sequelize-typescript-migration-lts
Version:
migration tool for sequelize & typescript users
54 lines • 1.89 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
const sortByLengthExists = (left, right) => {
if (left.length === 0 && right.length > 0)
return -1;
// left < right
if (right.length === 0 && left.length > 0)
return 1;
// right < left
return 0;
};
function sortActions(actions) {
const orderedActionTypes = [
"removeIndex",
"removeColumn",
"dropTable",
"createTable",
"addColumn",
"changeColumn",
"addIndex",
];
actions.sort((left, right) => {
if (orderedActionTypes.indexOf(left.actionType) <
orderedActionTypes.indexOf(right.actionType))
return -1;
if (orderedActionTypes.indexOf(left.actionType) >
orderedActionTypes.indexOf(right.actionType))
return 1;
if (left.actionType === "dropTable" && right.actionType === "dropTable")
return sortByLengthExists(right.depends, left.depends);
return sortByLengthExists(left.depends, right.depends);
});
for (let i = 0; i < actions.length; i++) {
const leftAction = actions[i];
if (leftAction.depends.length === 0)
continue;
for (let j = 0; j < actions.length; j++) {
const rightAction = actions[j];
if (rightAction.depends.length === 0)
continue;
if (leftAction.actionType !== rightAction.actionType)
continue;
if (rightAction.depends.includes(leftAction.tableName))
if (i > j) {
const c = actions[i];
actions[i] = actions[j];
actions[j] = c;
}
}
}
return actions;
}
exports.default = sortActions;
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