ -0,0 +1,42 @@
// Prefix used for go template
const goTmplActionPrefix = "/[[";
// paseses flags (string values) assigned under the window objects by server.
export default function parseFlagsUnderWindow() {
// ROOT_PATH
if (window.FLAG_ROOT_PATH === undefined) {
console.log("ROOT_PATH is not defined. Falling back to emtpy string");
window.ROOT_PATH = "";
} else {
window.ROOT_PATH = window.FLAG_ROOT_PATH;
}
// PROMETHEUS_SERVER_ADDRESS
if (window.FLAG_PROMETHEUS_SERVER_ADDRESS === undefined) {
console.log(
"PROMETHEUS_SERVER_ADDRESS is not defined. Falling back to emtpy string"
);
window.PROMETHEUS_SERVER_ADDRESS = "";
} else if (
window.FLAG_PROMETHEUS_SERVER_ADDRESS.startsWith(goTmplActionPrefix)
) {
console.log(
"PROMETHEUS_SERVER_ADDRESS was not evaluated by the server. Falling back to empty string"
);
window.PROMETHEUS_SERVER_ADDRESS = "";
} else {
}
// READ_ONLY
if (window.FLAG_READ_ONLY === undefined) {
console.log("READ_ONLY is not defined. Falling back to false");
window.READ_ONLY = false;
} else if (window.FLAG_READ_ONLY.startsWith(goTmplActionPrefix)) {
console.log(
"READ_ONLY was not evaluated by the server. Falling back to false"
);
window.READ_ONLY = false;
} else {
window.READ_ONLY = window.FLAG_READ_ONLY === "true";
}
}